Wi-Fi Evolution From Calling, Booster and Extender

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Wireless technology introduced WI-Fi also known as Wireless fidelity in year 1997. Wi-Fi Evolution had changed our life in so many aspects. WI-FI’s primary use was to provide internet connection arround it’s coverage. But now it’s has expanded to Wi-Fi Calling and Extender. Wi-Fi technology has revolutionized how we connect and communicate in the digital age.

WI-FI evolution from calling booster and extender

Introduction

Over the years, WIFI has evolved from a simple wireless data transmission medium to a multi-functional network that enables seamless communication and internet access. This article explores the fascinating journey of Wi-Fi, from its origins in voice calling to the advent of boosters and extenders, and how these advancements have reshaped our connectivity experience.

The Early Days of Wi-Fi: Voice Calling

In the late 1990s, WiFi technology primarily served as a wireless alternative to traditional landline telephones. Its primary focus was on enabling voice calling over short distances without the need for physical cables. Early Wi-Fi devices used the IEEE 802.11 standard, which supported data rates of up to 2 Mbps, allowing for basic voice communication.

As the internet gained popularity, the demand for faster data transmission grew. WiFi quickly adapted to this need and evolved to support higher data rates. The introduction of the IEEE 802.11b standard in the early 2000s enabled data rates of up to 11 Mbps, making it suitable for web browsing and basic file transfers.

The Birth of Wi-Fi Voice Calling

At its core, Wi-Fi was initially developed as a wireless alternative to traditional landline telephones. It operated on the IEEE 802.11 standard, which allowed devices to communicate wirelessly within a limited range. This technology paved the way for voice over Wi-Fi (VoWiFi) or Wi-Fi calling.

Benefits of Wi-Fi Voice Calling

Wi-Fi voice calling offered several advantages over traditional landline telephony:

  1. Mobility: Unlike landline phones tethered to a fixed location, Wi-Fi calling allowed users to move freely within the range of a Wi-Fi network. This mobility was a game-changer for businesses and individuals, as it provided greater flexibility and convenience.
  2. Cost Savings: Wi-Fi calling provided cost savings, especially for international calls. Users could leverage Wi-Fi networks to make calls, bypassing expensive international calling rates imposed by traditional phone carriers.
  3. Expanded Coverage: Wi-Fi calling extended coverage beyond cellular networks. This was particularly beneficial in areas with weak cellular signals or in buildings with limited cellular reception.
  4. Seamless Handover: Early Wi-i calling systems facilitated seamless handover between Wi-Fi and cellular networks. As users moved out of Wi-Fi range, the call transitioned smoothly to cellular networks without interruptions.

Challenges of Early Wi-Fi Calling

While Wi-Fi voice calling showed great promise, it also faced several challenges:

  1. Limited Range: The early Wi-Fi technology had a relatively limited range, restricting voice calls to areas within the immediate vicinity of the Wi-Fi access point.
  2. Quality and Reliability: Voice quality and reliability were not always consistent, especially in areas with weak Wi-Fi signals. Calls could suffer from drops or distortions if the Wi-Fi signal was unstable.
  3. Battery Drain: Early Wi-Fi calling on mobile devices could lead to higher battery consumption due to continuous scanning for available Wi-Fi networks.
  4. Network Interference: Interference from other electronic devices or neighboring Wi-Fi networks could impact call quality.

Evolution and Improvements

Despite these challenges, Wi-Fi voice calling laid the foundation for future innovations in wireless communication. As Wi-Fi technology improved, data rates increased, and voice codecs became more efficient, leading to better voice quality and increased reliability.

The Advent of Smartphones

The proliferation of smartphones played a significant role in the widespread adoption of Wi-Fi calling. As smartphones integrated Wi-Fi capabilities, users could seamlessly switch between cellular and Wi-Fi networks for voice calls, enhancing their communication experience.

The early days of Wi-Fi voice calling marked the beginning of a communication revolution. From its modest origins as a wireless alternative for voice calling, Wi-Fi has since evolved into a multi-functional network supporting various data services. As Wi-Fi technology continues to advance, it remains an integral part of our daily lives, connecting us in ways that were once unimaginable and shaping the future of global communication.

Disadvantages of Wi-Fi calling

While Wi-Fi calling offers numerous benefits, it also comes with some disadvantages. Here are some of the drawbacks of Wi-Fi calling:

  1. Dependence on Wi-Fi Network: Wi-Fi calling requires a stable and reliable Wi-Fi connection. If you are in an area with weak or no Wi-Fi coverage, your Wi-Fi calling service may not work or suffer from poor call quality. This limitation can be a significant concern, especially in rural or remote locations with limited Wi-Fi infrastructure.
  2. Call Quality and Latency: Wi-Fi calling quality may not always match that of traditional cellular calls. Factors like network congestion, interference, and distance from the Wi-Fi router can impact call quality and lead to audio distortions, dropped calls, or latency issues.
  3. Battery Drain: Wi-Fi calling can consume more battery power compared to standard cellular calls. Constantly using Wi-Fi for calling and data transfers can drain the device’s battery faster, necessitating more frequent charging.
  4. Compatibility and Device Limitations: Not all devices or carriers support Wi-Fi calling. Some older devices or devices from specific carriers may not be compatible with Wi-Fi calling services. Additionally, certain features or functionalities available in traditional cellular calls might not be supported in Wi-Fi calling.
  5. Call Handoff: Wi-Fi calling may not always provide seamless call handoff between Wi-Fi and cellular networks. If you move out of Wi-Fi range during a Wi-Fi call, it may not switch seamlessly to cellular coverage, resulting in call drop or interruption.
  6. Security Concerns: While Wi-Fi calling typically employs encryption to protect voice data, using public or unsecured Wi-Fi networks can pose security risks. Malicious actors could potentially intercept or eavesdrop on Wi-Fi calls on unsecured networks.
  7. Data Usage: Wi-Fi calling consumes data from your internet plan, which may be a concern for users with limited data allowances. Extensive use of Wi-Fi calling can contribute to data consumption, impacting other online activities.
  8. Emergency Calling Limitations: Wi-Fi calling may not always support emergency calling services, like E911, in the same way that traditional cellular calls do. Emergency services might not be able to accurately identify your location or respond as quickly through Wi-Fi calling.

Despite these disadvantages, Wi-Fi calling remains a valuable feature for many users, especially in areas with strong Wi-Fi coverage and as a backup option in situations with poor cellular signal strength. It is essential to weigh the advantages and disadvantages based on your specific needs and circumstances before relying heavily on Wi-Fi calling as your primary means of communication.

What is the evolution of WI-FI?

The evolution of Wi-Fi has been a remarkable journey, transforming from a simple wireless data transmission technology to a critical aspect of our connected world. Let’s explore the key milestones in the evolution of Wi-Fi:

1. Early Beginnings – IEEE 802.11a/b/g:

Wi-Fi technology was born in 1997 when the Institute of Electrical and Electronics Engineers (IEEE) introduced the first wireless standard known as 802.11. This early version, 802.11a, provided data transmission at 2 Mbps over the 5 GHz frequency band. Shortly after, 802.11b was introduced, operating at 2.4 GHz and offering a data rate of 11 Mbps. These initial standards laid the groundwork for the future growth of Wi-Fi.

2. Advancements with 802.11n and 802.11ac:

In the mid-2000s, Wi-Fi took a significant leap with the introduction of 802.11n, which supported both 2.4 GHz and 5 GHz bands and offered faster data rates up to 600 Mbps. This standard brought improved range and performance, making it popular for home and office networks. Later, in 2013, 802.11ac was introduced, boasting even faster data rates, up to several gigabits per second, and better channel bonding. 802.11ac became the prevailing standard for high-speed Wi-Fi connections.

3. The Arrival of Wi-Fi 6 – IEEE 802.11ax:

In 2019, Wi-Fi 6, also known as 802.11ax, entered the scene. It was a significant milestone in Wi-Fi evolution, promising higher data rates, improved network efficiency, and enhanced performance in crowded areas. With features like Orthogonal Frequency Division Multiple Access (OFDMA) and Multiple User Multiple Input Multiple Output (MU-MIMO), Wi-Fi 6 revolutionized how routers communicate with multiple devices simultaneously, reducing latency and enhancing overall performance.

4. Looking Ahead to Wi-Fi 7 – IEEE 802.11be:

As technology continues to advance, the next generation of Wi-Fi, known as Wi-Fi 7 or IEEE 802.11be, is currently under development. Expected to be deployed in the coming years, Wi-Fi 7 is projected to further boost data rates, reduce latency, and enhance network efficiency. It aims to meet the ever-increasing demands of connected devices and emerging technologies like augmented reality and virtual reality.

5. Mesh Wi-Fi Systems:
Beyond improvements in Wi-Fi standards, the advent of mesh Wi-Fi systems has been a game-changer. Mesh systems use multiple access points spread throughout a home or office to create a seamless, unified network. This approach eliminates dead zones and ensures a stable connection in every corner of the space.

6. The Integration of Wi-Fi in Everyday Life:
Throughout its evolution, Wi-Fi has become deeply integrated into our daily lives. From smartphones and laptops to smart home devices and IoT devices, Wi-Fi enables seamless connectivity and communication, transforming the way we live, work, and interact.


The evolution of Wi-Fi has been a fascinating journey, advancing from its modest beginnings to becoming an integral part of our connected world. With each new standard, Wi-Fi has achieved faster data rates, better performance, and improved efficiency, accommodating the growing demands of our increasingly connected lifestyles. As technology continues to progress, Wi-Fi will undoubtedly remain at the forefront of enabling seamless communication and connectivity for generations to come.

The Rise of Wi-Fi Boosters

Despite these improvements, users still encountered connectivity challenges, especially in larger homes or offices with dead zones and weak signals. This led to the development of Wi-Fi boosters. Wi-Fi boosters, also known as range extenders, are devices that amplify and extend the Wi-Fi signal to improve coverage in areas with poor connectivity. They receive the existing Wi-Fi signal, amplify it, and rebroadcast it, effectively extending the network’s range.

What is Wi-Fi Booster?

A Wi-Fi booster, also known as a Wi-Fi range extender or repeater, is a device designed to enhance and extend the coverage of an existing Wi-Fi network. It works by receiving the Wi-Fi signal from the wireless router, amplifying it, and then retransmitting it to areas with weak or no Wi-Fi signal. This helps to improve the Wi-Fi coverage and signal strength in areas of your home or office that are far from the router or experience poor connectivity.

A typical Wi-Fi booster consists of two main components:

  1. Antennas: The Wi-Fi booster is equipped with one or more antennas that receive the Wi-Fi signal from the main router.
  2. Amplifier/Repeater: The received Wi-Fi signal is then amplified or repeated by the booster’s internal amplifier. This boosted signal is transmitted back into the surrounding area, effectively extending the Wi-Fi coverage.

Wi-Fi boosters are usually easy to set up and require minimal configuration. Some models come with a dedicated mobile app or web interface that guides users through the setup process. Once set up, the booster operates as a seamless extension of the existing Wi-Fi network, sharing the same network name (SSID) and password.

It is important to note that Wi-Fi boosters work best in situations where the existing Wi-Fi signal is still detectable, even if it is weak. If the signal is entirely lost in certain areas, a Wi-Fi booster may not be as effective. In such cases, other solutions like mesh Wi-Fi systems or access points may be more suitable for extending Wi-Fi coverage.

Wi-Fi boosters are a popular and affordable solution for improving Wi-Fi coverage in homes or small offices, especially in areas with dead spots or weak signals. However, for larger and more complex environments, mesh Wi-Fi systems, which use multiple access points to create a seamless network, may provide more comprehensive coverage and better performance.

Extending Wi-Fi Reach with Wi-Fi Extenders

As the demand for seamless connectivity continued to grow, Wi-Fi extenders entered the scene. Wi-Fi extenders work similarly to boosters but offer a more advanced approach. Instead of simply rebroadcasting the signal, extenders create a new network, essentially acting as a bridge between the router and connected devices. This approach maintains a strong connection even in areas far from the main router.

The Emergence of Mesh Wi-Fi Systems

While Wi-Fi extenders improved coverage, they had limitations in handling large networks with multiple devices. Enter the era of mesh Wi-Fi systems. Mesh Wi-Fi systems consist of multiple access points or nodes strategically placed throughout a home or office. These nodes work together to create a seamless network with consistent performance, eliminating dead zones and ensuring smooth roaming as users move from one area to another.

Wi-Fi Evolution in the Smart Home Era

As the Internet of Things (IoT) revolutionized the way we interact with our homes, Wi-Fi continued to evolve to accommodate the increasing number of connected devices. Smart home devices, such as smart thermostats, security cameras, and voice assistants, rely heavily on a robust and reliable Wi-Fi connection for seamless operation. Modern routers and mesh systems are designed to handle the demands of these smart devices, ensuring optimal performance and connectivity.

The Future of Wi-Fi: Wi-Fi 6 and Beyond

Wi-Fi’s journey of evolution continues, and the latest frontier is Wi-Fi 6 (802.11ax). Wi-Fi 6 offers higher data rates, increased capacity, and improved efficiency, making it ideal for handling the ever-growing number of connected devices in our homes and workplaces. With features like Orthogonal Frequency Division Multiple Access (OFDMA) and Target Wake Time (TWT), Wi-Fi 6 provides better performance, reduced latency, and enhanced battery life for devices.

What is a benefit of a mesh network?

A significant benefit of a mesh network is its ability to provide seamless and robust Wi-Fi coverage throughout a larger area compared to traditional single-router networks. Here are some key advantages of a mesh network:

  1. Elimination of Dead Zones: Mesh networks consist of multiple access points (nodes) placed strategically throughout the space. These nodes work together to create a unified network, ensuring that there are no dead zones or areas with weak Wi-Fi signals. Users can move freely within the coverage area without experiencing drops or interruptions in their connection.
  2. Improved Network Performance: With a mesh network, devices can automatically connect to the access point with the strongest signal, optimizing the network performance. This dynamic connection management helps to reduce latency and ensures a smooth online experience, especially in crowded areas with many connected devices.
  3. Self-Healing and Redundancy: Mesh networks are designed to be self-healing, meaning that if one node fails or experiences issues, the other nodes can automatically reroute data to maintain a stable connection. This redundancy enhances the reliability of the network, ensuring continuous connectivity even in case of hardware failures.
  4. Easy Expansion and Scalability: Adding additional nodes to a mesh network is relatively straightforward. As the coverage area or the number of connected devices increases, users can expand the network by installing more nodes, ensuring that the Wi-Fi coverage remains consistent and strong.
  5. Simplified Setup and Management: Many mesh systems offer user-friendly setup processes, often through mobile apps, making it easy for users to get their network up and running. Additionally, mesh networks typically come with centralized management, allowing users to monitor and control their network from a single interface.
  6. Support for High Bandwidth Applications: Mesh networks are well-suited for handling high-bandwidth applications like video streaming, online gaming, and large file transfers. The distribution of the network load across multiple nodes helps to prevent bottlenecks and ensure a smooth experience for all connected devices.
  7. Adaptable to Various Environments: Mesh networks are versatile and can be adapted to different environments, including homes, offices, commercial spaces, and outdoor areas. They are particularly useful in large or multi-story buildings where traditional single-router networks may struggle to provide consistent coverage.

In summary, a mesh network offers an efficient and reliable solution for achieving seamless Wi-Fi coverage throughout a larger area. It addresses common challenges associated with dead zones, network congestion, and connectivity issues, making it an increasingly popular choice for both residential and commercial applications.

What’s the difference between a Wi-Fi booster and extender?

Here’s the comparison between Wi-Fi booster and Wi-Fi extender:

AspectWi-Fi BoosterWi-Fi Extender
FunctionAmplifies and boosts the existing Wi-Fi signal.Creates a new access point to extend the network.
Setup and ConfigurationUsually easy, may require manual adjustments.Requires configuration for setting up new access point.
Network PerformanceMay still suffer from interference and congestion.Can improve performance by reducing interference.
PlacementPlaced in areas with an existing Wi-Fi signal.Positioned to receive a good signal from the main router and extend it.
UsageSuitable for improving coverage in specific areas.Ideal for extending the network to distant areas.

It’s important to note that both devices have their unique advantages and can be used based on your specific needs and the layout of your space.

How do I setup my W-iFi extender?

Setting up a Wi-Fi extender is typically a straightforward process. Here’s a step-by-step guide to help you set up your Wi-Fi extender:

Before you begin:

  1. Place the Wi-Fi extender in a location where it can receive a strong Wi-Fi signal from your main router. This will ensure optimal performance and coverage extension.
  2. Make sure you have the necessary information, such as your Wi-Fi network name (SSID) and password, as you will need it during the setup process.

Step 1: Power on the Wi-Fi Extender:
Plug in the Wi-Fi extender into a power outlet near your main router. Ensure that it is receiving power and turned on.

Step 2: Connect to the Extender:
On your computer or mobile device, go to the list of available Wi-Fi networks and find the network name (SSID) of your Wi-Fi extender. It is usually labeled with the extender’s brand name or model number.

Step 3: Access the Setup Page:
Open a web browser on the device connected to the extender’s network. In the address bar, type the default IP address of the extender (e.g., 192.168.0.1 or 192.168.1.1) and press Enter. This will take you to the setup page of the W-Fi extender.

Step 4: Log in to the Extender:
You may be prompted to enter a username and password to access the setup page. Check the extender’s manual or packaging for the default login credentials. Once logged in, you may be asked to change the password for security reasons.

Step 5: Select your Wi-Fi Network:
On the setup page, look for the option to scan for available Wi-Fi networks. Select your main Wi-Fi network (SSID) from the list. You may also be asked to enter the password for your main Wi-Fi network.

Step 6: Configure Extender Settings:
Follow the on-screen instructions to configure the settings for your Wi-Fi extender. You may have options to set a new network name (SSID) and password for the extended network. You can also choose to use the same network name and password as your main Wi-Fi network to create a seamless roaming experience.

Step 7: Connect Devices to the Extender:
Once the setup is complete, the Wi-Fi extender will reboot. After the extender reboots, reconnect your computer or mobile device to the newly extended network using the new network name and password (if you changed them).

Step 8: Test the Connection:
Test the connection by moving to areas that previously had weak Wi-Fi signals. Check if you now have a stronger and more stable connection in those areas.

Congratulations! Your Wi-Fi extender is now set up and ready to extend the coverage of your Wi-Fi network. Enjoy improved Wi-Fi coverage in areas that were previously hard to reach.

How internet has changed technology?

The internet has had a profound and transformative impact on technology, revolutionizing the way we live, work, and interact. Here are some ways in which the internet has changed technology:

  1. Global Connectivity: The internet has connected people from all corners of the world, breaking down geographical barriers and enabling seamless communication and collaboration. This global connectivity has facilitated the rapid exchange of information, ideas, and innovations, fostering a dynamic and interconnected global community.
  2. Information Access: The internet has democratized access to information. With a few clicks, people can now access a vast amount of knowledge, research, and educational resources. This easy access to information has empowered individuals to learn and expand their knowledge on various subjects.
  3. E-Commerce and Online Shopping: The rise of the internet has given birth to e-commerce, transforming the way we shop and conduct business. Online marketplaces and platforms enable businesses to reach customers globally, while consumers enjoy the convenience of shopping from the comfort of their homes.
  4. Social Networking: Social media platforms have revolutionized communication, enabling individuals to connect, share, and interact with others on a global scale. Social networking has become an integral part of our daily lives, impacting how we stay informed, express ourselves, and build communities.
  5. Cloud Computing: The internet has paved the way for cloud computing, which allows users to store, access, and manage data and applications remotely. Cloud services offer scalability, cost-effectiveness, and accessibility, transforming how businesses and individuals handle data and software.
  6. Mobile Technology: The proliferation of internet access on mobile devices has changed the way we use technology. Smartphones and tablets have become essential tools for communication, productivity, entertainment, and accessing online services on the go.
  7. Big Data and Analytics: The internet generates massive amounts of data every second. Big data analytics leverage this data to gain insights, make informed decisions, and improve efficiency across various sectors, including business, healthcare, and research.
  8. Internet of Things (IoT): The internet has facilitated the growth of the IoT, a network of interconnected devices and objects. IoT devices communicate with each other and central systems, enabling automation, data collection, and remote control across various applications.
  9. Online Education: The internet has transformed education, providing access to online courses, virtual classrooms, and remote learning opportunities. Online education has made learning more accessible and flexible, enabling individuals to acquire new skills and knowledge from anywhere in the world.
  10. Digital Entertainment: The internet has revolutionized the entertainment industry. Streaming services offer on-demand access to movies, TV shows, music, and gaming, transforming how we consume and enjoy entertainment content.
  11. Cybersecurity and Privacy: The internet’s growth has raised concerns about cybersecurity and privacy. With increased connectivity, the need for robust security measures to protect personal data and information has become paramount.

What are the 3 types of Wi-Fi?

The three primary types of Wi-Fi are:

  1. Wi-Fi 802.11a: This standard was one of the earliest versions of Wi-Fi and operates on the 5 GHz frequency band. It offers relatively fast data transfer speeds, up to 54 Mbps, but has a shorter range compared to other Wi-Fi standards. Wi-Fi 802.11a is less commonly used today due to the limited range and compatibility issues with older devices.
  2. Wi-Fi 802.11b/g/n: These three standards, 802.11b, 802.11g, and 802.11n, operate on the 2.4 GHz frequency band. Wi-Fi 802.11b was one of the earliest widely adopted standards, offering data transfer speeds up to 11 Mbps. Wi-Fi 802.11g improved upon 802.11b, providing speeds up to 54 Mbps. Wi-Fi 802.11n, the most widely used of the three, supports data transfer speeds up to 600 Mbps and offers better range and reliability.
  3. Wi-Fi 802.11ac (Wi-Fi 5) and Wi-Fi 802.11ax (Wi-Fi 6): These are the latest and most advanced Wi-Fi standards. Wi-Fi 802.11ac, also known as Wi-Fi 5, operates on both the 2.4 GHz and 5 GHz frequency bands and can achieve data transfer speeds of up to several gigabits per second. Wi-Fi 802.11ax, also known as Wi-Fi 6, is the most recent standard and offers even faster speeds, lower latency, and improved efficiency in handling multiple connected devices.

It’s important to note that Wi-Fi 6E is an extension of Wi-Fi 6 that operates in the 6 GHz frequency band, providing additional spectrum and reduced interference. Wi-Fi 6E is designed to further enhance the performance and capacity of Wi-Fi networks in environments with high device density and demand for data-intensive applications.

What is the range of Wi-Fi?

The range of Wi-Fi can vary depending on several factors, including the Wi-Fi standard being used, the frequency band, the type of antenna, and the environmental conditions. Generally, Wi-Fi signals can reach up to:

  1. 2.4 GHz Wi-Fi (802.11b/g/n): The range can be up to approximately 150 feet (45 meters) indoors and up to 300 feet (91 meters) outdoors in an open space.
  2. 5 GHz Wi-Fi (802.11a/ac/ax): The range is typically shorter than 2.4 GHz Wi-Fi but provides higher data transfer speeds. It can reach up to approximately 75 feet (23 meters) indoors and up to 150 feet (46 meters) outdoors in an open space.

It’s essential to consider that various factors can impact the Wi-Fi range:

  • Obstructions: Walls, floors, and other obstacles can weaken Wi-Fi signals, reducing the effective range.
  • Interference: Other electronic devices and neighboring Wi-Fi networks operating on the same frequency can cause interference and reduce the range.
  • Antenna Type: The type and quality of the Wi-Fi antenna can influence the range and directionality of the signal.
  • Transmit Power: Some routers allow users to adjust the transmit power, which can affect the range.
  • Environmental Conditions: Wi-Fi performance can be affected by environmental factors such as humidity and electromagnetic interference.

Wi-Fi range extenders or mesh Wi-Fi systems can help extend the coverage of your Wi-Fi network, particularly in large homes or spaces with multiple rooms and obstructions.

When did Wi-Fi become popular?

Wi-Fi, as a wireless communication technology, started to gain popularity in the late 1990s and early 2000s. The initial development and standardization of Wi-Fi began in the late 1980s and early 1990s, but it took some time for the technology to become widely available and adopted by consumers and businesses.

The key milestones in the popularity of Wi-Fi are as follows:

  1. 1997: The Institute of Electrical and Electronics Engineers (IEEE) released the 802.11 standard, which laid the groundwork for Wi-Fi technology. The original standard offered data transfer rates of up to 2 Mbps.
  2. 1999-2001: The Wi-Fi Alliance, a non-profit organization formed to promote Wi-Fi technology, introduced the Wi-Fi Certified branding. This branding ensured that devices from different manufacturers would be interoperable and compliant with the 802.11 standard.
  3. Early 2000s: As the Wi-Fi Certified logo became more common on consumer electronics and networking equipment, the adoption of Wi-Fi accelerated. Laptops, smartphones, and other devices started to incorporate Wi-Fi capabilities.
  4. 2003-2004: The release of the 802.11g standard, which offered data transfer rates of up to 54 Mbps on the 2.4 GHz frequency band, further popularized Wi-Fi. The 802.11g standard was backward compatible with the earlier 802.11b standard, making it easier for users to upgrade their existing devices.
  5. Mid-2000s: The proliferation of public Wi-Fi hotspots in cafes, airports, hotels, and other public places made Wi-Fi more accessible to the general public. This contributed to the growing popularity of Wi-Fi-enabled devices.
  6. Late 2000s and Beyond: The release of newer Wi-Fi standards, such as 802.11n and 802.11ac (Wi-Fi 5), provided faster data transfer speeds, better range, and improved reliability. These advancements further increased the appeal and widespread adoption of Wi-Fi.

Today, Wi-Fi has become an integral part of everyday life, and it continues to evolve with the introduction of new standards like Wi-Fi 6 (802.11ax) and Wi-Fi 6E (which operates in the 6 GHz frequency band). The ever-increasing demand for wireless connectivity in homes, businesses, and public spaces ensures that Wi-Fi remains a dominant and essential technology in the digital age.

What is the principle of Wi-Fi?

The principle of Wi-Fi, short for “Wireless Fidelity,” is based on the concept of wireless communication using radio waves to transmit data between devices and a wireless access point (router). It operates on the principles of radio frequency (RF) communication and data modulation. The key principles of Wi-Fi include:

  1. Radio Frequency Communication: Wi-Fi uses radio waves to establish communication between devices. These radio waves operate in the 2.4 GHz and 5 GHz frequency bands. The Wi-Fi access point emits these radio waves, which are then received by Wi-Fi-enabled devices, such as smartphones, laptops, and smart home devices.
  2. Data Modulation: The data that needs to be transmitted between devices is converted into radio signals through a process called data modulation. Different types of data modulation, such as phase-shift keying (PSK) and quadrature amplitude modulation (QAM), are used to encode digital data into analog radio signals for transmission.
  3. Multiple Access with Collision Avoidance: Wi-Fi employs multiple access techniques to allow multiple devices to use the same wireless channel without causing interference. The Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) is one such method used in Wi-Fi. Before transmitting data, a Wi-Fi device listens to the wireless channel to check if it is clear (carrier sense). If the channel is busy, the device waits for a random period before attempting to transmit (collision avoidance) to avoid data collisions.
  4. Data Encryption and Security: Wi-Fi networks implement various encryption and security protocols to protect data transmission from unauthorized access. The most common security protocols used in Wi-Fi are WEP (Wired Equivalent Privacy), WPA (Wi-Fi Protected Access), and WPA2. These protocols help secure data exchanged between devices and the wireless access point.
  5. Handshaking and Authentication: When a Wi-Fi-enabled device connects to a wireless network, it goes through a process of handshaking and authentication with the access point. The device sends a connection request, and the access point responds by providing a network identifier (SSID). The device then authenticates itself using a password or security key before establishing a secure connection.
  6. Dynamic Frequency Selection and Channel Bonding: Some Wi-Fi devices and routers support dynamic frequency selection (DFS) and channel bonding. DFS allows Wi-Fi devices to automatically switch to less congested frequencies to avoid interference, while channel bonding combines adjacent channels to increase data transfer speeds.

By adhering to these principles, Wi-Fi technology enables wireless connectivity, providing users with the flexibility to access the internet and local networks without the constraints of wired connections.

How Does WI-FI works?

Wi-Fi, short for Wireless Fidelity, is a technology that allows devices to connect to the internet and communicate with each other wirelessly. It relies on radio waves to transmit data between devices and the internet. Understanding how Wi-Fi works involves grasping the basic components and processes involved in establishing and maintaining a Wi-Fi network:

  1. Wireless Router: The central hub of a Wi-Fi network is the wireless router. It acts as the gateway between devices and the internet. The router is connected to the internet through a wired connection, such as a DSL or cable modem.
  2. Radio Signals: The wireless router emits radio signals using a designated frequency, typically 2.4 GHz or 5 GHz. These signals carry data between the router and Wi-Fi-enabled devices, such as smartphones, laptops, or tablets.
  3. Wi-Fi-enabled Devices: To connect to the Wi-Fi network, devices must have Wi-Fi capabilities. These devices have built-in Wi-Fi adapters that can send and receive signals to and from the wireless router.
  4. SSID and Password: The wireless router broadcasts a Service Set Identifier (SSID), which is the network name. When you search for available Wi-Fi networks on your device, you’ll see a list of SSIDs. To connect to a specific network, you must enter the network’s password (also known as the Pre-Shared Key or PSK).
  5. Authentication and Encryption: When you enter the correct password for the Wi-Fi network, your device is authenticated by the router. The connection is then encrypted using security protocols like WPA2 (Wi-Fi Protected Access 2) to ensure that data transmitted over the network remains secure and private.
  6. Data Transmission: Once connected, data can be transmitted between your device and the router. This enables you to access the internet, send emails, stream videos, or perform any other online activity.
  7. Range and Interference: The range of a Wi-Fi network depends on various factors, including the power of the router, obstructions (walls, furniture), and interference from other electronic devices. Range extenders or mesh Wi-Fi systems can be used to improve Wi-Fi coverage in larger areas.
  8. Multiple Connections: A wireless router can handle multiple connections simultaneously, allowing multiple devices to access the internet and communicate with each other over the Wi-Fi network.

How to Share Wi-Fi Password?

Sharing a Wi-Fi password with someone is a common and convenient way to grant them access to your Wi-Fi network. There are several methods you can use to share your Wi-Fi password, depending on the devices and network setup. Here are some common ways to do it:

Sharing Manually:

  • If the person you want to share the password with is physically present, you can simply tell them the password, and they can enter it manually on their device to connect to the Wi-Fi network.

QR Code Sharing:

  • Some smartphones and routers allow you to generate a QR code containing the Wi-Fi password. The other person can scan this QR code with their device’s camera, and it will automatically configure and connect to the Wi-Fi network.

  • Via Message or Email:
  • You can share the Wi-Fi password via a text message, email, or instant messaging app. Simply send the password to the person’s device, and they can copy and paste it to connect.
  • Wi-Fi Sharing Feature (Android):
  • On Android devices running Android 10 or later, there is a built-in Wi-Fi sharing feature. When the other person tries to connect to your Wi-Fi network, you’ll receive a prompt on your device to share the password securely.

Wi-Fi Sharing Feature (iOS):

  • On iOS devices running iOS 11 or later, you can easily share the Wi-Fi password with nearby contacts who are also using iOS devices. When the other person tries to connect to your Wi-Fi network, you’ll receive a prompt on your device to share the password.

Using a Guest Network:

  • Some routers support creating a guest network with its own separate password. If you don’t want to share your main Wi-Fi password, you can provide the guest network password to visitors.

It’s important to note that while sharing your Wi-Fi password can be convenient, you should only share it with people you trust. If you have concerns about security, consider using a guest network or changing your Wi-Fi password periodically to maintain control over who has access to your network.

How to change WI-FI password?

To change your Wi-Fi password, you’ll need to access your router’s settings through a web browser. Here are the general steps to change the Wi-Fi password:

  1. Connect to your Wi-Fi network: Ensure that your device is connected to your Wi-Fi network before proceeding.
  2. Open a web browser: Open your preferred web browser (e.g., Google Chrome, Mozilla Firefox, Microsoft Edge) on a computer or smartphone that is connected to the Wi-Fi network.
  3. Enter the router’s IP address: In the address bar of your web browser, type the IP address of your router. The IP address is usually printed on the router’s label or documentation. Common router IP addresses are “192.168.0.1” or “192.168.1.1”. Press Enter to access the router’s login page.
  4. Log in to the router: You’ll be prompted to enter the router’s username and password. If you haven’t changed these credentials before, check the router’s manual or use the default username and password (common defaults include “admin” for both username and password). If you’ve previously changed the credentials but don’t remember them, you may need to reset the router to its factory settings.
  5. Navigate to the Wi-Fi settings: Once logged in, find and navigate to the Wi-Fi settings section of your router’s configuration interface.
  6. Change the Wi-Fi password: Look for the field labeled “Wi-Fi password,” “Wireless password,” or “Security key.” Enter your new desired Wi-Fi password in this field. Make sure to create a strong password that includes a mix of upper and lowercase letters, numbers, and special characters for better security.
  7. Save changes: After entering the new password, save the changes by clicking the “Save” or “Apply” button in the router’s settings.
  8. Reconnect devices: Once the changes are saved, your Wi-Fi network will restart. You will need to reconnect your devices using the new Wi-Fi password. Go to the Wi-Fi settings on your devices, select your Wi-Fi network, and enter the new password when prompted.

That’s it! Your Wi-Fi password has been successfully changed. Remember to update the password on all your connected devices to continue using the Wi-Fi network.

What is WI-FI 6?

Wi-Fi 6, also known as 802.11ax, is the latest generation of Wi-Fi technology that offers significant improvements over previous Wi-Fi standards. It was designed to address the increasing demand for faster and more reliable wireless connectivity in today’s highly connected world. Wi-Fi 6 builds upon the foundation of its predecessors, such as Wi-Fi 5 (802.11ac), to provide a more efficient and capable wireless network.

Key features and improvements of Wi-Fi 6 include:

  1. Higher Data Rates: Wi-Fi 6 supports higher data rates compared to previous Wi-Fi standards. It can deliver peak data rates of up to 9.6 Gbps, making it faster and more efficient for handling data-intensive tasks like streaming high-definition videos and online gaming.
  2. Increased Capacity: Wi-Fi 6 introduces advanced techniques like Orthogonal Frequency Division Multiple Access (OFDMA) and Multi-User Multiple Input Multiple Output (MU-MIMO) to allow multiple devices to connect and communicate simultaneously. This greatly increases the capacity of the Wi-Fi network, reducing congestion and improving overall performance in crowded environments.
  3. Better Performance in Crowded Areas: With improved capacity management and reduced interference, Wi-Fi 6 performs better in areas with a high concentration of devices, such as airports, stadiums, and busy urban areas.
  4. Improved Range: Wi-Fi 6 utilizes a more efficient modulation scheme, which enhances signal coverage and extends the range of the Wi-Fi network. This is especially beneficial for providing reliable connectivity in larger homes and buildings.
  5. Target Wake Time (TWT): Wi-Fi 6 introduces TWT, a feature that allows devices to schedule when and how often they wake up to send or receive data. This reduces the power consumption of devices, leading to improved battery life for smartphones, laptops, and other connected devices.
  6. Backward Compatibility: Wi-Fi 6 is backward compatible with previous Wi-Fi standards, which means that Wi-Fi 6 routers can support older devices that use Wi-Fi 5, Wi-Fi 4, and so on. However, to fully benefit from the improvements of Wi-Fi 6, both the router and the client devices (such as smartphones and laptops) need to support the Wi-Fi 6 standard.

Wi-Fi 6 is expected to revolutionize wireless connectivity, offering faster speeds, better performance, and improved efficiency for a wide range of applications. As more and more devices become Wi-Fi 6 enabled, users can enjoy a seamless and enhanced wireless experience with the potential to handle the increasing demands of modern connectivity.

Conclusion

Wi-Fi has come a long way since its inception as a simple wireless voice calling technology. Its evolution from voice calling to data transmission, and the introduction of Wi-Fi boosters, extenders, and mesh systems, has significantly improved our connectivity experience. As the world becomes increasingly reliant on wireless communication, Wi-Fi’s continuous development and innovation will remain critical in shaping the future of connectivity and ensuring we stay seamlessly connected in the digital era.

Overall, Wi-Fi networks offer the convenience of wireless connectivity, allowing devices to stay connected to the internet and communicate with each other without the need for physical cables. As technology continues to evolve, Wi-Fi networks have become an integral part of modern communication and play a crucial role in keeping us connected in today’s digital world.

In conclusion, the internet’s advent has been a game-changer, driving technological advancements across various domains. Its impact on society, communication, economy, and daily life continues to evolve, shaping the future of technology and human interaction in profound way. Keep exploring such interesting cover stories & stay connected with The Smart Innovator.

Frequently Asked Questions

Who is founder of Wi-Fi?

John O’Sullivan, Terence Percival, Diet Ostry, John Deane, and Graham Daniels are the key persons in developing wi-fi.

Is Wi-Fi calling free internationally

Wi-Fi calling is available at no extra charge when you call U.S. numbers from anywhere in the world

Do Wi-Fi boosters really work?

Yes, Wi-Fi boosters, can effectively improve Wi-Fi coverage and signal strength in certain situations. They work by receiving the existing Wi-Fi signal from the router, amplifying it, and then retransmitting it to extend the coverage to areas with weak or no Wi-Fi signal.


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