Improving WiFI Connection Performance TIPS

By | May 26, 2017

Introduction

A good WiFi connection is very important in the modern day. Everyone has some or the other work online that requires a good internet connection. There are ways to improve your existing internet connection.There are few configurations that can be done to WiFi router that will help improve connection.

Transmit Power

Transmit power is defined as the power used by the WiFi router to transmit a signal. A router is generally supposed to operate at 100 percent transmit power. This means that the router is using full power and it is hence able to provide the entire house/office area with Wi-Fi connection. But sometimes it becomes necessary to restrict the Wi-Fi connection to a particular area within the home/office. In such cases, we need to isolate some frequencies of waves. To do this, we can change the transmit power rating to 75% or 50% or 25%.

Transmit Channel

A transmit channel of 2.4 gigahertz (band) is used by the 802.11 workgroups. Many channels are derived from this one single band. Every country has its own rules regarding channels that can be allowed, frequency range levels and maximum power. Some operators will use higher power for very long-distance wireless communication.

WMM

Wireless Multimedia Extensions (WME) also called  Wi-Fi Multimedia (WMM) is defined as the subset of 802.11e wireless LAN that performs the task of prioritizing audio, video, voice etc. over other less important things. There are four Access Categories (AC) namely, video, voice, background and best effort. WMM uses these four items to prioritize the data packets in the queue. WMM makes use of Quality of service (QoS) to put the applications that require better performance in the queue with higher priority. Latency or delay before transferring data over a network and jitter is minimized when WMM is enabled.

IGMP Snooping

IGMP stands for Internet Group Management Protocol. IGMP is a network protocol that generates traffic. This means that there is a sort of conversation between the host devices and the routers. IGMP snooping feature helps the network switches to listen to this conversation. The network switch uses the information that it has heard to maintain a map of links that are in need of IP multicast streams. This helps to handle traffic efficiently by making sure that only those ports which need a particular traffic will be able to receive it. Many routers use the IGMP to multicast effectively. Multicasting refers to the transmission of identical data like multimedia to a large number of receivers.

Short GI

GI stands for guard interval. Guard Intervals prevent different transmissions from interfering with each other. If one has a short GI, such that the interval is lowered to around 400 nanoseconds, then the data rate increases by approximately eleven percent. It is extremely suitable for office environments

WLAN Partition

The clients of a wireless connection that associated with each other must not communicate with each other directly. WLAN partition is a feature which prevents this when enabled

Coexistence of HT20/40

In HT20 mode, the channel bandwidth is 20 MHz and in HT40 mode it is 40 MHZ. When this feature is enabled, interference between neighboring devices is prevented. When this feature is disabled, connection speed increases.

Configuring the Router

In the ‘advanced’ tab of the router, make a selection of ‘advanced wireless’. Then enable/ disable the above-mentioned features to suit your needs.

Channel changing

The software ‘WIFI Optimizer’ for Android or ‘WIFI Radar’ for Linux must be used to find out which channel is used less in the neighborhood and then transmit channel must be changed

Conclusion

Prioritize the features that you want in your WiFi connection. Use this information to enable or disable properly. Make sure to not disable or unable wrong features that could negatively affect the Wi-Fi connection.

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