topic please help me to understand what is the meaning of Acess point in Wireless

please help me to understand what is the meaning of Acess point Channel utilization?

livelyankit — Sun, 04 Jul 2021 07:45:22 GMT

please help me to understand what is the meaning of Acess point Channel utilization? If i want to mange the capacity of my Office Wi-Fi network what are the factor i need to monitor. as per my understanding we need to monitor no of users connected to AP and channel utilization of AP. Pls advice

please help me to understand what is the meaning of Acess point

Leo Laohoo — Tue, 03 Sep 2013 22:47:04 GMT

Duplicate posts.

please help me to understand what is the meaning of Acess point

aqjaved — Thu, 05 Sep 2013 17:23:35 GMT

Throughput is sometimes normalized and measured in percentage, but normalization may cause confusion regarding what the percentage is related to. Channel utilization, Channel efficiency and packet drop rate in percentage are less ambiguous terms.

The channel efficiency, also known as bandwidth utilization efficiency, in percentage is the achieved throughput related to the net bitrate in bit/s of a digital communication channel. For example, if the throughput is 70 Mbit/s in a 100 Mbit/s Ethernet connection, the channel efficiency is 70%. In this example, effective 70Mbits of data are transmitted every second.

Channel utilization is instead a term related to the use of the channel disregarding the throughput. It counts not only with the data bits but also with the overhead that makes use of the channel. The transmission overhead consists of preamble sequences, frame headers and acknowledge packets. The definitions assume a noiseless channel. Otherwise, the throughput would not be only associated to the nature (efficiency) of the protocol but also to retransmissions resultant from quality of the channel. In a simplistic approach, channel efficiency can be equal to channel utilization assuming that acknowledge packets are zero-length and that the communications provider will not see any bandwidth relative to retransmissions or headers. Therefore, certain texts mark a difference between channel utilization and protocol efficiency.

Factors:

Five Ways to Boost Wireless Coverage in Your Office Please check the below link for step by step configuration:

http://blogs.cisco.com/smallbusiness/five-ways-to-boost-wireless-coverage-in-your-office/

please help me to understand what is the meaning of Acess point

Abhishek Abhishek — Thu, 05 Sep 2013 19:24:39 GMT

Channel Utilization (%)—The percentage of time that an access point channel is busy operating on packets. The percentage (0 to 100%) represents a load from 0 to 1

please help me to understand what is the meaning of Acess point

George Stefanick — Thu, 05 Sep 2013 19:36:34 GMT

Channel Utilization is based around how busy a station (ap or client) sits in the busy state due to network traffic tranmissions on the channel or noise that is on the channel.

Not a sepcific AP or how busy it is sending packets.

Real world example --

A client wants to TX a frame. It senses layer 1 (NAV) and layer 2 (duration ID). If the medium is busy it will back off and wait a predetermined amount (DIFS,SIFS, etc) of time based around QoS queuing. During this backoff, the AP calculates how much time its sitting in the busy state. This is an easy example of what channel util is.

Frames and noise are a factor. On cisco phones it is rated from 0 - 255 . Note the the comments about

physical or virtual carrier sense (CS) mechanism. This is the layer 1 / 2 I mentioned.

http://www.cisco.com/en/US/docs/voice_ip_comm/cuipph/7925g/7_0/english/administration/guide/7925cfgu.html

Channel Utilization

The percentage of time, normalized to 255, in which the AP sensed the medium was busy, as indicated by the physical or virtual carrier sense (CS) mechanism.

Aps are 0 - 100% ..

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