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channel capacity enhancement

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syeda amna

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hi
i m new in communications.
what is channel capacity?
i want to know about what is the effect of channel capacity enhancement? Is it possible that one can enhance the channel capacity and how? what tools are used for this purpose.
I have read some articles but i can't get much understanding.
 
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Channel capacity refers to the number of users supported by a cell. For enhancing the channel capacity you need to modify the cluster size or bandwidth. Other techniques are cell splitting, cell sectoring and overlay, underlay techniques.

M= W/(Wc*N)

W= Total bandwidth
Wc = channel bandwidth
N = cluster size

Naveed
 
Thanks for your reply.
what is the effect of channel enhancement on signal transmission. why we need to enhance the channel.
how much wireless channel utilizes now adays.
can you explain it more?
 

1. Channel enhancement produces interference for the neighbour cells and its users. So we need to reduce power levels incase of cell splitting technique for avoiding interference.
2. We need to enhance the channel capacity, if current cell cannot support much users. So inorder to support more number of users we do it.
3. Now a days wireless channel is used for many purposes. i.e(GSM, GPRS, 3G systems, Wi-fi,etc)

Naveed
 

its okay.
tell me capacity enhancement of wireless channel is possible or not.
 

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