[ns] carrier sense (neeraj gupta)

Jie Xu jiee.xu at gmail.com
Sun Mar 1 18:14:27 PST 2009


> In my understanding, there is no nav table. Actually there is only one NAV
> timer in NS implementation.
>
> the timer is updated by receiving packets withing its receiving range and
> carrier sense range. In this way, the carrier sense makes sense.


Jie Xu @ GUCAS, China


>
>
>
>>
>> hi all
>>
>>  it's true the node uses the carrier sense before sending the data. as per
>> my understanding the NAV for the nodes in the carrier sense rage is updated.
>> Nodes uses this nav to determine the time after which the it is permited to
>> send the data. my promblem is to use the entries in nav for my work.how can
>> i access the nav table.
>>
>> Neeraj Gupta
>> Assistant Professor
>> HOD, CSE & IT Department
>> Hindu College of Engineering
>> Sonepat
>>
>>
>


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