Cooperative Networking in a Heterogeneous Wireless Medium by Muhammad Ismail & Weihua Zhuang

Author:Muhammad Ismail & Weihua Zhuang
Language: eng
Format: epub
Publisher: Springer New York, New York, NY

(3.1)

The parameter in (3.1) can characterize the mice-elephant feature. A large fraction of calls has a duration with mean time , while the other fraction has a duration with mean time .

3.2.4 Mobility Models and Channel Holding Time

User residence time is used to characterize the user mobility within a given service area , and is assumed to follow an exponential distribution. The PDF of the user residence time , with mean , in service area , is given by

(3.2)

In a given service area , the channel holding time is given by , where and are independent of each other. Then,

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