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Rate-aware optimal transmission power analysis in wireless ad hoc networks |
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| Authors: | Chen Lin Li Minglu Yu Jiadi |
| Institution: | 1. Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, P.R.China;Systm and Network Group, IBM China Research Lab, Beijing 100193, P.R.China 2. Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, P.R.China |
| Abstract: | The problem of transmission power control in a rate-aware way is investigated to improve the through put of wireless ad hoe network.The behavior of basic IEEE 802.11 DCF is approximated by the p-persistent CSMA through a Markov chain model.The throughput model takes hidden terminals, multi-hop flow and concurrent interference into account.Numerical results show that the optimal transmission power derived from this model could balance the tradeoff between spatial reuse and data rate and hence yield maximum throughput. |
| Keywords: | transmission power control multi-rate p-perslstent CSMA IEEE 802 11 spatial reuse |
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