Rate allocation strategies for energy-efficient multipath routing in Ad-hoc networks towards B3G

• Published in: Journal of China universities of posts and telecommunications Vol. 14; no. 2; pp. 84 - 88
• Main Authors: ZHANG, Song-tao, XU, Guo-xin
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.06.2007; Wireless Technologies Innovation Institute, Key Laboratory of Universal Wireless Communication Ministry of Education, Beijing University of Posts and Telecommunications, Beijing 100876, China
• Subjects: Ad-hoc network; B3G; energy consumption; multipath routing; QoS; TN929; multipath routing; TN929; QoS; energy consumption; B3G; Ad-hoc network
• ISSN: 1005-8885
• DOI: 10.1016/S1005-8885(07)60131-9

Wireless mobile Ad-hoc network is a special network that all nodes can self-organize and work together. It is flexible to form a network and extend the coverage area dynamically without infrastructure, so Ad-hoc network is envisioned as cornerstones of future generation networking technologies (B3G or 4G). However, the dynamic network topology makes the communication cost not only the energy of source/destination nodes, but also the relay nodes. Another problem of the Ad-hoc network is it is hard to provide a stable and persistent quality of service (QoS), which is strongly required by the beyond 3rd generation (B3G) system. In this article, the authors establish a scenario that contains B3G cellular base station and Ad-hoc mobile nodes, and propose two algorithms minimum incremental rate algorithm and power feed-back rate allocation algorithm in multipath routing. The algorithms can maintain a constant total transmission rate and bit error ratio (BER) to provide the QoS guarantee and reach the minimum power consumption of the relay nodes by adjusting the rate of each path in the multipath routing.