A CROSS-LAYER CONGESTION CONTROL STRATEGY IN WIRELESS SENSOR NETWORK

被引：0
|
作者：
Li, Zilong [1 ]
Zou, Weixia [1 ]
Qi, Tao [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Beijing 100876, Peoples R China
来源：
2011 4TH IEEE INTERNATIONAL CONFERENCE ON BROADBAND NETWORK AND MULTIMEDIA TECHNOLOGY (4TH IEEE IC-BNMT2011) | 2011年
关键词：
wireless sensor networks; cross-layer; congestion control; multi-paths routing;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In wireless sensor networks (WSNs), the energy and function of sensor nodes are limited. Congestion occurs frequently in many to one and multi-hop transferring nodes. It can cause packets dropout, low energy efficiency, and long delay. The network congestion control is a key to improve the QoS of network. Most studies were carried out at the transport layer in congestion detection and rate adjustment mechanism, without considering the balanced combination in :the multi path routing and the variety application situations. In this paper, we present a Cross-layer Congestion Control (CLCC) Strategy in wireless sensor networks. It includes multi-path routing, rate adjustment, and application-oriented design. The multi-path routing can remove congestion of one node immediately by forwarding packets to other nodes. The rate adjustment can control-congestion fundamentally. The application-oriented design is for the variety situations in wireless senor networks. Simulation results are also presented that show decrease in drop rate and stability. in source rate.
引用
收藏
页码：173 / 177
页数：5
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