CVMIMOR: cooperative virtual MIMO routing in wireless networks

Authors:
Kun Xie;Ye Liu;Jigang Wen;Shiming He
Affiliations:
School of Information Science and Engineering, Hunan University, Changsha 410082, China;School of Information Science and Engineering, Hunan University, Changsha 410082, China;Institute of Computing Technology, Chinese Academy of Science, Beijing, China;School of Information Science and Engineering, Hunan University, Changsha 410082, China
Venue:
International Journal of Wireless and Mobile Computing
Year:
2014

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Abstract

Cooperative communication can combat multipath fading by exploiting multiple antennas from single-antenna nodes to form the virtual antenna arrays. Virtual Multi-Input Multi-Output VMIMO is one instance of cooperative communication that has the potential to largely expand transmission range and reduce energy consumption. This paper proposes a Cooperative Virtual MIMO Routing CVMIMOR protocol, which dynamically establishes clusters hop by hop by transmitting the well designed Route Request RREQ control packets and other control packets, and the VMIMO technique is used to transmit data between clusters. The simulation results show that compared to other existing routing protocols, our CVMIMOR can achieve higher route discovery success ratio and less energy consumption.