BROADCAST SCHEDULING WITH MIMO LINKS IN MULTI-HOP AD HOC NETWORKS

被引:3
|
作者
Zhang Guanghui Li Jiandong Zhao Min Li Changle (State Key Lab. of ISN
机构
关键词
Multiple Input Multiple Output (MIMO); Time Division Multiple Access (TDMA); Broadcast; Multihop ad hoc network;
D O I
暂无
中图分类号
TN929.5 [移动通信];
学科分类号
080402 ; 080904 ; 0810 ; 081001 ;
摘要
As the current medium access control protocols with Multiple Input Multiple Output (MIMO) links only bear point to point service, broadcast scheduling algorithm in ad hoc networks with MIMO links is proposed. The key to the proposed broadcast scheduling algorithm is the time slot scheduling algorithm which guarantees collision-free transmissions for every node and the mini- mum frame length. The proposed algorithm increases the simultaneous transmissions of MIMO links efficiently. Due to the interference null capacity of MIMO links, the interference node set of each node can decrease from two-hop neighbors to one-hop neighbors possibly. Simulation results show that our algorithm can greatly improve network capacity and decrease average packet delay.
引用
收藏
页码:477 / 483
页数:7
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