On the Degrees of Freedom of Parallel Relay Networks

被引：0

作者：

Wang, Chao ^{[1
]}

Farhadi, Hamed ^{[1
]}

Skoglund, Mikael ^{[1
]}

机构：

[1] Royal Inst Technol KTH, Sch Elect Engn, S-10044 Stockholm, Sweden

来源：

2010 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE GLOBECOM 2010 | 2010年

关键词：

INTERFERENCE ALIGNMENT; WIRELESS NETWORKS; CODED PROTOCOLS; DIVERSITY;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We study the degrees of freedom (DOF) of a single-antenna M-user time-varying parallel relay network, where the communications between M pairs of unconnected sources and destinations are provided by a large number of half-duplex decode-and-forward (DF) relays. Unlike the conventional relaying strategy which demands all the relays to simultaneously assist the sources, we divide the relays into two clusters and permit them to take turns forwarding the source messages. With appropriate interference alignment design, it is proved that the M-user time-varying relay network has M DOF, provided that the number of relays is infinitely large.

引用

页数：5

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