收稿日期: 2012-04-11
修回日期: 2012-06-07
网络出版日期: 2012-06-07
基金资助
Supported by the Special Issue of Major National Science and Technology(2008ZX03003-004)
Multicast-aware linear transceiver-aided multi-stream multicast scheme in multiple regenerative relay systems
Received date: 2012-04-11
Revised date: 2012-06-07
Online published: 2012-06-07
王崇发 , 邱玲 . 多再生中继系统中基于多播线性收发机辅助的多流多播策略[J]. 中国科学院大学学报, 2013 , 30(3) : 425 -431 . DOI: 10.7523/j.issn.1002-1175.2013.03.022
For multiple regenerative relay systems, we propose a multicast-aware linear transceiver-aided multi-stream multicast scheme to improve the system capacity when it is limited by relay-to-destination link. In this scheme, joint transmission of data-sharing relays is employed to improve the weak relay-to-destination link. To efficiently distribute the needed sharing data to relays, multi-stream multicasting is performed in source-to-relay link and we design a multicast-aware linear transceiver which intelligently collects same streams and separates different streams. The simulation results show that system capacity is effectively enhanced, especially for weak relay-to-destination link.
Key words： multiple relays; multi-stream; multicast; transceiver design
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