PERFORMANCE ANALYSIS OF SUPERPOSITION CODING FOR MIXED UNICAST AND BROADCAST TRANSMISSION USING OPPORTUNISTIC MULTICAST SCHEDULING SCHEME IN LTE-A SYSTEM

被引：0
|
作者：
Li, Qinzi [1 ]
Yao, Meng [1 ]
Wang, Wenbo [1 ]
Zhang, Xing [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Key Lab Universal Wireless Commun, Minist Educ, Wireless Signal Proc & Network Lab, Beijing 100876, Peoples R China
来源：
PROCEEDINGS OF 2011 INTERNATIONAL CONFERENCE ON COMMUNICATION TECHNOLOGY AND APPLICATION, ICCTA2011 | 2011年
关键词：
Superposition coding; broadcast; unicast; OMS scheme; BER; throughput; time delay; LTE-Advanced system; SERVICES;
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：
A scheme transmitting superposition coding (SC), which superimposes unicast data to multicast data, using opportunistic multicast scheduling (OMS) scheme, is proposed and its performance is evaluated and simulated in this paper. Although the scheme is a little weaker than traditional scheme using QPSK modulation method in bit error rate (BER) performance, its throughput and system time delay promote considerably. Numerical results show that when user channel condition is weak and signal to noise ratio (SNR) is not high, the new scheme can outperform the conventional scheme in terms of system performances.
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收藏
页码：197 / 200
页数：4
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