DocumentCode :
645403
Title :
A resource allocation scheme for D2D multicast with QoS protection in OFDMA-based systems
Author :
Peng, Bo ; Hu, Chunjing ; Peng, Tao ; Yang, Yang ; Wang, Wenbo
Author_Institution :
Wireless Signal Processing and Network Lab, Key laboratory of Universal Wireless Communication, Ministry of Education, Beijing University of Posts & Telecommunications
fYear :
2013
fDate :
8-11 Sept. 2013
Firstpage :
12383
Lastpage :
2387
Abstract :
A resource allocation scheme involving several Device-to-Device (D2D) multicast groups underlaying OFDMA-based systems is proposed in this paper. In order to guarantee Quality of service (QoS) of cellular users (CeUEs), we define the signal-to-interference-pulse noise ratio (SINR) threshold value for CeUEs. Meanwhile, the minimum throughput of a single D2D multicast group is predetermined to maintain fairness of each D2D multicast group. Since the subcarrier assignment and power allocation are a joint optimization problem with complex calculation, the proposed scheme is divided into two steps. First, subcarriers are allocated under the premise of ensuring the minimum throughput of the D2D multicast groups and the QoS of CeUEs. Then by applying an approximation form of Shannon capacity, the power allocation problem can be solved by convex optimization. Simulation results show that the proposed scheme improves sum-throughput significantly as well as fairness. Besides, the sum-throughput increases with the increasing number of D2D multicast groups.
Keywords :
Convex functions; Indexes; Interference; Quality of service; Resource management; Signal to noise ratio; Throughput; Device-to-Device(D2D) Multicast; Fairness; QoS; Resource Allocation;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Personal Indoor and Mobile Radio Communications (PIMRC), 2013 IEEE 24th International Symposium on
Conference_Location :
London, United Kingdom
ISSN :
2166-9570
Type :
conf
DOI :
10.1109/PIMRC.2013.6666544
Filename :
6666544
Link To Document :
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