QoS-guaranteed transmission scheme selection for OFDMA multi-hop cellular networks

被引：16
作者：
Lee, Jemin [1 ]
Park, Sungsoo [1 ]
Wang, Hano [1 ]
Hong, Daesik [1 ]
机构：
[1] Yonsei Univ, Dept Elect & Elect Engn, Informat & Telecommun Lab B715, Seoul 120749, South Korea
来源：
2007 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-14 | 2007年
关键词：
D O I：
10.1109/ICC.2007.757
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：
In this paper, a problem for efficient use of subcarriers in downlink OFDMA multi-hop cellular networks is studied based on quality of service (QoS) guarantee of each mobile station (MS). We consider three possible transmission schemes in multi-hop networks: single-hop, multi-hop, and multi-hop with spatial reuse of subcarriers. We verify that the required number of subcarriers to guarantee the target BER and the target data rate is changed according to the transmission scheme and QoS requirements as well as the channel condition. Based on this result, we propose a new transmission scheme selection algorithm to select the best performance scheme for the efficient utilization of the limited subcarriers. Through the numerical results, the performance of this algorithm is demonstrated by the number of supported MSs in the system and the blocking probability.
引用
收藏
页码：4587 / 4591
页数：5
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