Chunk-Based Resource Allocation in Multicast OFDMA Systems with Average BER Constraint

被引：17

作者：

Papoutsis, Vasileios D. ^{[1
]}

Kotsopoulos, Stavros A. ^{[1
]}

机构：

[1] Univ Patras, Dept Elect & Comp Engn, Wireless Telecommun Lab, Rion 26500, Greece

来源：

IEEE COMMUNICATIONS LETTERS | 2011年 / 15卷 / 05期

关键词：

OFDMA; resource allocation; chunks; multicast systems; multiuser diversity;

D O I：

10.1109/LCOMM.2011.030911.110252

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

The resource allocation problem for the downlink of Orthogonal Frequency Division Multiple Access (OFDMA) wireless multicast systems is investigated. It is assumed that both the Base Station (BS) and each user are equipped with a single antenna and the allocation unit is not the subcarrier, as in conventional OFDMA systems, but a set of contiguous subcarriers (chunk). The aim of the proposed efficient algorithm is to maximize the total throughput subject to constraints on total available power and average Bit Error Rate (BER) over a chunk. Simulation and complexity analysis are provided to support the benefits of chunk-based resource allocation to multicast OFDMA systems.

引用

页码：551 / 553

页数：3

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