Adaptive Scheduling Algorithms for Multimedia Traffic in Wireless OFDMA Systems

被引：1

作者：

Cecchi, Marco ^{[1
]}

Fantacci, Romano ^{[1
]}

Marabissi, Dania ^{[1
]}

Tarchi, Daniele ^{[1
]}

机构：

[1] Univ Florence, Dept Elect & Telecommun, Florence, Italy

来源：

GLOBECOM 2008 - 2008 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE | 2008年

关键词：

D O I：

10.1109/GLOCOM.2008.ECP.997

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：

This paper deals with the problem of finding an optimal subcarrier allocation strategy for uplink and downlink communications in an OFDMA metropolitan wireless system. In particular a two steps approach is considered; at the first step the scheduler establishes the amount of resources to assign to users on the basis of their Quality of Service (QoS) constraints, while, at the second step, channel conditions are used to allocate subcarriers to users. A simple strategy for choosing the appropriate Modulation and Coding Scheme according to the channel conditions of the assigned subcarriers is also proposed.

引用

页数：5

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