An Enhanced Link Adaptation Scheme Based on Cooperative Interference Prediction for MIMO-OFDM Systems

被引：0
|
作者：
Yuefeng Peng
Wei Yang
Yuan Zhu
Young-Il Kim
机构：
[1] Beijing Jiaotong University,School of Electronic and Information Engineering
[2] Southeast University,National Mobile Communications Research Laboratory
[3] Intel Corporation,Mobile Wireless Group, Wireless Technology Division
[4] Electronics and Telecommunications Research Institute,Wireless System Research Group
来源：
Wireless Personal Communications | 2013年 / 70卷
关键词：
MIMO; OFDM; Link adaptation; Joint scheduling;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Dynamic inter-cell interference (ICI) causes channel quality indicator mismatch such that system throughput is reduced. In this paper, an enhanced link adaptation scheme based on cooperative interference prediction is proposed to reduce the mismatch. The scheme predicts the dynamic ICI within a cluster of base stations (BSs) for improving the link adaptation accuracy. With the dynamic ICI prediction, more accurate modulation and coding scheme can be selected without increasing the overhead over the air. System level simulations show that the proposed scheme significantly improves the system spectral efficiency (SE), especially the cell-edge SE.
引用
收藏
页码：519 / 535
页数：16
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