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

Authors:
Yuefeng Peng;Wei Yang;Yuan Zhu;Young-Il Kim
Affiliations:
School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing, China 100044 and Mobile Wireless Group, Wireless Technology Division, Intel Corporation, Beijing, China 1001 ...;National Mobile Communications Research Laboratory, Southeast University, Nanjing, China 210096;Mobile Wireless Group, Wireless Technology Division, Intel Corporation, Beijing, China 100190;School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing, China 100044 and Wireless System Research Group, Electronics and Telecommunications Research Institute, Taej ...
Venue:
Wireless Personal Communications: An International Journal
Year:
2013

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Abstract

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.