Link Adaptation with Retransmissions for Partial Channel State Information

被引：0

作者：

Pfletschinger, Stephan ^{[1
]}

Navarro, Monica ^{[1
]}

机构：

[1] CTTC, Castelldefels 08860, Barcelona, Spain

来源：

GLOBECOM 2008 - 2008 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE | 2008年

关键词：

D O I：

10.1109/GLOCOM.2008.ECP.711

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：

We consider the performance of adaptive coding and modulation (ACM) over a fading channel for the case that the transmitter has only partial channel state information (CSI). We evaluate the degradation due to the partial CSI in terms of additionally required SNR by simulations and an analytical approximation. Then, we propose an ACM scheme with fast link-level retransmissions based on cyclic incremental redundancy and compare its performance to an equivalent scheme based on Chase combining. For both HARQ (hybrid automatic repeat request) schemes, we develop an analytical approximation for the throughput and the delay.

引用

页数：6

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