NDLI: Scheduling Algorithm Considering HARQ and Successive Interference Cancellation

Content Provider	IEEE Xplore Digital Library
Author	Kyoungmin Park Deok-Kyu Hwang Keum-Chan Whang
Copyright Year	2007
Description	Author affiliation: Sch. of Electr. & Electron. Eng., Yonsei Univ., Seoul (Kyoungmin Park; Deok-Kyu Hwang; Keum-Chan Whang)
Abstract	In this paper, scheduling algorithm for CDMA uplink considering the performances of HARQ and successive interference cancellation (SIC) is studied. It is assumed that channel attenuation due to near-far effect is not informed to receiver and all the users request the same QoS. The purpose of this study is to increase link throughput without fairness violation, and the goal is approached by raising early termination. We show that the effective SINR which determines the probability of error free decoding is highly correlated with the amount of first subpackets received at the same time, and we also show that the overall PER is given as a function of first subpacket 's distribution. We build PER as a function of the subpacket's flow, and by simple analysis and simulation, we show that the probability of early termination can be greatly increased through subpacket flow control, while the PLR remains almost constant. We find the optimal distribution which maximizes an early termination and design a scheduling rule which satisfies the proportional fairness between the users. Simulation results show that proposed algorithm achieves large throughput enhancement without fairness violation.
Starting Page	2877
Ending Page	2880
File Size	185853
Page Count	4
File Format	PDF
ISBN	9781424413119
DOI	10.1109/WICOM.2007.714
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-21
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interference cancellation Silicon carbide Transmitters Delay effects Throughput Attenuation Decoding Multiaccess communication Scheduling algorithm Signal to noise ratio
Content Type	Text
Resource Type	Article

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