Presentation 2007-01-25
A Controlling Retransmission Size H-ARQ Scheme by BLER Based on CRC Code
Kazuhiko HASEGAWA, Iwao SASASE,
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Abstract(in English) RB-HARQ (Reliability-based HARQ) which utilizes posteriori LLR (Log Likelihood Ratio) has been proposed as a controlling retransmission size scheme of H-ARQ (Hybrid-Automatic Repeat reQuest). However, RB-HARQ must need performances associated with LLR, so simulations are needed beforehand to get these performances. In this paper, we propose a controlling retransmission size scheme which doesn't need these simulations. The proposed scheme utilizes BLER (BLock Error Rate) which can be gotten by results of CRC (Cyclic Redundancy Check) decoding. We show that the throughput performance of the proposed scheme equivalent to that of RB-HARQ and the proposed scheme doesn't need simulations which must be needed in RB-HARQ.
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Keyword(in English) H-ARQ / RB-HARQ / LLR / CRC code / BLER
Paper # SIP2006-144,RCS2006-202
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Committee RCS
Conference Date 2007/1/18(1days)
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Registration To Radio Communication Systems (RCS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Controlling Retransmission Size H-ARQ Scheme by BLER Based on CRC Code
Sub Title (in English)
Keyword(1) H-ARQ
Keyword(2) RB-HARQ
Keyword(3) LLR
Keyword(4) CRC code
Keyword(5) BLER
1st Author's Name Kazuhiko HASEGAWA
1st Author's Affiliation Dept. of Information and Computer Science, Keio University()
2nd Author's Name Iwao SASASE
2nd Author's Affiliation Dept. of Information and Computer Science, Keio University
Date 2007-01-25
Paper # SIP2006-144,RCS2006-202
Volume (vol) vol.106
Number (no) 479
Page pp.pp.-
#Pages 6
Date of Issue