Can scheduling with error rate consideration support TCP performance comparable to packet combining HARQ in evolved UTRA and UTRAN networks?

Zhang Yan, Masato Uchida, Masato Tsuru, Yuji Oie

研究成果: Conference contribution

2 被引用数 (Scopus)

抄録

As a key technology of evolved UTRA and UTRAN, hybrid ARQ with packet combining (HARQ with PC) can effectively improve the throughput performance for poor channel condition users without doing unacceptable level of harm to the system transmission efficiency or the throughput performance of good condition users. In the present study, we attempt to apply scheduling with error rate consideration as an alternative method by which to realize a comparable TCP performance to HARQ with PC. Scheduling with error rate consideration introduces the transmission failure possibility (error rate) in order to modify the existing channel-aware scheduling schemes to avoid high-risk transmissions, and thus improves TCP performance. Simulations show that scheduling with error rate consideration can realize a TCP performance comparable to HARQ with PC when no user continuously experiences a nearly zero successful transmission possibility environment. Moreover, it is shown herein that a synergistic improvement can be achieved by applying scheduling with error rate consideration to HARQ with PC.

本文言語English
ホスト出版物のタイトルProceedings - ECUMN 2007
ホスト出版物のサブタイトルFourth European Conference on Universal Multiservice Networks
ページ135-144
ページ数10
DOI
出版ステータスPublished - 2007 8 2
外部発表はい
イベントECUMN 2007: Fourth European Conference on Universal Multiservice Networks - Toulouse, France
継続期間: 2007 2 142007 2 16

出版物シリーズ

名前Proceedings - ECUMN 2007: Fourth European Conference on Universal Multiservice Networks

Other

OtherECUMN 2007: Fourth European Conference on Universal Multiservice Networks
CountryFrance
CityToulouse
Period07/2/1407/2/16

ASJC Scopus subject areas

  • Computer Networks and Communications

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