Effect of introducing predictive CIR on throughput performance in HSDPA networks

Yan Zhang, Masato Uchida, Masato Tsuru, Yuji Oie

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Predicting wireless environment parameters as correctly and timely as possible is of practical importance to optimal resource allocation in wireless systems. For example, as the realtime wireless condition information is not available in reality due to delay, the latest historic wireless environment parameters are used to determine the users' instantaneous transmission rate in most of the existing systems in high-speed downlink packet access (HSDPA) networks. However, the wireless condition variation during this delay (e.g., 6ms) sometimes results in unsuitable determination of the instantaneous transmission rate and eventually influences the user and system performance. It is shown by simulation results that compared with using the ideal realtime wireless environment information, using the latest available historic information will introduce about 10%-15% throughput performance damage averagely. Therefore, in this paper, in order to mitigate such performance degradation, a simple linear prediction of the current wireless environment parameters is introduced. Simulation results demonstrate that nearly 10% improvement can be achieved under several well-known scheduling algorithms in a HSDPA network when the predictive environment parameter is applied to determine the instantaneous transmission rate.

Original languageEnglish
Title of host publication2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC
DOIs
Publication statusPublished - 2006
Externally publishedYes
Event2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC - Helsinki
Duration: 2006 Sep 112006 Sep 14

Other

Other2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC
CityHelsinki
Period06/9/1106/9/14

Fingerprint

Throughput
Scheduling algorithms
Resource allocation
Degradation

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Zhang, Y., Uchida, M., Tsuru, M., & Oie, Y. (2006). Effect of introducing predictive CIR on throughput performance in HSDPA networks. In 2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC [4022745] https://doi.org/10.1109/PIMRC.2006.253973

Effect of introducing predictive CIR on throughput performance in HSDPA networks. / Zhang, Yan; Uchida, Masato; Tsuru, Masato; Oie, Yuji.

2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC. 2006. 4022745.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Zhang, Y, Uchida, M, Tsuru, M & Oie, Y 2006, Effect of introducing predictive CIR on throughput performance in HSDPA networks. in 2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC., 4022745, 2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC, Helsinki, 06/9/11. https://doi.org/10.1109/PIMRC.2006.253973
Zhang Y, Uchida M, Tsuru M, Oie Y. Effect of introducing predictive CIR on throughput performance in HSDPA networks. In 2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC. 2006. 4022745 https://doi.org/10.1109/PIMRC.2006.253973
Zhang, Yan ; Uchida, Masato ; Tsuru, Masato ; Oie, Yuji. / Effect of introducing predictive CIR on throughput performance in HSDPA networks. 2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC. 2006.
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