A novel contention period control algorithm to improve throughput in HFC networks

Author

Lo, Chih-Cheng ; Lai, Hung-Chang ; Chen, Wen-Shyen E.

Author_Institution

Inst. of Comput. Sci., Nat. Chung-Hsing Univ., Taichung, Taiwan

Volume

1

fYear

2003

fDate

7-10 Sept. 2003

Firstpage

84

Abstract

The deployment of the hybrid fiber/coax (HFC) network has becomes ubiquitous to provide broadband services to the home. Due to the asymmetric natural of HFC network - the downstream bandwidth is substantially much larger than that of the upstream; therefore the upstream channel is critical to allocating and scheduling. In this paper, we propose a novel contention period control algorithm that incorporates bandwidth prediction capability in HFC networks to improve the utilization and throughput of the upstream bandwidth. Through simulations, we show that in all the cases studied in the paper, our adaptive method performs better than the MCNS DOCSIS.

Keywords

access protocols; bandwidth allocation; broadband networks; optical fibre subscriber loops; telecommunication channels; telecommunication services; HFC networks; adaptive method; bandwidth prediction capability; broadband services; contention period control algorithm; hybrid fiber/coax network; upstream channel; Bandwidth; Cable TV; Communication cables; Digital video broadcasting; Hybrid fiber coaxial cables; Intelligent networks; Media Access Protocol; Multimedia systems; Throughput; Traffic control;

fLanguage

English

Publisher

ieee

Conference_Titel

Personal, Indoor and Mobile Radio Communications, 2003. PIMRC 2003. 14th IEEE Proceedings on

Print_ISBN

0-7803-7822-9

Type

conf

DOI

10.1109/PIMRC.2003.1264237

Filename

1264237