Overhead analysis in WiMAX-based IPTV systems

Author

Abdollahpouri, Alireza ; Wolfinger, Bernd E.

Author_Institution

Dept. of Comput. Sci. - TKRN, Univ. of Hamburg - Germany, Hamburg, Germany

fYear

2011

fDate

5-7 Oct. 2011

Firstpage

1

Lastpage

8

Abstract

Salient features supported by mobile WiMAX including high data rate, multicast support, guaranteed quality of service, scalability and so on makes it a promising access network for IPTV delivery. A WiMAX frame consists of data bursts and control fields. Control fields are encoded with the highest modulation and coding scheme with four repetitions in order to make sure that all the users can receive and decode them successfully. Therefore, overhead for transmitting control information has a significant impact on the overall capacity of the frame. We show by both simulation and analytical methods that with an appropriate combination of multicast and unicast TV channels and a smart scheduling policy, the total number of overhead slots can be minimized.

Keywords

IPTV; WiMax; encoding; modulation; multicast communication; quality of service; IPTV systems; control fields; mobile WiMAX; modulation and coding scheme; multicast TV channels; multicast support; overhead analysis; quality of service; smart scheduling policy; transmitting control information; unicast TV channels; Analytical models; Bandwidth; Downlink; IPTV; Unicast; WiMAX; IPTV; Mobile TV; Overhead analysis; WiMAX;

fLanguage

English

Publisher

ieee

Conference_Titel

Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT), 2011 3rd International Congress on

Conference_Location

Budapest

ISSN

2157-0221

Print_ISBN

978-1-4577-0682-0

Type

conf

Filename

6078941