Simultaneous Transmission of MAP IE and Data for Minimizing MAC Overhead in the IEEE 802.16e OFDMA Systems

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An advanced MAP transmission scheme for improving Media Access Control(MAC) overhead in the IEEE 802.16e systems is proposed. In the IEEE 802.16e system, when a Base Station(BS) broadcasts a MAP message, which is a control message about scheduling information, it applies a robust Modulation and Coding Scheme(MCS) level and allocates a large amount of radio resources, which induce a huge MAP overhead. Our proposed scheme utilizes piggybacked MAP IEs, in which control messages are concatenated with data packets and transmitted with the MCS level applied to data transmission. Due to the fact that the rate at which data is transmitted is generally higher than the rate at which broadcasting messages are transmitted, the proposed scheme can increase average data rate of a MAP transmission and consequently reduce the amount of resources allocated to the MAP transmission. Numerical analysis and simulations are presented to show that the MAP overhead is critical to system performance and can be improved by the proposed scheme.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2009-11
Language
English
Article Type
Article
Citation

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, v.8, no.11, pp.5431 - 5435

ISSN
1536-1276
DOI
10.1109/TWC.2009.090025
URI
http://hdl.handle.net/10203/17015
Appears in Collection
EE-Journal Papers(저널논문)
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