Paper Title:
New Uplink Initial Ranging Scheme for IEEE 802.16e OFDMA Systems
  Abstract

Ranging is one of the most important processes in the uplink of the IEEE 802.16e OFDMA system. A ranging process includes the initial ranging, periodic ranging, handover ranging, and the contention bandwidth request. Initial ranging provides network entry, uplink synchronization, and system coordination. In the initial state of the transmission process, multiple users randomly transmit selected ranging code sets and BS identifies a specific user using the ranging code identification and uplink synchronization using the transmission delay estimation. In this paper, we discuss the details of the initial ranging and propose an algorithm to carry out a successful ranging process. The performance results and the comparison of computational complexity with the traditional method are also presented. It is noted the proposed algorithm can offer a better trade-off between computational complexity and performance.

  Info
Periodical
Edited by
Zhou Mark
Pages
1783-1787
DOI
10.4028/www.scientific.net/AMM.52-54.1783
Citation
C. S. Chen, W. H. Liu, H. N. Shou, Y. J. Ho, "New Uplink Initial Ranging Scheme for IEEE 802.16e OFDMA Systems", Applied Mechanics and Materials, Vols. 52-54, pp. 1783-1787, 2011
Online since
March 2011
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