Title :
Initial Ranging for WiMAX (802.16e) OFDMA
Author :
Mahmoud, Hisham A. ; Arslan, Huseyin ; Ozdemir, Mehmet Kemal
Author_Institution :
Dept. of Electr. Eng., Univ. of South Florida, Tampa, FL
Abstract :
Ranging is one of the most important processes in the new mobile WiMAX standard. Power adjustment, timing offset estimation, and synchronization between a base station (BS) and all users within a cell are done through the ranging process known as initial ranging. In this paper we discuss the details of initial ranging and some of the proposed algorithms as well as a novel algorithm to carry out a successful ranging process. Performance curves and computational complexity comparisons will be presented. It is observed that the proposed algorithm offers a better trade-off between computational complexity and performance
Keywords :
OFDM modulation; WiMax; computational complexity; frequency division multiple access; 802.16e; OFDMA; base station; computational complexity; initial ranging; mobile WiMAX standard; orthogonal frequency division multiple access; power adjustment; ranging process; synchronization; timing offset estimation; Accuracy; Bandwidth; Broadcasting; Delay estimation; Frequency synchronization; Local area networks; OFDM modulation; Physical layer; Timing; WiMAX;
Conference_Titel :
Military Communications Conference, 2006. MILCOM 2006. IEEE
Conference_Location :
Washington, DC
Print_ISBN :
1-4244-0617-X
Electronic_ISBN :
1-4244-0618-8
DOI :
10.1109/MILCOM.2006.302240
