TY - GEN
T1 - A low complexity method of initial ranging for IEEE 802.16e OFDMA systems
AU - Lin, Yung Chuan
AU - Su, Szu-Lin
AU - Wang, Hsin Chih
PY - 2009/7/10
Y1 - 2009/7/10
N2 - Ranging is one of the most important processes in the uplink of the IEEE 802.16e OFDMA system. A ranging process includes initial ranging, periodic ranging, handover ranging, and contention bandwidth request. Initial ranging provides network entry, uplink synchronization, and system coordination. In the initial state of the transmission process, multiple users transmit randomly selected ranging code sets and OS identifies a specific user by using the ranging code identification and uplink synchronization by using the transmission delay estimation. In this paper, we discuss the details of initial ranging and propose an algorithm to carry out a successful ranging process. Performance results and the comparison of computational complexity with the traditional method are also presented. It is observed that the proposed algorithm can otTer a better trade-otT between computational complexity and performance.
AB - Ranging is one of the most important processes in the uplink of the IEEE 802.16e OFDMA system. A ranging process includes initial ranging, periodic ranging, handover ranging, and contention bandwidth request. Initial ranging provides network entry, uplink synchronization, and system coordination. In the initial state of the transmission process, multiple users transmit randomly selected ranging code sets and OS identifies a specific user by using the ranging code identification and uplink synchronization by using the transmission delay estimation. In this paper, we discuss the details of initial ranging and propose an algorithm to carry out a successful ranging process. Performance results and the comparison of computational complexity with the traditional method are also presented. It is observed that the proposed algorithm can otTer a better trade-otT between computational complexity and performance.
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M3 - Conference contribution
AN - SCOPUS:67649871065
SN - 9788955191387
T3 - International Conference on Advanced Communication Technology, ICACT
SP - 1137
EP - 1141
BT - 11th International Conference on Advanced Communication Technology, ICACT 2009 - Proceedings
T2 - 11th International Conference on Advanced Communication Technology, ICACT 2009
Y2 - 15 February 2009 through 18 February 2009
ER -