Browse > Article

IC-IPDL Method for Improving Hearability of Wireless Positioning System  

김상헌 (연세대학교 전기전자공학과 미디어·통신 신호처리 연구실)
정양석 (연세대학교 전기전자공학과 미디어·통신 신호처리 연구실)
윤대희 (연세대학교 전기전자공학과 미디어·통신 신호처리 연구실)
이충용 (연세대학교 전기전자공학과 미디어·통신 신호처리 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.27, no.2A, 2002 , pp. 109-115 More about this Journal
Abstract
We propose IC-IPDL method, in order to improve hearability which is the fundamental problem of cellular-based location systems. The proposed method improves hearability by using interference cancellation technique for CPICH and modified-IPDL method for other downlink channels. The simulation results showed that IC-IPDL method has a similar performance of the case using standard IPDL method though CPICH exists during idle period.
Keywords
Citations & Related Records
연도 인용수 순위
  • Reference
1 Ericsson, 'Method for Downlink Positioning (lP-DL),' Tdoc SMG2 UMTS-Ll 327/98, Sept. 1998
2 Motorola, 'General Description of TimeAligned IPDL,' TSGR2#R2-99h92, Nov. 1999
3 Samsung, 'The Performance enhancement of IPDL using Burst Pilot for LCS,' TSGR2#11 (00)142, Jan. 2000
4 정양석, 연명훈, 박준현, 유흥렬, 홍대식, 윤대희, 이충용, 'CDMA망에서 향상된 hearabil-ity을 갖는 무선 측위 시스템,' 통신학회논문지, vol. 26, no. 1B, pp. 52-58, 2001년 1월
5 T. Felhauer, 'Digital Signal Processing for Optimum Wideband Channel Estiamtion in the Presence of Noise,' lEE Proceedings-F, vol. 140, no. 3, June 1993
6 Henrik Asplund, Patrik Lundqvist and Jan-Erik Berg, 'A channel model for Positioning,' COST 259 TD(98)20, Feb. 1998
7 T. S. Rappaport, J. H. and B. D. Woerner, 'Position Location Using Wirless Communications on Highways of the Future,' IEEE Communication Magazine, Oct. 1996
8 Brendan Ludden and Luis Lopes, 'Celluar Based Location Technologies for UMTS: A comparison between IPDL and TA-IPDL,' Proc. of IEEE Vehicular Technology Conference, vol. 2, pp.1348 -1353, May 2000
9 James J. Caffery, Jr. and Gordon L. Stuber, 'Overview of Radiolocation in CDMA Cellular Systems,' IEEE Communications Magazine, April 1998
10 Jhong Sam Lee and Leonard E. Miller, CDMA Systems Engineering Handbook, Artech House Publishers, 1998