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Interference-cancellation-based IPDL method for position location in WCDMA systems

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3 Author(s)
Sangheon Kim ; Dept. of Electr. & Electron. Eng., Yonsei Univ., Seoul, South Korea ; Yangseok Jeong ; Chungyong Lee

An interference-cancellation-based idle period downlink (IC-IPDL) method is proposed to improve hearing in mobile-positioning systems. While the IPDL method ceases all transmissions in the serving base station during short intervals, the proposed IC-IPDL method maintains common pilot channel (CPICH) during an idle period to provide better stability to the wireless communication systems. Instead, CPICH is cancelled out in a mobile by using interference-cancellation techniques. The performances of the proposed method and the IPDL method are theoretically analyzed and the analyses are verified through computer simulations.

Published in:

IEEE Transactions on Vehicular Technology  (Volume:54 ,  Issue: 1 )