A robust scheme in downlink synchronization and initial cell search for 3GPP LTE system
作者： Lih-Chang Wung , Yung-Chuan Lin , Yun-Jhen Fan , Szu-Lin Su
DOI: 10.1109/ISWPC.2011.5751336
关键词:
摘要: In cellular communication systems the mobile station (MS) must be able to perform initial synchronization and search for a base set up downlink access. This process is called cell search. To accomplish operations, two signals, primary signal (PSS) secondary (SSS), are periodically transmitted from in 3GPP LTE (Long Term Evolution) system. It announced OFDM applied transmission network. However, sensitive error, such as carrier frequency offset (CFO). CFO, which exists between transmitter receiver, causes loss of orthogonality among subcarriers inter-carrier interference (ICI), thus degrades system performance. this paper all procedures specified. An innovative processing algorithm PSS, including theoretical analysis deduction, provided. Most important all, proposed scheme evaluate integer (ICFO) more accurately improve detection error rate effectively. Comparisons existing ones illustrated simulation results.
sci-hub.se 参考文章(8)
Moray Rumney, None, LTE and the Evolution to 4G Wireless: Design and Measurement Challenges Agilent Technologies. ,(2013) , 10.1002/9781118799475
Hiroshi Ochi, Hendra Setiawan, A low complexity physical-layer identity detection for 3GPP Long Term Evolution international conference on advanced communication technology. ,vol. 1, pp. 8- 13 ,(2010)
Konstantinos Manolakis, David Manuel Gutierrez Estevez, Volker Jungnickel, Wen Xu, Christian Drewes, A Closed Concept for Synchronization and Cell Search in 3GPP LTE Systems wireless communications and networking conference. pp. 616- 621 ,(2009) , 10.1109/WCNC.2009.4917491
Shaodan Ma, Xinyue Pan, Guang-Hua Yang, Tung-Sang Ng, Blind Symbol Synchronization Based on Cyclic Prefix for OFDM Systems IEEE Transactions on Vehicular Technology. ,vol. 58, pp. 1746- 1751 ,(2009) , 10.1109/TVT.2008.2004031
B.M. Popovic, F. Berggren, Primary Synchronization Signal in E-UTRA international symposium on spread spectrum techniques and applications. pp. 426- 430 ,(2008) , 10.1109/ISSSTA.2008.85
J.J. van de Beek, M. Sandell, P.O. Borjesson, ML estimation of time and frequency offset in OFDM systems IEEE Transactions on Signal Processing. ,vol. 45, pp. 1800- 1805 ,(1997) , 10.1109/78.599949
D. Chu, Polyphase codes with good periodic correlation properties (Corresp.) IEEE Transactions on Information Theory. ,vol. 18, pp. 531- 532 ,(1972) , 10.1109/TIT.1972.1054840
Pei-Yun Tsai, Hsiang-Wei Chang, A new cell search scheme in 3GPP long term evolution downlink, OFDMA systems international conference on wireless communications and signal processing. pp. 1- 5 ,(2009) , 10.1109/WCSP.2009.5371421