A CP Detection Based SSS Detection Method for Initial Cell Search in 3GPP LTE FDD/TDD Dual Mode Downlink Receiver 


Vol. 35,  No. 1, pp. 113-122, Jan.  2010


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  Abstract

In this paper, we propose a CP (Cyclic Prefix) detection based SSS (Secondary Synchronization Signal) detection method for initial cell search in 3GPP LTE (3rd Generation Partnership Project Long Term Evolution) FDD/TDD (Frequency Division Duplex/Time Division Duplex) dual mode downlink receiver. In general, a blind coherent SSS detection method which can detect SSS without CP detection is applied. However, coherent detection method caused performance degradation by channel compensation error at high speed environment because it uses estimated CFR (Channel Frequency Response) at PSS (Primary Synchronization Signal), and it can be more serious problem in TDD mode due to increased distance between PSS and SSS. Also blind detectionhas the drawback of high computational complexity. Therefore, we proposed a CP type pre-decision structure with non-coherent SSS detection which has stable operation in high speed channel environments for 3GPP LTE TDD mode as well as FDD mode, and can reduce computational complexity by applying CP detection before SSS detection. Simulation results show that the proposed method has stable operation for 3GPP LTE TDD/FDD dual mode downlink receiver in various channel environments.

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  Cite this article

[IEEE Style]

J. Kim, J. Jang, H. Choi, "A CP Detection Based SSS Detection Method for Initial Cell Search in 3GPP LTE FDD/TDD Dual Mode Downlink Receiver," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 1, pp. 113-122, 2010. DOI: .

[ACM Style]

Jung-In Kim, Jun-Hee Jang, and Hyung-Jin Choi. 2010. A CP Detection Based SSS Detection Method for Initial Cell Search in 3GPP LTE FDD/TDD Dual Mode Downlink Receiver. The Journal of Korean Institute of Communications and Information Sciences, 35, 1, (2010), 113-122. DOI: .

[KICS Style]

Jung-In Kim, Jun-Hee Jang, Hyung-Jin Choi, "A CP Detection Based SSS Detection Method for Initial Cell Search in 3GPP LTE FDD/TDD Dual Mode Downlink Receiver," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 1, pp. 113-122, 1. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880