Frequency Offset Interference Canceller for Multi-Link Transmission in OFDM Systems

It is important to improve a cell-edge throughput of next generation mobile communication systems. Frequency reuse schemes such as three-cell reuse or fractional frequency reuse are suitable for achieving this goal. Another candidate is multi-link transmission; signals on different sub-carriers from adjacent base stations are received by a mobile. However, the orthogonality of these signals can collapse if a frequency offset between adjacent base stations is excessive; this loss triggers adjacent-channel interference. This paper proposes an interference canceller to solve this problem and confirms the effectiveness of the method through numerical analysis and computer simulations.

[1]  Bijan Jabbari,et al.  Performance analysis of a multilink packet access for next generation wireless cellular systems , 1998, Ninth IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (Cat. No.98TH8361).

[2]  B. Jabbari,et al.  Multiple link packet access for wireless cellular networks , 1998, ICUPC '98. IEEE 1998 International Conference on Universal Personal Communications. Conference Proceedings (Cat. No.98TH8384).

[3]  Bijan Jabbari,et al.  Modeling and performance of a multilink packet access for wireless cellular systems , 2001, 2001 MILCOM Proceedings Communications for Network-Centric Operations: Creating the Information Force (Cat. No.01CH37277).

[4]  Gábor Fodor.  Performance Analysis of a Reuse Partitioning Technique for OFDM Based Evolved UTRA , 2006, 200614th IEEE International Workshop on Quality of Service.

[5]  Andrea Goldsmith,et al.  Wireless Communications , 2005, 2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS).

[6]  Saleh Faruque.  High capacity cell planning based on fractional frequency reuse with optimum trunking efficiency , 1998, VTC '98. 48th IEEE Vehicular Technology Conference. Pathway to Global Wireless Revolution (Cat. No.98CH36151).

[7]  Teruya Fujii,et al.  A Study on Frequency Offset Interference Canceller for Multi-Link Transmission in OFDM Systems , 2008, VTC Spring 2008 - IEEE Vehicular Technology Conference.

[8]  S.W. Halpern.  Reuse partitioning in cellular systems , 1983, 33rd IEEE Vehicular Technology Conference.

[9]  Frank H. P. Fitzek,et al.  Subcarrier assignment for OFDM based wireless networks using multiple base stations , 2005, IEEE International Conference on Communications, 2005. ICC 2005. 2005.