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Myeongsu Han, Sungeun Lee, Sangmin Ro, Junghyun Kim, Takki Yu, Seungyoup Han and Daesik Hong, "Cooperative Diversity Performance for OFDM Transmission over Partially Jammed Channels", Int'l Journal of Elec. and Comm., July 2007
[Other Journals]
조회 60017
Status : | Published |
---|---|
Date : | 2007-07 |
Title : | Cooperative Diversity Performance for OFDM Transmission over Partially Jammed Channels |
Authors : | Myeongsu Han, Sungeun Lee, Sangmin Ro, Junghyun Kim, Takki Yu, Seungyoup Han and Daesik Hong |
Journal : | AEU - International Journal of Electronics and Communication |
Abstract : | Cooperative diversity is a transmission technique, where multiple terminals share their resources to form a virtual antenna array that realizes spatial diversity gain in a distributed fashion. In this paper, we focus on a performance evaluation for orthogonal frequency division multiplexing (OFDM) transmission in cooperative networks under partial-band jamming (PBJ) environments. We present a bit error rate (BER) analysis for a cooperative diversity system with amplifying-and-forward (AF) relays over partially jammed Rayleigh fading channels. In addition, a simple jamming mitigation technique, called relay-based sub-band shifting method, is proposed. Through this approach, each sub-band of the amplified OFDM symbol at the relay can be changed by the predefined shifting rule of each relay, and the jamming effects at the destination are partially removed. Simulation results show that the proposed method improves significantly the BER performance at a low signal-to-jamming ratio. |
URL : | http://www.sciencedirect.com/science/art...1107001343 |
Myeongsu Han, Sungeun Lee, Sangmin Ro, Junghyun Kim, Takki Yu, Seungyoup Han, Daesik Hong, Cooperative diversity performance for OFDM transmission over partially jammed channels, AEU - International Journal of Electronics and Communications, Volume 62, Issue 6, 2 June 2008, Pages 464-471, ISSN 1434-8411, 10.1016/j.aeue.2007.05.012. (http://www.sciencedirect.com/science/article/pii/S1434841107001343) Keywords: Cooperative diversity; Amplify-and-forward relaying; Partial-band jamming; OFDM systems
Related Publications
- International Conference Group-Wise Distributed Space-Time-Frequency Coded OFDM over Asymmetric Frequency-Selective AF Relay Channels
- International Journals Kyungchul Kwak, Sungeun Lee, and Daesik Hong, "The Role of Phase Compensation in Preventing Channel Dispersion in Variable Gain Relay OFDM Systems," IEEE Trans. Veh. Technol., Feb 2010
- International Journals Jemin Lee, Hano Wang and Daesik Hong, "QoS-guaranteed Transmission Mode Selection for Efficient Resource Utilization in Multi-hop Cellular Networks", IEEE Trans. Wireless Comm., Oct 2008
- International Conference Jemin Lee, Hano Wang, Sungmook Lim and Daesik Hong, "A Multi-hop User Admission Algorithm for Fixed Relay Stations with Limited Capabilities in OFDMA Cellular Networks", PIMRC 2007, Sep. 2007
- International Conference Myeongsu Han, Sungeun Lee, Junghyun Kim, Seungyoup Han and Daesik Hong, "Cooperative Diversity using Relay-based Sub-band Shifting Method for OFDM Transmission over Partially Jammed Channels", ITC-CSCC, July 2007
- International Conference Jemin Lee, Sungsoo Park, Hanho Wang and Daesik Hong, "QoS-guaranteed Transmission Scheme Selection for OFDMA Multi-hop Cellular Networks", ICC 2007, June 2007
- International Conference Hyonseok Kim, Hyunkee Min, Hanho Wang, Youngju Kim and Daesik Hong, "Asymmetric Pilot Subcarrier Allocation for OFDMA-Based Regenerative Dual-Hop Links", IEEE VTC, April 2007
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