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Conference Paper
Co-Channel Interference Cancellation in OFDMA System
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- Authors
- Kwanwoong Ryu, Joon-Young Jung, Han-Jae Im
- Issue Date
- 2020-09
- Citation
- Asia-Pacific Network Operations and Management Symposium (APNOMS) 2020, pp.255-258
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- This paper proposes a co-channel interference (CCI) reduction scheme for cell edge users in OFDM systems using same frequency. The proposed scheme includes a joint channel-estimation method with interpolated sliding window (JCE-ISW) and a joint detection with QRM-MLD based on the maximum interference selection cancellation (QRM-MLD-MIS C). The proposed method, which is a pilot-based channel estimation method, utilizes an interpolated sliding window method to reduce the influence of CCI on channel estimation. The proposed detection scheme is a joint detection with QRM-MLD-MISC. The simulation results show the performance improvement of the proposed method compared with that of conventional methods.
- KSP Keywords
- Cell-Edge, Channel estimation(CE), Conventional methods, Detection scheme, Estimation method, Interference cancellation, Joint detection, OFDM systems, Pilot-based channel estimation, QRM-MLD, Sliding window method