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논문 기본 정보

자료유형
학술저널
저자정보
Fan Tingting (Beijing Jiaotong University) Yang Wei (Beijing Jiaotong University) Xu Changlong (Beijing Jiaotong University) Young-il Kim (Electronics and Telecommunications Research Institute)
저널정보
ICT플랫폼학회 JOURNAL OF PLATFORM TECHNOLOGY JOURNAL OF PLATFORM TECHNOLOGY VOL.3 NO.4
발행연도
2015.12
수록면
19 - 28 (10page)

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초록· 키워드

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In this paper, the information transmission rate upper bound of Han and Kobayashi(HK) scheme for real interference system with M-QAM modulation is studied when the system is on weak interference region. A new common bit transmission rate upper bound is derived by a proposed constellation point minimal distance inequality method. For a two-user symmetric interference channel, the different message sending and receiving procedures between strong and weak interference region are taken into considerations in the proposed method, therefore, the new information transmission rate upper bound is more rational than that obtained by direct swapping method in previous paper. Deductions and simulations show that, the new upper bound only differs with the upper bound using direct swapping method on low signal to noise ratio(SNR) region within 1bits/s/Hz, but can achieve two times the upper bound of two-user orthogonal system on high SNR region. Meanwhile, the new upper bound stays the same with different system error probability when the error probability is small, and differs only on low SNR region within 1bits/s/Hz when error probability is large.

목차

Abstract
1. Introduction
2. Two-user M-QAM interference system model with HK scheme
3. Information transmission rate upper bound on weak interference region
4. Simulations
5. Conclusions
6. Acknowledgment
7. References

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