Patent
Multi-cell interference alignment algorithm based on interference suppression and capacity improvement
Li Jiandong,Dong Quan,Chen Rui,Zhao Linjing,Yan Jilei,Li Zhao,Huang Jinjing,Liu Wei,Sheng Min,Li Hongyan +9 more
- 24 Jun 2015
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TL;DR: In this paper, a multi-cell interference alignment algorithm based on interference suppression and capacity improvement is proposed to solve the problem that traditional interference alignment method can not improve the over-all speed of a network greatly.
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Abstract: The invention discloses a multi-cell interference alignment algorithm based on interference suppression and capacity improvement and mainly solves the problem that a traditional interference alignment method can not improve the over-all speed of a network greatly The algorithm comprises the specific procedures of 1, initializing a pre-coding matrix V [l] (l=1, , L) of a base station in a cell; 2, establishing an optimization objective with the maximum speed, and obtaining a decoding matrix U [lk] (l=1, , L, k=1, , K); 3, after obtaining the decoding matrix U [lk], obtaining the pre-coding matrix V [l]; 4, repeating the step 2 and the step 3 circularly until convergence or the maximum iterations are achieved By means of the algorithm, the over-all speed of the network can be improved greatly, and the algorithm can be used for the design of a multi-cell interference alignment transmitter-receiver as well as the design of the transmitter-receiver of multiple-input-multiple-output communication system interference alignment
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Citations
Patent
Interference eliminating method combining base station and user association
Liu Wei,Cai Jing,Li Jiandong,Huang Pengyu,Liu Qin +4 more
- 10 Aug 2016
TL;DR: In this article, an interference elimination method combining base station and user association is proposed, and the method mainly solves the problem that conventional interference elimination technology only solves the freedom degree problem.
1
References
Coordinated Beamforming With Relaxed Zero Forcing: The Sequential Orthogonal Projection Combining Method and Rate Control
TL;DR: The RZF framework is extended to MIMO interference channels by deriving a new lower bound on the rate of each user and a centralized approach and a distributed heuristic approach are proposed to control the position of the designed rate-tuple in the achievable rate region.
Patent
Power allocation method for wireless communication system, apparatus for same, and transceiver device using this form of signal transmission
Kyoungmin Park,Kibum Kwon,Sungjin Suh +2 more
- 23 Jun 2010
TL;DR: The present specification relates to a wireless communication system, and more particularly, discloses allocation of power in a wireless communications system as discussed by the authors, where the authors propose a power allocation scheme for wireless communication systems.
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Patent
Multiple cell interference alignment iterative algorithm based on beam forming
Wang Desheng,Xu Zhudi,Bo Yang,Tian Keliang,Ma Xuan,Li Wei +5 more
- 14 Aug 2013
TL;DR: In this article, a multiple-cell interference alignment iterative algorithm based on beam forming is proposed, which includes the following steps: step 1, building an initializing emission matrix of all base stations; step 2, calculating the total interference from other cells based on all users from each cell; step 3, finding out a receiving matrix of each user as per the total interferences outside other cells and received by each user, and selecting the characteristic value vector corresponding to d maximum characteristic values in the total interference as the receiving vector of the user, wherein d is the number of
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