成果/Result
- An Analysis of the Tradeoff Between the Energy and Spectrum Efficiencies in an Uplink Massive MIMO-OFDM System被引量：35收藏
- 作者：Zhao, Long Li, Ke Zheng, Kan Ahmad, M. Omair
- 机构：Beijing Univ Posts & Telecommun;Beijing Union Univ;Concordia Univ
- 来源：IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS 2015
- 关键词：Energy efficiency (EE) massive multiple-input-multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) maximum ratio combination (MRC) spectrum efficiency (SE) zero-forcing (ZF)
- An Improved Multicell MMSE Channel Estimation in a Massive MIMO System被引量：17收藏
- 作者：Li, Ke Song, Xiaoqin Ahmad, M. Omair Swamy, M. N. S.
- 机构：Beijing Union Univ;Nanjing Univ Aeronaut & Astronaut;Concordia Univ
- 来源：INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION 2014
- 关键词：Energy efficiency - Large scale systems - MIMO systems
- Modelling and Analysis of Regional Service Behavior Properties of Mobile Internet Applications被引量：4收藏
- 作者：Li, Ke Xu, Xiaolong Swamy, M. N. S.
- 机构：Beijing Union Univ;Concordia Univ
- 来源：IEEE ACCESS 2017
- 关键词：Traffic model mobile Internet application service behavior crowd sourcing
- Clustering algorithm for audio signals based on the sequential Psim matrix and Tabu Search被引量：4收藏
- 作者：Li, Wenfa Wang, Gongming Li, Ke
- 机构：Beijing Union Univ;Chinese Acad Sci
- 来源：EURASIP JOURNAL ON AUDIO SPEECH AND MUSIC PROCESSING 2017
- 关键词：Audio signal clustering Sequential Psim matrix Tabu Search Heuristic search K-Medoids Spectral clustering
- A Fast Anti-jamming Decision Method Based on the Rule-Reduced Genetic Algorithm被引量：2收藏
- 作者：Jin Hui Song Xiaoqin Wang Miao Niu Yingtao Li Ke
- 机构：Nanjing Univ Aeronaut & Astronaut;Nanjing Univ Aeronaut & Astronaut;Nanjing Telecommun Inst;Beijing Union Univ
- 来源：KSII TRANSACTIONS ON INTERNET AND INFORMATION SYSTEMS 2016
- 关键词：anti-jamming rough set theory genetic algorithm objective function
