Now showing items 1-13 of 13

    • Capacity of a modulo-sum arbitrary SISO relay network 

      Sagar, Youvaraj T.; Yang, Jie; Kwon, Hyuck M. (IEEE, 2012-05)
      This paper shows how to obtain the capacity of modular additive noise of an arbitrary single-input-single-output (SISO) relay network. The arbitrary SISO relay network is a network where the relays are interconnected with ...
    • Centralized two-way AF MIMO multiple dispersed relay network 

      Lee, Kanghee; Yang, Jie; Kwon, Hyuck M.; Park, Hyuncheol; Lee, Yong H. (IEEE, 2015-05-12)
      This paper considers a two-way amplify-and-forward (AF) multiple-input multiple-output (MIMO) relay network consisting of two sources (each with multiple antennas) and multiple physically dispersed single-antenna relays. ...
    • Channel capacities of parallel and serial modulo-sum relay networks 

      Sagar, Youvaraj T.; Yang, Jie; Kwon, Hyuck M. (IEEE, 2011-07-31)
      This paper presents channel capacities of parallel and serial modulo-sum relay networks. A parallel relay network consists of one source, multiple relays in parallel, and one destination node. A serial relay network consists ...
    • Closed form of optimum cooperative distributed relay amplifying matrix 

      Lee, Kanghee; Yang, Jie; Kwon, Hyuck M.; Park, Hyuncheol; Lee, Yong H. (IEEE, 2014-05)
      This paper presents a closed form of an optimal cooperative amplify-and-forward (AF) relay amplifying matrix for a distributed relay network of M-source-M-destination pairs and N relays, called a cooperative distributed ...
    • Comments on "Distributed MMSE Relay Strategies for Wireless Sensor Networks" 

      Lee, Kanghee; Yang, Jie; Kwon, Hyuck M. (IEEE, 2014-07-15)
      Correction of a typographical error found in equation in the article “Distributed MMSE Relay Strategies for Wireless Sensor Networks.”
    • Distributed AF mobile relay networks in adverse wireless communication environments 

      Lee, Kanghee; Kwon, Hyuck M.; Yang, Jie; Sawan, M. Edwin; Park, Hyuncheol; Lee, Yong H. (IEEE, 2013)
      This paper addresses a more practical relay network consisting of a mobile source, multiple distributed mobile amplify-and-forward (AF) relays, and a mobile destination node. It considers an appropriate channel model between ...
    • MMSE relaying strategies under jamming, channel uncertainty, node geometry, and power constraint 

      Lee, Kanghee; Kwon, Hyuck M.; Yang, Jie; Sawan, M. Edwin; Park, Hyuncheol; Lee, Yong H. (IEEE, 2013)
      An amplify-and-forward (AF) relay network has been studied extensively, but a closed form of an optimal AF relaying matrix is not available yet for the distributed AF relay network with the destination power constraint ...
    • MMSE relaying strategy for two-way amplify-and-forward wireless networks 

      Lee, Kanghee; Kwon, Hyuck M.; Yang, Jie; Sawan, M. Edwin; Park, Hyuncheol; Lee, Yong H. (IEEE, 2013)
      This paper studies amplify-and-forward (AF) relay strategies for two-way wireless relay networks consisting of two sources with a single antenna and multiple relays with a single antenna. The closed form of relay amplifying ...
    • On sequence design for relay networks with multipath 

      Yang, Jie; Lee, Kanghee; Sagar, Youvaraj T.; Kwon, Hyuck M. (IEEE, 2013)
      A method for a spreading sequence design based on signal-to-interference-plus-noise ratio (SINR) is presented in this paper. It considers the relay channel where sources communicate with the receiver via relays under ...
    • Power allocation for AF relaying network under channel phase misalignment 

      Lee, Kanghee; Kwon, Hyuck M.; Yang, Jie; Sawan, M. Edwin; Park, Hyuncheol; Lee, Yong H. (IEEE, 2013)
      This paper studies both cooperative and noncooperative amplify-and-forward (AF) wireless relay strategies with power constraints at the source and at the relays. The main objective is to design jointly and iteratively the ...
    • Spreading sequence design for relay networks under multipath fading 

      Yang, Jie (Wichita State University, 2014-05)
      Multipath frequency-selective fading can degrade the performance of a wireless communication system significantly as the data rate increases, e.g., when the data rate is as high as those of systems beyond long-term evolution ...
    • Spreading sequence system for full connectivity relay network 

      Kwon, Hyuck M.; Yang, Jie; Pham, Khanh D. (United States Patent and Trademark Office, 2018-04-24)
      Fully connected uplink and downlink fully connected relay network systems using pseudo-noise spreading and despreading sequences subjected to maximizing the signal-to-interference-plus-noise ratio. The relay network systems ...
    • Spreading-sequence design for partially connected multirelay networks under multipath fading 

      Yang, Jie; Kwon, Hyuck M.; Mukherjee, Amitav; Pham, Khanh D. (IEEE, 2016-03)
      Multipath fading can degrade the performance of a wireless communication system significantly when the data rate is as high as those systems beyond Long-Term Evolution Advanced (LTE-A). To combat the multipath-fading ...