Robust Beamforming for OFDM Modulated Two-Way MIMO Relay Network. (May 2012) Jianwei Zhou, B.S., University of Hawaii at Manoa Chair of Advisory Committee: Shuguang Cui This thesis studies a two-way relay network (TWRN), which consists of two single antenna source nodes and a multi-antenna relay node. The source nodes exchange information via the assistance of the relay node in the middle. The ...

In this paper, we proposed a novel MIMO relaying system with phase control in the relay node. In this proposed scheme, we enhance the depleted eigenpath of MIMO E-SDM transmission. We indicate the effectiveness of proposed method through computer simulation.

Bidirectional relay communication has attracted the research community due to its high bandwidth efficiency. Space Shift Keying (SSK) modulation is a promising Multiple-Input– Multiple-Output (MIMO) technique in which only a single antenna is activated for transmission at any time instant and the index of this active antenna is used to convey information. In this paper, Physical Layer Network C...

We consider a general multiple antenna network with multiple sources, multiple destinations and multiple relays in terms of diversity-multiplexing tradeoff (DMT). We examine several projections of this most general problem taking into account the network geometry (clustered or non-clustered), the processing capability of the relays (half-duplex or full-duplex) and the number of antennas the nod...

This contribution addresses the problem of measuring frame latency in ATM switches. The frames consisting of several ATM cells may arrive with numerous gaps between cells. It is important that the gaps present in the input stream be not counted towards the switch's contribution to the frame delay. The proposed solution called "MIMO" (Message-In Message-Out) latency improves upon FILO (First-In ...

In this paper we define the deterministic capacity of a network. The deterministic capacity is defined by restricting nodes to transmitting (asymptotically) deterministic functions of the messages in the network. It can be seen as an upper bound on the set of rates achieved by all possible decodeforward coding schemes, in an abstract sense. A key advantage of the deterministic capacity is that ...

This paper considers the multi-input multi-output (MIMO) relay channel where multiple antennas are employed by each terminal. Compared to single-input singleoutput (SISO) relay channels, MIMO relay channels introduce additional degrees of freedom that allow for partial cooperation between the transmitter and the relay. A partial cooperation strategy that combines transmit-side message splitting...

This paper studies the effectiveness of relaying for interference mitigation in an interference-limited communication scenario. We are motivated by the observation that in a cellular network, a relay node placed at the cell-edge observes intercell interference that is correlated with intended receiver’s interference. A relaying link can effectively allow their antennas to be pooled together for...

With the objective of improving the spectral efficiency and coverage homogeneity of wireless cellular systems in the downlink, we investigate how to take advantage of two promising transmission technologies envisioned in current standards: network-MIMO and relay stations (RSs). It is assumed that half-duplex RSs are deployed in a cellular system, where the duration of the relay-receive and the ...