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Bandwidth-efficient cooperative MIMO relaying schemes.doc
Bandwidth-efficient cooperative MIMO relaying schemes??Original Research Article Computers Electrical Engineering Coded cooperative MIMO relaying schemes in which all successfully decoded signals from multiple sources are simultaneously forwarded by a multi-antenna relay to a common multi-antenna destination to increase bandwidth efficiency are proposed in this paper. These schemes facilitate the various retransmission strategies at relay and single-user and multi-user iterative decoding techniques at destination, suitable for trade-offs between performance, latency, and complexity. When channel state information (CSI) is available, pre-coding and power allocation at the relay can be exploited to enhance the information transmission reliability over the relay-destination channel, thus improving the overall system performance. Simulation result shows their superiority to direct transmission under the same transmit power and bandwidth efficiency. Article Outline 1. Introduction 2. Cooperative MIMO relaying schemes 2.1. Signal detection and retransmission at relay 2.2. Signal detection at destination 3. Illustrative results 4. Conclusion References Static and dynamic performance evaluation of a commercially-available ultra wideband tracking system??Original Research Article Automation in Construction Graphical Abstract Locating and tracking resources (e.g., people, equipment, and materials) is critical in many industrial applications for monitoring productivity and safety. In construction, various technologies (e.g., global positioning systems (GPS), radio frequency identification (RFID) and radio frequency (RF) localization) have been proposed. However, their performance is not well understood for this particular application. This paper presents a study for evaluating the static and dynamic performance of a commercially-available ultra wideband (UWB) tracking system in free space and under realistic construction environments. In addition, a static performance model
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