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Details of Grant 

EPSRC Reference: EP/C525809/1
Title: Distributed Wireless Communication Systems
Principal Investigator: Dohler, Professor M
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Department: Centre for Telecommunications Research
Organisation: Kings College London
Scheme: First Grant Scheme Pre-FEC
Starts: 01 April 2005 Ends: 31 March 2008 Value (£): 124,696
EPSRC Research Topic Classifications:
Networks & Distributed Systems RF & Microwave Technology
EPSRC Industrial Sector Classifications:
No relevance to Underpinning Sectors
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Summary on Grant Application Form
A functioning wireless system requires an electromagnetic wave to travel between a transmitting antenna and a receiving antenna. The medium inbetween the two antennas, also referred to as the wireless channel, usually distorts the signal in such a way that a correct detection becomes very difficult or even impossible. If we use T multiple antennas at the transmitter and R multiple antennas at the receiver instead, then we create T*R channels which enhances our chances of detecting the signal properly. This in turn allows us to send more symbols in the same time as compared to a single antenna system, therefore increasing the data rate (capacity). It is obvious that a mobile terminal cannot accommodate multiple antennas due to constraints in space and battery life. On the other hand, we can observe that the density of single antenna mobile terminals has increased over the years, i.e. the average distance between the users has drastically decreased. This would allow a mobile terminal user to communicate with adjacent users terminals at almost no expense in additional power, thereby virtually creating multiple receive and/or transmit antenna arrays.The main idea of this proposal is hence to investigate theoretically and practically the potentials of such distributed communication scheme. This is done by means of algorithmic developments as well as implementation into a hardware test equipment. As an output we expect assessments in terms of theoretical performance and practical implementability, and a novel class of algorithms which allow one to use such schemes in an optimummanner. We also expect the distributed schemes to outperform the traditional wireless communication systems which, practically speaking, would allow more users to be served, or higher data rates to be achieved, or less transmission power to be used, or less base stations to be deployed. Any of this is clearly a benefit to operators, end-users, environment, and the society in general.
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