Distributed Coding and Modulation for 2-hop Communication via Relays

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.advisor Knopp, Raymaond
dc.contributor.advisor Kaltenberger, Florian
dc.contributor.author Bhamri, Ankit
dc.date.accessioned 2012-03-12T07:26:37Z
dc.date.available 2012-03-12T07:26:37Z
dc.date.issued 2010
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/3322
dc.description.abstract The past few decades have seen tremendous growth in the field of wireless communication systems. At this juncture, just before the advent of the 4th Generation of mobile standards, the question asked is how to improve the system in terms of coverage, capacity and reliability for the cell-edge users in a cellular network. Providing answers to this question could result in a significant improvement in the average throughput of the cell. The main purpose of the thesis work is therefore to implement Cooperative Communication via Distributed System of Relays. This concept is derived from the combination of relaying technology and multiple antenna techniques used in MIMO systems. During this thesis work, two transmit diversity schemes: the Delay Diversity Scheme and the Distributed Alamouti Scheme are developed on a 3GPP LTE compliant platform described as the OpenAir Interface. The ultimate objective is basically to improve the system performance by exploiting macro-diversity gains obtained as a result of these schemes. In the process of this development, numerous challenging tasks are provided with efficient solutions and have been implemented. Moreover, the last but the most crucial task of the thesis is to develop an entirely new HARQ protocol for a distributed system of relays. The work has been carried out at Eurecom, France as an initial step to implement the aforementioned schemes on a real-time network. en
dc.format.extent 80
dc.format.mimetype application/pdf
dc.language.iso en en
dc.publisher Aalto University en
dc.publisher Aalto-yliopisto fi
dc.title Distributed Coding and Modulation for 2-hop Communication via Relays en
dc.type G2 Pro gradu, diplomityö fi
dc.contributor.school Elektroniikan, tietoliikenteen ja automaation tiedekunta fi
dc.subject.keyword 3GPP en
dc.subject.keyword cooperative communication en
dc.subject.keyword delay diversity en
dc.subject.keyword distributed alamouti en
dc.subject.keyword HARQ en
dc.subject.keyword macro-diversity en
dc.subject.keyword MIMO en
dc.subject.keyword OpenAir interface en
dc.identifier.urn URN:NBN:fi:aalto-201203131553
dc.type.dcmitype text en
dc.programme.major Tietoliikennetekniikka fi
dc.programme.mcode S-72
dc.type.ontasot Diplomityö fi
dc.type.ontasot Master's thesis en
dc.contributor.supervisor Hämäläinen, Jyri
dc.location P1 fi

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