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Research Group Communications Engineering - Project Description

Cooperative Routing

In recent years the economic importance of wireless communication networks has increased dramatically. Besides the traditional cellular mobile networks also mesh networks are a major research area since many years. Many studies in this field deal with either the route finding on OSI layer 3 or with cooperative transmission methods at the physical level. Only few studies have dealt with finding cooperative routes in mesh networks. In this joint project cooperative routing methods are to be developed that determine suitable routes through a network, based on cooperation at the physical level. For that purpose an optimization problem has to be tackled that covers OSI layers 1-3 and that is NP-hard in many cases. As part of this project suboptimal but efficient algorithms have to be found that work for in either centralized or decentralized networks. For a comprehensive evaluation of the performance of cooperative techniques, the signaling overhead has to be analyzed and appropriate protocols have to be found.


Schedler, S.; Kühn, V.:
Resource Allocation for Distributed Beamforming with Multiple Relays and Individual Power Constraints. The Eleventh International Symposium on Wireless Communication Systems (ISWCS'2014), Barcelona, Spain, 2014
Ali, T. J.; Schedler, S.; Kühn, V.:
Energy Minimisation in Wireless Multi-Hop Network with Mutual-Information Accumulation. The Tenth International Symposium on Wireless Communication Systems 2013 (ISWCS 2013), pp. 331-335, Ilmenau, Germany, 2013
Schedler, S.; Kühn, V.:
Power and Rate Optimisation for Multi-Hop Networks and DF with Incremental Redundancy. IEEE VTS 77th Vehicular Technology Conference (VTC 2013 Spring), Dresden, Germany, 2013
Ali, T. J.; Kühn, V.:
Exploiting Wireless Broadcast Advantage for Routing in Static Networks. 9th International ITG Conference on Systems, Communications and Coding (SCC'2013), Munich, Germany, 2013