Cooperative multi-hop transmission in wireless networks

@article{citeulike:2386900, abstract = {We consider various relaying strategies for wireless networks by comparatively examining direct transmission, conventional relaying, and the novel concepts of cooperative relaying. The latter build on two inherent benefits of relaying systems: the spatial diversity offered by the relay channel, and the ability to exploit the broadcast nature of the wireless medium. Studied cooperative protocols include adaptive decode-and-forward schemes as a simple extension of conventional store-and-forward relaying systems, and more complex decode-and-reencoding schemes that realize distributed coding strategies. We provide a unifying analysis for the tractable two-hop case, before extending the consideration to multi-hop scenarios. The analysis is conducted from the perspective of communication over fading channels under limited bandwidth, energy, and end-to-end delay; main parameters include propagation loss, network geometry, and targeted end-to-end spectral efficiency. Main results indicate that (i) cooperative relaying provides attractive benefits for wireless systems whenever temporal and frequency diversity are scarce or not exploited, (ii) using just two hops is reasonable for many practical scenarios, and (iii) the advantages of the studied relaying schemes decrease for higher desired end-to-end spectral efficiency.}, address = {New York, NY, USA}, author = {Herhold, Patrick and Zimmermann, Ernesto and Fettweis, Gerhard }, citeulike-article-id = {2386900}, doi = {http://dx.doi.org/10.1016/j.comnet.2005.05.009}, institution = {Vodafone Chair Mobile Communications Systems, Technische Universit\"{a}t Dresden, Dresden, Germany}, journal = {Comput. Networks}, number = {3}, pages = {299--324}, posted-at = {2008-03-10 19:44:46}, priority = {2}, publisher = {Elsevier North-Holland, Inc.}, title = {Cooperative multi-hop transmission in wireless networks}, volume = {49}, year = {2005} }

TY - JOUR ID - citeulike:2386900 L3 - citeulike-article-id:2386900 TI - Cooperative multi-hop transmission in wireless networks JF - Comput. Networks VL - 49 IS - 3 SP - 299 EP - 324 AD - New York, NY, USA PB - Elsevier North-Holland, Inc. N2 - We consider various relaying strategies for wireless networks by comparatively examining direct transmission, conventional relaying, and the novel concepts of cooperative relaying. The latter build on two inherent benefits of relaying systems: the spatial diversity offered by the relay channel, and the ability to exploit the broadcast nature of the wireless medium. Studied cooperative protocols include adaptive decode-and-forward schemes as a simple extension of conventional store-and-forward relaying systems, and more complex decode-and-reencoding schemes that realize distributed coding strategies. We provide a unifying analysis for the tractable two-hop case, before extending the consideration to multi-hop scenarios. The analysis is conducted from the perspective of communication over fading channels under limited bandwidth, energy, and end-to-end delay; main parameters include propagation loss, network geometry, and targeted end-to-end spectral efficiency. Main results indicate that (i) cooperative relaying provides attractive benefits for wireless systems whenever temporal and frequency diversity are scarce or not exploited, (ii) using just two hops is reasonable for many practical scenarios, and (iii) the advantages of the studied relaying schemes decrease for higher desired end-to-end spectral efficiency. AU - Herhold, Patrick AU - Zimmermann, Ernesto AU - Fettweis, Gerhard PY - 2005/// ER -