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Relay Multi-hop Communications for Next Generation Mobile Networks: Investigation of Path-Loss Models

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Abstract

In next generation communication systems, a multi-hop scheme, in which stations between a mobile terminal and a base station relay signal transmissions, seems a promising ap-proach for wide-area coverage and system capacity enhancement. Another prospective benefit for multi-hop scheme is the reduction of transmission power for a link. This reduction is expected by splitting the transmission into a series of hops using the other mobile stations as repeaters which provide a gain from receiver (Rx) to transmitter (Tx). In this way, the transmission power is expected to become less due to the non-linear nature of the path loss. In this work, different path loss models are examined for multi-hop communication systems. Direct communication and the multi-hop communication cases are compared according to different path loss models. The question of how path loss changes by splitting the transmission into a series of sub-paths is also investigated. The investigations show that it is not possible to reduce the path losses except for some cases thus the transmit power. On the other hand using the multi-hop scheme makes possible to increase the coverage area of the network and also reduce the dead spots in the cell.

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Authors and Affiliations

  1. TUBITAK-BILGEM, P.O. 74, 41470, Gebze, Kocaeli, Turkey

    Huseyin Aniktar & Umut Bulus

Authors
  1. Huseyin Aniktar
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  2. Umut Bulus
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Correspondence to Huseyin Aniktar.

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Aniktar, H., Bulus, U. Relay Multi-hop Communications for Next Generation Mobile Networks: Investigation of Path-Loss Models. Wireless Pers Commun 88, 897–910 (2016). https://doi.org/10.1007/s11277-016-3218-8

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  • DOI: https://doi.org/10.1007/s11277-016-3218-8

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