@inproceedings{b05e4a72715540c88a2afe06387ccd6e,
title = "An efficient cooperation strategy and cooperation region analysis in cognitive femtocell networks",
abstract = "We consider a two-phase cooperative transmission strategy in cognitive femtocell networks, where a femto-base station (BS) employs cooperative relaying to increase throughput of a macro-mobile station (MS) at cell edge in reward for the access of the spectrum allocated to the macro-MS. Under this strategy, we formulate optimization problem to maximize the femto-MS rate while satisfying the rate requirement of macro-MS and illustrate the optimal policy: optimal time duration and power allocation. In addition, we analytically derive the critical cooperation region where a femto-BS can always achieve the rate requirement of the macro-MS, which is expressed in terms of distances between femto-BS and macro-MS and between macro-BS and femto-BS. The simulation results show the derived cooperation regions for different β and confirm rate gain of the cooperation strategy.",
author = "Eunhye Heo and Hyuncheol Park and Shihab Jimaa",
note = "Publisher Copyright: {\textcopyright} 2014 IEEE.; 80th IEEE Vehicular Technology Conference, VTC 2014-Fall ; Conference date: 14-09-2014 Through 17-09-2014",
year = "2014",
month = nov,
day = "24",
doi = "10.1109/VTCFall.2014.6965867",
language = "British English",
series = "IEEE Vehicular Technology Conference",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
booktitle = "2014 IEEE 80th Vehicular Technology Conference, VTC2014-Fall, Proceedings",
address = "United States",
}