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Femtocells in Cellular Radio Networks with Successive Interference Cancellation

Brett Kaufman, Elza Erkip, Jorma Lilleberg, Behnaam Aazhang
2011 2011 IEEE International Conference on Communications Workshops (ICC)  

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Interference is one of the main performance limiting factors in the use of femtocells in conventional cellular radio networks. We develop a femtocell power control scheme that relies on minimal coordination with the macrocell base station. The power control is used in conjunction with an interference sensing channel assignment mechanism. Using these two schemes we show gains over 100% in sum rate. We then develop a technique for macro users to join a nearby femtocell and share a common channel
more » ... ith a femtocell user through the use of successive interference cancellation. By adding this mechanism to the power control and channel assignment schemes, we show gains over 200% in sum rate and power savings up to 90% for macro cell users.
doi:10.1109/iccw.2011.5963551 fatcat:yjey3h5tsngwdl3pxipj7dilqy
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Brett Kaufman, Elza Erkip, Jorma Lilleberg, Behnaam Aazhang. "Femtocells in Cellular Radio Networks with Successive Interference Cancellation." 2011 IEEE International Conference on Communications Workshops (ICC) (2011)