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- W2000360568 abstract "본 논문에서는 펨토셀을 채택한 셀룰러 통신망에서 매크로셀 사용자를 보호하기 위한 새로운 분산식 펨토셀 전송전력 제어 기법을 제안한다. 제안된 기법에서, 인근의 펨토셀로부터 심한 간섭을 받는 매크로셀 사용자는 그 사실을 매크로셀 기지국을 통해 해당 펨토셀 기지국에게 알린다. 펨토셀 기지국은 전송전력을 감소시켜 매크로셀 사용자를 보호한다. 제안된 기법은 매크로셀 기지국, 매크로셀 사용자 및 펨토셀 기지국 간에 교환해야 할 제어 정보가 많지 않고, 펨토셀 기지국의 계산량이 적어서 구현이 용이한 장점을 가진다. 시뮬레이션 결과에 따르면, 제안된 기법은 그 단순함에도 불구하고 최소한의 펨토셀 사용자의 성능 열화를 대가로 탁월한 매크로셀 성능 향상을 달성한다. In the cellular networks adopting femtocells, the macrocell users can suffer from severe interference by the femtocells. In this paper, we propose a distributed transmission power control scheme for femtocells to protect macrocell users. With the proposed scheme, when a macrocell user experiences outage due to severe interference, it informs the interfering femtocell base station (BS) of the outage occurrence, via the macrocell BS. Then, the femtocell BS reduces the transmission power to protect the macrocell user. The proposed scheme does not require too much control information among the macrocell BS, the macrocell users, and the femtocell BS. Moreover, the computational complexity in femtocell BS is very low. By using simulation, we show that the performance of the proposed scheme is good enough to use in practice, in spite of its simplicity." @default.
- W2000360568 created "2016-06-24" @default.
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- W2000360568 date "2013-10-31" @default.
- W2000360568 modified "2023-10-16" @default.
- W2000360568 title "Power Control of Femto Base Station for Protecting Macrocell Users" @default.
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- W2000360568 doi "https://doi.org/10.7840/kics.2013.38a.10.865" @default.
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