| Presentation | 2012-12-13 Investigation on Effect of User Throughput Improvement for Interference Rejection Combining Receiver in Heterogeneous Networks for LTE-Advanced Downlink Yusuke Ohwatari, Akihito Morimoto, Nobuhiko Miki, Yukihiko Okumura, |
|---|---|
| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In LTE-Advanced, heterogeneous networks where low power nodes such as picocells are overlaid onto macrocells were extensively investigated on further improvement in the system throughput per unit area. In heterogeneous networks, to achieve an offloading gain from macrocells to picocells, cell range expansion (CRE) is applied. In such cases, since the interference statistics are completely different from traditional well-planned macrocell deployments, it is important to the investigation on the interference rejection combining (IRC) receiver that effectively improves the cell-edge user throughput by suppressing interference from the surrounding cells. Therefore, this paper investigates the IRC receiver in heterogeneous networks employing CRE. Simulation results show that user throughput for the IRC receiver is improved compared to the conventional minimum mean square error (MMSE) receiver especially for the UEs connected to picocells. Furthermore, we clarify that a cell-edge user throughput gain from the IRC receiver exceeding 10% is achieved compared to the MMSE receiver in a heterogeneous network when CRE is employed. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | LTE-Advanced / interference rejection combining / inter-cell interference / heterogeneous networks |
| Paper # | RCS2012-189 |
| Date of Issue |
| Conference Information | |
| Committee | RCS |
|---|---|
| Conference Date | 2012/12/6(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | |
| Vice Chair | |
| Secretary | |
| Assistant | |
| Paper Information | |
| Registration To | Radio Communication Systems (RCS) |
|---|---|
| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Investigation on Effect of User Throughput Improvement for Interference Rejection Combining Receiver in Heterogeneous Networks for LTE-Advanced Downlink |
| Sub Title (in English) | |
| Keyword(1) | LTE-Advanced |
| Keyword(2) | interference rejection combining |
| Keyword(3) | inter-cell interference |
| Keyword(4) | heterogeneous networks |
| 1st Author's Name | Yusuke Ohwatari |
| 1st Author's Affiliation | NTT DOCOMO, INC.() |
| 2nd Author's Name | Akihito Morimoto |
| 2nd Author's Affiliation | NTT DOCOMO, INC. |
| 3rd Author's Name | Nobuhiko Miki |
| 3rd Author's Affiliation | NTT DOCOMO, INC. |
| 4th Author's Name | Yukihiko Okumura |
| 4th Author's Affiliation | NTT DOCOMO, INC. |
| Date | 2012-12-13 |
| Paper # | RCS2012-189 |
| Volume (vol) | vol.112 |
| Number (no) | 351 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |