| Presentation | 2018-06-22 Considerations for Superposed Modulation Combined with QPSK and 256-QAM in NOMA. Koki Senda, Hiroyuki Otsuka, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Non-orthogonal multiple access (NOMA) is a potential candidate for the 5th-generation mobile systems (5G). In NOMA, two types of modulation signals are superposed for two different user equipment (UEs) in the power domain. The use of higher-order modulation such as 256-QAM is an also important technique under consideration for 5G. In this paper, we propose superposed modulation using QPSK and 256-QAM for downlink NOMA, and demonstrate the performance by link-level simulation under static propagation condition. The BER performance is investigated for the “superposed QPSK and 256-QAM” transmission as parameters of power allocation sets. From these results, we clarify the requirements for paired NOMA UEs when the superposed QPSK and 256-QAM is used in downlink NOMA. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Mobile communication / NOMA / Superposed modulation / 256-QAM / Power allocation |
| Paper # | RCS2018-66 |
| Date of Issue | 2018-06-13 (RCS) |
| Conference Information | |
| Committee | RCS |
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| Conference Date | 2018/6/20(3days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nagasaki University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | First Presentation in IEICE Technical Committee, Railroad Communications, Inter-Vehicle Communications, Road to Vehicle Communications, Resource Control, Scheduling, Wireless Communication Systems, etc. |
| Chair | Tomoaki Otsuki(Keio Univ.) |
| Vice Chair | Eisuke Fukuda(Fujitsu Labs.) / Satoshi Suyama(NTT DoCoMo) / Fumiaki Maehara(Waseda Univ.) |
| Secretary | Eisuke Fukuda(Hokkaido Univ.) / Satoshi Suyama(NTT) / Fumiaki Maehara |
| Assistant | Kazushi Muraoka(NTT DOCOMO) / Shinsuke Ibi(Osaka Univ.) / Hiroshi Nishimoto(Mitsubishi Electric) / Koichi Adachi(Univ. of Electro-Comm.) / Osamu Nakamura(Sharp) |
| Paper Information | |
| Registration To | Technical Committee on Radio Communication Systems |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Considerations for Superposed Modulation Combined with QPSK and 256-QAM in NOMA. |
| Sub Title (in English) | |
| Keyword(1) | Mobile communication |
| Keyword(2) | NOMA |
| Keyword(3) | Superposed modulation |
| Keyword(4) | 256-QAM |
| Keyword(5) | Power allocation |
| 1st Author's Name | Koki Senda |
| 1st Author's Affiliation | Kogakuin University(Kogakuin Univ.) |
| 2nd Author's Name | Hiroyuki Otsuka |
| 2nd Author's Affiliation | Kogakuin University(Kogakuin Univ.) |
| Date | 2018-06-22 |
| Paper # | RCS2018-66 |
| Volume (vol) | vol.118 |
| Number (no) | RCS-101 |
| Page | pp.pp.185-189(RCS), |
| #Pages | 5 |
| Date of Issue | 2018-06-13 (RCS) |