Performance analysis of cooperative wireless sensor network with index-based modulation
| Autor: | Subhashini Neelamegam, Murugan Mahalingam |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2019 |
| Předmět: |
wireless sensor networks
MIMO communication transmitting antennas modulation equitable system complexity radio-frequency chain higher-order modulation schemes enhanced SM wireless sensor network nodes single active antenna performance analysis index-based modulation spatial modulation potential technique generation wireless networks enhanced spectral efficiency Engineering (General). Civil engineering (General) TA1-2040 |
| Zdroj: | The Journal of Engineering (2019) |
| Druh dokumentu: | article |
| ISSN: | 2051-3305 |
| DOI: | 10.1049/joe.2018.5431 |
| Popis: | Spatial modulation (SM) emerges as a potential technique for next generation wireless networks. Enhanced spectral efficiency and equitable system complexity led SM to various innovations. In SM only one radio-frequency chain is active during the transmission of the signal. The information is carried by the index of the active antenna. Throughput loss and reduced spectrum utility of higher-order modulation schemes can be overcome by activating more than one antenna. The shortcoming of SM is overcome by an enhanced SM in which index of an antenna and its constellation conveys the information. In the proposed wireless sensor network nodes are considered with two antennas. Based on the primary constellation the symbols are transmitted from a single active antenna and symbols from secondary constellation are transmitted from the two active antennas. The performance of the proposed network is compared to the network with SM. |
| Databáze: | Directory of Open Access Journals |
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