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Title |
Optimized CMIMO-SM for saving energy in Wireless Sensor Network |
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Author |
Wided ABIDI, Tahar EZZEDINE |
| Citation |
Vol. 16 No. 10 pp. 28-31 |
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Abstract |
Spatial Modulation (SM) is a recently proposed technique that increases the overall spectral efficiency therefore the energy consumption on Wireless Sensors Network is minimized. In addition, this technique can improve the capacity of CMIMO schemes by using the transmit antenna index and amplitude/phase modulation to transmit information bits. For this reason, combining CMIMO scheme to SM can achieve energy-efficiency improvement [1]. The main idea introduced in this paper is based on CMIMO-SM scheme by optimizing the constellation size b for minimizing the energy consumption. At first time, we present the system model of CMIMO-SM concept used. Then, we elaborate the proposed scheme and examine its performance by numerical simulations. The results show an important savings of total energy consumption. |
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Keywords |
Wireless Sensors Network (WSN), Spatial Modulation (SM), Cooperative Multiple Input Multiple Output (CMIMO), Energy efficiency |
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