Journal
IEEE WIRELESS COMMUNICATIONS LETTERS
Volume 9, Issue 8, Pages 1133-1136Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LWC.2020.2975791
Keywords
Device-to-device communication; Interference; Relays; Energy consumption; Pins; Power control; Game theory; Relay-assisted D2D communication; transmission rate selection; power control; transmission energy consumption
Categories
Funding
- EU's H2020 Research and Innovation Programme [778305, 843401]
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Device-to-device (D2D) communication underlaying cellular networks is seen as a promising technology for future communication systems, especially when relays are employed to extend the range of D2D links. However, the mutual interference between the spectrum-sharing D2D links and conventional cellular (CC) links is still the dominating performance limiting factor, which enforces those links to adopt higher transmission power. As energy saving is always one of the key concerns, we propose to minimize the total transmission energy consumption of a relay-assisted D2D link and a CC link sharing radio resources by jointly optimizing their transmission rate selection and power control (TRSPC). We formulate the optimization problem as a non-convex non-linear programming (NLP) problem and then develop a game theory based distributed approach to solve it. Simulation results demonstrate that our game theory based TRSPC approach can enormously decrease the total transmission energy consumption compared with existing works.
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