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Conference Paper
Backward Compatible MIMO Techniques in a Massive MIMO Test-Bed for Long Term Evolution (LTE) Mobile Systems
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- Authors
- Seok Ho Won, Saeyoung Cho, Jaewook Shin
- Issue Date
- 2015-07
- Citation
- International Conference on Advanced Communication Technology (ICACT) 2015, pp.711-715
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- This paper proposes a virtual antenna mapping method for backward compatible massive or large-scale antenna multiple input multiple output (MIMO) base stations that provide communication services for legacy user equipment (UE) that can recognize only two or four base station antennas. The proposed method adopts and improves the omnidirectional beamforming that has been pioneered in previous works. The computer simulation results provide four important findings; the most important is that the actual number of virtually mapped physical antennas is inversely proportional to the transmit power per antenna.
- KSP Keywords
- Backward Compatible, Base Station Antenna, Communication services, Computer simulation(MC and MD), Long Term Evolution(LTE), Mapping method, Massive MIMO test-bed, Mobile system, Multiple input multiple output(MIMO), Transmit Power, Virtual antenna