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Adaptive Multiuser Transmission Using Millimeter Wave Beam Alignment With User Selection
- Authors
- Song, Jiho; Lee, Byungju; Noh, Song; Lee, Jong-Ho
- Issue Date
- Aug-2020
- Publisher
- Institute of Electrical and Electronics Engineers
- Keywords
- Optimized production technology; Signal to noise ratio; Antenna arrays; Directive antennas; Transmitting antennas; Array signal processing; Millimeter wave technology; Millimeter wave communications; hard-decision beam alignment; adaptive channel-sounding; multiuser diversity
- Citation
- IEEE Transactions on Vehicular Technology, v.69, no.8, pp 9140 - 9145
- Pages
- 6
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE Transactions on Vehicular Technology
- Volume
- 69
- Number
- 8
- Start Page
- 9140
- End Page
- 9145
- ISSN
- 0018-9545
1939-9359
- Abstract
- We develop a channel-adapted multiuser transmission algorithm for millimeter wave (mmWave) wireless systems. We first study the impact of multiuser diversity on the beam alignment performance of mmWave systems. Assuming a multiuser framework, we derive the probability of beam misalignment as a function of the number of users. Moreover, we estimate the achievable sum-rate of multiuser systems relying upon beam alignment. We develop an adaptive transmission algorithm that changes the number of scheduled users according to channel conditions. Simulation results verify that the proposed algorithm provides better sum-rate performances than previous systems.
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Related Researcher
- Song, Jiho
- ERICA 공학대학 (SCHOOL OF ELECTRICAL ENGINEERING)