Optimum Power Allocation for Preamble Detection With Channel-Adaptive Random Access
- Authors
- Moon, Hichan
- Issue Date
- Nov-2013
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Random Access; power limitation; power allocation; low power communication
- Citation
- IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, v.12, no.11, pp.5424 - 5433
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS
- Volume
- 12
- Number
- 11
- Start Page
- 5424
- End Page
- 5433
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/161574
- DOI
- 10.1109/TWC.2013.101613.120750
- ISSN
- 1536-1276
- Abstract
- Channel-adaptive random access can reduce the power required for successful random access transmission in a TDD-based wireless system. With channel-adaptive random access, transmission of a random access packet is delayed until a predefined channel condition is satisfied. The performance of channel-adaptive random access has been investigated with suboptimal power allocations including constant and channel inversion power allocations. However, the optimal power allocation has not been studied for channel-adaptive random access. In this paper, the optimum power allocation is derived for channel-adaptive random access, especially considering the detection performance of a random access preamble. Some important properties are investigated for the optimum power allocation. Numerical results compare the performances of the optimum and the suboptimal power allocations.
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