Random access method in BDMA system and random access method in pattern/polarized BDMA systemBDMA 시스템에서의 랜덤 액세스 방법 및 패턴/편파 BDMA 시스템에서의 랜덤 액세스 방법

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A random access method in a beam division multiple access (BDMA) system including: receiving, by a terminal, a reference signal of at least one beam sector transmitted from an access point (AP) device; estimating, by the terminal, whether the terminal is in a center area of the beam sector provided by the AP device or in the boundary area of the beam sector by using the strength of the reference signal; transmitting, by the terminal, a different preamble to the AP device in accordance with location information of whether the terminal is located in the center area or in the boundary area; and determining, by the AP device, a target beam sector for transmitting information about uplink resources to be used by the terminal, among a plurality of beam sectors on the basis of the received preamble.
Assignee
KAIST
Country
US (United States)
Application Date
2016-02-22
Application Number
16078229
Registration Date
2021-01-12
Registration Number
10893542
URI
http://hdl.handle.net/10203/280788
Appears in Collection
EE-Patent(특허)
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