Timing a Random Access of UE to Relay AP

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United States of America Patent

SERIAL NO

15532319

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Abstract

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The embodiments disclose a method in a relay AP for timing a random access of a UE to the relay AP in a TDD radio communication network. The relay AP performs a self-backhaul over a backhaul link to a donor AP. The backhaul link and the random access link between the relay AP and the UE share a same frequency resource. The method comprises obtaining a first propagation delay information from the donor AP to the relay AP over the backhaul link; determining a timing advance offset for the UE to perform the random access at least based on the first propagation delay information; and transmitting the timing advance offset to the UE.

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Patent Owner(s)

Patent OwnerAddress
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)STOCKHOLM

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
FAN, Rui BEIJING, CN 127 191
GUO, Zhiheng BEIJING, CN 50 108
LU, Qianxi BEIJING, CN 132 467
MIAO, Qingyu BEIJING, CN 132 363

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