Method and apparatus for random access communication support using remotely located nodes in a wireless network

By sending transparent control signals in the O-RAN network and applying phase compensation at the DU, the efficiency and complexity of random access communication between nodes is solved, and efficient communication decoding and processing is achieved.

CN115804234BActive Publication Date: 2025-03-28QUALCOMM INC
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Patent Information

Application Number
CN202180047847.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2020-07-15
Filing Date
2021-07-09
Publication Date
2025-03-28
Estimated Expiration
2041-07-09

AI Technical Summary

Technical Problem

In an open radio access network (O-RAN), random access communication between nodes presents challenges in transparent control signals and resource management, resulting in increased communication efficiency and complexity.

Method used

Random access communication is decoded by sending a transparent control signal between a distributed unit (DU) and a radio unit (RU) and applying phase compensation at the DU. This method allows the RU to process the uplink data channel and the random access channel in a transparent manner, reducing the complexity of the RU.

Benefits of technology

It realizes efficient decoding and processing of random access communications, reduces the complexity and cost of RUs, and improves the transparency and efficiency of inter-node communications.

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Abstract

Various aspects described herein relate to sending control signals from a distributed unit (DU) that are transparent to communications on an uplink data channel and a random access channel; receiving signals from a radio unit (RU) at the DU on resources for a random access channel; and decoding random access communications from the signal at least in part by applying phase compensation to the signal.
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