Method, apparatus and computer program for uplink communication

By forming RVUE, the collaboratively operated transceiver equipment shares antenna ports and transmission rank, the problem of UE need to support multiple frequencies and standards is solved, the efficiency and stability of the communication system is improved, and the equipment complexity and cost are reduced.

CN120345192APending Publication Date: 2025-07-18TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
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Patent Information

Application Number
CN202280102307.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2022-12-08
Filing Date
2022-12-09
Publication Date
2025-07-18

AI Technical Summary

Technical Problem

In existing communication systems, user equipment (UE) needs to support multiple frequency, bandwidth and communication standards, resulting in complex, bulky and expensive equipment. At the same time, intensively deployed MIMO systems adds hardware and software complexity and cost, and the connection between UE and service access points may be affected by shadows and interference.

Method used

By forming a reconfigurable virtual user equipment (RVUE), a group of transceiver devices cooperate to exchange signaling to determine the number of available antenna ports and the maximum supported transmission rank, configuring uplink transmission, and achieving sharing and collaborative operation of antenna ports.

Benefits of technology

Reduces overhead of uplink communication, improves throughput and diversity, improves blocking robustness, and reduces energy consumption.

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Abstract

Techniques for uplink communication with a network node are provided. A method is implemented by a transceiver device. The method comprises exchanging signaling with the network node to form an RVUE comprised of a set of transceiver devices. The transceiver device is part of the set of transceiver devices. The signaling indicates at least an available number of antenna ports of the RVUE for communication with the network node, and a maximum supported transmission rank for the RVUE. The method comprises receiving a configuration from the network node for an uplink transmission from the RVUE to the network node. The configuration indicates at least which transmission rank is to be used by the RVUE and a mapping of a transmission layer to antenna ports in the RVUE. The method comprises implementing an uplink transmission towards the network node according to the received configuration.
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