Samsung electronics co., ltd. (20240322969). APPARATUS AND METHODS FOR INDICATING DMRS PORTS FOR USER EQUIPMENT IN A WIRELESS COMMUNICATION SYSTEM simplified abstract

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APPARATUS AND METHODS FOR INDICATING DMRS PORTS FOR USER EQUIPMENT IN A WIRELESS COMMUNICATION SYSTEM

Organization Name

samsung electronics co., ltd.

Inventor(s)

Alexei Vladimirovich Davydov of Moscow (RU)

Gregory Vladimirovich Morozov of Moscow (RU)

Dmitry Sergeyevich Dikarev of Moscow (RU)

Gregory Aleksandrovich Ermolaev of Moscow (RU)

APPARATUS AND METHODS FOR INDICATING DMRS PORTS FOR USER EQUIPMENT IN A WIRELESS COMMUNICATION SYSTEM - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240322969 titled 'APPARATUS AND METHODS FOR INDICATING DMRS PORTS FOR USER EQUIPMENT IN A WIRELESS COMMUNICATION SYSTEM

The disclosure pertains to a 5G or 6G communication system designed to support higher data transmission rates. Specifically, it involves an apparatus and method for indicating demodulation reference signals (DMRS) ports for a User Equipment (UE) in a wireless communication system.

  • The method is performed in a base station that supports simultaneous transmission of multiple spatial Multiple Input Multiple Output (MIMO) layers for data transmission.
  • Each MIMO layer is associated with a different DMRS port.
  • The method involves selecting a DMRS port group with a certain number of sequential DMRS port indices for use in the UE.
  • A code point is obtained to represent the selected DMRS port group, based on specific calculations.
  • Control information, including the obtained code point, is signaled to the UE.

Potential Applications: - Advanced wireless communication systems - High-speed data transmission technologies - Next-generation mobile networks

Problems Solved: - Efficient allocation of DMRS ports in MIMO systems - Enhancing data transmission rates in wireless communication

Benefits: - Improved data transmission performance - Enhanced signal reliability - Optimal resource allocation in MIMO systems

Commercial Applications: Title: "Next-Generation Wireless Communication System for Enhanced Data Transmission" This technology can be utilized in: - Telecommunications industry for faster and more reliable networks - IoT devices for seamless connectivity - Autonomous vehicles for real-time data exchange

Questions about the technology: 1. How does the method of selecting DMRS port groups improve data transmission in wireless communication systems? 2. What are the key advantages of using different DMRS ports for each MIMO layer in terms of signal quality and reliability?


Original Abstract Submitted

the disclosure relates to a 5g or 6g communication system for supporting a higher data transmission rate. specifically, the disclosure relates, in general, to an apparatus and a method for indicating demodulation reference signals (dmrs) ports for a user equipment (ue) in a wireless communication system are provided. the method performed in a base station which supports simultaneous transmission of a plurality of spatial multiple input multiple output (mimo) layers for data transmission, wherein a different dmrs port is associated with each of the plurality of mimo layers. the method comprises selecting a dmrs port group comprising c sequential dmrs port indices to be used in the ue from a total number m of sequential dmrs port indices available for being used in the ue, where c, m are positive integers, c≤m, obtaining a code point p which represents the selected dmrs port group, wherein the code point is determined as follows, if (c−1)≤m/2, then p=m�(c−1)+s, else p=m�(m−c+1)+(n−1−s), where s is a start dmrs port index in the selected dmrs port group, s=0, 1, . . . , c−1, and signaling, to the ue, control information, wherein the control information includes the obtained code point.