17997235. UPLINK REFERENCE SIGNAL TECHNIQUES FOR NON-CODEBOOK-BASED WIRELESS COMMUNICATIONS simplified abstract (QUALCOMM Incorporated)

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UPLINK REFERENCE SIGNAL TECHNIQUES FOR NON-CODEBOOK-BASED WIRELESS COMMUNICATIONS

Organization Name

QUALCOMM Incorporated

Inventor(s)

Muhammad Sayed Khairy Abdelghaffar of San Jose CA (US)

Ahmed Attia Abotabl of San Diego CA (US)

Alexandros Manolakos of Escondido CA (US)

UPLINK REFERENCE SIGNAL TECHNIQUES FOR NON-CODEBOOK-BASED WIRELESS COMMUNICATIONS - A simplified explanation of the abstract

This abstract first appeared for US patent application 17997235 titled 'UPLINK REFERENCE SIGNAL TECHNIQUES FOR NON-CODEBOOK-BASED WIRELESS COMMUNICATIONS

Simplified Explanation

The abstract describes methods, systems, and devices for wireless communications that utilize resource bandwidths within one or more bandwidth parts (BWPs). These BWPs allow for fast switching and enhanced flexibility in communications.

  • Resource bandwidths are configured in one or more BWPs to support fast switching and flexibility within a BWP.
  • Downlink reference signal resources of a first resource bandwidth can be associated with one or multiple uplink resources of a second resource bandwidth.
  • Precoding for uplink communications in the associated uplink resources can be calculated based on the associated downlink reference signal resources.
  • Transmission control information (TCI) can provide the UE (user equipment) with the beam used for uplink communications.
  • Multiple disjoint subsets of uplink frequency resources within a resource bandwidth can use different beams based on TCI indication.

Potential applications of this technology:

  • Wireless communication systems that require fast switching and enhanced flexibility.
  • Networks that need to efficiently allocate resources for downlink and uplink communications.
  • Systems that benefit from the use of multiple beams for uplink communications.

Problems solved by this technology:

  • Slow switching and limited flexibility in wireless communications.
  • Inefficient allocation of resources for downlink and uplink communications.
  • Limited options for utilizing multiple beams for uplink communications.

Benefits of this technology:

  • Faster switching and enhanced flexibility in wireless communications.
  • Efficient allocation of resources for downlink and uplink communications.
  • Improved utilization of multiple beams for uplink communications.


Original Abstract Submitted

Methods, systems, and devices for wireless communications are described for systems that use resource bandwidths within one or more bandwidth parts (BWPs). Such resource bandwidths may be configured in one or more BWPs to support relatively fast switching and allow enhanced flexibility for communications within a BWP. Within one or more BWPs, downlink reference signal resources of a first resource bandwidth may be associated with one or multiple uplink resources of a second resource bandwidth, and precoding for uplink communications in the one or multiple uplink resources may be calculated based on the associated downlink reference signal resources. Additionally or alternatively, abeam used for uplink communications may be provided to the UE in transmission control information (TCI). Further, in some cases, multiple disjoint subsets of uplink frequency resources within a resource bandwidth may use different beams, according to an indication provided in TCI.

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