17997088. RADIO ACCESS TECHNOLOGY SWITCHING BASED ON NETWORK SUPPORT simplified abstract (QUALCOMM Incorporated)

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RADIO ACCESS TECHNOLOGY SWITCHING BASED ON NETWORK SUPPORT

Organization Name

QUALCOMM Incorporated

Inventor(s)

Sohrab Ahmad of Hyderabad (IN)

Bhanu Kiran Janga of Hyderabad (IN)

Osama Lotfallah of San Diego CA (US)

Abhishek Bhatnagar of San Diego CA (US)

Quanling Zhang of Shanghai (CN)

RADIO ACCESS TECHNOLOGY SWITCHING BASED ON NETWORK SUPPORT - A simplified explanation of the abstract

This abstract first appeared for US patent application 17997088 titled 'RADIO ACCESS TECHNOLOGY SWITCHING BASED ON NETWORK SUPPORT

Simplified Explanation

The patent application describes methods, systems, and devices for wireless communications that allow a user equipment (UE) to efficiently switch from one radio access technology (RAT) to another while maximizing the available services. Here are the key points:

  • The techniques described in the patent application enable a UE to fallback to an appropriate RAT when its request to communicate with a base station using one RAT is rejected for unexpected reasons.
  • Instead of falling back to a lower generation RAT (e.g., 2G or 3G), the UE drops the parameters related to the rejected fifth generation (5G) request and falls back to fourth generation (4G) to maintain a higher level of service.
  • The unexpected causes for rejection can be preconfigured and determined based on factors such as the UE's subscription, the associated public land mobile network (PLMN), and more.

Potential applications of this technology:

  • Mobile network operators can use this technology to ensure uninterrupted and efficient communication for their users when transitioning between different RATs.
  • Users can experience seamless connectivity and maintain access to advanced services even when their initial request is rejected.

Problems solved by this technology:

  • The technology solves the problem of service disruption when a UE's request to use a specific RAT is rejected unexpectedly.
  • It addresses the issue of inefficient fallback to lower generation RATs, which may result in a degradation of service quality.

Benefits of this technology:

  • Users can enjoy uninterrupted connectivity and access to services by efficiently falling back to an appropriate RAT.
  • The technology optimizes the use of available RATs, ensuring that the UE maintains the highest possible level of service.
  • It provides flexibility for network operators to define and configure the unexpected causes for rejection, allowing them to tailor the fallback process to their specific network requirements.


Original Abstract Submitted

Methods, systems, and devices for wireless communications are described. Generally, the described techniques provide for efficiently falling back from one RAT to another RAT while maximizing the services available to a UE. When a request from a UE for communicating with a base station using one RAT is rejected by a network node for unexpected causes, the UE may use the techniques described herein to fallback to an appropriate RAT. For instance, after receiving a response indicating that a request including fifth generation (5G) parameters is rejected, the UE may drop the 5G parameters and fall back to fourth generation (4G), rather than falling back to second generation (2G) or third generation (3G). The unexpected causes may be preconfigured and may be determined based on a number of factors, including a subscription of the UE, a public land mobile network (PLMN) associated with the network node, etc.

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