NR Beam Management Resource Polling for Non-Sequential STA QoS
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Solution Overview
Problem
The existing NDP feedback report procedure is insufficient for certain low latency applications, as it cannot trigger resource requests from STAs outside a specified AID range and lacks detailed QoS requirements, leading to inefficiencies in uplink transmissions.
Innovation Solution
A resource request poll is generated with specific response criteria, including NFRP type, UL access type, delay bound, AID range, and other parameters, allowing non-sequential STAs to transmit resource requests and feedback reports, with mechanisms to detect collisions and prioritize low latency traffic.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the NDP feedback report procedure is used to trigger resource requests, then uplink transmissions can be supported, but STAs outside the specified AID range cannot transmit resource requests and detailed QoS requirements cannot be included
Solution Approach 1:
The patent modifies the trigger frame structure by changing parameters such as the AID field format (using 12-bit AID instead of traditional shorter formats), adding new information fields for QoS requirements (delay bound, access category, information requested), and redefining the response criteria fields. These parameter changes enable both expanded STA participation and detailed QoS information inclusion simultaneously.
2Measurement precision
If the feedback status in NDP feedback report signals buffer size roughly in bytes, then transmission information can be conveyed, but latency and other QoS requirements cannot be included
Solution Approach 1:
The patent segments the feedback information into multiple distinct fields within the resource request report: buffer size indication field, delay bound field, access category field, and information requested field. This segmentation allows each QoS parameter to be conveyed separately and precisely, resolving the contradiction between providing detailed buffer size information and including comprehensive QoS requirements.
3Productivity
If an AP triggers a set of STAs with continuous AIDs within an AID range, then resource requests can be collected, but STAs not in the AID range cannot transmit resource requests
Solution Approach 1:
The patent introduces dynamic AID range specification in the trigger frame, where the AP can flexibly define which AID ranges should respond to resource requests. The response criteria field allows the AP to dynamically adjust the AID matching rules, enabling both efficient batch collection from continuous AID ranges and flexible inclusion of non-sequential AIDs when needed, thus resolving the contradiction between productivity and adaptability.
Data Source
AI summary
Techniques, devices and systems are disclosed for generating a resource request poll comprising at least one response criteria, transmitting the resource request poll, receiving a resource request report from STAs that meet at least one response criteria. A trigger frame may be transmitted to the at least one STA based on the resource request report from the at least one STA. The response criteria may include at least one of a NFRP, a UL access type, a delay bound, an NDP feedback report AC, a number of indicated AID bits, an AID range, an information requested, a number of bits to be included in NDP feedback report or preamble, number of LTFs to be included in the NDP feedback report or preamble, and a number of bits to be included in NDP feedback report or preamble per LTF or per N LTF symbol.