Link Recommendation Frame Aggregation in MBSSID Networks
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Solution Overview
Problem
In multiple Basic Service Set Identification (BSSID) networks, the current mechanism for link recommendation is inefficient as each Access Point (AP) needs to send separate Link Recommendation frames, leading to potential inefficiencies in data transmission and management due to the large size of the frames and the overhead of Beacon frames transmission.
Innovation Solution
A transmitted BSSID can transmit a single Link Recommendation frame that includes recommendations for both its associated Stations and those associated with non-transmitted BSSIDs within the same Multiple BSSID set, streamlining the process and reducing the need for multiple frames.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If each Access Point transmits separate Link Recommendation frames, then link recommendation coverage is complete, but network overhead and transmission inefficiency increase
Solution Approach 1:
The patent merges Link Recommendation frames from multiple Access Points into a single aggregated frame transmitted by the coordinator AP. This combining approach maintains complete link recommendation coverage for all non-AP MLDs while significantly reducing network overhead by eliminating redundant transmissions across multiple BSSIDs.
Solution Approach 2:
The coordinator AP performs multiple functions: it acts as a regular AP for its own BSSID and simultaneously serves as an aggregation point for Link Recommendation frames from other APs in the Multiple BSSID set. This multi-functionality allows efficient centralized distribution of link recommendations without requiring each AP to transmit separately.
2Measurement precision
If separate Link Recommendation frames are sent for each BSSID, then specific BSSID targeting is precise, but frame transmission complexity increases
Solution Approach 1:
The patent segments the Multiple BSSID set into a coordinator AP (transmitted BSSID) and subordinate APs (non-transmitted BSSIDs). The coordinator AP handles the complex aggregation task, while subordinate APs simply contribute their link recommendations. This segmentation maintains precise BSSID targeting in the aggregated frame while reducing individual transmission complexity.
Solution Approach 2:
The coordinator AP acts as an intermediary that collects Link Recommendation frames from subordinate APs and redistributes them in an aggregated format. This intermediary role simplifies the transmission process by centralizing the aggregation function, eliminating the need for each subordinate AP to independently manage complex frame transmission to multiple recipients.
3Reliability
If the Link Recommendation frame size increases to include all non-AP MLDs, then comprehensive coverage is achieved, but transmission efficiency decreases
Solution Approach 1:
Instead of creating one extremely large frame containing all non-AP MLDs from all BSSIDs, the patent merges smaller Link Recommendation frames from individual APs into a single aggregated frame. This approach achieves comprehensive coverage of all non-AP MLDs while maintaining transmission efficiency by organizing data in a structured, compact format that avoids redundancy.
Data Source
AI summary
An apparatus of an access point multi-link device (AP MLD) is configured as a Transmitted Basic Service Set Identifier (TxBSSID) in a wireless network including a multiple BSSID (MBSSID) set. The apparatus includes memory and processing circuitry coupled to the memory and configured to encode beacon frames for transmission to non-AP MLDs in the wireless network. The transmission is on behalf of the TxBSSID and Non-Transmitted BSSIDs (NonTxBSSIDs) within the MBSSID set. A link recommendation frame is encoded for transmission to the non-AP MLDs. The link recommendation frame includes link recommendations for the non-AP MLDs associated with any APs in the MBSSID set. A group management cipher suite of the TxBSSID is used to protect the link recommendation frame encoded for the transmission.