Transmutable MIMO Transceiver Dynamic Channel Partitioning
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Solution Overview
Problem
Current MIMO transceivers in wireless local area networks face limitations in optimizing communication channel utilization and throughput, particularly in managing multiple stations and channels efficiently, especially with the increasing demand for concurrent uplink and downlink communications.
Innovation Solution
A wireless transceiver with a bandwidth evaluation circuit, chain partitioning circuit, and switchable RF filter bank that dynamically determines whether to operate MIMO chains synchronously as a single radio or asynchronously as multiple radios, allowing for adaptive configuration to maximize channel utilization and minimize interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If MIMO chains operate synchronously as a single radio, then communication throughput is improved, but channel utilization flexibility deteriorates
Solution Approach 1:
The system dynamically switches between synchronous single-radio mode and asynchronous multi-radio mode based on real-time channel conditions and traffic demands. The bandwidth evaluation circuit continuously monitors channel utilization and controls the chain partitioning circuit to reconfigure MIMO chains between synchronized and independent operation, enabling adaptive optimization of both throughput and channel utilization flexibility.
2Adaptability or versatility
If MIMO chains are partitioned into multiple radios, then channel utilization flexibility is improved, but communication throughput deteriorates
Solution Approach 1:
The system employs dynamic reconfiguration where the chain partitioning circuit divides MIMO chains into multiple independent radios only when channel conditions warrant it. The bandwidth evaluation circuit monitors overall channel utilization and switches between partitioned and unified modes to maintain optimal throughput while enabling flexible channel access when needed.
Solution Approach 2:
The MIMO chains are segmented into separate radio units with independent RF filters that can operate asynchronously on different channels. This segmentation enables simultaneous access to multiple channels while the control mechanism ensures that segmentation occurs only when it improves overall system performance rather than degrading throughput.
3Object-affected harmful factors
If RF filters are added to isolate asynchronous communications, then interference between radios is reduced, but device complexity increases
Solution Approach 1:
A single switchable RF filter bank serves multiple functions: it provides isolation between asynchronously operating radios when needed, and is bypassed when radios operate synchronously. This multi-functional design eliminates the need for separate filter sets for each radio, reducing overall device complexity while maintaining the capability to isolate interference when asynchronous operation is required.
Data Source
AI summary
A multiple-input multiple-output (MIMO) wireless transceiver with “N” transmit and receive chains and a bandwidth evaluation circuit, a chain partitioning circuit and a switchable radio frequency ‘RF’ filter bank. The bandwidth evaluation circuit evaluates both the utilization of the WLAN(s) and any remaining communications channels and determines whether to operate the MIMO chains synchronously as a single radio or asynchronously as multiple radios. The chain partitioning circuit either partitions subsets of the MIMO chains for asynchronous operation as distinct radios or combines all MIMO chains for synchronous operation as a single radio. The switchable RF filter bank is responsive to a partitioning of subsets of the chains into distinct radios to add RF filters to a RF portion of the chains to isolate each radio from one another, and responsive to a combining of all MIMO chains into a single radio to remove all RF filters.