MLO Communication Apparatus for Shared Interference Control
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Solution Overview
Problem
Inter-link interference in Multi-Link Operation (MLO) terminals degrades signal quality during simultaneous transmission and reception, which existing hardware configurations often fail to adequately address.
Innovation Solution
A communication apparatus that acquires and shares interference information between links to adjust transmission parameters, using Trigger Frames and MLO Parameter Sets to minimize interference and enable efficient simultaneous data transmission and reception.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If simultaneous transmission and reception is performed using multiple Links in MLO terminal, then data transmission efficiency is improved, but inter-link interference degrades signal quality
Solution Approach 1:
The patent measures and notifies inter-link interference information before simultaneous transmission and reception operations begin. By performing this measurement and notification in advance, the system allows receiving apparatus to prepare appropriate reception parameters that account for the expected interference, thereby maintaining signal quality while enabling efficient simultaneous operations across multiple links.
Solution Approach 2:
The patent dynamically adjusts reception parameters (such as reception power settings, modulation schemes, or coding rates) based on the notified inter-link interference information. This parameter adaptation allows the receiving apparatus to optimize its reception characteristics for each link according to the actual interference conditions, thereby resolving the contradiction between maintaining high data transmission efficiency and preserving signal quality under interference.
2Reliability
If transmission power is increased to improve signal quality, then reception reliability is improved, but inter-link interference to other Links increases
Solution Approach 1:
The patent applies different transmission power levels or power control strategies to different Links based on their specific interference conditions and requirements. Instead of using a uniform power level across all links, the system tailors the power characteristics of each link individually, allowing high power on links that can tolerate it while maintaining lower power on links that are more susceptible to or generate interference, thereby achieving reliable reception without excessive overall interference.
Solution Approach 2:
The patent implements a feedback mechanism where inter-link interference information is measured, notified to the transmitting apparatus, and used to adjust transmission parameters. This closed-loop control allows the system to respond to actual interference conditions by adjusting transmission power dynamically, ensuring that reception reliability is maintained while preventing excessive interference from being generated on other links.
Data Source
AI summary
The present technology relates to a communication apparatus and an information processing method that make it possible to appropriately reduce inter-link interference. The communication apparatus according to the present technology acquires, in a case of simultaneously performing transmission and reception of a data signal with another communication apparatus using a plurality of Links, first interference information concerning interference between Links occurring in the other communication apparatus from the other communication apparatus, and decides a transmission parameter to be used by the other communication apparatus for transmission of a data signal on a basis of the first interference information and second interference information concerning interference between the Links occurring in the communication apparatus. The present technology is applicable to a wireless communication system.