Communication Terminal Channel Selection for Bandwidth Satisfaction
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Solution Overview
Problem
In multi-channel/multi-interface (MCH/IF) communication environments, existing methods fail to select a forwarding channel that satisfies the required bandwidth, leading to channel interference and capacity limitations, as they do not consider the varying communication characteristics of channels allocated to different wireless interfaces.
Innovation Solution
A communication terminal with a wireless communication unit, a channel status calculation unit, and a channel selection unit that calculates and determines the capacity of each channel for both the terminal and neighboring terminals, ensuring that the selected channel satisfies the required bandwidth and minimizes interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing methods are used to select forwarding channels in MCH/IF environments, then channel selection is performed, but the required bandwidth is not satisfied due to lack of consideration for varying communication characteristics
Solution Approach 1:
The patent changes the parameters considered in channel selection from generic channel availability to specific communication characteristics including bandwidth capacity, communication distance, and interference levels. The channel status calculation unit computes these parameters dynamically based on terminal position, channel allocation, and network conditions, enabling bandwidth-satisfying selections.
Solution Approach 2:
The patent performs preliminary calculation of channel status parameters before actual channel selection. The channel status calculation unit pre-computes bandwidth capacity, communication distance, and interference metrics for all available channels, so that when forwarding channel selection is needed, the decision can be made quickly based on pre-analyzed data rather than complex real-time computation.
2Object-affected harmful factors
If channels are selected without considering communication characteristics, then channel interference occurs, but considering characteristics increases calculation complexity
Solution Approach 1:
The patent transforms the abstract concept of channel interference into measurable parameters including signal strength, noise levels, and channel occupancy rates. The channel status calculation unit monitors these parameters continuously and uses them to predict interference conditions, enabling proactive channel selection that avoids interference without requiring complex real-time simulations.
Solution Approach 2:
The patent implements feedback mechanisms where the channel status calculation unit continuously monitors actual channel performance and compares it with predicted values. This feedback loop allows the system to learn from past selections and adjust future channel choices to minimize interference, reducing the need for overly complex predictive models.
3Measurement precision
If channel capacity is not accurately calculated, then bandwidth requirements are not met, but accurate calculation requires considering multiple terminal capacities
Solution Approach 1:
The patent performs preliminary aggregation of terminal capacities for each channel before forwarding selection. The channel status calculation unit pre-computes the total available capacity of each channel by summing the capacities of all terminals that can use that channel, based on their wireless interface capabilities and current channel allocations. This pre-aggregated data is stored and reused for multiple selection decisions.
Solution Approach 2:
The patent segments the network into channel-specific capacity groups, where each channel has a pre-calculated total capacity based on the terminals that can access it. This segmentation allows the system to evaluate channel suitability by comparing pre-computed segment capacities against bandwidth requirements, rather than dynamically calculating individual terminal contributions for each selection decision.
4Reliability
If forwarding paths are established without bandwidth verification, then path establishment is quick, but bandwidth requirements are not satisfied
Solution Approach 1:
The patent performs preliminary verification of bandwidth requirements during the channel status calculation phase, before actual path establishment. The channel status calculation unit compares the aggregated channel capacity with the required bandwidth for potential forwarding paths, marking channels that satisfy requirements and eliminating those that don't. This pre-filtering ensures that path establishment only considers bandwidth-satisfying channels.
Solution Approach 2:
The patent performs more channel status calculations than strictly necessary for a single path selection, computing capacities and characteristics for all available channels rather than just evaluating a few candidates. This excessive calculation approach creates a comprehensive database of channel characteristics that speeds up subsequent path establishment decisions, as the verification step becomes a simple lookup rather than a complex evaluation.
Data Source
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AI summary
A communication terminal, comprises: a wireless communication unit to which a plurality of channels are allocated; a channel status calculation unit that calculates, when one of the plurality of channels is set as a forwarding channel, a capacity that can be used in the one channel by the communication terminal and a capacity that can be used in the one channel by another communication terminal; and a channel selection unit that determines, when one of the plurality of channels is set as a forwarding channel, whether a capacity that can be used in the one channel by the communication terminal satisfies a required bandwidth and determines, when another communication terminal has set the one channel as a forwarding channel, whether a capacity that can be used in the one channel by the another communication terminal satisfies the required bandwidth. A data forwarding path satisfying a required bandwidth among a plurality of communication terminals in a multi-channel/multi-interface (MCH/IF) environment is generated.