Multi-beam Antenna Channel Bonding for Wireless Interference Reduction
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Solution Overview
Problem
Wireless channel bonding overcomes interference issues by spatially separating data streams, but existing technologies face challenges in implementing this effectively due to the complexity and cost of dedicated processors for generating directional beams, especially in consumer electronics.
Innovation Solution
A wireless communication system using multi-beam user terminals with beam-forming processors that create directional beams to bond multiple wireless channels into a single virtual channel, enhancing bandwidth and reliability while reducing interference, utilizing existing processing resources for digital beam forming.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If dedicated processors are used to generate spatially separated beams for channel bonding, then directional discrimination and interference reduction are improved, but device complexity and cost increase significantly
Solution Approach 1:
The patent makes the existing processor perform multiple functions by adding digital beam forming capabilities to its existing signal processing tasks. The processor handles both standard wireless communication functions and directional beam formation using the same hardware resources, eliminating the need for dedicated beam-forming processors while achieving spatial separation of data streams
Solution Approach 2:
The existing processor serves itself by performing digital beam forming operations using its own computational resources. Rather than requiring external dedicated hardware, the processor utilizes its existing processing power to create spatially separated beams, making the system self-sufficient and avoiding additional complexity
2Productivity
If multiple wireless network cards are used for channel bonding, then bandwidth is increased, but interference between cards limits the number of usable frequency channels
Solution Approach 1:
The patent transitions from frequency-based channel separation to spatial-based beam separation. Instead of using different frequency channels to avoid interference, the system uses digital beam forming to create spatially separated directional beams that can operate simultaneously on the same frequency without interfering with each other, adding a spatial dimension to channel bonding
3Area of stationary object
If omni-directional antennas are used for wireless communication, then coverage area is maximized, but spatial discrimination is insufficient for reducing interference in channel bonding
Solution Approach 1:
The patent makes the antenna radiation pattern dynamic and configurable through digital beam forming. The system can switch between omni-directional patterns for maximum coverage and directional patterns for spatial discrimination, allowing the same antenna system to adapt its characteristics based on the operational requirements of channel bonding versus general coverage
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach effectively doubles data throughput or improves robustness without increasing data transfer rate, by creating coherent and incoherent beams using existing processing power, thus providing a low-cost solution for consumer electronics.
Implementation Method 1
signals from each of the array elements are processed by a beam-forming processor to create at least two beams pointing in different directions
Data Source
AI summary
A system is provided that enhances the throughput and reliability of wireless communications by providing multi-beam user terminals that exhibit directional discrimination. Multiple wireless communication channels are matched with multiple beams created from an array antenna by a beam-forming processor. The multiple wireless communication channels are bonded into a single virtual channel, thereby increasing data bandwidth while reducing interference and multi-path effects that can degrade communications. The beam-forming function may be performed in a dedicated beam-forming processor or may reside within a general-purpose microprocessor located in the user terminal. In addition, a wireless communications system with access points featuring multiple beams that exhibit directional discrimination that can concurrently support multiple users with multi-beam terminals via a common frequency channel. Both forward and return links feature multiple-folded frequency reuse, enabling multiple users with higher throughput and improved reliability. The spectrum utility of the communications system has been enhanced with multiple folds.