Collision Coding for Wireless Data Integrity
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Solution Overview
Problem
Current communication networks face performance degradation due to signal collisions, which result in resource wastage and inefficient communication, as existing techniques either avoid, ignore, or poorly manage collisions in wireless communication protocols and devices.
Innovation Solution
The implementation of a collision coding function that encodes and decodes data packets to enable concurrent transmission and successful reception in wireless communication systems, utilizing a network controller to generate coding tables that ensure data integrity even in the presence of collisions, allowing for synchronized and efficient data transmission across overlapping communication channels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional collision avoidance protocols (e.g., CSMA/CA, bit-map protocol) are used, then collision interference is reduced, but communication resources are wasted due to time separation requirements and reduced network throughput
Solution Approach 1:
The patent converts the harmful effect of signal collisions into a beneficial outcome by designing encoding schemes where collided signals can be successfully decoded. Instead of avoiding collisions through time separation, the system allows simultaneous transmissions and uses special coding (e.g., orthogonal codes, spread spectrum) to enable receivers to extract data from superimposed signals, thereby turning collision from a failure condition into an acceptable transmission mode that increases network throughput while maintaining reliability
2Reliability
If time separation is implemented to prevent collisions, then signal integrity is maintained, but communication efficiency and resource utilization deteriorate
Solution Approach 1:
The patent applies preliminary action by pre-encoding data packets with collision-resistant codes before transmission. Receivers are pre-configured with knowledge of the encoding schemes and expected signal structures. This allows the system to handle collisions without requiring time separation, as the encoding was designed in advance to withstand simultaneous transmissions, thereby eliminating the need for time-based coordination and reducing transmission delays
3Object-affected harmful factors
If collision avoidance mechanisms are employed, then harmful interference is reduced, but device complexity and protocol overhead increase
Solution Approach 1:
The patent replaces complex mechanical collision avoidance mechanisms (such as time synchronization protocols, carrier sensing, and arbitration procedures) with signal processing-based solutions. By using encoding schemes inherent to the physical layer (e.g., orthogonal frequency-division multiplexing, spread spectrum coding), the system handles collisions through mathematical properties of the signals rather than through complex control protocols, thereby reducing device complexity while effectively managing interference
Data Source
AI summary
Wireless communication collision coding devices, systems, and methods are provided. According to some embodiments, wireless communication systems can generally comprise a plurality of wireless access points and wireless clients. The wireless access points can be controlled by a network controller. The wireless access points can be configured to enable a plurality of wireless clients to wirelessly connect to the wireless access points. The wireless access points can be configured to encode data packets destined for the wireless clients with a collision coding scheme so that wireless data packets concurrently transmitted from at least two wireless access points colliding in air can be decoded at the wireless clients with the collision coding scheme so that data packets are not affected by collisions with another data packet. Other aspects, embodiments, and features, are also claimed and described.