Method and system of single carrier block transmission with parallel encoding and decoding
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Solution Overview
Problem
Current single carrier block transmission systems face challenges in achieving high data rates due to the complexity and processing speed requirements of existing digital technologies, particularly in implementing decoders for high-rate wireless communication systems over multipath channels.
Innovation Solution
The system employs parallel encoding and decoding methods by dividing data into multiple streams, separately encoding and interleaving each stream, and using a multiplexing scheme to reduce processing speed requirements and complexity, allowing for efficient transmission and reception of high-rate data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a high rate channel code is used to achieve robust high rate wireless communication over multipath channels, then communication reliability is improved, but decoder implementation complexity and processing speed requirements increase beyond current digital technology capabilities
Solution Approach 1:
The patent divides the encoded data stream into P parallel data streams, each with reduced data rate (R/P). Multiple decoders process these parallel streams simultaneously, reducing individual decoder complexity and processing speed requirements while maintaining overall communication reliability through parallel error correction
2Reliability
If a high rate channel code is used to achieve robust high rate wireless communication over multipath channels, then communication reliability is improved, but processing speed requirements exceed current digital technology capabilities
Solution Approach 1:
The patent segments the high-rate data stream into P parallel lower-rate streams. Each parallel decoder operates at reduced speed (R/P), allowing current digital technology to meet processing speed requirements while maintaining overall high data rate communication through parallel processing
Solution Approach 2:
The patent transitions from single-stream sequential processing to multi-stream parallel processing, adding a temporal dimension to the decoding process. This dimensional change allows the system to achieve high effective processing throughput while keeping individual processor speeds within current technological capabilities
3Productivity
If data is divided into multiple parallel streams for decoding, then processing speed requirements and complexity are reduced, but system device complexity increases due to multiple encoders and decoders
Solution Approach 1:
The patent combines multiple parallel decoding operations into a unified error correction framework. The P decoders work in parallel but are coordinated through a common encoding scheme and data distribution mechanism, reducing overall system complexity compared to implementing P independent error correction systems
Data Source
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Figure 3A~3B
AI summary
A Single Carrier Block Transmission (SCBT) system employs an inherently parallel approach to error correction processing. At the transmission system (200), an incoming data stream is split (210) into P parallel data streams, each having a data rate equal to a fraction of the incoming data stream's data rate. The parallel data streams are then each separately encoded (220) in P parallel encoding processes (beneficially, using P parallel encoders (222)). The P separately encoded data streams are then merged (330), interleaved (320), and mapped (310) into a single stream of encoded symbols, which are transmitted to the receiver using an arbitrary modulation (240) and transmission scheme. At the receiver (255), the received data stream is de-interleaved (350) and split into P encoded data streams, which are then decoded (285) using P parallel decoders. Then, the decoded data streams are combined or multiplexed (295) into a single data stream.