Single-Carrier Block Transmission with Parallel Decoding for High Data Rates
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Solution Overview
Problem
Current single carrier block transmission systems face challenges in operating at 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 implementation of a method and system that employs parallel encoding and decoding in single carrier block transmission, where data streams are divided into multiple streams, separately encoded, and processed using parallel structures to reduce processing speed requirements and complexity, enabling efficient transmission and reception at higher data rates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a straight forward implementation of the decoder (e.g., Viterbi algorithm) is used for high rate wireless communication, then the system can achieve robust communication over multipath channels, but the processing speed requirement becomes extremely high and cannot be met by existing digital technology
Solution Approach 1:
The patent divides the high-rate data stream into multiple lower-rate parallel data streams, each processed by a separate decoder instance. This segmentation allows each decoder to operate at a reduced processing speed while maintaining overall high data rate transmission through parallel processing, resolving the contradiction between reliability and processing speed requirements.
2Reliability
If a channel code is used to ensure robust high rate wireless communication over multipath channels, then communication reliability improves, but the complexity and design effort of the decoder increases significantly
Solution Approach 1:
The patent segments the complex decoding task into multiple simpler parallel decoding operations. By dividing the data stream and using multiple independent decoders, the complexity of each individual decoder is reduced while maintaining overall system reliability through parallel error correction processing.
3Productivity
If a single carrier block transmission system operates at high data rates, then productivity increases, but the processing speed requirements exceed the capabilities of existing digital technology
Solution Approach 1:
The patent achieves high data rate transmission by segmenting the data stream into multiple parallel streams that are processed simultaneously at lower speeds. This allows the system to maintain high overall productivity while each processing component operates within the capabilities of existing digital technology.
Solution Approach 2:
The patent transitions from a single-dimensional sequential processing approach to a multi-dimensional parallel processing architecture. By processing multiple data streams simultaneously in parallel dimensions, the system achieves high effective data rates without requiring any single processing element to operate at prohibitively high speeds.
Data Source
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.