OFDM Single Carrier Signal Processing Weight Pre-computation
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Solution Overview
Problem
Current wireless communication systems face challenges in achieving low-latency signal transmission at super-high speeds in super-high-frequency bands.
Innovation Solution
The method involves a transmitter that sends configuration information and control information, including time domain resource allocation, to a receiver. The transmitter generates a weight for signal processing based on the configuration information and uses this weight to process modulation symbols for transmission, multiplying it for each time sample.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If conventional signal processing methods are used in super-high-frequency bands, then signal transmission can be achieved, but transmission latency is high and processing speed is limited
Solution Approach 1:
The patent pre-calculates and stores weights for signal processing operations before actual data transmission occurs. These pre-computed weights are stored in memory and quickly applied during transmission, eliminating the need for real-time complex calculations and thereby reducing processing latency while maintaining high processing speed
Solution Approach 2:
The patent implements a hybrid processing approach where the system dynamically switches between pre-computed weight application for standard operations and real-time computation for exceptional cases. This dynamic adaptation optimizes both processing speed and latency by using the most efficient method appropriate for each specific transmission scenario
2Measurement precision
If real-time weight calculation is performed for each transmission, then signal accuracy is maintained, but processing time increases
Solution Approach 1:
The system pre-calculates signal processing weights based on channel characteristics and stores them for rapid retrieval. This preliminary computation ensures signal accuracy is maintained while avoiding time-consuming real-time calculations during actual data transmission
Solution Approach 2:
The patent creates and stores copies of pre-computed weight values in memory. These copied weights can be quickly applied multiple times without re-computation, maintaining processing accuracy while significantly reducing the time required for each individual transmission operation
3Productivity
If complex signal processing algorithms are used to achieve high data rates, then transmission efficiency improves, but system complexity increases
Solution Approach 1:
The patent performs complex signal processing computations in advance and stores the results as pre-computed weights. This shifts the computational burden from the transmission phase to a setup phase, allowing high data transmission rates to be achieved during actual operation without requiring complex real-time processing algorithms
Solution Approach 2:
The patent replaces complex real-time computational mechanisms with simpler weight multiplication operations. By substituting intricate signal processing algorithms with straightforward applications of pre-computed weights, the system achieves high productivity while reducing device complexity
Data Source
AI summary
The present disclosure relates to a communication technique for merging, with an IoT technology, a 5G communication system for supporting a higher data transmission rate than a 4G system, and a system therefor. The present disclosure can be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security- and safety-related services, and the like) on the basis of a 5G communication technology and an IoT-related technology. A terminal according to an embodiment of the present disclosure can prepare signal processing before receiving a data signal by storing, in a memory, information pre-configured from a base station and reconstruct a signal by sequentially and rapidly processing time symbols in sample units, thereby performing fast signal processing on a single carrier.