Transmission Parameter Selection for Wireless Systems
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Solution Overview
Problem
In wireless communication systems, the selection of transmission parameters such as modulation and coding schemes (MCS) and resource block allocations can result in non-self-decodable turbo codes, leading to decreased system performance as the receiving device struggles to decode the data, consuming excess power and processing resources.
Innovation Solution
A method where user equipment (UE) identifies tables indicating combinations of MCS and resource block allocations associated with self-decodable or pseudo-non-self-decodable codes, allowing it to select appropriate combinations to avoid non-self-decodable codes, thereby improving system throughput.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a UE selects transmission parameters (MCS and resource block allocations) without verification, then the transmission can proceed quickly, but the selected parameters may result in non-self-decodable codes that decrease system performance and increase power consumption
Solution Approach 1:
The patent applies preliminary action by pre-identifying and storing tables of non-self-decodable code combinations before actual data transmission. The UE uses these pre-computed tables to check and validate selected transmission parameters against known problematic combinations, preventing the selection of non-self-decodable codes before transmission occurs. This advance preparation ensures both high throughput and reliable decodability without real-time computation delays.
2Reliability
If the receiving device attempts to decode non-self-decodable codes, then decoding is attempted, but excessive power and processing resources are consumed
Solution Approach 1:
The patent applies preliminary anti-action by proactively preventing the transmission of non-self-decodable codes through pre-identified tables. The transmitting UE checks selected transmission parameters against these tables before transmission, and the receiving UE uses the same tables to verify incoming transmissions. This prevents the receiving device from wasting power attempting to decode inherently undecodable codes, as the problematic combinations are identified and avoided in advance.
3Productivity
If the transmitting device transmits non-self-decodable data, then transmission occurs, but channel resources are wasted and system performance decreases
Solution Approach 1:
The patent implements feedback mechanisms where UEs share information about non-self-decodable code combinations through system information blocks or direct communication. The transmitting UE receives feedback about problematic parameter combinations from the network or other UEs, updates its local tables accordingly, and uses this feedback to adjust its transmission parameter selections. This feedback loop ensures channel resources are used effectively by avoiding known non-self-decodable combinations while maintaining high transmission effectiveness.
Data Source
AI summary
Methods, systems, and devices for wireless communications are described. A user equipment (UE) may identify combinations of modulation and coding schemes and resource block allocations that are associated with non-self-decodable codes. The UE may select a combination of a modulation and coding scheme and a resource block allocation based at least in part on the combinations of modulation and coding schemes and resource block allocations that are associated with non-self-decodable codes. The UE may transmit data over the physical channel in a communication generated using the selected combination of the modulation and coding scheme and the resource block allocation.