Spatially Multiplexed Synchronization Signals for Multi-Antenna Decoding
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Solution Overview
Problem
Existing wireless communication systems face challenges in effectively differentiating and decoding spatially multiplexed synchronization signals, which limits throughput and communication efficiency in networks with multiple antenna ports.
Innovation Solution
Network entities transmit a set of spatially multiplexed synchronization signals using multiple antenna ports, allowing user equipment to receive and decode these signals using distinct sequences, enabling the determination of parameters like cell identifiers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If spatially multiplexed synchronization signals are transmitted using multiple antenna ports, then communication throughput and efficiency are improved, but the ability of user equipment to differentiate and decode these signals becomes limited
Solution Approach 1:
The patent segments the spatially multiplexed synchronization signals by assigning different sequences to signals transmitted from different antenna ports. This segmentation allows user equipment to differentiate between signals from multiple antenna ports through sequence correlation, resolving the contradiction between improved throughput and signal differentiation capability.
2Adaptability or versatility
If multiple antenna ports are used for transmitting synchronization signals, then beam management and cell identifier determination are enhanced, but device complexity increases
Solution Approach 1:
The patent implements multi-functionality by using the same sequence structure and transmission framework across multiple antenna ports. The synchronization signals maintain a universal format that can be differentiated through sequence correlation, allowing the system to achieve enhanced beam management and cell identifier determination without proportionally increasing device complexity.
Data Source
AI summary
Methods, systems, and devices for wireless communications are described. A network entity may transmit a set of spatially multiplexed synchronization signals in a same symbol period. The set of spatially multiplexed synchronization signals may indicate a parameter, such as a cell identifier, for the network entity. The network entity may select a sequence for each synchronization signal of the set. A user equipment (UE) may monitor for the set of spatially multiplexed synchronization signals during the same symbol period. The UE may differentiate each synchronization signal based on a respective sequence used to transmit each synchronization signal. The UE may determine that the set of spatially multiplexed synchronization signals were transmitted by the network entity using multiple antenna ports. The UE may determine the parameter for the network entity based on receiving the set of spatially multiplexed synchronization signals.