Leaky-Wave Antenna Beam Training With Beacon-Based Preamble Selection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Beam sweeping operations in wireless communications systems lead to extended latency and increased signaling overhead, particularly when using leaky-wave antennas for beam training.
Innovation Solution
Implementing techniques that utilize leaky-wave antennas for beam training by coupling the angle of emission to frequency components, allowing for the generation of beams with varying preamble lengths and cyclic shifts based on detected beacon signals, thereby reducing signaling overhead and improving communication efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If beam sweeping operations are performed using traditional methods, then reliable beam training can be achieved, but latency is extended and signaling overhead increases
Solution Approach 1:
The patent applies preliminary action by pre-configuring multiple preamble configurations (different lengths, cyclic shifts, and resource element assignments) before the actual beam training process. When a beacon signal is detected, the receiving device can immediately select and transmit the appropriate pre-configured preamble without requiring additional signaling or configuration exchanges, thereby reducing latency while maintaining reliable beam training through the use of multiple pre-prepared options
Solution Approach 2:
The patent utilizes parameter changes by varying multiple parameters of the preamble configurations including length, cyclic shift values, and resource element assignments. These different parameter combinations allow the system to adapt to various beam training scenarios and channel conditions, enabling reliable beam acquisition while reducing the need for extensive back-and-forth signaling that would increase latency
2Adaptability or versatility
If beam sweeping operations are performed using traditional methods, then comprehensive beam coverage can be achieved, but signaling overhead increases
Solution Approach 1:
The patent applies segmentation by dividing the beam training process into distinct segments: beacon signal transmission, preamble configuration indication, and selective preamble transmission. Each segment uses optimized signaling - the beacon signal carries essential coverage information, the configuration indication provides multiple preamble options, and the selective transmission reduces redundant signaling. This segmented approach maintains comprehensive beam coverage while minimizing total signaling overhead
Solution Approach 2:
The patent uses partial action by having the receiving device select and transmit only the necessary preamble configuration from the set of indicated configurations, rather than processing or transmitting all possible configurations. This selective approach achieves sufficient beam coverage for the detected beacon signal while avoiding the excessive signaling overhead that would result from handling all possible beam configurations
Data Source
AI summary
Methods, systems, and devices for wireless communication are described. A communication device may receive a beacon signal and, in response, may transmit a preamble based on an indicated preamble configuration. In some examples, the received beacon signal may be associated with one or more power signature identifier. In some cases, the communication device may determine a set of resource elements based on the one or more power signature and may transmit the preamble based on the determined set of resources elements. In some cases, in response to receiving the beacon signal, the communication device may transmit a report including an indication of the subset of resource elements. In some examples, a communication device may transmit a preamble that may include a request for cell information associated with a received beacon signal.