5G Hailing Message for Reduced-Capability Device Access
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Solution Overview
Problem
Current 5G and 6G wireless network technologies require complex and time-consuming processes for user devices to discover and connect to base stations, which can lead to delays and uncertainties, especially for low-capability devices like sensors and actuators that do not require high-performance communications.
Innovation Solution
Implementing low-complexity procedures and protocols that allow user devices to broadcast a hailing message on a specific frequency, enabling them to quickly find and connect to the closest base station by measuring signal amplitude and calculating a reply delay, thereby reducing the need for complex signal processing and minimizing computational demands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional multi-step discovery process is used for user devices to connect to base stations, then connection reliability is improved, but access complexity and time delay increase significantly
Solution Approach 1:
The patent extracts the essential function of base station discovery and initial contact from the complex traditional multi-step process. By implementing a simplified hailing mechanism where user devices broadcast hailing messages and base stations respond with reply messages containing location information, the system separates the critical connection-establishment function from the complex authentication and registration steps that follow.
Solution Approach 2:
Instead of having user devices actively search through multiple base stations using complex measurement procedures, the patent inverts the approach by having base stations actively respond to simple hailing calls. The base stations transmit reply messages containing their location information in response to hailing messages, reversing the traditional discovery paradigm.
2Reliability
If traditional multi-step discovery process is used for user devices to connect to base stations, then connection reliability is improved, but time delay increases significantly
Solution Approach 1:
The patent implements preliminary action by having base stations pre-configure and continuously monitor the hailing frequency for incoming hailing messages. When a hailing message is detected, the base station immediately calculates its location based on received signal strength and transmits a reply message without requiring the user device to perform complex search or measurement procedures.
Solution Approach 2:
The patent rushes through the traditional multi-step discovery process by implementing a direct hailing and replying mechanism that skips the intermediate steps of active scanning, signal measurement, and base station evaluation. The user device simply transmits a hailing message and receives location information in the reply, dramatically reducing access time.
3Device complexity
If simplified hailing message process is used, then access complexity is reduced, but measurement precision requirements increase
Solution Approach 1:
The patent changes the measurement parameter from complex multi-parameter assessment (signal strength, timing, frequency) to a single parameter - received signal strength indicator (RSSI) - for determining base station location. This parameter simplification reduces the complexity requirements for user devices while providing sufficient precision for the hailing and location determination function.
Data Source
AI summary
A user device, such as a vehicle, may find a suitable base station for communication according to a hailing message. A low-complexity hailing procedure, suitable for adding to 5G and 6G standards, is presented. The hailing message may be a brief code indicating that it is a hailing message, and therefore solicits a reply. The hailing message may further include the identification or location of the user device, and/or an indication of which type of entity is being sought, such as a base station. The base stations that receive the hailing message can reply after a calculated delay time, such as a longer delay time if the received amplitude is weak, so that the user device can select whichever base station has the best received signal. Alternatively, the user device can select the base station with the largest received amplitude of the reply message.