Paging Mechanism in Wireless Communication System
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional wireless communication systems face high computational transmission costs for paging messages due to the need to broadcast messages to all base stations within a large geographic area, even if only a few mobile client devices are present, which degrades system efficiency as the number of devices increases.
Innovation Solution
Implementing a system where base stations broadcast paging messages only when a predetermined threshold of location updates is exceeded, using a processor to accumulate updates and determine when to transmit messages, and employing a unique paging ID system to reduce message size and transmission costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If the paging area is enlarged to cover a large geographic area with many base stations, then the location update computational cost is reduced, but the paging request transmission cost is dramatically increased
Solution Approach 1:
The system segments the large paging area into multiple smaller paging areas, each managed by a different base station. Mobile client devices are assigned to specific smaller paging areas based on their location, allowing location updates to be processed locally without affecting the entire large area. This segmentation reduces the scope of location update computations while enabling targeted paging transmissions only to relevant base stations within the device's current smaller paging area.
2Quantity of substance
If the number of mobile client devices increases, then the system capacity is improved, but the computational cost of transmitting paging messages becomes a significant obstacle
Solution Approach 1:
The system implements local quality by creating smaller paging areas with fewer base stations each, so that paging messages only need to be transmitted to base stations within the specific smaller paging area where mobile client devices are located. This localized approach means that as the number of devices increases, the paging transmission cost does not scale linearly with the total number of devices across the entire large area, but rather only with devices within each smaller paging area.
Data Source
AI summary
A communication system is disclosed which includes a communication network having a paging controller and a plurality of base stations to communicate with at least one mobile client device within the system. Also included in the communication system is a base station, between the plurality of base stations, receiving location updates from the at least one mobile client device; and a processor within the paging controller to accumulate the number of location updates relayed by the base station for each mobile client device, wherein the processor determines whether the accumulated number of location updates received exceeds a predetermined threshold number of location updates. The plurality of base stations each broadcast paging messages to the at least one mobile client device when the predetermined threshold number of location updates is not exceeded. The base station, among the plurality of base stations, solely broadcasts paging messages to the at least one mobile client device when the predetermined threshold number of location updates is exceeded.