Cellular Network Data Reflection for Localized Service Delivery
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Solution Overview
Problem
Current location-based services in cellular communication networks face inefficiencies in providing localized information due to delays and processing overhead, particularly in distributing content to a spatially restricted group of terminals.
Innovation Solution
The concept of data reflection, where a network upload message with a payload is recognized and reflected by a reflection entity within the cellular network, allowing it to be sent to terminals in a predetermined spatial relationship without additional processing, using indicators like server addresses or flags to identify reflection messages, and maintaining unicast, broadcast, or multicast channels for efficient delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional location-based services use GPS or Mobile Positioning System with timing advances and triangulation to determine terminal location, then location accuracy is improved, but processing time and system complexity increase
Solution Approach 1:
The patent extracts the location determination function from complex GPS/MPS processing and relocates it to the network infrastructure side. The network entity determines the terminal's location area based on cell ID information already available in the network, eliminating the need for complex timing advances and triangulation calculations at the terminal side. This reduces processing time while maintaining location accuracy for the purpose of localized information distribution.
Solution Approach 2:
The patent introduces a network entity as an intermediary between the terminal and the information distribution system. This intermediary receives the terminal's cell ID, determines the location area, and manages the distribution of localized information. This mediator simplifies the overall process by centralizing location-based decision making in the network infrastructure rather than requiring complex terminal-side processing.
2Area of stationary object
If Cell Broadcast Service is used to distribute information to terminals in one or more cells, then coverage area is improved, but message distribution to specific spatial groups becomes less efficient
Solution Approach 1:
The patent applies local quality by making the information distribution targeted and location-specific rather than blanket broadcasting. The network entity determines the terminal's location area and distributes information only to terminals in that specific location area or neighboring areas. This selective distribution improves productivity by avoiding unnecessary message transmission to terminals outside the relevant spatial group while maintaining adequate coverage for the target audience.
Solution Approach 2:
The patent segments the broadcast area into location areas based on cell ID information and terminal positions. Instead of treating all cells uniformly, the system divides the network into manageable location areas and distributes information selectively to relevant segments. This segmentation enables efficient targeted distribution to spatially restricted groups while maintaining the ability to expand coverage to neighboring areas when needed.
3Speed
If network upload message is reflected to all terminals in the network, then distribution speed is improved, but information relevance to specific terminals deteriorates
Solution Approach 1:
The patent ensures that reflected information maintains local quality by targeting distribution to terminals in the same location area or neighboring location areas. The network entity uses the source terminal's cell ID to determine the location area and selectively reflects the message only to terminals in relevant areas. This preserves information relevance by ensuring recipients are actually in the geographic area where the information is applicable, while maintaining fast distribution through the reflection mechanism.
Data Source
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AI summary
A method of providing a localized information service using an infrastructure of a cellular communication network is described. It comprises a service source terminal transmitting a network upload message to the cellular communication network, said network upload message comprising a payload part, a reflection entity of said cellular communication network receiving said network upload message, generating one or more reflection messages comprising said payload part, and sending said one or more reflection messages to a group of service destination terminals that stand in a predetermined spatial relationship with said service source terminal.