Cellular Resource Exchange via Remote Terminal Mediation
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Solution Overview
Problem
Current wireless communication systems face inefficiencies in dynamic resource allocation, leading to suboptimal spectrum sharing and performance due to cumbersome and unreliable information exchange between base stations, which increases complexity, cost, and inflexibility.
Innovation Solution
A cellular communication system that enables efficient resource sharing through downlink and uplink resource exchange discovery messages within a Media Access Control (MAC) frame structure, allowing temporary reallocation of air interface resources between base stations using peer-to-peer mechanisms and a centralized server for negotiation, reducing complexity and overhead.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If base stations exchange resource information via fixed network interconnections, then resource sharing can be achieved, but communication cost and system complexity substantially increase
Solution Approach 1:
The patent introduces remote terminals as intermediary devices that base stations use to exchange resource information. Instead of direct base station-to-base station communication via fixed networks, base stations send discovery messages to remote terminals, which then relay resource availability information back to other base stations. This intermediary approach reduces the complexity and cost of direct inter-base station connections while enabling resource sharing.
Solution Approach 2:
The patent replaces the mechanical/fixed network connection system with a wireless communication system. Base stations communicate resource information wirelessly through remote terminals using radio frequency signals, eliminating the need for physical fixed network interconnections between base stations. This substitution reduces infrastructure complexity and deployment costs.
2Reliability
If base stations establish direct physical RF links for information exchange, then communication reliability improves, but implementation complexity and cost increase
Solution Approach 1:
The patent uses remote terminals as mediators that receive discovery messages from one base station and transmit resource information to other base stations. This intermediary approach enables reliable communication without requiring direct physical RF links between all base stations, reducing implementation complexity while maintaining communication reliability through the terminal-mediated channel.
Solution Approach 2:
The patent makes remote terminals serve multiple functions: they act as regular communication devices for their serving base station while simultaneously functioning as information relays for resource discovery between neighboring base stations. This multi-functionality eliminates the need for dedicated communication infrastructure between base stations, reducing complexity while maintaining reliability.
3Ease of manufacture
If static resource allocation is used for spectrum sharing, then implementation simplicity is maintained, but resource utilization efficiency deteriorates
Solution Approach 1:
The patent implements dynamic resource allocation through discovery messages that are periodically exchanged between base stations via remote terminals. Base stations can discover and temporarily allocate unused resources from other base stations based on current resource availability and demand conditions. This dynamic approach maintains relative implementation simplicity while significantly improving resource utilization efficiency compared to static allocation.
Solution Approach 2:
The patent establishes a feedback mechanism where base stations periodically send discovery messages about their resource availability and receive information about resources offered by other base stations. This feedback loop enables base stations to adapt their resource allocation dynamically, temporarily acquiring unused resources when needed and releasing them when not required, thereby improving overall resource utilization while maintaining implementation simplicity.
4Productivity
If dynamic resource reallocation between base stations is implemented, then resource utilization improves, but information exchange complexity increases
Solution Approach 1:
The patent uses remote terminals as intermediaries to simplify the information exchange process for dynamic resource reallocation. Base stations send discovery messages containing resource availability information to remote terminals, which then relay this information to other base stations. This intermediary approach reduces the complexity of direct base station-to-base station information exchange while enabling dynamic resource reallocation and improved resource utilization.
Data Source
AI summary
A cellular communication system comprises a set of base stations (201,203) which transmit downlink resource exchange discovery messages to remote terminals in resource allocations of a Media Access Control, MAC, frame structure. The discovery messages may indicate that a base station has resource available for reallocation to another base station or that a base station is seeking resource to be allocated from another base station. A remote terminal (205) comprises a receiver (401, 403) which receives a first message of the downlink resource exchange discovery messages from at least a first base station (201). A discovery message transmit processor (407) generates a second message, which is an uplink resource exchange message comprising resource exchange data determined from the first message, and transmits this to a second base station (203). The second base station (203) then initiates a temporary air interface resource reallocation with the first base station in response to receiving the second message.