MBSFN Frame Signaling via Joint Parameter Encoding
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Solution Overview
Problem
Current MBMS subframe signaling in E-UTRAN networks is inefficient, leading to limited reservation options and wastage of bandwidth due to the fixed set of possible reservations per time period, which restricts the flexibility of resource allocation and results in unnecessary code points and resource wastage.
Innovation Solution
Introducing an additional parameter Q to indicate the number of MBSFN frames, allowing for the efficient signaling of an arbitrary number of frames per 320 ms, reducing the need for additional signaling bits and optimizing resource allocation by combining Period and Offset parameters into a single signaling value X, which is then used to derive Offset and Q.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If fixed set of possible reservations per time period is used for MBMS subframe signaling, then signaling simplicity is maintained, but resource allocation flexibility is restricted and bandwidth wastage occurs
Solution Approach 1:
The patent changes the signaling parameters from a fixed set of reservation options to a dynamic parameter Q that can indicate any number of frames from 0 to 31 within a 320 ms period. This parameter transformation allows arbitrary resource allocation while maintaining efficient signaling through mathematical relationships between parameters.
Solution Approach 2:
The patent introduces dynamic adaptability by allowing the network to flexibly adjust the number of MBSFN frames (parameter Q) based on actual service requirements. The system transitions from static predefined reservations to dynamic on-demand allocation, enabling resources to be adapted to varying MBMS traffic demands without waste.
2Adaptability or versatility
If additional parameters are added to signal arbitrary number of frames, then resource allocation flexibility is improved, but signaling burden increases
Solution Approach 1:
The patent merges multiple parameters (Period and Offset) into a single composite signaling value X. This consolidation reduces signaling overhead by transmitting one value instead of multiple separate parameters, while still enabling precise identification of MBSFN frames through mathematical derivation at the receiver side.
Solution Approach 2:
The patent introduces parameter Q as an intermediary that bridges the gap between service requirements and frame allocation. This intermediate parameter simplifies the signaling process by directly indicating the number of frames needed, which then maps to specific frame allocations through predefined relationships with Period and Offset parameters.
3Loss of energy
If fixed reservation patterns are used, then signaling overhead is reduced, but bandwidth wastage occurs due to unused reserved frames
Solution Approach 1:
The patent implements partial reservation by allowing the network to reserve exactly the number of frames needed (parameter Q) rather than always reserving fixed patterns. This prevents excessive reservation of frames that would remain unused, improving bandwidth utilization by matching reservations closely to actual service requirements without over-provisioning.
Data Source
AI summary
The Exemplary embodiments of the invention provide at least a method, apparatus, and computer program for signaling parameters to at least one network node in a communications network. In accordance with the exemplary embodiments, the signaling is performed by operations that include, signaling a first parameter A, and jointly signaling, to the at least one network node in the communications network, a second parameter B and a third parameter C. In addition, the exemplary embodiments of the invention provide at least a method, apparatus, and computer program for receiving parameters from at least one network node in a communications network by operations that include receiving signaling comprising a first parameter A and joint signaling indicating a second parameter B and a third parameter C, and extracting the parameters from the received signaling.