MBMS Control Channel Resource Allocation via Dynamic Notification
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Solution Overview
Problem
The existing wireless communication systems face inefficiencies in using radio resources due to difficulties in promptly responding to changes in MBMS control channel information, leading to inefficient resource allocation and uncertainty in receiving control information for specific services.
Innovation Solution
A method is introduced that utilizes a notification indicator channel and a control channel to efficiently manage radio resources by transmitting identifiers and transport information, ensuring that user equipment receives control information only when the identifier matches the stored service identifier, using channels like L1/L2 control channels or PDCCH, and designating specific transport times for control information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If MBMS control channel information is transmitted through a semi-static radio resource, then the control channel can be reliably transmitted, but the system cannot promptly respond to changes in control channel size or radio channel conditions
Solution Approach 1:
The patent applies dynamics by transitioning from a semi-static radio resource allocation to a dynamic one. The network can now flexibly allocate radio resources for MBMS control channel based on real-time conditions such as channel size changes and radio channel quality, enabling prompt response to variations while maintaining transmission reliability through adaptive resource management
Solution Approach 2:
The patent utilizes parameter changes by modifying radio resource allocation parameters dynamically. When changes in control channel size or radio channel conditions occur, the system adjusts the allocated radio resources accordingly, allowing the control channel to adapt to varying transmission requirements while preserving reliable communication
2Reliability
If the network transmits control information through fixed channels, then user equipment can receive control information, but radio resources are used inefficiently when channel size or conditions change
Solution Approach 1:
The patent implements dynamics in radio resource allocation for control channels. Instead of using fixed channels, the system dynamically assigns radio resources based on actual transmission needs, ensuring efficient use of spectrum and reducing energy waste when channel size or conditions change, while still guaranteeing control information delivery to user equipment
Solution Approach 2:
The system applies self-service principles where the network autonomously adjusts radio resource allocation based on real-time conditions. When channel size or radio channel quality changes, the network automatically reconfigures resource allocation without requiring manual intervention, optimizing radio resource efficiency while maintaining reliable control information transmission
Data Source
AI summary
A method of transmitting control information for a multimedia broadcast/multicast service (MBMS) in a wireless communication system, and a method of receiving control information for an MBMS are discussed. The method of transmitting control information according to one embodiment includes transmitting first control information including an MBMS related identifier and a fixed size of a notification bitmap to at least one user equipment; and transmitting second control information which has been changed to the at least one user equipment after the transmission of the first control information. The second control information is transmitted via a multicast control channel (MCCH).