MBMS Resource Allocation Across Bandwidth Parts for Low Latency
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Solution Overview
Problem
Conventional network capabilities and technologies are limited in implementing advanced use cases like Multimedia Broadcast Multicast Service (MBMS) due to their restricted applicability and features, especially in uncontrolled environments and with specialized hardware.
Innovation Solution
Implementing advanced wireless communication systems using New Radio (NR) access technology and edge computing for low latency support, enabling efficient resource allocation and management for MBMS.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional network capabilities and technologies are used for MBMS implementation, then device compatibility and ease of deployment are improved, but service features and applicability are limited
Solution Approach 1:
The patent implements dynamic resource allocation for MBMS services, where network resources are flexibly assigned based on real-time service requirements and user demand. The system dynamically adjusts resource allocation between unicast and multicast/broadcast services, enabling advanced MBMS features while adapting to varying network conditions without requiring permanently complex device configurations.
Solution Approach 2:
The patent changes key network parameters including resource allocation strategies, transmission modes, and service delivery mechanisms to enable advanced MBMS functionality. By modifying parameters such as latency thresholds, resource block assignments, and multicast group configurations, the system achieves enhanced service features while managing device complexity through standardized parameter adjustments rather than hardware complexity.
2Loss of time
If conventional network technologies are used, then ease of operation is improved, but latency performance deteriorates
Solution Approach 1:
The patent implements preliminary actions by pre-configuring resource allocations and establishing multicast/broadcast service frameworks in advance. Edge computing nodes pre-process and cache content before delivery, and the system pre-allocates network resources for MBMS services, reducing actual delivery latency while maintaining operational simplicity through automated preconfiguration procedures.
Solution Approach 2:
The patent introduces edge computing nodes as intermediaries between the core network and end users. These intermediary nodes perform local content delivery, caching, and processing, significantly reducing latency for MBMS services while keeping the core network operations simple and standardized. The edge nodes handle time-critical operations locally without complicating overall network operation.
3Reliability
If conventional network capabilities are used, then device compatibility is improved, but service quality and features are limited
Solution Approach 1:
The patent implements universal resource allocation mechanisms that allow standard devices to access enhanced MBMS services. The system uses universal signaling protocols and standardized interface definitions that work across different device types. By creating multi-functional resource allocation frameworks that serve both traditional and advanced services through common infrastructure, the patent improves service quality without requiring specialized hardware in end devices.
Solution Approach 2:
The patent replaces hardware-based service differentiation with software-defined resource allocation and network-controlled service delivery. Instead of requiring specialized hardware capabilities in devices, the system uses software-based mechanisms including virtual resource allocation, software-defined networking principles, and network-controlled service quality management to deliver enhanced MBMS features to standard devices.
Data Source
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AI summary
Methods, apparatus, systems, architectures, and interfaces for receiving a Multimedia Broadcast Multicast System (MBMS) service performed by a wireless transmit receive unit (WTRU) are provided. A method may include any of: receiving MBMS service configuration information including information indicating, for an MBMS service, an association between a transmission mode (TM) and a bandwidth part (BWP); receiving the MBMS service using a first BWP according to the received MBMS service configuration information; detecting a trigger for changing use of a BWP from using the first BWP to using a second BWP for receiving the MBMS service; determining a TM associated with the second BWP according to an association between a TM and the second BWP, according to an association indicated by the information included in the MBMS service configuration information; and receiving the specific MBMS service via the second BWP according to the TM associated with the second BWP.