Dual Receiver UE for Simultaneous MBMS and Dedicated Service Reception
Solution Overview
Problem
Current wireless communication systems, particularly in UMTS networks, face challenges in efficiently managing dual receiver user equipment (UE) for simultaneous reception of MBMS and dedicated services on different frequencies, leading to interoperability issues and resource optimization limitations.
Innovation Solution
Implementing dual receiver UEs capable of simultaneous reception of dedicated services and MBMS point-to-point/multipoint services on one frequency, with separate frequency layers for MBMS, and using frequency convergence and counting procedures to optimize resource usage, while ensuring backwards compatibility with single receiver UEs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If dual receiver UEs are used to simultaneously receive dedicated services and MBMS services on different frequencies, then service reception capability is improved, but device complexity increases
Solution Approach 1:
The patent divides the UE into two separate receivers: a first receiver dedicated to receiving dedicated services on a first frequency, and a second receiver dedicated to receiving MBMS services on a second frequency. This segmentation allows each receiver to be optimized for its specific function while enabling the UE to simultaneously receive both service types without interference, thus improving service reception capability while managing device complexity through functional separation.
2Productivity
If MBMS frequency is hidden from single receiver UEs, then resource optimization is improved, but ease of operation deteriorates
Solution Approach 1:
The patent applies different visibility policies for different UE types: MBMS frequency information is hidden from single receiver UEs to optimize resource usage and prevent them from attempting to receive MBMS services they cannot handle, while dual receiver UEs are provided with this information to enable them to utilize both dedicated and MBMS services simultaneously. This local quality approach tailors the information provision to the specific capabilities of each UE type.
3Reliability
If separate frequency layers are used for MBMS services, then service quality is improved, but network complexity increases
Solution Approach 1:
The patent introduces a separate frequency layer (second frequency) specifically for MBMS services, distinct from the first frequency used for dedicated services. This dimensional separation in the frequency domain allows MBMS services to operate independently without interfering with dedicated services, improving service quality and reliability. The dual receiver UE is configured to receive on both frequency layers simultaneously, leveraging this additional dimensional resource.
Data Source
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AI summary
A method for communicating between a network and a dual receiver UE includes receiving first signaling from a first network node at a first frequency, and receiving second signaling via a PtM control channel from a second network node at a second frequency. The method further includes receiving a request from the second network node at the second frequency, such that the request is carried on the PtM control channel, and transmitting to the first network node a response to the request from the second network node. An alternative method includes receiving communications from a first network node, and identifying that the first network node lacks uplink capabilities. This method may further include identifying that the first network node provides a MBMS service, and receiving the MBMS service from the first network node despite the identification of the lack of uplink capabilities.