RBR Query for Codec Mode Request Bit Rate Change
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Solution Overview
Problem
Current wireless communication systems lack visibility into bit rate changes between user equipment (UEs) and the network, leading to inefficient resource optimization and suboptimal voice quality due to the absence of recommended bit rate (RBR) queries from mobile terminating UEs.
Innovation Solution
Implementing a method where a mobile terminating UE initiates an RBR query when receiving a codec mode request (CMR) for a higher bit rate than the current rate, allowing the network to respond and optimize resource allocation by recommending either the new or current bit rate based on channel conditions and load.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a mobile terminating UE does not initiate RBR queries for bit rate changes, then device complexity and signaling overhead are reduced, but the network loses visibility into bit rate modifications resulting in suboptimal resource allocation
Solution Approach 1:
The patent implements a feedback mechanism where the mobile terminating UE sends RBR queries to the network when receiving CMR messages for bit rate changes. This feedback loop provides the network with visibility into bit rate modifications while maintaining a simple implementation - the UE only needs to send a query message when specific conditions are met (receiving CMR for higher bit rate), rather than continuously reporting all bit rate changes.
2Productivity
If the network implements RBR query response mechanisms, then resource allocation efficiency is improved, but network device complexity increases
Solution Approach 1:
The network device is pre-configured with the capability to respond to RBR queries based on current network conditions. When an RBR query is received, the network already has the necessary mechanisms in place to evaluate channel conditions and load, and can immediately provide an appropriate bit rate recommendation. This preliminary preparation minimizes the complexity increase during actual operation.
3Loss of information
If RBR queries are initiated for all bit rate changes, then network visibility and resource optimization are maximized, but signaling overhead and latency increase
Solution Approach 1:
The patent implements partial action by having the UE send RBR queries only in specific scenarios - when receiving a CMR message for a higher bit rate than currently being used. This selective approach provides the network with sufficient visibility to optimize resource allocation for upward bit rate changes while avoiding unnecessary signaling for downward changes or other scenarios, thus balancing network visibility with latency considerations.
Data Source
AI summary
A method for wireless communication by a first user equipment (UE) includes receiving, from a second UE, a codec mode request (CMR) for a new bit rate. The method also includes transmitting, to a network device, a recommended bit rate (RBR) query in response to the new bit rate exceeding a current bit rate. The method still further includes communicating with the second UE using the new bit rate or the current bit rate. A method of wireless communication by a network device includes transmitting, to an originating UE, an RBR for a new bit rate. The method also includes receiving, from a terminating UE, an RBR query in response to the new bit rate exceeding a current bit rate. The method further includes transmitting, to the terminating UE, a response to the RBR query.