RAKE Resource Multiplexing via Discontinuous Uplink Transmission
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Solution Overview
Problem
Current wireless network systems face inefficiencies in managing uplink data transmissions, particularly in handling varying traffic patterns and reducing RAKE receiver resources, which limits system capacity and increases overhead.
Innovation Solution
The method involves coordinating uplink transmissions by selecting an acknowledgement process and determining control parameters for discontinuous transmission modes, aligning uplink burst cycles with the acknowledgement process, and allocating receiver resources accordingly, allowing for the multiplexing of multiple mobile terminals on the same receiver resources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If uplink transmissions are reduced to save RAKE receiver resources, then receiver resource utilization improves, but system capacity and responsiveness to data bursts deteriorate
Solution Approach 1:
The patent implements discontinuous transmission mode where mobile terminals transmit uplink data in periodic bursts rather than continuously. The terminal enters idle periods between transmissions, allowing the base station to release RAKE receiver resources during these intervals. This periodic action pattern enables the system to maintain full responsiveness during active transmissions while significantly reducing average resource consumption, thereby resolving the contradiction between resource savings and system capacity.
2Productivity
If intelligent scheduling is implemented to determine transmission timing, then resource allocation efficiency improves, but system complexity increases
Solution Approach 1:
The patent employs preliminary action by having mobile terminals indicate their intended transmission timing in advance through buffer status reports and scheduling requests. The terminal prepares transmission information ahead of time, allowing the base station scheduler to pre-allocate RAKE receiver resources and coordinate with other terminals before actual data transmission begins. This advance planning simplifies real-time scheduling decisions and reduces computational complexity during active transmissions.
3Quantity of substance
If discontinuous transmission mode is used to reduce overhead, then resource overhead decreases, but transmission regularity and predictability worsen
Solution Approach 1:
The patent implements dynamics by making the transmission pattern adaptive rather than fixed. The discontinuous transmission mode dynamically adjusts between active transmission periods and idle intervals based on data buffer status, channel conditions, and scheduling decisions. The terminal can transition between transmission and idle states flexibly, allowing the system to optimize the balance between overhead reduction and transmission regularity according to real-time conditions, thereby resolving the contradiction between reduced overhead and maintained predictability.
Data Source
AI summary
A receiver resource administrator coordinates uplink transmissions from a mobile terminal in order to reduce the RAKE resources required to support the mobile terminal and to provide greater predictability in the uplink transmissions. The reduction of RAKE resources and the increased predictability of the uplink transmissions enable multiplexing of multiple mobile terminals using the same RAKE resources.