Control Channel Cycle Management for Neighbor List Transmission
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Solution Overview
Problem
In cellular wireless communication systems, the varying size of neighbor lists in System Parameters (SP) messages can lead to inefficient use of control channel cycles, as required messages like QC, sync, and AP messages must be sent frequently, leaving unused capacity that could be utilized to transmit additional information.
Innovation Solution
The method involves reserving a portion of the control channel cycle for essential messages, determining the remaining capacity, selecting and transmitting a portion of the neighbor list that fits within this capacity, and if necessary, splitting the neighbor list transmission across multiple control channel cycles to ensure a predetermined fraction is included.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the neighbor list is transmitted in full in each control channel cycle, then the completeness of information is improved, but the control channel capacity is exceeded and other required messages cannot be transmitted
Solution Approach 1:
The neighbor list information is divided into multiple segments and transmitted across different control channel cycles. The RAN selects a portion of the neighbor list that fits within the remaining capacity of the control channel cycle, and if necessary, splits the neighbor list transmission across multiple control channel cycles to ensure a predetermined fraction is included.
Solution Approach 2:
Instead of transmitting the complete neighbor list in every control channel cycle, the system transmits a partial portion that fits within the available capacity. The patent determines a remaining capacity of the control channel cycle beyond the reserved portion and selects as much of the neighbor list as will fit in the remaining capacity.
2Reliability
If the control channel cycle capacity is fully utilized with required messages, then message transmission reliability is improved, but unused capacity remains that could be used for additional information
Solution Approach 1:
The patent combines the transmission of required messages (QC, sync, AP messages) with additional neighbor list information within the same control channel cycle. By reserving a portion for essential messages and utilizing the remaining capacity for neighbor list transmission, the system merges multiple functions into a single transmission cycle.
Solution Approach 2:
The control channel cycle is designed to serve multiple purposes: transmitting required protocol messages (QC, sync, AP) and simultaneously transmitting neighbor list information. This multi-functional approach allows the control channel to fulfill both its mandatory communication requirements and additional information delivery needs.
3Adaptability or versatility
If the neighbor list size varies, then adaptability to different network conditions is improved, but the control channel capacity planning becomes complex
Solution Approach 1:
The system dynamically adjusts the portion of the neighbor list transmitted based on the remaining capacity of the control channel cycle. The RAN determines the remaining capacity and selects as much of the neighbor list as will fit, allowing flexible adaptation to varying capacity conditions while maintaining manageable complexity through systematic capacity calculation.
Data Source
AI summary
A method for control cycle management in a wireless communication system. In accordance with the method, a radio access network (RAN) reserves at least one portion of a control channel cycle on an air interface forward link to carry a set of information, and determines a remaining capacity of the control channel cycle beyond the reserved portion or portions. The RAN the selects as much of the neighbor list as will fit in the remaining capacity and transmits the selected portion of the neighbor list in the control channel cycle.