Dynamic SLPID Reassignment in BWA Sleep Mode
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In BWA communication systems, the existing sleep mode identifier (SLPID) management is inefficient, leading to increased processing time and resource wastage due to fixed SLPID allocation and excessive SLPID bitmaps, especially when a large number of mobile stations enter sleep mode.
Innovation Solution
A method and system for periodically updating and reallocating SLPIDs by the base station during the sleep mode, allowing mobile stations to dynamically change their SLPIDs, reducing the need for extensive bitmap processing and improving resource management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If fixed SLPID allocation is used, then initial setup is simple, but processing time increases and resources are wasted when many mobile stations enter sleep mode
Solution Approach 1:
The patent implements dynamic SLPID allocation where the base station periodically updates SLPIDs for mobile stations in sleep mode. Instead of fixed allocation, SLPIDs are reassigned based on current system state, allowing the identifier management to adapt to varying numbers of active mobile stations, thereby reducing processing time and resource waste.
Solution Approach 2:
The system changes the SLPID parameter periodically through base station updates. By modifying the SLPID assignment dynamically rather than keeping it static, the system optimizes resource utilization and reduces processing overhead when many mobile stations are in sleep mode, while maintaining manageable complexity through automated updates.
2Ease of manufacture
If fixed SLPID allocation is used, then initial configuration is straightforward, but resource wastage increases due to excessive SLPID bitmaps
Solution Approach 1:
The patent enables the base station to recover and reuse SLPIDs by periodically updating allocations. When mobile stations remain in sleep mode or become inactive, their SLPIDs are reclaimed and reallocated to active stations, preventing resource wastage from excessive SLPID bitmaps while maintaining simple initial configuration through automated management.
3Productivity
If dynamic SLPID updating is implemented, then processing efficiency improves, but system complexity increases
Solution Approach 1:
The base station performs automatic SLPID updates without requiring manual intervention or complex coordination protocols. The system self-manages the dynamic allocation by periodically reassigned SLPIDs based on current mobile station states, improving processing efficiency while containing complexity through centralized automated control rather than distributed complex algorithms.
Data Source
AI summary
A system and method for updating a sleep identifier (SLPID) of a mobile station (MS) in a broadband wireless access (BWA) communication system having a sleep mode in which there is no transmission data and an awake mode in which there is transmission data. Upon recognizing a need to update an SLPID allocated to an MS in the sleep mode in the initial phase of the sleep mode, a base station (BS) reallocates a new SLPID to be allocated to the MS and transmits SLPID update information to the MS. Upon receiving the SLPID update information for its current SLPID during the sleep mode, the MS updates its current SLPID with the reallocated SLPID according to the received update information.