SDMA Group Allocation for Wireless Throughput and Power Management
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current Spatial Division Multiple Access (SDMA) communication systems face challenges in efficiently managing and scheduling simultaneous downlink and uplink transmissions across multiple wireless communication devices, particularly in allocating resources and ensuring non-overlapping response times, which affects overall network performance and power management.
Innovation Solution
The system employs a method of assigning wireless communication devices to SDMA groups based on traffic specification requirements, using group allocation frames to determine response orders and scheduling frames for power management, allowing simultaneous transmissions and receptions while optimizing power save modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If simultaneous downlink and uplink transmissions are implemented using SDMA, then network throughput and resource allocation efficiency are improved, but scheduling complexity and difficulty of managing non-overlapping response times increase
Solution Approach 1:
The patent segments the network devices into different SDMA groups based on their traffic specification requirements and spatial characteristics. This segmentation allows the system to manage simultaneous transmissions by organizing devices into manageable groups, reducing scheduling complexity while maintaining high network throughput through parallel group communications.
Solution Approach 2:
The patent implements dynamic scheduling mechanisms that adaptively adjust transmission parameters, group assignments, and response time allocations based on real-time network conditions. This dynamic approach enables the system to optimize resource allocation for simultaneous downlink and uplink transmissions while automatically managing scheduling complexity through adaptive control.
2Use of energy by moving object
If power save modes are optimized for simultaneous transmissions, then energy efficiency is improved, but communication reliability and response time coordination become more difficult to manage
Solution Approach 1:
The patent establishes predetermined rules and protocols for power save mode operations in SDMA groups before simultaneous transmissions begin. These preliminary arrangements include predefined response time windows, wake-up schedules, and conflict resolution mechanisms that ensure communication reliability is maintained even when devices operate in power save modes during simultaneous transmissions.
3Ease of operation
If group allocation frames are used to manage response orders, then coordination efficiency is improved, but frame overhead and protocol complexity increase
Solution Approach 1:
The patent combines multiple coordination functions into unified group allocation frames that simultaneously convey group membership information, response order assignments, and power save mode instructions. This merging reduces the number of separate protocol elements needed, improving coordination efficiency while managing protocol complexity through consolidation of related control functions.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
Some demonstrative embodiments include devices, systems and/or methods of simultaneously communicating with a group of wireless communication devices. For example, a wireless communication unit may assign a plurality of wireless communication devices to at least one Space-Division Multiple Access (SDMA) group based on traffic-specification (TSPEC) information corresponding to the plurality of wireless communication devices, wherein the wireless communication unit is to simultaneously transmit a plurality of different wireless communication transmissions to the plurality of wireless communication devices of the group, respectively. Other embodiments are described and claimed.