Overlapping Bandwidth Parts for Multi-Service Wireless Reception
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing wireless communications systems face challenges in efficiently supporting a wide range of devices with diverse data traffic profiles and services, such as eMBB and URLLC, due to limitations in activating multiple bandwidth parts (BWPs) simultaneously, leading to suboptimal power consumption and service handling.
Innovation Solution
The implementation of communications devices with transceiver and controller circuitry to manage multiple overlapping bandwidth parts, including a primary and secondary BWP structure, allowing simultaneous activation and deactivation based on service requirements, and the capability to indicate support for multiple active BWPs to the network.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If only a single bandwidth part is activated at a time, then device complexity is reduced and power consumption is lowered, but the ability to efficiently support diverse services with different numerologies is compromised
Solution Approach 1:
The system segments the overall bandwidth into multiple bandwidth parts (BWPs), each configured with different numerologies suitable for different service types. This allows the device to divide and manage different service requirements independently through separate BWPs, enabling simultaneous support for diverse services like eMBB and URLLC without requiring a single complex configuration.
Solution Approach 2:
The system dynamically activates and deactivates bandwidth parts based on service requirements. When a service requiring specific numerology needs to be deployed, the corresponding BWP is activated; when not needed, it is deactivated. This dynamic management allows the device to adapt to changing service demands while maintaining manageable complexity through on-demand activation rather than permanent multi-BWP support.
2Productivity
If multiple bandwidth parts are simultaneously activated, then diverse services with different numerologies can be efficiently supported, but power consumption increases due to continuous monitoring and processing of multiple bandwidth parts
Solution Approach 1:
Instead of continuously monitoring all configured bandwidth parts, the device periodically activates specific BWPs based on service requirements and deactivates them when services are completed. This periodic activation pattern allows efficient service handling when needed while reducing power consumption during idle periods, as the device only processes active BWPs rather than maintaining continuous monitoring of all possible bandwidth parts.
3Adaptability or versatility
If multiple bandwidth parts are simultaneously activated, then diverse services can be supported, but the device complexity and signal processing requirements increase
Solution Approach 1:
Each bandwidth part is configured with specific local qualities (numerologies) optimized for particular service types. For example, certain BWPs are configured with numerologies suitable for high-data-rate services while others are optimized for low-latency services. This local quality assignment allows the device to handle diverse services efficiently by processing each BWP with its specialized configuration, reducing overall processing complexity compared to using a single universal configuration for all services.
Data Source
AI summary
Communications devices for communicating via a wireless access interface are provided. In one embodiment, a communications device comprises transceiver circuitry and controller circuitry configured in combination to receive signals using at least two of a plurality of bandwidth parts of the wireless access interface, each of the bandwidth parts being smaller than and within a carrier bandwidth of the wireless access interface, wherein the at least two of the bandwidth parts at least partially overlap in frequency resources of the carrier bandwidth and time resources of the wireless access interface, to receive the signals via both of the at least two bandwidth parts, and to decode the signals received via each of the at least two bandwidth parts separately.