Bandwidth Part Frequency Resource Allocation for Wireless Communication
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Solution Overview
Problem
Wireless communication networks face interference and inefficiencies in resource allocation, particularly as demand for mobile broadband increases, leading to degraded performance due to shared network resources and varying communication type requirements.
Innovation Solution
The method involves dynamically allocating frequency resources of a bandwidth part (BWP) based on different communication types, such as enhanced mobile broadband (eMBB) and ultra-reliable low-latency communications (URLLC), by assigning specific frequency resources and parameters to each type, allowing for optimized resource utilization and reduced interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If frequency resources are shared among multiple communication types, then network resource utilization is improved, but interference increases and performance degrades
Solution Approach 1:
The bandwidth part is segmented into multiple frequency resource sets, where each set is dedicated to a specific communication type (e.g., eMBB, URLLC, mMTC). This segmentation allows different communication types to operate on separate frequency resources, eliminating mutual interference while maintaining high resource utilization. The base station dynamically selects and configures appropriate frequency resource sets based on the required communication type.
Solution Approach 2:
Different frequency resource sets within the bandwidth part are assigned different local qualities optimized for specific communication types. For example, certain frequency resources are allocated with parameters suitable for low-latency URLLC communications, while others are optimized for high-throughput eMBB communications. This local optimization ensures that each communication type receives resources tailored to its specific requirements, improving overall system performance.
2Reliability
If frequency resources are allocated specifically for each communication type, then interference is reduced and performance is improved, but resource allocation complexity increases
Solution Approach 1:
The bandwidth part is designed as a universal resource container that can simultaneously support multiple communication types through its multiple frequency resource sets. Each frequency resource set within the BWP can be independently configured and activated based on the required communication type, allowing the same bandwidth part structure to serve multiple purposes. This multi-functionality reduces the need for separate resource management mechanisms for different communication types.
Solution Approach 2:
The base station dynamically selects, configures, and activates appropriate frequency resource sets within the bandwidth part based on real-time communication requirements. When URLLC traffic is detected, the base station activates frequency resource sets optimized for low-latency communications; when eMBB traffic dominates, it activates high-throughput optimized sets. This dynamic adaptation simplifies resource allocation by providing a unified, flexible framework that automatically adjusts to different communication scenarios.
3Productivity
If bandwidth part parameters are optimized for one communication type, then performance for that type is improved, but adaptability to other communication types decreases
Solution Approach 1:
The bandwidth part is divided into multiple frequency resource sets, each with parameters optimized for specific communication types. For example, one set may have wide bandwidth and high modulation schemes optimized for eMBB data downloads, while another set has shorter time durations and more robust modulation optimized for URLLC. This segmentation allows the system to maintain high performance for each communication type simultaneously by selecting the appropriate frequency resource set based on traffic requirements.
Solution Approach 2:
Different frequency resource sets within the bandwidth part have different parameter configurations tailored to specific communication types. The base station changes the active frequency resource set parameters dynamically based on the required communication type. For instance, when URLLC is required, parameters such as time duration, bandwidth, and modulation scheme are changed to favor low latency; when eMBB is required, parameters are changed to favor high throughput. This parameter flexibility maintains both high productivity and adaptability.
Data Source
AI summary
In some aspects, a method of wireless communication includes receiving control information by a UE from a base station. The control information indicates one or more first frequency resources of a BWP that are associated with a first communication type and further indicates one or more second frequency resources of the BWP that are associated with a second communication type. The method further includes, based on a first data type of first data corresponding to the first communication type and further based on a second data type of second data corresponding to the second communication type, performing a wireless communication with the base station using the one or more first frequency resources to communicate the first data and using the one or more second frequency resources to communicate the second data.