Multiband Controller Band Assignment for Millimeter Wave Networks
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Advanced wireless communication networks operating in millimeter wave frequency bands face challenges such as high atmospheric attenuation, signal blocking, and reduced range due to shorter wavelengths, necessitating increased base station density and resource allocation efficiency across multiple frequency bands.
Innovation Solution
Implementing a multiband millimeter wave wireless communication network with remote radio heads (RRHs) operating in non-overlapping frequency bands, each with directional beamforming capabilities, and a multiband controller (MBC) for dynamic band assignment and load balancing to optimize UE device connectivity and resource utilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If millimeter wave frequency bands are used for wireless communication, then high data rates are achieved, but atmospheric attenuation and signal blocking increase
Solution Approach 1:
The system segments the millimeter wave frequency spectrum into multiple non-overlapping frequency bands (e.g., 28 GHz band, 39 GHz band, 60 GHz band). Each base station is assigned to operate in a specific frequency band, dividing the overall communication task across multiple segments. This allows the network to achieve high data rates in each band while mitigating the impact of atmospheric attenuation by providing alternative bands for redundancy and load distribution.
2Reliability
If base station density is increased to overcome shorter range and signal blocking, then network coverage is improved, but network complexity and deployment cost increase
Solution Approach 1:
Each base station is designed with multi-functionality to operate across multiple non-overlapping frequency bands. A single base station can dynamically switch between different millimeter wave bands (e.g., 28 GHz, 39 GHz, 60 GHz) depending on channel conditions, user location, and network load. This universal capability reduces the need for dense deployment of single-band base stations, as each multi-band base station can serve multiple frequency domains and provide broader coverage with fewer physical installations.
3Productivity
If dynamic band assignment is implemented, then resource allocation efficiency is improved, but control complexity increases
Solution Approach 1:
The system implements feedback mechanisms where base stations continuously monitor channel quality indicators, signal strength, and network load across different frequency bands. User equipment also provides feedback on received signal quality and preferred frequency bands. Based on this feedback, the network controller dynamically assigns users to optimal frequency bands and adjusts resource allocation. This feedback-driven approach enables efficient resource utilization while keeping control complexity manageable through automated decision-making algorithms that respond to real-time network conditions.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach reduces the number of required base stations, enhances network efficiency, and improves connectivity by leveraging frequency diversity, allowing for effective communication in regions with high signal attenuation and blocking, while optimizing resource allocation and user equipment (UE) device band assignments.
Implementation Method 1
remote radio heads (RRHs) operating in non-overlapping frequency bands, each with directional beamforming capabilities
Data Source
AI summary
Systems, methods, and devices for assigning user equipment to frequency bands on multiband advanced wireless communication networks. The system may include a multiband controller configured to obtain signal quality indicators from user equipment devices for signals received by the user equipment devices from a first remote radio head for a first frequency band having a maximum frequency greater than 24 GHz and a second remote radio head having a minimum frequency at least 2 GHz greater than the maximum frequency, and in response to the signal quality indicators, issue a command to a user equipment device included in the user equipment devices and operating in the first frequency band to switch to operating in the second frequency band.