Macro Base Station MIMO Using CBSD Antennas
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current Citizens Broadband Radio Service (CBRS) networks face limitations in achieving greater spatial diversity for data communication, particularly in macro base stations, which restricts the efficient transfer of large data amounts to user equipment devices.
Innovation Solution
The method involves a macro base station dividing data into blocks and transmitting them to multiple Citizens Broadband Radio Service Devices (CBSDs) using orthogonal coding, with the CBSDs then transmitting these blocks to user equipment devices, leveraging both macro base station and CBSD antennas for enhanced MIMO communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If macro base stations use only their own antenna array for MIMO operation, then the device complexity remains limited, but the spatial diversity and data transfer capability are insufficient
Solution Approach 1:
The patent combines the antenna resources of macro base stations and CBSDs into a unified MIMO system. The macro base station coordinates with multiple CBSDs to jointly transmit data to user equipment, effectively merging distributed antenna resources to achieve greater spatial diversity without requiring each individual base station to have a large number of antennas.
Solution Approach 2:
The patent segments the data transmission task across multiple distributed CBSDs and macro base stations. Each node transmits a portion of the data blocks to the user equipment, dividing the overall transmission function across multiple spatial locations to enhance spatial diversity and reliability.
2Area of stationary object
If CBSDs are distributed across the macro base station coverage area, then the coverage area is enhanced, but the coordination complexity for MIMO operation increases
Solution Approach 1:
The macro base station acts as an intermediary or coordinator between the CBSDs and the user equipment. It manages the distribution of data blocks to various CBSDs and coordinates their transmission timing and resources, simplifying the overall network coordination while enabling distributed MIMO operation across the coverage area.
3Productivity
If multiple CBSDs are used for data transmission, then the data transfer speed and efficiency improve, but the network infrastructure complexity increases
Solution Approach 1:
The patent segments the data into multiple blocks and distributes them across different CBSDs for parallel transmission to user equipment. This segmentation enables increased data transfer efficiency by utilizing multiple transmission paths simultaneously while managing infrastructure complexity through systematic data division and assignment.
Data Source
AI summary
Methods, apparatus, and systems for using multiple antennas located in Citizens Broadcast Radio Service Devices (CBSDs) to communicate with a user equipment device. An exemplary method embodiment includes the steps of: (i) receiving by a macro base station a first set of data to be transmitted to a user equipment device (UE), (iii) dividing by the macro base station said first set of data into a plurality of N data blocks, and (iv) communicating by the macro base station to each of a plurality of different Citizens Broadband Radio Service Devices (CBSDs) one or more different ones of said plurality of N data blocks; and (v) operating the plurality of CBSDs to transmit the one or more data blocks which they receive from the macro base station to the UE. In various embodiments, the macro base station also transmits one or more of the N data blocks to the UE.