Wireless Resource Allocation for Base Station Function Splitting
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Solution Overview
Problem
Current wireless communication systems face inefficiencies in data transmission between wireless control devices and wireless devices on the antenna side, as they primarily perform RF processing and digital signal processing, leading to increased data rates and economic challenges in using optical fibers for high-capacity mobile data communication.
Innovation Solution
A wireless communication system that includes a wireless control device with resource allocation and instruction mechanisms, allowing efficient wireless resource allocation and use by wireless devices, which perform necessary signal processing and transmission to wireless terminals, potentially with a relay device to reduce data transmission rates between control and antenna devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If digital signal processing functions are centralized in the wireless control device, then device complexity is reduced, but data transmission rate increases
Solution Approach 1:
The patent segments the base station functions into two parts: the wireless control device performs resource allocation and control, while the wireless device performs digital signal processing. This segmentation distributes complexity and reduces the data transmission rate by having the wireless device process signals locally rather than transmitting raw processed data to the control device.
2Quantity of substance
If optical fibers are used for high-capacity data transmission, then data transmission capacity increases, but communication cost increases
Solution Approach 1:
The wireless device performs self-service by executing digital signal processing functions locally. This reduces the amount of data that needs to be transmitted over optical fibers, thereby lowering the communication cost while maintaining high data transmission capacity where needed.
3Productivity
If wireless devices perform RF processing and digital signal processing, then processing capability increases, but data transmission rate between control and antenna devices increases
Solution Approach 1:
The patent extracts the digital signal processing functions from the wireless control device and places them in the wireless device. This extraction maintains high processing capability at the antenna side while reducing the data transmission rate between control and antenna devices, as only control signals and processed results need to be communicated.
Data Source
AI summary
Provided is a wireless communication system that efficiently carries out communications between a wireless control device and a wireless device. A wireless control device (20) has a wireless resource allocation unit (22) and a wireless resource instruction unit (24). The wireless resource allocation unit (22) allocates wireless resources that are used by a wireless device (30) when wirelessly communicating with a wireless terminal (2). The wireless resource instruction unit (24) sends, to the wireless device (30), instructions for causing the allocated wireless resources to be used. The wireless device (30) has a wireless signal processing unit (32) and a wireless transmission unit (34). On the basis of the instructions from the wireless control device (20), the wireless signal processing unit (32) performs processing, for performing wireless communications using the allocated wireless resources, on data to be sent to the wireless terminal (2). The wireless transmission unit (34) converts signals processed by the wireless signal processing unit (32) to wireless signals, and transmits the wireless signals to the wireless terminal (2).