Base Station Downlink Signal Transmission Resource Management
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Solution Overview
Problem
The increasing number of user equipment (UEs) and data/control information in wireless communication systems puts pressure on base stations (BSs) to efficiently manage limited radio resources for uplink/downlink data and control information transmission/reception.
Innovation Solution
Implementing a method that allows for efficient transmission/reception of uplink/downlink signals through coordinated data transmission using multiple nodes, optimizing resource allocation and signal processing to enhance throughput in wireless communication systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the number of user equipment and data/control information increases, then the communication service coverage and capacity improve, but the radio resources available to base stations become more limited and harder to manage
Solution Approach 1:
The patent segments the resource management function by introducing a separate module specifically dedicated to determining resource allocation for downlink data and uplink control information. This module operates independently from other base station functions, dividing the complex resource management task into manageable components that can be handled systematically.
Solution Approach 2:
The patent applies preliminary action by determining the resource allocation for downlink data and uplink control information in advance, before actual transmission occurs. The base station calculates and reserves appropriate radio resources based on predicted traffic patterns and service requirements, enabling efficient resource utilization when data transmission actually occurs.
2Productivity
If multiple nodes are used for coordinated data transmission, then the signal transmission efficiency and throughput improve, but the system complexity increases
Solution Approach 1:
The patent merges the functions of multiple nodes into a coordinated transmission system where nodes work together as a unified entity. By combining the capabilities of multiple nodes for downlink data transmission and uplink control information reception, the system achieves improved throughput and signal efficiency while managing complexity through integrated coordination mechanisms.
Data Source
Figure 1(a)~1(b)
Figure 2
Figure 3(a)~3(b)
AI summary
The present invention provides: a base station for repeatedly transmitting a physical downlink control channel (PDCCH) during a first subframe bundle comprising a plurality of subframes, and transmitting a PDSCH related to the PDCCH; and user equipment for receiving the PDCCH and the PDSCH. The PDSCH can be transmitted to the user equipment starting from subframe n+k, which is the kth subframe after the last subframe n-1 in the first subframe bundle, wherein k is an integer bigger than 0. The first subframe bundle may begin from a predetermined or fixed position.