Wireless Communication Frame Slot Pairing for Interference Reduction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional wireless communication systems face challenges in ensuring reliable communication between master and slave stations without interfering with other wireless communication apparatuses, particularly due to overlapping transmission timings and frame timing shifts, leading to disturbances in wireless communication networks.
Innovation Solution
A wireless communication apparatus utilizing a communication frame with specific slot pairs for receiving and transmitting signals between master and slave stations, including a first slot pair for communication with the base unit and a second slot pair for communication with the remote unit, synchronized to prevent competition and maintain synchronization, thereby reducing interference with other wireless devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional wireless communication systems use overlapping transmission timings for master and slave stations, then communication convenience is improved, but interference with other wireless communication apparatuses increases
Solution Approach 1:
The communication frame is segmented into multiple slots, with specific slot pairs assigned for different communication directions. The transmission timing is divided into distinct ascending slots and descending slots, preventing overlapping transmissions and reducing interference while maintaining communication convenience.
Solution Approach 2:
The system uses periodic time-division multiplexing with regular frame structures containing alternating ascending and descending slots. This periodic allocation of transmission opportunities ensures that master and slave stations transmit at different times, eliminating interference while providing consistent communication access.
2Adaptability or versatility
If frame timing shifts occur between master and slave stations, then transmission flexibility is improved, but communication reliability deteriorates
Solution Approach 1:
The system incorporates feedback mechanisms where the master station monitors and adjusts slot timing based on reception status. When a slave station fails to receive data, the master station retransmits in a subsequent ascending slot, ensuring reliable communication while maintaining timing flexibility.
Solution Approach 2:
The master station prepares and transmits data in ascending slots before the slave station needs to receive it in descending slots. This preliminary transmission allows the slave station to receive data reliably, and if timing shifts occur, the pre-transmitted data can be retransmitted without losing communication reliability.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A wireless communication apparatus includes wireless communicating unit that carries out a wireless communication with a telephone base unit to be connected to a communication line and carries out the wireless communication with a telephone remote unit that performs the wireless communication with the telephone base unit, communicating unit connected to a communication remote unit, and control unit that communicates with the telephone base unit and the telephone remote unit by using a communication frame including a first slot pair having a descending slot to be used for receiving a signal from the telephone base unit which is disposed earlier on a time basis and an ascending slot to be used for transmitting a signal to the telephone base unit which is disposed later on the time basis, and a second slot pair having a descending slot to be used for transmitting data to the telephone remote unit which is disposed earlier on the time basis and an ascending slot to be used for receiving data from the telephone remote unit which is disposed later on the time basis.