Wi-Fi TxOP Duration Adjustment for LTE Coexistence
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing Wi-Fi and LTE RF systems face inefficiencies when sharing a single antenna, as Wi-Fi transmission often exceeds allocated time slices, affecting LTE data transmission and overall system performance.
Innovation Solution
A data transmission method that adjusts Wi-Fi transmission duration by allocating multiple Transmission Opportunity Periods (TxOPs) within Wi-Fi time slices, ensuring they do not exceed the slice duration, and utilizes adjusted Carrier Sense Multiple Access (CSMA) backoff mechanisms to optimize channel usage and prevent interference with non-Wi-Fi data transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If Wi-Fi transmission uses a single shared antenna with LTE system, then cost is reduced and power consumption is saved, but Wi-Fi transmission may exceed allocated time slices and affect LTE data transmission
Solution Approach 1:
The patent dynamically adjusts the TxOP duration based on the remaining time in the Wi-Fi time slice. The base station calculates the remaining time slice duration and sets the TxOP to be the minimum of the originally allocated TxOP duration and the remaining time slice duration, ensuring adaptive time allocation that prevents Wi-Fi transmission from exceeding its designated time slice while maximizing channel utilization
Solution Approach 2:
The patent changes the parameter of TxOP duration from a fixed value to a dynamically adjusted value based on time slice constraints. By modifying the TxOP duration parameter according to the remaining time slice duration, the system resolves the contradiction between maintaining reliable time slice allocation and efficiently utilizing the shared antenna resource
2Productivity
If Wi-Fi transmission duration is extended to transmit more data packets, then data transmission efficiency is improved, but transmission may interfere with non-Wi-Fi data transmission in other time slices
Solution Approach 1:
The base station performs preliminary calculation of the remaining time slice duration before allocating TxOP. By determining the maximum allowable TxOP duration in advance based on the time slice boundary, the system prevents Wi-Fi transmission from extending into non-Wi-Fi time slices, thereby eliminating interference with other systems while maintaining high transmission efficiency within the allocated time
3Productivity
If multiple TxOPs are allocated within Wi-Fi time slice, then channel utilization is improved, but complexity of time slice management increases
Solution Approach 1:
The system implements feedback mechanisms where the base station monitors the remaining time slice duration and adjusts subsequent TxOP allocations accordingly. This feedback loop enables multiple TxOPs to be allocated within the time slice while automatically managing time boundaries, reducing manual configuration complexity and enabling adaptive channel utilization based on real-time conditions
Data Source
AI summary
A data transmission method and device for multiple radio frequency systems, a storage medium and a terminal are provided. The multiple radio frequency systems multiplex a shared radio frequency component to transmit Wi-Fi data and non-Wi-Fi data, during a Wi-Fi time slice for transmitting the Wi-Fi data, a plurality of Transmission Opportunity Periods (TxOPs) are allocated to transmit a plurality of data packets of the Wi-Fi data, and the method includes, when allocating each of the plurality of TxOPs, determining whether the TxOP to be allocated exceeds the Wi-Fi time slice; and if the TxOP to be allocated exceeds the Wi-Fi time slice, adjusting the TxOP to be allocated to make the adjusted TxOP do not exceed the Wi-Fi time slice. Embodiments of the present disclosure may facilitate the multiple radio frequency systems sharing a single antenna, thereby realizing coexistence of different radio frequency systems.