Mobile Station Multi-Access Feedback Transmission
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Solution Overview
Problem
Current wireless communication systems face challenges in reliably transmitting data across heterogeneous networks using multiple wireless access technologies, as existing methods do not effectively handle feedback information transmission between devices using different wireless access technologies.
Innovation Solution
A method for a mobile station supporting multiple radio access technologies to communicate with multiple networks by receiving signals from a base station of a different network and transmitting feedback information, including channel state, interference level, and acknowledgement/negative acknowledgement data, allowing efficient communication across heterogeneous networks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a mobile station uses multiple wireless access technologies to communicate with heterogeneous networks, then communication versatility and reliability are improved, but device complexity and protocol management difficulty increase
Solution Approach 1:
The mobile station is designed to support multiple wireless access technologies (e.g., LTE, WiMAX, WiFi) simultaneously, enabling it to communicate with heterogeneous networks using different radio access technologies. This multi-functionality allows the device to adapt to various network environments and maintain communication versatility while managing complexity through unified protocol handling mechanisms.
2Reliability
If feedback information is transmitted across heterogeneous networks using different wireless access technologies, then communication reliability is improved, but transmission complexity and protocol compatibility issues increase
Solution Approach 1:
The patent introduces a feedback information transmission mechanism that acts as an intermediary between heterogeneous networks. The mobile station transmits feedback information (ACK/NACK) received from one network through another network's base station, using the second network as a mediator. This approach improves reliability by providing alternative feedback paths while managing protocol complexity through standardized feedback formats that can be transmitted across different access technologies.
3Productivity
If channel state and interference information are utilized for feedback transmission, then communication speed and reliability are improved, but information processing complexity increases
Solution Approach 1:
The mobile station utilizes channel state information (CSI) and interference level information to dynamically adjust feedback transmission parameters. By incorporating this environmental information, the system optimizes communication speed and reliability through adaptive feedback mechanisms. The mobile station processes CSI and interference data to determine optimal feedback timing and transmission power, improving productivity while managing processing complexity through efficient information utilization strategies.
Data Source
AI summary
The present invention relates to an apparatus that supports two or more radio access technologies, and to a method in which the apparatus performs communication with two or more networks. A mobile station, which supports two or more radio access technologies and which belongs to a first network, receives a signal from a base station of a second network different from the first network, and transmits feedback information to a base station of the first network in a state in which the access between the mobile station and the base station of the second network is maintained, wherein the feedback information includes channel state information on the received signal, interference level information on the received signal, and/or a reception acknowledgement (ACK) signal or a reception non-acknowledgement (NACK) signal for the receives signal.