Abstract: A downlink Hybrid Automatic Repeat Request (HARQ) feedback method is provided, and includes: determining whether a currently used frame structure needs to be reconfigured; determining an uplink subframe for implementing a downlink HARQ feedback corresponds to each downlink subframe according to the currently used frame structure, when no reconfiguration is needed; determining an uplink subframe for implementing the downlink HARQ feedback corresponds to each downlink subframe in a last radio frame before the reconfiguration time point, when the reconfiguration is needed, according to a first frame structure used before a reconfiguration time point and a second frame structure to be used; determining an uplink subframe for implementing the downlink HARQ feedback corresponds to each downlink subframe in a last radio frame before the reconfiguration time point; when receiving downlink data sent by a base station on any downlink subframe, sending a HARQ feedback message for the downlink data.

Abstract: The present disclosure provides an uplink scheduling method in an unlicensed frequency band based on a dynamic frame structure, an uplink scheduling device and a base station. Each frame structure includes uplink and downlink subframes, and same type of a subframe continuity settings, the method includes: determining whether a currently used frame structure in an unlicensed frequency band needs to be reconfigured; when reconfiguration is not required, determining an uplink subframe to be scheduled on each downlink subframe according to the currently used frame structure; when reconfiguration is required, determining an uplink subframe to be scheduled on each downlink subframe in a last radio frame before a reconfiguration time point according to a first frame structure used before the reconfiguration time point and a second frame structure to be used; transmitting a scheduling instruction for the uplink subframe to be scheduled on each downlink subframe.

Abstract: A downlink Hybrid Automatic Repeat Request (HARQ) feedback method is provided, and includes: determining whether a currently used frame structure needs to be reconfigured; determining an uplink subframe for implementing a downlink HARQ feedback corresponds to each downlink subframe according to the currently used frame structure, when no reconfiguration is needed; determining an uplink subframe for implementing the downlink HARQ feedback corresponds to each downlink subframe in a last radio frame before the reconfiguration time point, when the reconfiguration is needed, according to a first frame structure used before a reconfiguration time point and a second frame structure to be used; determining an uplink subframe for implementing the downlink HARQ feedback corresponds to each downlink subframe in a last radio frame before the reconfiguration time point; when receiving downlink data sent by a base station on any downlink subframe, sending a HARQ feedback message for the downlink data.

Abstract: The present disclosure provides an uplink scheduling method in an unlicensed frequency band based on a dynamic frame structure, an uplink scheduling device and a base station. Each frame structure includes uplink and downlink subframes, and same type of a subframe continuity settings, the method includes: determining whether a currently used frame structure in an unlicensed frequency band needs to be reconfigured; when reconfiguration is not required, determining an uplink subframe to be scheduled on each downlink subframe according to the currently used frame structure; when reconfiguration is required, determining an uplink subframe to be scheduled on each downlink subframe in a last radio frame before a reconfiguration time point according to a first frame structure used before the reconfiguration time point and a second frame structure to be used; transmitting a scheduling instruction for the uplink subframe to be scheduled on each downlink subframe.

Abstract: A switching method and system between heterogeneous networks are provided. In the switching method: a terminal sends identity information and a network access identifier to a home subscriber server (HSS) through a mobile management entity; the HSS sends the network access identifier to an access gateway, receives a seed key, sends the seed key to the terminal, calculates and sends a local key and a local identifier to an authentication, authorization and accounting (AAA) server; the terminal calculates a second handoff key and a second handoff identifier; and the AAA server sends a calculated first handoff key to an access point of the target network, for the access point and the terminal to execute a network switching operation. Communication traffic of a re-authentication process can be effectively decreased when a cellular network is switched to a WLAN, thereby decreasing time delay of re-authentication and increasing probability of success in switching.

Abstract: The present disclosure provides a protection method and device of mobile payment information, the method includes: dynamically updating, by a card manufacturer's server, replacement code information corresponding to each payment account information stored in the card manufacturer's server; each time after the card manufacturer's server updates the replacement code information corresponding to each payment account information stored in the card manufacturer's server, updating a mapping relationship between the payment account information stored in the card manufacturer's server and the replacement code information according to the updated replacement code information; sending the updated replacement code information and payment account information corresponding to the updated replacement code information to a mobile terminal, to enable the mobile terminal to perform a mobile payment using the updated replacement code information.

Abstract: A switching method and system between heterogeneous networks are provided. In the switching method: a terminal sends identity information and a network access identifier to a home subscriber server (HSS) through a mobile management entity; the HSS sends the network access identifier to an access gateway, receives a seed key, sends the seed key to the terminal, calculates and sends a local key and a local identifier to an authentication, authorization and accounting (AAA) server; the terminal calculates a second handoff key and a second handoff identifier; and the AAA server sends a calculated first handoff key to an access point of the target network, for the access point and the terminal to execute a network switching operation. Communication traffic of a re-authentication process can be effectively decreased when a cellular network is switched to a WLAN, thereby decreasing time delay of re-authentication and increasing probability of success in switching.