Abstract: This application provides a data transmission method and apparatus. The data transmission method includes: determining a maximum communications data amount of a terminal device in a first time period, where the first time period is a transmission period of a periodic service, and the maximum communications data amount in the first time period is less than a maximum communications data amount of continuous communication in the first time period; and sending the maximum communications data amount of the terminal device in the first time period.

Abstract: A communication method and apparatus are provided. The method includes: A terminal device sends first data to a network device through a first cell group in an activated state. The terminal device receives a first message from the network device, where the first message is used to deactivate the first cell group. The terminal device changes a state of the first cell group from the activated state to a deactivated state based on the first message of the network device. If the terminal device receives no success acknowledgment of the first data and/or there is second data that has not been transmitted in the first cell group, the terminal device retransmits the first data and/or sends the second data to the network device through a second cell group in an activated state.

Abstract: A system and method is provided for an ATM having a display, a logic server coupled to the display, and a memory coupled to the logic server. The logic server dynamically controls the content of screens to be displayed on the display. The memory, which is accessible to the logic server, contains a profile of at least one user. In operation, the ATM detects the swipe of a user's card and requests the profile of the user whose card was swiped from a host. The ATM then receives the user's profile and stores the user's profile in the ATM.

Abstract: A system and method is provided for an ATM having a display, a logic server coupled to the display, and a memory coupled to the logic server. The logic server dynamically controls the content of screens to be displayed on the display. The memory, which is accessible to the logic server, contains a profile of at least one user.