Abstract: A network switching method and a terminal device, which relate to the field of communications technologies, includes acquiring a network resource parameter of a network allowed to be accessed, and determining, from the network allowed to be accessed and according to the network resource parameter of the network allowed to be accessed, a target network to be switched to and a network resource parameter of the target network, where the network resource parameter of the target network is used to determine and set a running parameter of an application program that is to be run in the target network, and switching from a current network to the target network, and running the application program in the target network. The solutions can be used to enable the application program to implement, to some extent, seamless network switching.

Abstract: Embodiments of the present invention provide a method, an apparatus, and a system for speech recognition. a third-party application corresponding to a speech signal of a user can be determined according to the speech signal and by means of semantic analysis; and third-party application registry information is searched for and a third-party program is started, so that the user does not need to tap the third-party application to start the corresponding program, thereby providing more intelligent service for the user and facilitating use for the user.

Abstract: A glasses-type communications apparatus is provided that includes a frame; a display module set on the frame configured to receive data information and generate a corresponding visual picture according to the data information for the user to watch; a camera module set on the frame configured to obtain image information and transfer the image information; and a communications module set on the frame configured to set up a communications channel with an external processing apparatus by using a communications protocol, where the communications module receives data transmitted by the external processing apparatus through the communications channel, so as to parse the data to obtain the data information, and send the data information to the display module; where the communications module is further configured to receive the image information output by the camera module, and transfer the image information to the external processing apparatus by using the communications channel.

Abstract: A glasses-type communications apparatus, including: a frame; a display module set on the frame configured to receive data information and generate a corresponding visual picture according to the data information for the user to watch; a camera module set on the frame configured to obtain image information and transfer the image information; and a communications module set on the frame configured to set up a communications channel with an external processing apparatus by using a communications protocol, where the communications module receives data transmitted by the external processing apparatus through the communications channel, so as to parse the data to obtain the data information, and send the data information to the display module; where the communications module is further configured to receive the image information output by the camera module, and transfer the image information to the external processing apparatus by using the communications channel.

Abstract: A method for sending information and a device thereof are provided. The method includes: selecting a sequence corresponding to original information to be sent according to mapping table of information-sequence; performing cyclic redundancy check on the original information according to the sequence to obtain a cyclic redundancy check code; and sending the original information and the cyclic redundancy check code. Compared with the conventional technology, no modifications on existing chips or protocols are required in the embodiments of the application, and development costs are saved.

Abstract: A glasses-type communications apparatus, including: a frame; a display module set on the frame configured to receive data information and generate a corresponding visual picture according to the data information for the user to watch; a camera module set on the frame configured to obtain image information and transfer the image information; and a communications module set on the frame configured to set up a communications channel with an external processing apparatus by using a communications protocol, where the communications module receives data transmitted by the external processing apparatus through the communications channel, so as to parse the data to obtain the data information, and send the data information to the display module; where the communications module is further configured to receive the image information output by the camera module, and transfer the image information to the external processing apparatus by using the communications channel.

Abstract: The present invention relates to the field of communications technologies and discloses a method and an apparatus for linear precoding in a multi-user multiple-input multiple-output system, which can reduce computational complexity, improve system efficiency, and enhance system robustness by using a linear precoding technology in the case of imperfect CSI. According to the solutions provided in embodiments of the present invention, a first matrix is determined according to channel information of the system; an equivalent-channel matrix is acquired according to the first matrix; the equivalent-channel matrix is decomposed, and a second matrix is obtained through computation; a precoding matrix is obtained according to the first matrix and the second matrix, so that a power balance is achieved between spatial streams of each user after two signals to be concurrently transmitted are processed by using the precoding matrix.

Abstract: The present invention provides a method for scheduling a SDMA user group in an MU MIMO system and a base station. The method comprise the following steps: calculating, according to channel state information, a projection matrix of a channel matrix of each user in a user group on a joint channel matrix of other users in the same user group, where the user group is selected from a plurality of users; calculating a capacity metric of the user group according to the projection matrixes; and selecting an optimal user group according to the metrics of a plurality of user groups. The present invention effectively eliminates the MUI on terminal users at the transmitter side, and reduces the computational complexity.

Abstract: A method for obtaining a deployment scheme of Wireless Local Area Network (WLAN) Access Points (APs) is provided. The method includes obtaining coverage information of each AP according to a WLAN competition model and deployment information; and combining a constraint relationship between the coverage information of each AP and cost information of each AP, and obtaining the deployment scheme of the APs through calculation. A device and a system are further provided, so as to automatically obtain a deployment scheme of APs, and control the cost.

Abstract: A system and a method for wireless communications, where the system includes: an antenna subsystem, where the antenna subsystem includes at least one antenna unit, the antenna unit includes at least two antenna elements, at least one power splitter/combiner connected to the at least one antenna unit, and at least one switch unit correspondingly connected to the at least one power splitter/combiner, By adopting the method or the system in the embodiments of the present invention, network resources of switch units can be saved.

Abstract: A method for obtaining a deployment scheme of Wireless Local Area Network (WLAN) Access Points (APs) is provided. The method includes obtaining coverage information of each AP according to a WLAN competition model and deployment information; and combining a constraint relationship between the coverage information of each AP and cost information of each AP, and obtaining the deployment scheme of the APs through calculation. A device and a system are further provided, so as to automatically obtain a deployment scheme of APs, and control the cost.