33results about How to "Avoid transmission delay" patented technology

The invention discloses data transmission method and device based on a relay mobile communication system. The method comprises the steps of allocating at least two transmission planes on a Un interface protocol stack between a relay station RS and a base station eNode B; and transmitting data between the RS and the eNode B through at least two transmission planes allocated on the Un interface protocol stack. The invention can improve the throughput rate of a Un interface between the RS and the eNode B in the relay mobile communication system, and reduce the time relay of the Un interface.

The invention provides a method, apparatus and system for acquiring network information. The method comprises: when a mobile station needs local network information, the mobile station sending request message of local network information to an access gateway according to whether acquired access gateway supports the local network information visited by the mobile station; the mobile station receiving response returned by the access gateway, the response comprising local network information distributed to the mobile station by the access gateway. By using the invention, unnecessary information interaction between the mobile station and the access gateway is reduce, when the mobile station moves, large transmission time delay is avoided.

The invention discloses an uplink information transmission method, a base station and user equipment. The uplink information transmission method comprises the following steps: UE sends first uplink information on a first frequency resource of a first subframe set; the UE sends second uplink information on a second frequency resource of a second subframe set; wherein the first frequency resource and the second frequency resource are frequency resources respectively included by two different narrow bands; wherein the radio frame where the sub-frame in the first sub-frame set is located is different from the radio frame where the sub-frame in the second sub-frame set is located, and any sub-frame included in the first sub-frame set and any sub-frame included in the second sub-frame set belongto different radio frames; or, the half frame where the sub-frame in the first sub-frame set is located is different from the half frame where the sub-frame in the second sub-frame set is located, and any sub-frame included in the first sub-frame set and any sub-frame included in the second sub-frame set belong to different half frames.

The wireless display device includes main device end (MDE) and display device end (DDE). MDE possesses display adapter in use for receiving display info, and converting it to pixel info and display control info. DDE possesses display controller in use for receiving pixel info and display control info, and drives luminescence part based on the said info. MDE possesses wireless transmission process(WTP) unit in use for receiving pixel info and display control info sent from display adapter, and encodes the message of the received info, and sends out the encoded message. DDE also possesses WTP unit in use for receiving message sent from WTP unit at MDE, and decodes it to pixel info and display control signal, which is output to display controller at display end. The invention also discloseswireless display method. Comparing with prior art, the invention possesses advantages of lightening workload of CPU, and reducing cost.

The invention discloses a method for minimizing downlink transmission delay based on the NOMA-MEC system. First, a system model of a base station equipped with a mobile edge computing server and K mobile users is constructed, wherein the base station and users are equipped with a single antenna for Signal transmission and reception; according to the transmission characteristics of the downlink NOMA and the characteristics of the MEC system, the user's signal-to-noise ratio, transmission bit constraints, power constraints and energy consumption constraints are derived; then, the mathematics for the purpose of minimizing the system delay is constructed. model; finally, an optimization algorithm is designed to obtain the optimal resource allocation scheme aiming at minimizing the delay. The invention solves the problem of unbalanced delay and energy efficiency in the downlink transmission process of the existing NOMA-MEC system in the multi-user scenario, and can reduce the transmission delay of the system under the common constraints of computing tasks, power and energy consumption. to a minimum.

The present invention provides a state data feedback system and method for distributed power transmission equipment. The system includes: at least one monitoring device, at least one community monitoring platform, at least one large area monitoring platform, and a general monitoring platform. The present invention can discover problems in advance, actively solve problems, and can efficiently process and feed back the state data of power transmission equipment in real time, and the fault prediction is accurate and efficient.

The invention discloses a method for authenticating short message service comprising: short message center judges if the calling user is user of intelligent network; when the user is intelligent network user, SC inquire account information of calling user from SDP database, authenticates if the calling user possesses short message sending authority according to inquiry result. The No.7 signalling network is suitable for inquiring the message leaving out steps that SC switches to IP network via charging gateway and user database is inquired through IP network. The inventive method promotes transmission reliability of inquiring message, avoids time delay of delivery likely occur to IP network, facilitates account centralized management for mobile intelligent network, promotes network resource utilization rate.

The invention discloses a semi-static scheduling method. The semi-static scheduling method includes enabling a center node to distribute an independent scheduling period and an independent scheduling duration for each service of each terminal node when the terminal node of a wireless body area network is required to be scheduled, notifying the terminal nodes of scheduling information of the terminal nodes by the aid of connection configuration frames; interchanging data between the terminal nodes and the center node for each service according to the scheduling information and the scheduling period and the scheduling duration of the service. The scheduling periods and the scheduling durations of the corresponding services are carried in each resource configuration field in uplink distribution cells, downlink distribution cells and bidirectional distribution cells in the connection configuration frames. The semi-static scheduling method has the advantages that QoS (quality of service) requirements on the various services of the terminal nodes of the wireless body area networks can be met by the aid of the semi-static scheduling method, and wastage of scheduling resources can be effectively prevented.

The present application relates to a face detection method, system, device, computer equipment and storage medium. The method includes: receiving an image to be detected sent by a terminal, the image to be detected includes a human face of an object to be detected; performing data enhancement processing on the image to be detected to obtain an extended image corresponding to the image to be detected, and the number of extended images is more than one ; Liveness detection is performed on each extended image to obtain an intermediate detection result of each extended image; after fusing the intermediate detection results of each extended image, a liveness detection result of the object to be detected in the image to be detected is obtained. The solution provided by this application can avoid the transmission delay caused by the user waiting for multiple images to be uploaded during liveness detection, and also improves the user experience. At the same time, multiple extended images after data enhancement are used as objects for liveness detection, which increases the amount of data and improves the accuracy of detection to a certain extent.

The invention discloses a method for automatically controlling receiving channel gains and a device. The method includes the steps that the receiving-end device calculates receiving channel gain adjustment values corresponding to antenna receiving channels through receiving signals corresponding to the antenna receiving channels; the receiving-end device selects the receiving channel gain adjustment value with the minimum absolute value from the receiving channel gain adjustment values corresponding to the antenna receiving channels; the receiving-end device determines the receiving channel gains currently corresponding to the receiving channel gain adjustment value with the minimum absolute value; the receiving-end device sets the receiving channel gains of the antenna receiving channels to be the receiving channel gains currently corresponding to the receiving channel gain adjustment value with the minimum absolute value; the receiving-end device carries out corresponding adjustment on the receiving channel gains of the antenna receiving channels through the receiving channel gain adjustment value with the minimum absolute value. By means of the method and the device, huge time-frequency resource waste and huge service face transmission delay can be avoided.

The invention discloses a wireless sensor network data fusion scheduling algorithm for joint optimization of time delay and power consumption. Firstly, through cluster head node selection and fusion routing trunk tree construction, routing nodes are significantly reduced, and additional data multi-hop transmission is reduced. Power consumption and delay; a two-level transmission power data fusion cluster construction algorithm is proposed. In each fusion cluster, the cluster head node is responsible for the data fusion of the sensor nodes in the cluster; the data of the cluster head is reduced by compressing redundant data and reducing the dimensionality. Transmission volume to reduce transmission power consumption; a data fusion scheduling algorithm within and between clusters is proposed, and factors such as transmission delay and data deposition volume are comprehensively considered to effectively avoid link conflicts and ensure real-time transmission of perceived data.