38results about How to "Efficient sending and receiving" patented technology

The present invention relates to a method for transceiving scheduling signals in a multi-carrier wireless communication system, comprising a step of transmitting, via a predetermined downlink component carrier, a PDSCH transmission scheduling signal on one or more downlink component carriers and / or a PUSCH transmission scheduling signal on one or more uplink component carriers; and a step of transceiving the PDSCH and / or the PUSCH in accordance with the scheduling signals. The scheduling signals can be defined to the same size in a PDCCH transmission region of said predetermined downlink component carrier in the event different MIMO transmission modes are applied to the PDSCH transmission or the PUSCH transmission, or in the event said one or more downlink component carriers or said one or more uplink component carriers have different bandwidths.

In the present invention, disclosed are a method for transceiving a reference signal in a wireless access system supporting device-to-device communication, and apparatus for same. More particularly, comprised are the steps of: a first device transmitting the reference signal for aligning device-to-device synchronization with a second device; and the first device performing device-to-device communication with the second device performing device-to-device synchronization with the second device after obtaining synchronization with the second device, wherein the reference signal is mapped on a predetermined symbol inside a resource that is allocated for device-to-device communication with the second device.

Disclosed are an apparatus for transmitting and receiving downlink control information in a TDD (time division duplex) wireless access system and method thereof. The present invention includes performing a blind decoding on a transmitting region of e-PDCCH (enhanced physical downlink control channel) transmitted by being multiplexed with PDSCH (physical downlink shared channel) and receiving the DCI through the blind decoding of the e-PDCCH. In particular, a last symbol of the transmitting region of the e-PDCCH in a special subframe is configured in accordance with a configuration of the special subframe.

The invention discloses a static and dynamic combined millimeter wave beam resource allocation and optimization method, and belongs to the field of wireless communication. Aiming at a static hot spot region scene, a distributed multi-base-station multi-user cooperation framework based on a matching theory is applied, a bilateral matching utility function capable of dynamically sensing the return capability of millimeter wave base stations and beam interference in the base stations and among the base stations is constructed, and efficient distribution of millimeter wave multi-beams is realized on the premise of low calculation complexity. A theoretical convex upper bound and a theoretical convex lower bound of the optimal transmitting power are acquired by derivation with an optimization strategy of the millimeter wave beam transmitting power, and network throughput is optimized. for a dynamic vehicle network scene, in a V2I stage, a low-complexity beam selection scheme is provided to realize preliminary caching of vehicle contents in a coverage range of a base station. In the V2V stage, a transmitting and receiving vehicle cooperation method based on coalition games is provided, and efficient distribution of differentiated content is achieved.

The invention discloses a method for multiplexing multi-RRU common cell resources in a 5G network, which comprises the following steps that a BBU / host configures an independent reference signal resource for an RRU / extension unit, and the reference signal resource is configured with a unique identifier, specific sending time and a frequency domain position; the RRU / expansion unit sends the reference signal according to the sending time and the frequency domain position configured by the reference signal resource; when the UE accesses the cell, the base station configures signaling information for the UE, and the UE measures the reference signal sent by the RRU / expansion unit and uploads the measured reference signal strength and reference signal resource identifier or uploads the referencesignal resource identifier with the strongest signal strength to the base station; the base station acquires a reference signal identifier with the strongest signal strength according to the information reported by the UE, determines the position of an RRU / extension unit coverage area where the UE is located, and constructs a connection relationship topological graph of the UE and the RRU / extension unit; and according to the cell load state, the base station multiplexes channel resources among the UEs under different RRU / extension unit coverage areas to serve the UEs. According to the invention, the network capacity can be multiplied, the network interference is reduced, the energy efficiency is improved, and the cost is reduced.

An orthogonal frequency division multiplexing (OFDM) transmission device transmits OFDM symbols to at least one reception device and includes an OFDM transmission processing unit which generates a plurality of OFDM symbols; a pilot insertion unit which inserts pilot tones into each of the plurality of OFDM symbols; and a control unit which controls the pilot insertion unit to insert the pilot tones according to a pilot insertion pattern which is selected to correspond to a communication environment from among a plurality of pilot insertion patterns.

The structure of antenna includes a grounding component, a first send receive component, and a second send receive component. The first send receive component includes a first L shaped component, and a first radiation sect. The first L shaped component is connected to the grounding component. The first radiation sect is connected to the first L shaped component. The first send receive component is in use for sending and receiving the first radio signal. The second send receive component includes a second L shaped component, and a second radiation sect. The second L shaped component is connected to the grounding component. The second radiation sect is connected to the second L shaped component. The second send receive component is in use for sending and receiving the second radio signal. Position of the second radiation sect is between the first radiation sect and the grounding component approximately.

The present invention relates to a method by which a terminal transmits / receives a signal in a wireless communication system and a device therefore and, more particularly, to: a method comprising the steps of receiving configuration information related to the activation or the deactivation of a wake-up signal (WUS), and monitoring the WUS and a channel corresponding to the WUS, when the WUS is activated on the basis of the configuration information, wherein the configuration information related to the activation or the deactivation of the WUS is configured to be terminal-specific; and a device therefor.

The present invention relates to a signal transceiving method for detecting site-specific ray characteristics information unique to millimeter wave (mm Wave) links and detecting rich resolvable rays, and to device supporting same. The method for a terminal ray-scanning in a wireless access system supporting millimeter wave technology, according to one embodiment of the present invention, comprises the steps of: receiving a synchronization signal to synchronize with a base station; synchronizing with the base station using the synchronization signal; receiving, from the base station, pilot signals having different configuration patterns according to each transmitting antenna port; and ray-scanning using the pilot signals.

The invention relates to a distribution network device detection informatization management method. The method comprises a PC and comprises the following steps in sequence: obtaining location information, obtaining device information and detection station state information, obtaining detection information, and formulating a detection scheme and a logistics scheme. The distribution network device detection informatization management method provided by the invention has the advantages that the step 1 realizes the distribution position informatization of a detected product on a spatial scale to solve the problems that the detected product is inconvenient to be positioned and searched within a detection period, and that assorted devices are easily confused after the detection, the warehouse-out and warehouse-in of the detected devices and the fast assembly of the assorted devices are facilitated, and a dynamic logistics scheme is formed, and the step 2 realizes the detection progress informatization of the detected product on a time scale to accurately master the detection progress of the detected product and the working conditions of each test area in real time, thereby optimizing thedetection scheme, reducing the human intervention, optimizing the logistics resources and the detection resources and greatly improving the detection efficiency.

The invention belongs to the technical field of data transmission of battery pack equalization management systems, and particularly relates to a data interface conversion system based on dual-CPU. Thedata interface conversion system comprises an upper data processing unit, a lower data processing unit, an upper data exchange unit, a lower data exchange unit, a main power supply unit, a communication power supply unit and a CPU power supply unit. The circuit structure is simple and reliable, the cost is low, by adoption of the circuit structure connection mode in which the upper data processing unit is connected with the upper data exchange unit, the lower data processing unit is connected with the lower data exchange unit, and the upper data processing unit and the lower data processing unit are connected with each other, the following situation in the prior art is overcome: when a data transmission protocol of upper computer software is readable and non-writable, the conversion system using a single CPU may have insufficient data transmission response, frame loss, easy crash and other shortcomings. When a handshake protocol of the upper computer software is non-writable, the lower transmission data can be quickly responded to and accurately processed.

The invention relates to a distributed automatic test system based on an OPC UA architecture Pub-Sub mode. The system architecture comprises a message center, a line model, a train model, a bridge model and a station yard graph model, wherein the line model, the train model, the bridge model and the station yard graph model form a dynamic star topology structure through the message center, the message center is set to be a message framework configured based on an OPC UA architecture Pub-Sub mode, supports a dynamic topology mode from n to m, and carries out IP address and port binding at a PUB end and a SUB end, and the line model, the train model, the bridge model and the station yard graph model communicate with one another by configuring the IP address of the message center. According to the test system, distributed communication and a star topology structure are realized by adopting a message queue based on an OPC UA publishing / subscribing mechanism, and compared with traditional mesh communication, the test system is simple in configuration and higher in efficiency, and a test environment is more convenient to expand.

The invention discloses a road pedestrian detection system. The road pedestrian detection system comprises a pedestrian detection device, and an early-warning prompting end of the pedestrian detectiondevice is connected with a vehicle-mounted terminal; the pedestrian detection device is connected with a cloud side through multiple base stations. A networking method of the road pedestrian detection system comprises the following steps of 1, setting parameters, wherein the distance D between every two adjacent track spikes, the maximal communication distance L between every two communication units, and the maximal communication distance S between every two base stations are set; 2, conducting networking among multiple track spikes included in the pedestrian detection device; 3, conducting networking between the pedestrian detection device and the vehicle-mounted terminal; 4, conducting networking between the pedestrian detection device and the cloud side through the base stations. The road pedestrian detection system has the advantages that the communication efficiency is improved, the communication time delay is reduced, and the outgoing safety of pedestrians is guaranteed.

Disclosed is an implantable wireless electrocardiogram sensor device, including: a cylindrical capsule provided with four recesses on a lateral surface thereof in a longitudinal direction thereof at equal intervals; electrodes installed on upper and lower surfaces of the cylindrical capsule and configured to measure electrocardiogram; a wireless electrocardiogram sensor module installed inside the capsule; a data transceiving antenna wound around two recesses symmetrical at a center; and a coil for charging wound around the remaining two recesses in a direction vertical to the antenna.

This invention provides a mobile communication system and method taking into account a method for designating a source to be used for placing a control signal in HARQ performed by a base station apparatus. In the mobile communication system, the base station apparatus and a mobile station apparatus communicate with each other using a plurality of component carriers. The base station apparatus establishes a single downlink component carrier for the mobile station apparatus and uses a plurality of physical downlink control channels, which are placed on the established downlink component carrier, to allocate a plurality of physical downlink shared channels to the mobile station apparatus in the same subframe. The mobile station apparatus then has a plurality of physical uplink control channels, which correspond to the respective ones of the plurality of physical downlink control channels placed on the established downlink component carrier, designated by the base station apparatus in a single uplink component carrier corresponding to the established downlink component carrier.

The invention discloses a method for multiplexing multiple RRU shared cell resources in a 5G network, comprising the following steps: the BBU / host configures independent reference signal resources for the RRU / extension unit; The frequency domain position sends the reference signal; when the UE accesses the cell, the base station configures signaling information for the UE, and at the same time, the UE measures the reference signal sent by the RRU / extension unit, and uploads the measured reference signal strength and reference signal resource identifier to the base station, or uploads the signal The reference signal resource identifier with the strongest strength; the base station obtains the reference signal identifier with the strongest signal strength according to the information reported by the UE, determines the location of the RRU / extension unit coverage area where the UE is located, and constructs a topology diagram of the connection relationship between the UE and the RRU / extension unit; According to the load status of the cell, the base station multiplexes channel resources between UEs under the coverage of different RRUs / extension units to serve the UEs. The invention can increase network capacity exponentially, reduce network interference, improve energy efficiency and reduce cost.

The invention provides an antenna and electrical equipment with the same. The antenna can individually and efficiently receive and transmit electric waves formed by specific polarized waves in two different frequency bands by virtue of a simpler structure. The antenna receives and transmits the electric waves of a plurality of frequency bands and is provided with a conductor, two slits and a power supply point, wherein the two slits are formed opposite to the conductor and provided with an open end respectively at opposite sides, and the poser supply point is formed only at a position above one of the two slits.

The invention belongs to the technical field of wireless communication, and particularly relates to a wireless signal receiving and transmitting method and system based on a polling networking working mode, and the method comprises the steps: taking a universal software radio peripheral (USRP) as a unit to build each station in a wireless communication platform, and distributing a unique address code to each station in the platform; in the networking process, a universal software radio peripheral (USRP) of which the station type is a master station sends signals in sequence according to a preset polling list according to a set polling working mode, and other USRPs of which the station types are slave stations receive the signals and process the signals to obtain return parameters in the signals; and comparing the address code in the return parameter with the own address code, if the address code in the received signal is the same as the own address code, executing a reply action, otherwise, keeping silence. The problem that networking between existing data link communication platforms is difficult is solved, efficient network data communication between all network access units and real-time data processing, exchange and distribution between devices are achieved, and implementation is convenient.