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

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.

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.

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.

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.

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.

A portable telephone device has a housing (1) for display, provided with display panels (10A, 10B) and an antenna section (4) for television, a housing (2) for operation having operation section (20) and an antenna section (5) for portable telephone, and a hinge section (3) for relatively pivotally connecting the housings. The antenna section (4) for television is provided at an end section opposite the hinge section (3) of the display housing (1), the antenna section (5) for portable telephone is provided at an end section on the hinge section (3) side of the operation housing (2), and therefore the antennas are always separated by the length of the display housing (1). Further, on the display housing (1) and the operation housing (2) is formed a continuous ground electrode, and one end of the antenna section (4) for television is communicated to an end section of the ground electrode. Thus the ground electrode with the length corresponding to the antenna section (4) for television can be achieved.

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.

An electronic device is disclosed and includes a communication circuit supporting a first communication method and a second communication method, and at least one processor electrically connected to the communication circuit. The at least one processor is configured to obtain connection information about at least one electronic device during communication using the first communication method, and to perform communication connection to one electronic device of the at least one electronic device through the second communication method by using the obtained connection information.

Disclosed is a built-in antenna for a headset. The disclosed antenna includes: a substrate that is included in a headset body, a feeding pattern that is formed on the substrate, a connecting member that is made of a metallic material and electrically connected to the feeding pattern, a hanging member that is coupled to the connecting member, and a radiator that is inserted inside the hanging member. A portion of the headset body is protruded toward a housing. According to the disclosed antenna, the advantages of the antenna are that it is able to transmit and receive an audio signal with high efficiency without a chip antenna and it is less influenced by external factors such as the effects of a user's hand or head.

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 present invention provides a method for hybrid scanning to reduce overhead in a beam scanning scheme in a millimeter wave (mmWave) system, and devices supporting same. The method for hybrid 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, first pilot signals having different configuration patterns according to each transmitting antenna; ray-scanning using the first pilot signals; selecting a candidate beamforming port set through the ray-scanning; generating second pilot signals having different configuration patterns according to each beamforming port included in the candidate beamforming port set; and transmitting, to the base station, the second pilot signals to perform beam scanning with the base station.

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.

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.

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.

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 disclosure relates to a data transmission method, a data transmission device and a storage medium. The data transmission method is applied to terminals that use the non-independent networking dual-link mode for data transmission. The data transmission method includes: monitoring the network signal quality in the non-independent networking dual-link mode, and monitoring the real-time transmission of data packets sent and received by the terminal Speed: Based on the network signal quality and the real-time transmission rate of data packets, adjust the non-independent networking dual-link mode. Adjusting the non-independent networking dual-link mode includes turning off the non-independent networking dual-link mode or maintaining the non-independent networking dual-link mode. Through the embodiments of the present disclosure, it is possible to realize automatic and dynamic switching between the EN-DC dual link and the single 4G network connection, without the need for the user to manually switch the network, to ensure the effective sending and receiving of terminal data packets, and to avoid the power consumption caused by always relying on the EN-DC dual link. high.

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 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.