31results about How to "Efficiently transmitting and receiving" patented technology

A method for retransmitting coded bits by a transmitter in response to a retransmission request from a receiver in a mobile communication system which separates coded bits output from an encoder into coded bits with higher priority and coded bits with lower priority, and transmits from the transmitter to the receiver a stream of symbols obtained by symbol mapping the coded bits by a specific modulation technique. The method comprises determining orthogonal codes available for retransmission; separating the coded bits with higher priority and the coded bits with lower priority into a plurality of sub-packets with a given size, and selecting a part of the sub-packets or sub-packets to be repeatedly transmitted, depending on the determined number of available orthogonal codes; and transmitting a stream of symbols obtained by symbol-mapping coded bits of the selected sub-packets by the specific modulation technique, with the determined available orthogonal codes.

A method and apparatus for transmitting Time Division Duplexing (TDD) configuration information by an evolved Node B (eNB) in a TDD wireless communication system are provided. The method includes determining a changed TDD configuration indicating a transmission direction of a plurality of sub-frames constituting a frame; generating a system information element including dynamic TDD configuration information indicating the changed TDD configuration; transmitting a system information block including the dynamic TDD configuration information; and sending a Media Access Control (MAC) message including information indicating whether a change in TDD configuration is activated.

Disclosed is a method for transmitting and receiving audio in a Mosaic electronic program guide (EPG) service. A digital broadcast transmitting side mixes stereo audio signals corresponding to each sub-picture within a Mosaic EPG picture and encodes mono audio signals corresponding to odd and even-numbered sub-pictures into one stereo audio signal. The digital broadcast transmitting side transmits the stereo audio signal based on a result of the encoding through the Mosaic EPG service. Therefore, the method can efficiently transmit audio of a sub-picture within the Mosaic EPG picture, and can minimize bandwidth necessary for transmitting audio of sub-pictures within the Mosaic EPG picture. A user can confirm and select a desired broadcast program while listening to audio corresponding to a sub-picture within the Mosaic EPG picture, thereby conveniently using the desired broadcast program.

A system and method is provided for transmitting packet data in a base station of a wireless communication system using a Hybrid Automatic Repeat Request (HARQ) scheme. The method includes determining a HARQ scheme for use, from among a plurality of HARQ schemes including a Synchronous HARQ (SHARQ) scheme and an Asynchronous HARQ (AHARQ) scheme for transmission packet data, and transmitting the packet data along with control information including information indicating the determined HARQ scheme.

Disclosed is an Ethernet apparatus having a plurality of lanes according to the present invention, including: a transmission lane identifying unit to identify a physical transmission lane according to a data transmission order by activating a transmitter, and by verifying data to be transmitted through the activated transmitter; and a transmission lane adjusting unit to adjust the physical transmission lane using information about the number of operable lanes and to transmit data through the adjusted physical transmission lane when the physical transmission lane is identified by the transmission lane identifying unit.

The present invention relates to a method and apparatus for effectively transmitting or receiving paging in a wireless communication system supporting a plurality of services. A method for transmitting paging by a base station in a wireless communication system supporting a plurality of services according to an embodiment of the present disclosure comprises the steps of: transmitting information on a paging slice corresponding to a service in which paging is transmitted to a terminal; and transmitting the paging to the terminal through the paging slice.

A method for transmitting audio data by a master device in a Bluetooth Low Energy (BLE)-based wireless communication system is provided. The method includes configuring a data packet to include identification information indicating whether the audio data is included in a payload of the data packet and transmitting the data packet to at least one slave device.

An apparatus and method for processing received signals in a handover of a MS in a BWA communication system including a plurality of BSs capable of providing a service to the MS. According to the method, the MS receives signals of different BSs and detects preambles for each BS from the received signals. Further, the MS measures channel quality information corresponding to each of the detected preambles and compares the measured channel quality information with a preset threshold value. Further, the MS processes the signals received from the different BSs based on a result obtained by comparing the measured channel quality information with the preset threshold value.

Provided are a method and apparatus for efficiently transmitting and receiving information regarding a Universal Plug and Play (UPnP) event. In the method of receiving event information, a notice regarding a part of a plurality of status changes of a service is requested for an event indicating at least one of the status changes of the service, and information regarding the part of the status changes is received in response to the request. Accordingly, a control point can receive an event message that contains only necessary status parameters.

The present disclosure relates to a communication technique that combines, with IoT technology, 5G communication system for supporting a higher data transfer rate than a 4G system, and a system therefor. The present disclosure can be applied to intelligent services, such as smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail businesses, security and safety related services, etc. on the basis of 5G communication technologies and IoT related technologies. Disclosed, in the present invention, are a method and an apparatus for determining the size of a transport block in a communication or broadcasting system.

A method and apparatus are provided for transmitting data to access terminals by an access node in a Code Division Multiple Access (CDMA) system operating at least 128 Medium Access Control Identifiers (MAC IDs) in one sector. A preamble set for transmitting a multi-user packet (MUP) is configured to a specific access terminal, information on the preamble set is provided to the terminal, and data is transmitted to an access terminal having a MAC ID of 128 or higher using a preamble corresponding to the MAC ID. If a specific access terminal has a MAC ID of 128 or higher, the preamble set includes at least one preamble with which the access terminal determines whether the MUP is received. The access node provides information on the preamble set to the access terminal during session configuration.

The present invention relates to a method for transmitting and receiving channel state information in a wireless communication system. A method for transmitting channel state information (CSI) by a terminal via a plurality of physical uplink control channels (PUCCHs) in a wireless communication system may comprise the steps of: receiving, from a base station, configuration information related to a CSI report; transmitting first CSI information to the base station via a first PUCCH resource; and transmitting second CSI information to the base station via a second PUCCH resource.

Disclosed is a method for transmitting and receiving audio in a Mosaic electronic program guide (EPG) service. A digital broadcast transmitting side mixes stereo audio signals corresponding to each sub-picture within a Mosaic EPG picture and encodes mono audio signals corresponding to odd and even-numbered sub-pictures into one stereo audio signal. The digital broadcast transmitting side transmits the stereo audio signal based on a result of the encoding through the Mosaic EPG service. Therefore, the method can efficiently transmit audio of a sub-picture within the Mosaic EPG picture, and can minimize bandwidth necessary for transmitting audio of sub-pictures within the Mosaic EPG picture. A user can confirm and select a desired broadcast program while listening to audio corresponding to a sub-picture within the Mosaic EPG picture, thereby conveniently using the desired broadcast program.

An apparatus and method for transmitting and receiving packet data in persistent resources in a wireless communication system using Hybrid Automatic Repeat reQuest (HARQ) are provided, in which a user buffer stores user data to be transmitted to a receiver, a controller allocates persistent resources to the receiver according to the data type of the user data and controls a Packet Start Indicator (PSI) to be included in an initial transmission subpacket, when the initial transmission subpacket is transmitted, and a transmission and reception processor transmits the user data and the PSI to the receiver and receives a response signal from the receiver.

Wireless LAN (Local Area Network) terminals are provided for executing a four-way handshaking procedure when they communicate with one another directly in a wireless ad hoc network mode. Each of the wireless LAN terminals may include a state processor which takes action in accordance with a communication state of its own wireless LAN terminal, and, upon sending a message during the four-way handshaking procedure, issues sending-completion information that indicates completion of the sending. The terminal may further include a state manager which, based on the sending-completion information, causes the communication state to be in a waiting state so that even during the four-way handshaking procedure, a message in processing procedure other than the message sent during the four-way handshaking procedure can be sent and received.

The present disclosure relates to a method and a device for transmitting and receiving a packet in a communication system. A method for transmitting a packet according to the present disclosure comprises the steps of: generating at least one source block including source packets for transmitting contents; performing forward error correction (FEC) encoding and generating at least one reconstructed block including reconstructed packets for restoring the source packets; and transmitting signaling information including packet identification information on the at least one source block and a packet stream including the source packets and the reconstructed packets, wherein header information of the reconstructed packets includes the number of source packets included in each source block according to the packet identification information, and information indicating the start numbers of the source packets included in the each source block.

The present invention relates to a method and apparatus for effectively transmitting or receiving paging in a wireless communication system supporting a plurality of services. A method for transmitting paging by a base station in a wireless communication system supporting a plurality of services according to an embodiment of the present disclosure comprises the steps of: transmitting information on a paging slice corresponding to a service in which paging is transmitted to a terminal; and transmitting the paging to the terminal through the paging slice.

The present invention relates to a method for generating, by a transmission device, a packet in a broadcasting and / or communication system, the method comprising the steps of: generating a first source symbol block consisting of one or more source symbols with the same length using a source packet block consisting of one or more source packets; performing a forward error correction (FEC) coding operation on the first source symbol block; generating a second source symbol block containing information about each source packet constituting the source packet block; and generating a second recovery symbol block with one or more recovery symbols by performing an FEC coding operation on the second source symbol block.

A method and apparatus for generating a TSC in a communication system are provided, in which a pair of sequences A and B having auto-correlation and cross-correlation properties are generated and the TSC is generated by inserting guard sequences Z each having z zero symbols in the most significant bits of the sequences A and B.

The electronic device according to various embodiments comprises: a housing structure; a user interface located in the housing structure; a network interface that can be connected by wire or wirelessly; a wireless communication circuit configured to communicate with an external device by using frequencies between 10 GHz and 100 GHz; a processor located in the housing structure and operatively connected to the user interface, the network interface, and the wireless communication circuit; and a memory located in the housing structure and operatively connected to the processor. When the memory is running, the processor may: establish a first communication channel with a first external device by means of the wireless communication circuit; receive authentication information from the first external device by means of the first communication channel; receive data from the first external device by means of the first communication channel, while or after receiving the authentication information; store the received data in the memory at least temporarily; establish a second communication channel with a second external device by means of the network interface, by using the authentication information; and store commands for transmitting the stored data to the second external device by means of the second communication channel. Other embodiments are possible.

Disclosed is a method and an apparatus for transmitting and receiving control information for receiving a service in a broadcast communication system. The method includes: inserting first control information for receiving at least one different service at a next frame in each of multiple service data pieces of a current frame; and transmitting a frame including the first control information through a wireless network. By the method, it is possible to efficiently transmit and receive a frame, which includes multiple services configured through a combination of one or more RFs, thereby enabling rapid receiving of a switched service in the case of service switching.

The present disclosure relates to a communication technique that combines, with IoT technology, 5G communication system for supporting a higher data transfer rate than a 4G system, and a system therefor. The present disclosure can be applied to intelligent services, such as smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail businesses, security and safety related services, etc. on the basis of 5G communication technologies and IoT related technologies. Disclosed, in the present invention, are a method and an apparatus for determining the size of a transport block in a communication or broadcasting system.

A method and apparatus for generating a TSC in a communication system are provided, in which a pair of sequences A and B having auto-correlation and cross-correlation properties are generated and the TSC is generated by inserting guard sequences Z each having z zero symbols in the most significant bits of the sequences A and B.

An apparatus and method for transmitting and receiving packet data in persistent resources in a wireless communication system using Hybrid Automatic Repeat reQuest (HARQ) are provided, in which a user buffer stores user data to be transmitted to a receiver, a controller allocates persistent resources to the receiver according to the data type of the user data and controls a Packet Start Indicator (PSI) to be included in an initial transmission subpacket, when the initial transmission subpacket is transmitted, and a transmission and reception processor transmits the user data and the PSI to the receiver and receives a response signal from the receiver.