The present invention relates to a signal transmission and reception method and device using a plurality of cells of a terminal in a wireless communication system supporting a carrier aggregation. Particularly, the signal transmission and reception method comprises the steps of: receiving transmission control information for a primary cell (pcell) and a secondary cell (scell) according to uplink-downlink configuration difference ...

The present invention relates to a wireless communication system and, particularly, to a method and an apparatus for the same, the method comprising: mapping, in an sf, a first set of physical channels over all symbols; mapping, in the sf, a second set of physical channels over all remaining symbols, excluding the last symbol; reducing transmission power of the first ...

A method for transmitting and receiving data of a source device using hdmi (high definition media interface) is disclosed. A method for transmitting and receiving data of a source device using hdmi according to the present invention comprises requesting for reading out edid (extended display identification data) to a sink device when the sink device is connected; receiving from the ...

The present invention provides a method and an apparatus for transmitting and receiving a broadcast signal so as to adjust a colour range of content. The method for transmitting a broadcast signal according to an embodiment of the present invention comprises the steps of: encoding video data and signalling information including metadata with respect to the gamut of the video ...

A delay measuring device of a communication system that includes the delay measuring device sequentially transmitting and receiving frames having a known frame length, and a measurement object device serving as an object for measuring a round trip time by the delay measuring device, includes: an rtt measuring unit to measure a round trip time with respect to the measurement ...

A transmitter for transmitting an output signal includes first and second filter structures. The first filter structure includes a first combiner to extend a first data signal by a first reference signal to obtain a first extended data signal, and a first iir filter for filtering the first extended data signal to obtain a first filtered data signal. The second ...

A radar device 10, mounted on a vehicle a, for repeatedly performing a measurement of a target at every predetermined measurement interval, comprising a transmitting and receiving part 14 for, in each of the measurement events, transmitting a measurement wave p, and receiving a reflection wave r thereof as a detection wave, and a controller 12 for controlling the transmitting and receiving part 14, ...

Provided are a method and apparatus for transmitting an uplink signal by a narrow band internet of things (iot) ue. The method may include receiving, from a base station, uplink resource allocation information for transmitting harq ack/nack for downlink data, configuring a time-axis wireless resource and a frequency-axis wireless resource of an uplink signal including the harq ack/nack, ...

The present invention provides a method for transmitting and receiving data by a first node in a bluetooth mesh network. The first node establishes a first specific relationship with a first relay node, transmits, to the first relay node, a first message including a network address of a second relay node that has established a second specific relationship with the ...

A video signal and an audio signal are tmds transmitted from a source device to a sink device. Through a reserved line and a hpd line provided separately from a tmds transmission line, an ethernet™ signal is bidirectionally transmitted, and also, a spdif signal is transmitted from the sink device to the source device. The ethernet™ signal bidirectionally ...

Provided is a method for transmitting and receiving inter-cell information for cancelling inter-cell interference in a wireless communication system. The method for transmitting and receiving inter-cell information may comprise the steps in which: a base station of a victim cell transmits, to a base station of an adjacent aggressor cell, a first pmi set which is a set of pmis ...

Disclosed are a mobile terminal capable of starting data sharing through an infrared signal and a control method therefor. To this end, the mobile terminal may comprise: a wireless communication unit for performing wireless communications; and infrared transceiver for transmitting and receiving an infrared signal; a user input unit for receiving a user input; and a control unit for controlling ...

A method for a transmitter of a mobile communication system transmitting and receiving signals according to an embodiment of the present specification comprises the steps of: transmitting to a receiver system information for transmitting a signal to the receiver including a connection between a wireless resource and a transmitting antenna; transmitting a reference signal to the receiver based on the ...

The present disclosure provides a fingerprint image sensor and a method for optical wireless communications using the same. The fingerprint image sensor includes: a backlight plate; an image sensor unit, disposed above the backlight plate; and a protection layer, disposed above the image sensor substrate; wherein the fingerprint image sensor is configured to operate at least in a transmitting mode ...

The antenna system (44) comprises a first array (45) of radiating elements (50a, 50b, 50c, 50d) able to radiate in a first frequency band and at least one second array (52i, 55, 56) of radiating elements able to radiate in a second frequency band, a plurality of activation elements able to activate and/or deactivate each of the first array and second array of ...

The present application discloses a method of transmitting and receiving a signal to and from an evolved node b (enb) by user equipment in a wireless communication system that supports carrier aggregation. In particular, the method is characterized by including the steps of: performing first carrier detection on a channel that is set for a predetermined frequency region of an ...

The present disclosure relates to transmitting and receiving beam information in a wireless communication system. An operation of a receiving end includes: generating a signal indicating two or more analogue transmission beams which are allocable to the receiving end; and transmitting the signal. In addition, the present disclosure includes other embodiments different from the embodiment described above.

This closure relates to narrowband communication supporting an internet of things (iot) service in a next-generation wireless communication system and, more particularly, to a method and apparatus for transmitting and receiving narrowband synchronization signals. A base station transmits a narrowband secondary synchronization signal indicating a narrowband cell identity, a specific sequence generated by performing phase rotation with respect to a ...

This closure relates to narrowband communication supporting an internet of things (iot) service in a next-generation wireless communication system and, more particularly, to a method and apparatus for transmitting and receiving narrowband synchronization signals. A base station repeats a zadoff-chu sequence on each of multiple ofdm symbols; multiplies each component of a cover sequence, having a length corresponding to a ...

This closure relates to narrowband communication supporting an internet of things (iot) service in a next-generation wireless communication system and, more particularly, to a method and apparatus for transmitting and receiving narrowband synchronization signals. A base station transmits an nb secondary synchronization signal (sss) indicating n nb cell identities assigned for nb internet of things (iot) operation, a specific sequence ...

The present invention relates to a method and device for transmitting and receiving csi (channel state information). A csi transmission method at a comp (coordinated multi-point) device includes steps of receiving a csi-rs (reference signal) from a plurality of transmission points, acquiring an optimal phase difference value causing an optimal channel quality between the plurality of transmission points, based on ...