The present disclosure relates to a device for activating a radio frequency (RF) module which is to be used efficiently in an electronic device that operates a plurality of RF modules (or antenna modules) in a wireless communication system, and to a method for controlling same. To this end, the electronic device checks the temperatures of the plurality of antenna modules using a first frequency band, and identifies candidate antenna modules in consideration of the temperatures of the plurality of antenna modules. The electronic device selects a serving antenna module from among the candidate antenna modules so that an available temperature state, in which the temperatures of the candidate antenna modules are lower than a threshold temperature, is maintained, and transmits and receives a signal using the first frequency band in the serving antenna module. The candidate antenna modules may include antenna modules which support communication performance of a threshold level or higher.

A full-duplex User Terminal Panel (UTP) including one or more User Terminal Modules (UTM) having a plurality of Tx antenna elements. Each of the Tx antenna elements spaced apart from one another by a distance dTx. The full-duplex UTP further includes a plurality of Rx antenna elements. Each of the Rx antenna elements are spaced apart from one another by a distance dRx. Furthermore, the Tx antenna elements may be spaced according to a Tx lattice dTx, such that the Tx lattice dTx spacing arrangement provides grating lobe-free scanning in an elevation plane at a Tx frequency range. The Rx antenna elements are spaced according to an Rx lattice dRx, such that the Rx lattice dRx spacing arrangement provides grating lobe-free scanning in an elevation plane at a Rx frequency range.

An example portable electronic device can include: a first antenna, a second antenna, and a third antenna; a first RFFE, a second RFFE, and a third RFFE which are configured to pre-process an RF signal; a first conductive wiring; a first switch including a (1-1)th terminal connected to the first antenna, a (1-2)th terminal connected to one end of the first conductive wiring, and a (1-3)th terminal connected to the first RFFE; a second switch including a (2-1)th terminal connected to the second antenna, a (2-2)th terminal connected to the third antenna, a (2-3)th terminal connected to the second RFFE, a (2-4)th terminal connected to the third RFFE, and a (2-5)th terminal connected to the other end of the first conductive wiring; an RFIC configured to convert RF signals inputted from the first RFFE, the second RFFE, and the third RFFE into a baseband signal, and convert the baseband signal into an RF signal so as to output the RF signal to the first RFFE; and a communication processor configured to control the first switch so as to sequentially connect the (1-3)th terminal to the (1-1)th terminal and the (1-2)th terminal when the portable electronic device operates in a first transmission mode for transmitting a sounding reference signal (SRS) to the wireless communication network by using the first RFFE, and control the second switch so as to sequentially connect the (2-1)th terminal and the (2-2)th terminal to the (2-5)th terminal while the (1-2)th terminal is connected to the (1-3)th terminal.

A communication device includes an antenna positioned within the communication device and configured to radiate a radiofrequency communication signal with a first frequency band and a conductive chassis containing the antenna within the communication device. A conductive wall portion of the conductive chassis forms a conductive exterior surface of the communication device. The antenna is positioned in proximity to the conductive wall portion to radiate the radiofrequency communication signal through the conductive wall portion. The conductive wall portion includes a pattern of apertures. At least one dimension of each aperture is less than or equal to a wavelength of a center frequency of the first frequency band.

Apparatus for receiving radio frequency, RF, signals, comprising at least two antenna panels, wherein each of the at least two antenna panels is configured to provide a respective received signal with an associated frequency spectrum, wherein the apparatus is configured to apply a frequency shift to at least one of the received signals such that center frequencies of at least two adjacent frequency spectra comprise a predetermined frequency distance from each other.

An electronic device includes a first antenna configured to process a first radio frequency (RF) signal within a first frequency band; a second antenna spaced apart from the first antenna configured to process a second RF within a second frequency band different from the first frequency band; a first radio frequency front end (RFFE) and a second RFFE configured to process a third RF signal within a third frequency band different from the first frequency band and the second frequency band; a communication processor electrically connected to the first switch and the second switch; and a memory operatively coupled to the communication processor and configured to store performance information having, at least, a first value indicating an efficiency of the first antenna when performing a first radio communication, and a second value indicating an efficiency of the second antenna when performing the first radio communication. The memory is configured to store instructions that, when executed, cause the communication processor to transmit or receive a signal within at least one of the first frequency band, the second frequency band or the third frequency band, and select an antenna to support the first radio communication among the first antenna and the second antenna based on the performance information having the first value or the second value. The first RFFE and the second RFFE support the first radio communication within the third frequency band.

Embodiments of the present invention provide apparatus and methods for multi-link operations that include retransmission of data using different wireless links. The following discussion describes one such exemplary electronic system or computer system that can be used as a platform for implementing embodiments of the present invention. The multi-link device can be a multi-link wireless access point or a multi-link wireless station, for example. The multi-link device can operate multiple transceivers simultaneously to perform multi-link operations including retransmission using different wireless links. For example, the multi-link device can transmit an encrypted MPDU using a first wireless link, and retransmit the MPDU using a second wireless link by setting a MAC header of the MPDU according to a MAC address of the second wireless link, to advantageously enhance the performance, reliability, and efficiency of the wireless network.

An electronic device having a 5G antenna, according to the present invention, is provided. The electronic device has the antenna comprising: a metal pattern in which metal having a predetermined length and width is printed and disposed on the front surface of a substrate, and which is configured to emit a first signal; and a feeding pattern which is disposed in an area in which the metal pattern is separated and spaced apart from the feeding pattern, and which is configured to coupling-feed the first signal to the metal pattern. In addition, the electronic device further comprises a second antenna which has a metal pattern and a second feeding pattern that are disposed to be symmetrical to those of the first antenna on the front surface of the substrate, and which is configured to emit a second signal.

An electronic device includes a side surface member, a wireless communication circuit, and a switch circuit. The side surface member includes a first conductive portion coupled to the wireless communication circuit and the switch circuit, a second conductive portion coupled to the switch circuit, and a first non-conductive portion disposed between the first conductive portion and the second conductive portion. The switch circuit is controlled to be in at least one of a first state, a second state, and a third state, based on a first frequency of a first operating signal supplied by the wireless communication circuit. The switch circuit is configured to couple the second conductive portion to the wireless communication circuit, in the first state, and to couple the second conductive portion to the first conductive portion, in the second state.

A radio-frequency circuit includes a first power amplifier that outputs a first transmission signal and a second power amplifier that outputs a second transmission signal having a frequency different from a frequency of the first transmission signal. In a period in which the first transmission signal the second transmission signal are simultaneously outputted, at least one of the first power amplifier or the second power amplifier reduces transmission power of the at least one of the first power amplifier or the second power amplifier to cause a power component of intermodulation distortion superimposed on a transmission signal output from the first power amplifier and the second power amplifier to be less than or equal to a threshold value.