According to an example embodiment of the inventive concept, a master unit for time division duplex includes a passive signal distributor for outputting, to a second node, a downlink signal input through a first node, and outputting, to the first node, an uplink signal input through a third node, and a signal transceiver for transmitting, to a remote unit, the downlink signal input from the second node, and outputting, to the third node, an uplink amplification signal received from the remote unit.

A method includes measuring an interference caused by a first radio in a multi-link device to a second radio of the multi-link device and in response to determining that the interference exceeds a threshold, repeatedly narrowing a transmission beam width of the first radio until the interference falls below the threshold.

There is set forth herein, in one embodiment, receiving an aggregate scanning signal stream from a set of scanning antennas configured in a scanning configuration; receiving aggregate communication signal streams from first to Nth sets of communication antennas configured in respective communication configurations; identifying an interfering signal stream within the aggregate scanning signal stream and determining a direction associated to such interfering signal stream, wherein the identifying and determining are performed with use of processing of the aggregate scanning signal streams received from the scanning antennas configured in a scanning configuration; and returning an action decision responsively to the identifying and the determining.

An apparatus, method and computer program is described comprising: receiving an amplified uplink signal from a relay circuit, wherein the uplink signal is amplified by the relay circuit; receiving a downlink signal; processing the downlink signal by cancelling leakage uplink signals within the received downlink signal to generate a processed downlink signal; and generating a timing signal output based, at least in part, on the processed downlink signal.

A radio transceiver and corresponding method include a transmission unit configured to transmit an uplink signal to a base station. A receiving unit is configured to receive a relay signal, which comprises the uplink signal and a downlink signal received from the base station. An extraction unit is configured to extract the downlink signal from the relay signal based on the uplink signal.

Radio frequency (RF) signal boosters are provided. A radio frequency signal booster can include a housing integrated with a base station antenna. The booster includes a mobile station antenna port, and downlink and uplink amplifiers within the housing. The base station antenna can receive wireless communications signals on one or more downlink channels and transmit wireless communications signals on one or more uplink channels. Also, the mobile station antenna port can be connected to an integrated or separate mobile station antenna, which can provide communications signals on one or more downlink channels and receive wireless communications on one or more uplink channels. An isolator in the form of a reflector integrated with the housing can isolate the mobile station antenna from the base station antenna.

According to an example embodiment of the inventive concept, a master unit for time division duplex includes a passive signal distributor for outputting, to a second node, a downlink signal input through a first node, and outputting, to the first node, an uplink signal input through a third node, and a signal transceiver for transmitting, to a remote unit, the downlink signal input from the second node, and outputting, to the third node, an uplink amplification signal received from the remote unit.

A communication device includes: a communication unit that is allowed to simultaneously perform data transmission and data reception by using a same band; an acquisition unit that acquires information regarding self-interference generated at a time when the data transmission and the data reception are simultaneously performed by using the same band; and a communication control unit that performs control regarding the data transmission based on information regarding the self-interference or information from another device generated based on the information regarding the self-interference.

A construction panel having integrated antennas for enhancing the range of telecommunication signal transmissions inside buildings includes multiple layers, including a first layer and a second layer. The construction panel further includes a first antenna on the first layer. The first antenna transfers a telecommunication signal that is incident on the first layer. The construction panel further includes a second antenna on the second layer. The first antenna transmits the telecommunication signal to the second antenna through the first layer using near field coupling. A wavelength of the telecommunication signal is more than a distance between the first antenna and the second antenna. The second antenna causes the telecommunication signal to radiate on the opposite side of the first layer. One or more methods to manufacture the construction panel are also described.

Aspects of the present disclosure relate to wireless communications, and more particularly, to techniques for joint source channel coding for efficiently relaying a set of bits mapped to a modulation symbol. A method that may be performed by a wireless relay node includes obtaining a set of bits to convey to a second wireless node. The method may include mapping the set of bits to a first modulation symbol of a set of modulation symbols, wherein the mapping is chosen based on an interpreted value of the set of bits. The method may include transmitting the first modulation symbol to the second wireless node.