An electronic communication device performs a method to detect proximity of an object to the device. The method includes determining a set of mutual coupling values for at least one pair of a plurality of antennas arrays of the electronic communication device. Each mutual coupling value indicates an efficiency of a mutual coupling transmission between an antenna element of a first antenna array of a pair of antenna arrays and an antenna element of a second antenna array of the pair of antenna arrays. The method further includes determining object position relative to the plurality of antenna arrays based on the set of mutual coupling values.

An electronic device is provided. The electronic device includes a housing, a first antenna radiator configured to transmit a signal having a target frequency to a vehicle and exposed to an outside of the housing, a second antenna radiator spaced apart from the first antenna radiator, configured to transmit the signal having the target frequency to the vehicle, and exposed to the outside of the housing, a conductive line disposed in an interior of the housing and electrically connecting the first antenna radiator and the second antenna radiator, and a feeding part configured to supply power to one point of the conductive line, wherein a first electrical length formed by the feeding part, the one point of the conductive line, and the first antenna radiator is different from a second electrical length formed by the feeding part, the one point of the conductive line, and the second antenna radiator.

In some embodiments, an apparatus includes a protective cover configured to attach to a wireless device having an exterior surface. The surface includes a first portion and a second portion mutually exclusive from the first portion. The second portion of the surface is associated with at least a portion of an antenna of the wireless device that performs proximity sensing for the wireless device. The protective cover is configured to cover the first portion of the surface when the protective cover is attached to the wireless device. The protective cover is configured to not cover the second portion of the surface when the protective cover is attached to the wireless device. As a result, the proximity sensing and/or the power transmitted by the antenna are not affected by the protective cover when the protective cover is attached to the wireless device and when the wireless device is operational.

A user equipment (UE) may be configured to perform a random access channel (RACH) procedure with a base station. As part of the RACH procedure, the base station may transmit a contention resolution message to the UE. The UE may receive, from the base station, the contention resolution message. The contention resolution message may indicate at least a beam index corresponding to a beam, such as a transmit beam of the base station. The UE may determine whether the beam index is applicable to the UE. The UE may communicate with the base station through the beam corresponding to the beam index when the beam index is applicable to the UE. For example, the UE may send an acknowledgement message to the base station, and the base station and UE may switch to a beam corresponding to the beam index after communication of the acknowledgement message.

Methods, apparatuses, and computer-readable mediums associated with a user equipment (UE) and a base station are provided for herein. In aspects, a UE may receive, from a base station, a beam modification command indicating at least one beam index for communicating through at least one beam on at least one channel. In an aspect, each beam index of the at least one beam index may indicate at least a direction for communicating through a corresponding beam of the at least one beam. The UE may communicate, with the base station, through the at least one beam corresponding to the at least one beam index on the at least one channel.

A UE may receive a beam modification command that indicates a set of transmit beam indexes corresponding to a set of transmit beams of a base station, and each transmit beam index of the set of transmit beam indexes may indicate at least a transmit direction for transmitting a transmit beam by the base station. The UE may determine a set of receive beam indexes corresponding to receive beams of the UE based on the set of transmit beam indexes, and each receive beam index of the set of receive beam indexes may indicate at least a receive direction for receiving a receive beam by the UE. The UE may receive, from the base station, a signal through at least one receive beam corresponding to at least one receive beam index included in the set of receive beam indexes.

A UE may receive, from a base station, a message requesting BSI. The UE may determine a number N of BSI reports to send to the base station, and each BSI report may indicate a beam index corresponding to a beam and a received power associated with the beam. The UE may send, to the base station, N BSI reports based on the message requesting BSI. The UE may receive, from the base station, a set of signals through a set of beams, and determine the received power for each signal of the set of signals received through each beam of the set of beams, each received power may be associated with a beam of the set of beams.

A UE may select a first beam for communication with a base station. The UE may attempt, through the selected first beam, at least one RACH procedure with the base station. The UE may determine that the at least one RACH procedure failed with the base station. The UE may send, after a successful RACH procedure with the base station, information indicating that the at least one RACH procedure failed. In an aspect, the UE may select a new beam for communication with the base station after the determination that the at least one RACH procedure failed, and at least a portion of the successful RACH procedure may be performed through the selected new beam.

A set of headphones include a zone that is sensitive to electromagnetic radiation, a first earpiece including a first directional antenna operable at a first frequency and having a first radiation pattern radiating away from the zone, and a second earpiece including a second directional antenna operable at the first frequency and having a second radiation pattern radiating away from the zone.

An information handling system (IHS) includes an antenna system. The antenna system includes a smart antenna and a smart antenna control system, the smart antenna control system controlling configuration of a configurable aspect of the smart antenna based upon information regarding the configurable aspect of the smart antenna.