A handover method for managing WBSS vehicle network managed by a WESS-CM includes: recognizing that a vehicle enters an overlapped area between first and second WBSSs; sending, by the first WBSS, a handover recommend request to the WESS-CM; confirming with the second WBSS, by the WESS-CM, whether handover is possible; responding to the WESS-CM, by the second WBSS, the availability of the handover after allocating communication resources; sending, by the WESS-CM, a handover recommend response to the first WBSS; transmitting, by the first WBSS, a handover request message to the vehicle; performing the handover, by the vehicle, by performing reassociation with the second WBSS; and periodically broadcasting, by the vehicle, basic safety message using a T-slot in shared control channel and a T-slot in BSM channel for the second WBSS, while the vehicle is located in the overlapped area.

An apparatus includes processing circuitry configured to output a first superframe configured in an initial superframe mode that allocates each slot of a plurality of slots for wireless communication to a first protocol at a first frequency band, a second protocol at the first frequency band, or a third protocol at the first frequency band. The processing circuitry is also configured to output a second superframe configured in a multi-frequency superframe mode that allocates: i) at least one slot of a plurality of slots for wireless communication to the first protocol, the second protocol, or the third protocol at the first frequency band, and ii) at least one slot of the plurality of slots for wireless communication to the first protocol, the second protocol, or the third protocol at the second frequency band.

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present invention presents a method for efficiently estimating a physical channel and, according to the present invention, a terminal of a communication system receives a synchronization signal from a base station, receives a broadcast channel from the base station, and can estimate the broadcast channel on the basis of the synchronization signal.

A method at a first device for enabling a device-to-device wireless link, the method detecting whether a presence signal of a second device is received over a first time period, the presence signal of the second device having a time-slot boundary; and if the presence signal of the second device is not detected, initiating a time-slot boundary by the first device including: transmitting a first presence signal of the first device in a selected time-slot; and checking for an acknowledgment to the first presence signal.

Method, apparatuses, and storage mediums are provided for establishing an RRC connection in the technical field of communications. The method may include: receiving a designated signaling sent by a first base station, the designated signaling carrying system configuration information of a second base station; and establishing an RRC connection with the second base station, based on the system configuration information of the second base station.

A communication device can be configured to detect radar signals within an operating channel. The communication device can include a mixer, filter, scanning and spreading circuit and a radar signal detector. The mixer can be configured to modulate a received communication signal based on an oscillating signal to generate a modulated signal. The filter can have a first bandwidth and be configured to filter the modulated signal. The scanning and spreading circuit can be configured to control the oscillating signal to scan an operating channel having a second bandwidth. The second bandwidth can be greater than the first bandwidth. The radar signal detector can be configured to detect a radar signal within the scanned operating channel.

A method in a network node for multiplexing a physical channel between the network node and devices in a mixed wireless network, wherein the mixed wireless network comprises a cellular network comprising one or more cellular channels and a Device-to-Device (D2D), network comprising one or more D2D channels. The method includes time division multiplexing the physical channel between a first group of cellular channels and a first group of D2D channels, and frequency division multiplexing the physical channel between a second group of cellular channels and the first group of D2D channels.

A transmitter can include a laser operable to output an optical signal; a digital signal processor operable to receive user data and provide electrical signals based on the data; and a modulator operable to modulate the optical signal to provide optical subcarriers based on the electrical signals. A first one of the subcarriers carriers carries first TDMA encoded information and second TDMA encoded information, such that the first TDMA encoded information is indicative of a first portion of the data and is carried by the first one of the subcarriers during a first time slot, and the second TDMA encoded information is indicative of a second portion of the data and is carried by the first one of the subcarriers during a second time slot. The first TDMA encoded information is associated with a first node remote from the transmitter and the second TDMA encoded information is associated with a second node remote from the transmitter. A second one of the subcarriers carries third information that is not TDMA encoded, the third information being associated with a third node remote from the transmitter. A receiver and system also are described.

A terminal includes a receiver configured to receive a response related to retransmission control from another terminal, via a first channel used for transmitting and receiving the response related to retransmission control; a controller configured to receive, from a base station, information representing a first offset in time domain from the first channel to a second channel, the second channel being used for transmitting the received response related to retransmission control to the base station; and a transmitter configured to transmit the received response related to retransmission control to the base station, via the second channel, wherein the controller determines a position of the second channel in time domain based on: the first offset; and a second offset that is applied to a position of the first channel in time domain, and that is used to determine a starting point of the first offset.

In a first aspect, a method of wireless communication includes receiving, by a user equipment (UE) from a first network entity, a multiple component carrier (CC) signaling message including multiple CC scheduling information. The method also includes receiving, by the UE from, a downlink control information transmission indicating a downlink control information indication for multiple CCs, and determining a first downlink control information parameter for a first CC and a second downlink control information parameter for a second CC based on the downlink control information indication and the multiple CC scheduling information. The method further includes receiving, from the first network entity, a first downlink transmission for the first CC based on the first downlink control information parameter, and receiving, from a second network entity, a second downlink transmission for the second CC based on the second downlink control information parameter. In other aspects, uplink transmissions may be sent.