A method and system for transpositional modulation fortified communication includes an original carrier of an RF channel operating within a spectral mask. The original carrier has a carrier signal with a first quantity of data. At least one transpositional modulation (TM) channel has a TM signal second quantity of data. The at least one TM channel is added to the original carrier thereby generating a TM fortified carrier signal having the first and second quantities of data. The at least one TM channel and the original carrier do not exceed the spectral mask. At least one device with a receiver receives the TM fortified carrier signal.

Proposed are an apparatus and a method for estimating the position of a target terminal within a mobile communication system. In general, a mobile communication system is composed of a base station and terminals. In the present invention, one or more positioning devices are placed around a target terminal required to be positioned to measure a transmission signal of the target terminal, and accurately measures the position of the target terminal on the basis of the transmission signal. In the above process, the base station should connect a communication channel with the terminal for positioning of the terminal, and a method therefor is proposed. In particular, the present invention relates to a method for setting a terminal in a standby state to transmit an uplink signal. In addition, an operation and a protocol for positioning the target terminal are proposed.

A method and apparatus of a first network entity in a wireless communication system supporting ranging capability is provided. The method comprises: identifying, in a ranging block, one or more ranging rounds to transmit a ranging control message (RCM) and ranging ancillary data; generating the RCM including an advanced ranging control information element (ARC IE) that includes a ranging method field, wherein the ranging method field includes a value that indicates whether a ranging round following the RCM is used for ranging ancillary information exchange; transmitting, to a second network entity, the ranging ancillary data in the ranging round following the RCM when the value included in the ranging method field corresponds to ranging ancillary information exchange; and receiving, from the second network entity, an acknowledgement (ACK) corresponding to the ranging ancillary data.

A method is described for locating an electronic device in the vicinity of an array having a central unit and anchors connected to the central unit. The method is applied during at least a communication cycle comprising a plurality of time slots each allocated to a distinct anchor. The method involves receiving an initiation signal from the electronic device, performing an election of a set of anchor(s) based on the reception quality of the initiation signal, emitting a reply signal during a respective allocated time slot, operating the electronic device in a first configuration during the time slots which are not allocated to one of the anchors the elected set, operating the electronic device in a second configuration during the time slot allocated to the elected set to detect and receive a reply signal, and calculating a location of the electronic device based on the reply signal.

A wireless local area network sensing method. The method includes: in a process in which a second network device performs high frequency MIMO channel access, a first network device sends indication information to a plurality of second network devices, where the indication information indicates the plurality of second network devices to send uplink sensing signals; and the first network device receives the uplink sensing signals from the second network devices and performs uplink sensing based on the uplink sensing signals.

It is provided a method for determining when a portable key device is located on a front side or on a back side in relation to a barrier secured by an electronic lock. The method is performed in a location determiner and comprises the steps of: obtaining a channel impulse response, CIR, based on an impulse signal transmitted from the portable key device, the CIR being based on a plurality of samples of the impulse signal as received by an antenna being fixedly mounted in relation to the electronic lock; and determining, based on the CIR, whether the portable key device is located on the front side or on the back side.

Techniques are provided for positioning of user equipment (UE) with paging messages. An example method for positioning a user equipment with paging messages includes receiving a positioning paging message with a user equipment in an idle state, measuring positioning measurements in response to receiving the positioning paging message, determining location information based at least in part on the positioning measurements, and transmitting the location information via a random access procedure.

Disclosed are techniques for wireless positioning. In an aspect, a user equipment (UE) determines a positioning measurement of a first multipath component of a radio frequency (RF) signal transmitted by a transmission-reception point (TRP), determines a first additional positioning measurement of a second multipath component of the RF signal, determines a second additional positioning measurement of a third multipath component of the RF signal, and transmits a measurement report to a location server, the measurement report including at least the positioning measurement, the first additional positioning measurement, the second additional positioning measurement, and one or more parameters associated with the first additional positioning measurement and the second additional positioning measurement.

Disclosed is a method for performing downlink time difference of arrival (DL-TDoA) by an ultra-wide band (UWB) device that includes selecting at least one active ranging round from a ranging block based on at least one of location information or motion information about the UWB device, transferring, to a UWB sub system, a command including information about the at least one active ranging round, and performing a DL-TDoA operation based on the information about the at least one active ranging round.

An embodiment of the disclosure provides an apparatus that include a communication module, a memory, a processor operatively connected to at least one of the communication module or the memory. The processor may be configured to perform UWB communication with a plurality of anchors included in a vehicle via the communication module according to a first scheme, to determine whether a distance to the vehicle falls within a predetermined distance by measuring the distance via the UWB communication, to determine whether a predetermined condition is satisfied if the distance falls within the predetermined distance, and if the predetermined condition is satisfied, to change the UWB communication scheme from the first scheme to a second scheme. Other embodiments are possible.