Certain aspects of the present disclosure relate to wireless communications, and more particularly, to techniques for reconfigurable intelligent surface (RIS) communication using RIS wake up signals (WUSs). A method that may be performed by a RIS includes determining resources for WUS transmissions, based on a WUS resource configuration, receiving, from a node, a WUS transmitted on the determined resources, and determining to wake DETERMINE, BY A RECONFIGURABLE INTELLIGENT SURFACE up a controller of the RIS, a surface of the RIS, or both based on the received WUS.

Disclosed embodiment of network device includes one or more processors coupled to a memory storing a set of instructions which when executed by the one or more processors cause the network device to: receive, from an IRS manager, a scheduling data request. The one or more processors further causes the network device to transmit, to the IRS manager, responsive to the received scheduling data request, a scheduling data response and receive, from the IRS manager, an IRS resource command, wherein the IRS manager transmits the IRS resource command responsive to the scheduling data response. Further, the one or more processors causes the network device to transmit to an IRS controller associated with the IRS, the received IRS resource command, wherein IRS controller is configured to allocate the IRS resources to each of the plurality of UEs based on the IRS resource command.

Embodiments of a system, device and method for designing or configuring reference signaling are disclosed. In some aspects, a wireless communication method includes sharing, by a first wireless communication node and a second wireless communication node, a reflection-based communication element.

Methods, systems, and devices for wireless communication are described. A reconfigurable reflective surface (RIS) may receive control information from a network entity. The control information may be usable at the RIS for determination of a set of phase parameters. The RIS may determine whether distance information between the network entity and the RIS is available. The RIS may determine the set of phase parameters in accordance with the control information. The set of phase parameters may be usable by the RIS for reflecting communications from the network entity to a user equipment (UE) in accordance with a focusing distance that may be based on the determined availability of the distance information. The RIS may apply the set of phase parameters to reflect a signal from the network entity to the UE.

Certain aspects of the present disclosure provide techniques for acquiring location information of an assisting node, such as an assisting transmission and reception point (TRP). The location information may include geographical location information as well as spatial information. The location information may be used to facilitate positioning and other purposes, such as beam management, interference management, and sensing between one or more assisting TRPs and one or more network entities (e.g., a gNodeB (gNB), a user equipment (UE), a central unit (CU), or a distributed unit (DU)). To achieve these purposes, accurate locations of the assisting TRPs are needed. The present disclosure provides techniques for acquiring and exchanging the accurate location information of such assisting TRPs.

A reflection unit of a relay apparatus includes a plurality of reflection elements capable of applying independent phase shifts to an incoming wave from a transmission point. The reflection unit estimates a distance between the relay apparatus and a reception point based on terminal information transmitted from the reception point. The number of divisions for grouping the plurality of reflection elements is determined based on the distance. The plurality of reflection elements are grouped into one or more reflection element groups according to the division number. The position of the reception point is estimated based on the terminal information. Each of the reflection element is applied a phase weight so that each of the reflection element groups generates a beam toward the position of a reception point.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may establish a connection with a network node. The UE may receive, via a reconfigurable intelligent surface (RIS), a signal that includes at least one composite signal that includes at least one multiplexed non-data signal, wherein a first beamwidth of the at least one composite signal at a first location is narrower than a second beamwidth of the at least one composite signal at a second location that is closer to the RIS than the first location. Numerous other aspects are described.

A method for wireless communication performed by a user equipment (UE) includes receiving multiple reference signals (RSs), each RS of the plurality of RSs being associated with a reflection from a respective reconfigurable intelligent surface (RIS), of multiple RISs, or with a direct transmission from a base station. The method also includes receiving, from the base station, a RIS configuration indicating a set of operative RISs, of the plurality of RISs, that reflect an uplink transmission from the UE. The method further includes transmitting, to the base station, an uplink message according to an uplink transmission power, the uplink transmission power being based on an effective pathloss that is a function of each pathloss of a set of pathlosses respectively associated with a set of RSs, of the multiple RSs, that are respectively associated with the set of operative RISs or the base station.

One example method includes receiving inputs (1) specifying a total power amount for the communication system, (2) specifying communication system operational parameters, and (3) specifying a number of elements implemented in the IRS. Based on the inputs, a portion of the total power amount needed to switch an element of the IRS from a passive element to an active element, an amplification amount of the element, and the SNR of the wireless signal received at the receiver when the first element is an active element are calculated for all combinations of elements of the IRS. Based on the calculations, a number of elements implemented in the IRS are selected to switch from passive elements to active elements that will result in a maximum SNR of the wireless signal received at the receiver.

Provided are a positioning method, device and system for a transmitting device, and a storage medium and an electronic device. The method includes that: control information is determined by a receiving device, wherein the control information includes temporal information and control direction information, and the control direction information is used for instructing a meta-surface control unit to adjust a reflection coefficient of a meta-surface to a target reflection coefficient corresponding to a preset direction within a target time period; a pilot signal is transmitted to the meta-surface by a transmitting device; the control information is sent to the meta-surface control unit by the receiving device; and a signal measurement result corresponding to the preset direction is determined, and the transmitting device is positioned according to the preset direction and the signal measurement result.