61 results about "Shared spectrum" patented technology

According to some embodiments, a method is performed by a wireless device for operation with shared spectrum channel access, wherein a first plurality of fixed frame periods (FFPs) are associated with the wireless device and a second plurality of fixed frame periods (FFPs) are associated with a network node and wherein each FFP comprises an idle period with no transmission and a channel occupancy time (COT) for potential transmission. The method comprises initiating a COT in one of the FFPs of the first plurality of FFPs and upon successful initiation of the COT, transmitting uplink data from the beginning of the COT.

Methods and apparatuses for operation modes on unlicensed spectrum in a wireless communication system including a carrier operating with shared spectrum channel access. A method of operating a UE includes receiving a set of higher layer parameters from a BS over the carrier and determining, from the set of higher layer parameters, a first operation mode for the BS. The method further includes determining, from the set of higher layer parameters, a second operation mode for the UE and transmitting to the BS based on the second operation mode. The first operation mode and the second operation mode include information on whether channel sensing is required before transmission on the carrier operating with shared spectrum channel access.

The invention provides a joint channel selection and power control method for a cognitive radio network, researches a scene of a plurality of primary users and a plurality of secondary shared spectrums in an underlay mode of the cognitive radio network, and provides a joint channel selection and power control MA-JCSPC method based on multi-agent deep reinforcement learning. According to the method, a spectrum access problem of primary and secondary users is modeled as a Markov decision process executed by multiple agents, and deep reinforcement learning is used for solving. In order to solve the problems of sparse rewards and invalid action exploration in the multi-agent training process, a penalty term is introduced to design a nonlinear reward function, and a new initial action selection strategy is used in the initial stage of agent action selection. The method can effectively coordinate all the secondary users to reasonably utilize the frequency spectrum, and is excellent in the aspect of the total throughput of the secondary users.

A 3rd Generation Partnership Project (3GPP) user equipment (UE) includes a wireless transceiver and a processor. The processor is configured to receive, via the wireless transceiver, a measurement configuration including a measurement object and a reporting configuration. The measurement object identifies at least one shared spectrum resource. The processor is also configured to monitor the at least one shared spectrum resource, via the wireless transceiver, for use by non-3GPP radio technology devices; and transmit, in accord with the reporting configuration and via the wireless transceiver, a report on the use of the at least one shared spectrum resource by non-3GPP radio technology devices.

Wireless communication systems, including systems, apparatuses, and methods for measurement capability and configuration on shared spectrum terrestrial networks (TNs) and non-terrestrial networks (NTNs) are disclosed. A user equipment (UE) includes a transceiver and a processor configured to cause the UE to receive, via the transceiver, control signaling indicating a neighbor cell measurement configuration for a radio frequency (RF) spectrum band utilized by both a TN device and an NTN device to serve UEs. The processor is further configured to receive, via the transceiver and according to the indicated neighbor cell measurement configuration, reference signals of the RF spectrum band from the TN device and from the NTN device. The processor is further configured to perform a mobility operation based on the reference signals from the TN device, the reference signals received from the NTN device, or both.

A method and apparatus in a wireless communication system supporting shared spectrum channel access is provided. The method and apparatus comprises: receiving a set of downlink channels supporting the shared spectrum channel access; identifying, a window for SS / PBCH block transmission, a bitmap for SS / PBCH blocks (ssb-PositionsInBurst), and a parameter for QCL assumption Q; determining, based on the identified window for the SS / PBCH block transmission, the identified bitmap for the ssb-PositionsInBurst, and the identified parameter for the QCL assumption Q, a SS / PBCH block as one of: a first set of SS / PBCH blocks assumed to be transmitted by the BS, or a second set of SS / PBCH blocks not transmitted by the BS; determining a set of resources that is not available for at least one PDSCH as overlapped with the first set of SS / PBCH blocks; and receiving the at least one PDSCH based on resource other than the determined set of resources.

Some embodiments of the present disclosure provide a channel access mechanism configured in a millimeter wave shared spectrum mobile communication network. The channel access mechanism is to be used by a user equipment (UE) and a serving node in a serving cell of the UE. The configuration can use a single cell-specific higher layer parameter or a combination of two cell-specific higher layer parameters. The parameters can configure the UE and the node to perform channel sensing before transmitting to initiate channel occupancy. Alternatively, the UE and the node can be configured to transmit directly without channel sensing. The parameters can configure a receiver (UE or node) to perform channel sensing before transmitting a channel clear indication to a transmitter as part of a channel access procedure to initiate channel occupancy. Alternatively, the parameters can configure the UE and the node to receive without channel sensing.

Embodiments of the disclosure provide a system and methodology for secure coexistence between wireless fidelity and cellular networks. Methods include: determining whether a wireless fidelity (WiFi) device is sharing a spectrum of a network; and adjusting a parameter of a cellular device sharing the spectrum in response to determining that the WiFi device is sharing the spectrum, wherein the parameter includes a modulation and coding scheme or a transmission power of the cellular device. Methods further include controlling admission of users to a communications network, including: determining whether an incoming transmission is an authentication request from a new user; issuing a temporary authentication to the user to transmit a set of access requirements to the user; determining whether a reply from the user complies with the set of access requirements; and issuing a long-term authentication to the user in response to the reply complying with the set of access requirements.

To provide a method of operating a long term evolution (LTE) communication system on a shared frequency spectrum.SOLUTION: In a method, a user equipment (UE) is initialized on an LTE frequency band. A base station (eNB) monitors a shared frequency spectrum to determine if it is BUSY. The eNB transmits to the UE on the shared frequency spectrum if it is not BUSY. The eNB waits for a first time if it is BUSY and directs the UE to vacate the shared frequency spectrum after the first time.SELECTED DRAWING: Figure 4A

Provided are an apparatus and method of wireless communication. A method of wireless communication by a user equipment (UE) includes determining a span combination including a first parameter and a second parameter for a subcarrier spacing higher than 60 kHz, where the first parameter is a distance between two consecutive spans and the second parameter is a span length. This can address problems in the prior art of providing channel access related indication for more than one scheduled uplink transmission by a same downlink control indicator (DCI) in a shared spectrum, reducing signaling overhead, providing good communication performance, and / or providing high reliability.

There is provided a system, method, and interfaces for Radio Access Networks and Cloud Radio Access Networks.

This application provides a spectrum sharing method, apparatus, electronic device, and storage medium. The method, applied to a 5G core network system, includes: receiving a shared spectrum access request sent by a first user terminal; and, based on a locally stored first user attribute certificate, if it is determined that the first user terminal is not sending the shared spectrum access request for the first time, broadcasting the shared spectrum access request to the blockchain network of a relay consortium blockchain, enabling the first user terminal to use relay nodes on the relay consortium blockchain to share spectrum for data transmission. This method improves the efficiency of data transmission using spectrum sharing.

Various embodiments comprise systems, methods, architectures, mechanisms and apparatus configured to enable wireless stations to use their shared spectrum grants proximate a priority / incumbent user of the shared spectrum by generating a propagation model of the priority / incumbent user, determining a potential interference therewith by each of at least one group of similarly located wireless stations proximate the priority user, determining a modification to a spectrum grant for each wireless station group that would avoid interference with the priority / incumbent user by the respective wireless stations of the group, and updating the spectrum grants of each wireless station in a wireless station group using the determined spectrum grant modification associated with the wireless station group.

Methods, apparatuses, devices, and computer readable media for wireless communication are described. Methods and apparatuses for transmitting and detecting channel reservation preambles in NR shared spectrum are described. One aspect can include determining whether a first reservation preamble of a first operator is received from a first network entity on a first slot of a plurality of slots of a downlink channel and transmitting a second reservation preamble of the first operator to a second network entity on an uplink channel. Another aspect can include generating the first reservation preamble of the first operator based on at least one of a compressed representation in a signal space, a basis function of the signal space, or a CAZAC sequence; and transmitting the first reservation preamble of the first operator to at least a UE on the first slot of the plurality of slots of the downlink channel. In another aspect, SFN transmission of first and second reservation preambles and low latency detection methods of these reservation preambles are disclosed.

Methods and apparatus for BWP and SUL operations in wireless systems, particularly in systems using shared spectrum, are described herein. In one embodiment, a wireless transceiver unit (WTRU) receives information regarding an imminent Channel Occupancy Time (COT) and can use the received information to determine at least one resource for the operation of the WTRU during the COT. In one embodiment, a WTRU operating in a wireless network can transmit data on a first uplink carrier. It can trigger a switch from the first uplink carrier to a second uplink carrier based on at least one condition of the network and transmit data on the second uplink carrier.

An information reporting method and apparatus, and a device and a storage medium, which relate to the technical field of communications. The method comprises: a first terminal device sending first information to a network device, wherein the first information is used for reporting a first transmission resource and / or a second transmission resource, the first transmission resource is a transmission resource determined on the basis of first sidelink (SL) control information, the second transmission resource is a transmission resource determined on the basis of second SL control information, and the first SL control information and the second SL control information are SL control information in two different communication systems (810). A terminal device reports to a network device a transmission resource determined on the basis of SL control information, such that the network device can make a decision on the basis of the transmission resource, such as scheduling a transmission resource used for uplink (UL) transmission, thereby avoiding resource conflicts and increasing spectrum utilization in scenarios that support dynamic spectrum sharing between a UL and an SL.

Apparatuses, methods, and systems are disclosed for counter handling in case of listen-before-talk (LBT) failure. One method includes performing an LBT procedure for a transmission with shared spectrum channel access; detecting LBT failure for the transmission; determining whether a consistent LBT failure recovery functionality is supported at the UE; and indicating an LBT success to a medium access control (MAC) entity of the UE without performing a corresponding uplink transmission in response to the LBT failure and in response to a determination that consistent LBT failure recovery functionality is not supported.

System and Methods for configuring shared spectrum cellular systems with Physical Resource Block Blanking and related operations for the control and data channels and reference signals within the carrier channel bandwidth. The systems are configured for protection in the carrier bandwidth to avoid victim interference mitigation.

Various aspects of this disclosure relate to wireless communications, and more specifically to techniques for measurement and initial access for sharing spectrum among mobile network operators.

A method for operating a first device 100 in a wireless communication system is proposed, which may include the steps of: determining, on a shared spectrum, a first RB set including a first device-to-device physical feedback channel transmission having a smallest associated device-to-device communication priority value among a plurality of first scheduled device-to-device physical feedback channel transmissions; and performing a simultaneous device-to-device physical feedback channel transmission for at least one second scheduled device-to-device physical feedback channel transmission among the plurality of first scheduled device-to-device physical feedback channel transmissions based on the first RB set and at least one first RB set adjacent to the first RB set.

A method, a device, and a non-transitory computer-readable storage medium are described in relation to a spectrum sharing between terrestrial and non-terrestrial networks service. The spectrum sharing between terrestrial and non-terrestrial networks service may intelligently manage radios of radio access network devices based on the coverage areas of non-terrestrial network devices and their shared frequency spectrum. The service may disable and enable the radios associated with the shared frequency spectrum based on time periods and coverage area factors. For example, the disablement may include the turning off the radios and the enablement may include the turning on of the radios.

The present technology allows for the use of shared licensed and unlicensed spectrum to coordinate channels of private wireless networks. Wireless network operators in an enterprise location register to participate in a consortium and register licensed, shared, and unlicensed spectrum resources to share with other members of the consortium. The wireless network operators request spectrum resources from the consortium. The consortium generates a radio resource management ("RRM") plan for shared use of the licensed, shared, and unlicensed spectrum resources. The consortium combines the licensed, shared, and unlicensed spectrum allocated to each wireless network operator to meet a target RRM plan. The consortium monitors spectrum utilization to dynamically update the RRM. The consortium monitors spectrum utilization in real-time to determine how well the RRM plan matches the resources allocated to each wireless network operator.

A first wireless device selects, from a candidate resource set in a first resource pool, a sidelink grant indicating a set of resources for one or more sidelink transmissions. The first wireless device determines a listen-before-talk (LBT) failure for a first resource of the set of resources before performing the one or more sidelink transmissions via the first resource. The first wireless device removes, based on the LBT failure of the first resource and from the sidelink grant, the first resource. The first wireless device selects, based on the LBT failure of the first resource and for the one or more sidelink transmissions, a second resource other than the first resource. The first wireless device replaces, based on the LBT failure of the first resource and for the sidelink grant, the first resource with the second resource.

The embodiments of the present disclosure relate to a resource identification method, a communication device and a communication system. The resource identification method is applied to an access point device (AP). The method comprises: determining a first radio frame, wherein the first radio frame comprises first identification information, the first identification information identifies transmission resource information allocated to a station device (STA), and when a transmission resource allocated by an AP to the STA comprises a distributed resource unit (dRU), the first identification information identifies a distribution type of the dRU allocated to the STA; and sending the first radio frame. Therefore, a plurality of user equipments can share a spectrum resource within the same time period, thereby improving a network throughput and a transmission distance. Moreover, when a transmission resource allocated by an AP to a STA comprises a dRU, first identification information identifies a distribution type of the dRU allocated to the STA, thereby defining the distribution type of the dRU.

Methods, systems, and devices for wireless communications are described, in which devices may operate in a frame based equipment (FBE) mode for sidelink communications. One or more fixed frame period (FFP) configurations may be used by different sidelink devices, and a first device (e.g., a first user equipment UE) ) may transmit to one or more other devices an indication of a FFP configuration for sidelink communications. The FFP configuration may include an idle period configuration that is coordinated across multiple devices for initiation of a channel access procedure. Alternatively different sidelink devices may have different FFP configurations, and a joint pattern may be provided for performing the channel access procedure at each of the sidelink devices.

Provided is a process, including receiving, from a spectrum access system (SAS), an authorization to transmit on a radio spectrum band, wherein the radio spectrum band comprises frequencies between 3550 MHz and 3700 MHz, does not comprise frequencies lower than 3550 MHz, and does not comprise frequencies greater than 3700 MHz; and based on the authorization, instructing a plurality of radio access network (RAN) nodes to transmit communications on the radio spectrum band.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first network node may receive, from a second network node, policy information associated with shared spectrum. The first network node may send, to a third network node, configuration information that indicates one or more parameters for one or more of a distributed unit (DU) or a radio unit (RU) associated with the disaggregated network architecture in accordance with the policy information associated with the shared spectrum. Numerous other aspects are described.