133 results about "Shared spectrum" patented technology

A user equipment (UE) may transmit a configured-grant uplink control information (CG-UCI) to a base station during a channel occupancy time (COT) initiated by the UE in a shared spectrum, the CG-UCI comprising COT sharing information, the COT sharing information indicating, at least, an index value corresponding to a combination of: an indication of an offset to a beginning of a downlink transmission opportunity during the COT; an indication of a duration of the downlink transmission opportunity during the COT; and an indication of a channel access priority class (CAPC) value used by the UE to initiate the COT. The base station may transmit a downlink transmission to the UE within the downlink transmission opportunity and in accordance with the COT sharing information in the transmitted CG-UCI. Apparatuses are also disclosed.

Automated communication channel selection is provided. A method, system, and computer readable storage device automatically perform a discovery process of a MoCA® network, to determine a topology of the network, perform a spectrum analysis of a DOCSIS® network of which a portion of the frequency range may be shared, apply one or more business rules to the collected network and spectrum usage data, and determine an optimized channel configuration for transmitting data to end devices in a local network. For example, the channel configuration may be configured for optimal bandwidth allocation, transmission speeds, signal quality, etc., without interferences within the shared frequency spectrum range. A gateway device may include a filter that can be reconfigured as an all-pass filter or as a variable low-pass filter based on the channel configuration determination. The MoCA® network may be reconfigured to operate within a defined frequency range based on the determined channel configuration.

Apparatuses and methods related to coexistence of wireless systems in shared spectrum in a wireless communication system. A method for a user equipment (UE) includes receiving a master information block (MIB) that indicates a control resource set (CORESET) for receptions of physical downlink control channels (PDCCHs), receiving a first PDCCH in the CORESET, and receiving a second PDCCH in the CORESET. The first and second PDCCHs provide a first and second downlink control information (DCI) formats, respectively, that schedule reception of first and second physical downlink shared channel (PDSCHs), respectively. The method further includes determining to receive the first PDSCH when the UE operates according to a first radio access technology (RAT) or to receive the second PDSCH when the UE operates according to a second RAT and receiving the first PDSCH or the second PDSCH.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Apparatuses and methods related to a reuse-based coexistence in shared spectrum in a wireless communication system. A method for a user equipment (UE) includes receiving a physical broadcast channel (PBCH) associated with a first radio access technology (RAT) and a second RAT; identifying whether the UE is associated with the first RAT and the second RAT; in case that the UE is associated with a first RAT, determining first information based on a master information block (MIB) on the PBCH and receiving a first system information block (SIB) based on the first information; and in case that the UE is associated with a second RAT, determining second information based on the MIB on the PBCH and receiving a second SIB based on the second information.

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.

Provided are a power control method and terminal devices. The method comprises: a terminal device determining transmit power of a first sidelink signal in shared spectrum based onfollowing information: first transmit power, determined based on a power limit; second transmit power, determined based on a maximum transmit power of the terminal device; and fourth transmit power, determined based on a downlink path loss or the second transmit power.

Apparatuses, methods, and systems are disclosed for increasing the transmission reliability for transmissions of a duplication bearer in a shared or unlicensed spectrum. A UE apparatus for a mobile network (“NW”) includes a transceiver that initiates a listen before talk procedure (“LBT”) on shared spectrum, for transmission of a medium access control (“MAC”) protocol data unit (“PDU”) containing an original packet data convergence protocol (“PDCP”) PDU of a data radio bearer (“DRB”) configured for PDCP duplication, wherein PDCP duplication is deactivated for the DRB. The apparatus includes a processor that determines whether the LBT failed or succeeded and selectively enables PDCP duplication for the DRB in response to determining that the PDCP PDU was not transmitted due to failure of the LBT.

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.

Apparatuses and methods related to a reuse-based coexistence in shared spectrum in a wireless communication system. A method for a user equipment (UE) includes receiving a downlink synchronization (DL-sync) that includes synchronization signals and a physical broadcast channel (PBCH) that provides a master information block (MIB). The method further includes determining first information based on the MIB when the UE is associated with a first radio access technology (RAT), or second information based on the MIB when the UE is associated with a second RAT. The method further includes receiving a first system information block (SIB) based on the first information when the UE is associated with the first RAT or a second SIB based on the second information when the UE is associated with the second RAT.

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.

A channel assessment method includes: performing channel assessment in a shared spectrum, and alternatively, determining a channel resource occupied in the shared spectrum according to an interference condition between communication systems.

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.

The invention provides a wireless communication method and terminal equipment. The method comprises: a terminal device determines to transmit first sideline data on a shared spectrum based on a first channel access mode and / or a second channel access mode, the first channel access mode being different from the second channel access mode, and the first sideline data being transmitted on the shared spectrum; the first channel access mode and the second channel access mode are channel access modes for monitoring the shared spectrum before the first sideline data is sent on the shared spectrum, and the possibility that the terminal equipment transmits the sideline data on the shared spectrum is improved.

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.

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.

The present application provides a method executed by a user equipment, and a user equipment. The method executed by a user equipment comprises: in one resource pool, performing a transmission resource selection or reselection check on one sidelink process, wherein the sidelink process is associated with one selected sidelink grant used for transmitting one or more media access control (MAC) protocol data units (PDUs); when the transmission resource selection or reselection check triggers transmission resource selection or reselection, selecting time and frequency resources used for one or more transmission opportunities, wherein when a physical sidelink feedback channel (PSFCH) is configured for the resource pool, it is ensured that a minimum time interval is satisfied between any two selected resources, wherein for a sidelink operation with shared spectrum channel access, the minimum time interval comprises a time interval between the end of the last symbol of PSSCH transmission in the first resource and the start of the first symbol of the corresponding last PSFCH reception occasion, and the PSFCH reception occasion is determined on the basis of higher-layer configuration of the resource pool.

The invention relates to an international mobile communication base station (IMT base station) configured to transmit a radio signal designed to be received by a wireless local area network access point (WLAN access point) in a telecommunications frequency band. The IMT base station is configured to transmit the radio signal in a defined channel assigned to a control channel of the WLAN access point. The radio signal includes information instructing the WLAN access point to leave a frequency block of the telecommunications frequency band that includes the defined channel. The IMT base station is operated such that the radio signal is transmitted in the telecommunications frequency band according to a preferred sampling channel (PSC) scheme.Furthermore, a method for operating an IMT base station, a WLAN access point, a shared spectrum system, and a method for operating a shared spectrum system are described.

When wireless communication is carried out on the basis of radio access technology (RAT) through a frequency band, time-frequency resources which are not occupied may exist on the frequency band. In some embodiments, time-frequency resources not occupied by first RAT-based wireless transmissions may be used for second RAT-based wireless transmissions. For example, a first RAT may wirelessly communicate over a first frequency band, while a second RAT may wirelessly communicate over a second frequency band. The first frequency band and the second frequency band may at least partially overlap in the frequency domain such that the second RAT-based wireless communications on the second frequency band may use time-frequency resources that are not occupied by the first RAT-based wireless transmissions on the first frequency band. In this way, time-frequency resources can be efficiently utilized through the shared spectrum.

The invention relates to the technical field of 5G communication modules, in particular to a safety emergency system based on a 5G communication module and a control method of the safety emergency system based on the 5G communication module, and the method comprises the following steps: a terminal communication module establishes signaling connection with an open wireless access network intelligent management and arrangement platform and a permission sharing access management platform after power-on self-test; acquiring an emergency network slice identifier and shared spectrum authorization information; activating a pre-configured emergency network slice in a public 5G network, and locking a specified shared frequency band resource through a permission sharing access management platform; according to the invention, through the dynamic cooperation of the 5G network slice and the licensed shared spectrum, the second-level activation of the private network resource and the locking of the shared frequency band are realized when the disaster is triggered, and the priority channel of the emergency flow is ensured; a mode of combining autonomous networking of a portable emergency small base station and macro network dual connection is adopted, and a pre-configured system information block is matched, so that a terminal can complete random access and slice binding within seconds, and field wireless coverage is quickly spread.

Interference on control channels using shared spectrum is managed by a base station without the use of centralized spectrum control device. A base station monitors a plurality of alternative control channels and measures received signal strength energy corresponding to each of the plurality of alternative candidate control channels. A received signal strength indicator (RSSI) is measured for each channel-beam combination. An average RSSI value is determined for each candidate control channel. A candidate control channel can be, and sometimes is, removed from further consideration for selection based on one or more RSSI based exclusion criteria. Among the remaining candidate control channels, a control channel with the lowest average RSSI is selected. The base station uses the selected control channel to transmit control information via wide control channel beams and uses one or more of the other channels to transmit data via narrow data channel beams.

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.

A method for operating a first device 100 in a wireless communication system is proposed, the method including the steps of: determining N PSFCH transmissions to transmit among the at least one PSFCH transmission based on a sum of powers for performing at least one PSFCH transmission on a shared spectrum being greater than a maximum transmit power of the first device, wherein a transmit power of a transmission on at least one first PRB in a first interlace is taken into account in a total transmit power associated with the plurality of PSFCH transmissions considered in determining the N PSFCH transmissions; and performing the N PSFCH transmissions.

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.

A communication method, comprising: a first communication device receives first indication information, and determines at least one frequency domain resource on the basis of the first indication information, a first frequency domain resource among the at least one frequency domain resource being used for the first communication device to receive first information and for a second communication device to receive second information, the first information being used for scheduling a time-frequency resource for the first communication device to transmit data, and the second information being used for scheduling a time-frequency resource for the second communication device to transmit data, wherein the first communication device supports a cellular communication protocol, and the second communication device supports a wireless local area network protocol; alternatively, the first communication device supports a wireless local area network communication protocol, and the second communication device supports a cellular communication protocol. Therefore, in a coexistent system, both a cellular device and a Wi-Fi device can determine, on the basis of the first indication information, the position where scheduling information is received, so that the cellular device and the Wi-Fi device share spectrum resources.

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.

The described techniques relate to improved methods, systems, devices, and apparatuses that support sidelink synchronization signal block (S-SSB) designs with wideband resource pool for data transmissions within a shared spectrum. For example, the described techniques provide for a user equipment (UE) to transmit one or more S-SSBs within one or more sub-band(s) of a slot such that the remaining bandwidth, including within the same slot as the S-SSB remain available in the resource pool for data communication. The techniques provided in the present disclosure allow for greater utilization of the bandwidth with minimal resource blocks that are omitted from utilization in the shared spectrum. Such implementation, therefore, maximizes the shared spectrum utilization.

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

A communication method, comprising: a first communication device generating a first signal, and sending the first signal to a second communication device on a first time-frequency resource, wherein the first communication device and the second communication device support different communication protocols. The first time-frequency resource comprises a first frequency domain resource, the bandwidth of the first frequency domain resource is an integer multiple of a first SCS, the bandwidth of the first frequency domain resource covers at least one second SCS, the first SCS corresponds to a first communication protocol, and the second SCS corresponds to a second communication protocol. When the first frequency domain resource satisfies the condition, subcarrier alignment respectively defined by the first communication protocol and the second communication protocol can be realized, such that inter-device signal transmission can be carried out in a scenario where devices supporting different standards share spectrum resources.

A network entity multiplexes a non-unicast transmission with a discovery burst in one or more slots within the discovery burst based on a distance from a slot that includes a discovery reference signal (DRS) and outputs for transmission a multiplexed discovery burst including the non-unicast transmission in a shared spectrum based on a listen before talk (LBT) relaxation.