147 results about "Cellular communication systems" patented technology

A cellular communication system supports a Network Relay Function (140) for managing the indirect connections. A mobile device (110) may send a request message to a relay device (120), the request message including a relay service code (associated with a set of privacy sensitive PDU session parameters). The relay device receives the request message and sends a transfer request message to the cellular communication system indicating a request to transfer data via an indirect connection and including the requested relay service code. The Network Relay Function receives the transfer request message, determines a different relay service code to be used instead of the requested relay service code; and sends a transfer response message including the different relay service code in an encrypted manner that allows it to be decrypted by the mobile device, but not the relay device; and forwarding by the relay device the encrypted different relay service code to the mobile device in a response to the request message.

Systems and methods are disclosed herein for Quality of Experience (QoE) measurements handling at overload in a Radio Access Network (RAN) of a cellular communications system. In one embodiment, a method performed by a first RAN node for handling QoE measurement configuration and / or reporting during RAN overload comprises performing one or more actions related to one or more aspects of QoE measurement configuration, QoE measurement reporting, or both QoE measurement configuration and QoE measurement reporting that mitigate an RAN overload condition. In one embodiment, performing the one or more actions comprises performing one or more actions related to transfer of one or more aspects of QoE measurement configuration from the first RAN node to a second RAN node, transfer of one or more aspects of QoE measurement reporting from the first RAN node to the second RAN node, or both.

A communication control method is used in a cellular communication system. The communication control method includes receiving, by a communication apparatus, from a relay node, a failure occurrence notification indicating occurrence of a failure in a backhaul link between the relay node and a parent node of the relay node, and starting, by the communication apparatus, a timer defining a time to wait for recovery from the failure in response to receiving the failure occurrence notification.

A wireless terminal of a cellular telecommunication system communicates with a first cell served by a mobile base station relay. The wireless terminal comprises receiver circuitry and processor circuitry. The receiver circuitry is configured to receive, from the first cell, a reconfiguration message comprising second cell information including a cell identity and an operating frequency of a second cell and an indication indicating whether or not the first cell will be replaced by the second cell. The processor circuitry is configured to: (1) perform, based on the reconfiguration message, a handover procedure to handover to the second cell, and (2) perform a cell selection procedure in a case that the handover procedure fails. During the cell selection procedure, the first cell is not considered as a candidate in a case that the indication indicates that the first cell will be replaced by the second cell.

A cellular base station (BS) which determines an aperiodic sounding reference signal (SRS) triggering offset configuration specifying an offset between an aperiodic SRS trigger received by a user equipment (UE) and transmission of the SRS by the UE. The cellular base station may determine that the SRS triggering offset should be adjusted. In response, the cellular base station may transmit signaling to the UE specifying a new value for the aperiodic SRS triggering offset. The new SRS triggering offset value may be partly based on a minimum timing offset for the UE and may be contained in a medium access control (MAC) control element (CE) or in downlink control information (DCI). Additionally, the new triggering offset value may be applicable for a plurality of component carriers or bandwidth parts. The cellular base station may also determine a new triggering offset value due to conflicts regarding the AP-SRS transmission.

An access point device and a cellular communications system can support one or more location identifier features such that the cellular communications system can provide the access point device with one or more location parameters. The location parameters are indicative of a location of the access point device. The access point device can use the one or more location parameters to determine a location of the access point device. By knowing a location of the access point device, the access point device can determine a location for each client device connected to the access point device. In this way, a more accurate location can be determined by the access point device such that the location of any one or more client devices connected to the access point device can be provided so as to, for example, conserve resources and improve quality of service.

A cellular base station (BS) which transmits more flexible downlink control information (DCI) to the UE, and a UE capable of receiving and processing a received DCI message. The DCI message may have a DCI format of 0_1 or 0_2 and further may comprise an UL-SCH set to 0, a CSI request field of all 0s and an SRS request field having a nonzero value. The DCI message may indicate to the UE that the UE should: 1) transmit an aperiodic SRS corresponding to SRS request; and 2) that the UE should not transmit on the PUSCH. The DCI may include existing fields that specify either a slot offset or beam information useable when transmitting the aperiodic SRS. The base station may also generate a DCI message with an SRS trigger that is targeted to a plurality of UEs in a group, or a plurality of groups of UEs, for greater efficiency.

In an aspect, a network device may transmit one or more first sets of first chirp signals in a first bandwidth assigned to an allocated frequency range of the network device for data communication and sensing signals. The network device may transmit one or more second sets of second chirp signals in a second bandwidth of the allocated frequency range, wherein the second bandwidth is greater than the first bandwidth.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Apparatuses and methods for a sounding reference signal design and signaling in cellular communication systems. A method of a UE in a wireless communication system includes: receiving, from a base station (BS), a radio resource control (RRC) signal including first RRC parameters; identifying, based on the first RRC parameters, an aggregation flag indicating whether to enable sounding reference signal (SRS) slot aggregation; receiving the RRC signal including second RRC parameters indicating an SRS hopping pattern based on a determination that the SRS slot aggregation is enabled; performing, based on the SRS hopping pattern, the SRS slot aggregation to generate a super slot; and transmitting, to the BS, an SRS based on the super slot.

A wireless terminal of a cellular telecommunication system communicates with an access node via a cell and comprises receiver circuitry and processor circuitry. The receiver circuitry is configured to receive, from the cell, serving cell mobility information. The processor circuitry configured to determine, based on the serving cell mobility information, mobility state of the cell.

This communication device of a cellular communication system transmits, to another communication device, a Radio Link Control (RLC) Protocol Data Unit (PDU) which includes a Packet Data Convergence Protocol (PDCP) Service Data Unit (SDU). After the RLC PDU is transmitted, the communication device performs control so as to use a first setting value for increasing the transmission frequency of a STATUS PDU on the basis of the fact that the remaining time of a PDCP discard Timer activated for the PDCP SDU included in the RLC PDU falls below a prescribed threshold, and so as to use a second setting value at which the transmission frequency of the STATUS PDU becomes lower than the first setting value on the basis of the fact that the remaining time exceeds the prescribed threshold.

Systems and methods are disclosed herein that relate to obtaining and using Packet Detection Rules (PDRs) in a cellular communications system operating as virtual Ethernet bridge based on Ethernet forwarding information. In one embodiment, a method performed by a User Plane Function (UPF) for enabling a cellular communications system to operate as a virtual Ethernet bridge comprises obtaining a PDR for a Protocol Data Unit (PDU) session in a downlink direction in the cellular communications system. The PDU session is associated with an egress Ethernet port of the virtual Ethernet bridge for the downlink direction, the PDR maps Ethernet packets received at the UPF on an ingress Ethernet port(s) of the virtual Ethernet bridge to the PDU session associated with the egress Ethernet port of the virtual Ethernet bridge, and the PDR is derived from an Ethernet packet forwarding rule of the virtual Ethernet bridge.

Methods and apparatuses for voice over long-term evolution / voice over new radio (VoLTE / VoNR) performance for a cellular communication system. A method of operating a base station includes receiving, from a user equipment (UE), uplink (UL) signals; identifying, based on the UL signals, a first and second parameters; determining first and second UL power control parameters based on the first and second parameters, respectively; determining a first time period for the first UL power control parameter and a second time period for the second UL power control parameter, wherein the first time period is longer than the second time period; updating the first UL power control parameter based on the first time period and the second UL power control parameter based on the second time period; and transmitting, to the UE, the updated first and second UL power control parameters for an UL transmit power of the UE.

Aspects of the disclosure are directed to signaling associated with cellular positioning protocol for light-based positioning (LBP). In an aspect, a first entity receives, from a second entity, a request for location information of the UE, the request for location information defined and transferred using a positioning protocol for at least one of 4G, 5G or 6G cellular communication. The third entity transmits the light-based signal, and the first entity obtains at least one measurement of the light-based signal. The first entity transmits location information based on the at least one measurement to the second entity using the positioning protocol. Such aspects provide various technical advantages, such as improved position estimation of user equipments (UEs) of cellular communications systems via LBP.

Systems and methods are disclosed herein for activation of two or more Transmission Configuration Indication (TCI) states for a Physical Downlink Control Channel (PDCCH) in one or more Control Resource Sets (CORESETs) in a cellular communications system. In one embodiment, a method performed by a wireless communication device for activation of multiple TCI states for a PDCCH in one or more CORESETs in a cellular communications system comprises receiving, from a network node, signaling that activates NTCI TCI states for one or more CORESETs, wherein NTCI>1. In this manner, activation of two or more TCI states for PDCCH in one or more CORESETs is enabled.

A variety of transmission patterns are provided for the transmission of synchronization signals in an OFDM cellular communication system utilizing beam sweeping techniques. In the patterns, at least one OFDM symbol gap is provided between bursts of each synchronization signal to allow for switching between beams.

The embodiment of the invention provides a communication method and device, a storage medium and a program product. In the method, a first device of a first communication system sends a first signal to at least one second device of a second communication system. The first signal is used for time and frequency synchronization of the at least one second device and the first device. The first communication system comprises a cellular communication system, and the second communication system comprises a Wi-Fi communication system. Therefore, time and frequency synchronization between the Wi-Fi communication system and the cellular communication system can be realized, interference can be avoided, the quality of service (QoS) of the cellular system can be improved, and coexistence and intercommunication between the cellular communication system and the Wi-Fi system can be realized.

Apparatuses and methods for a sounding reference signal design and signaling in cellular communication systems. A method of a UE in a wireless communication system includes: receiving, from a base station (BS), a radio resource control (RRC) signal including first RRC parameters; identifying, based on the first RRC parameters, an aggregation flag indicating whether to enable sounding reference signal (SRS) slot aggregation; receiving the RRC signal including second RRC parameters indicating an SRS hopping pattern based on a determination that the SRS slot aggregation is enabled; performing, based on the SRS hopping pattern, the SRS slot aggregation to generate a super slot; and transmitting, to the BS, an SRS based on the super slot.

A radio-frequency circuit includes a filter circuit and a power amplifier circuit. The filter circuit includes a first pass band corresponding to a band of a cellular communication system and a second pass band corresponding to a band of a satellite communication system. The power amplifier is connected to the filter circuit. The second pass band is positioned between the first pass band and a third pass band corresponding to a band of a satellite navigation system, or the second pass band at least partially matches the first pass band.

A community wind turbine cellular system (CWTC system) is disclosed. The CWTC system is configured to provide community-based cellular communication, on a temporary or permanent basis. One or more turbine blades of the CWTC system are configured with an omni-directional radio frequency (RF) antenna suitable for receiving and transmitting mobile communication data to cellular devices. These omni-directional RF antenna have an uninterrupted wired connection that passes from the antenna to an antenna radio within the system's nacelle. More particularly, each RF antenna in a turbine blade is connected, via a wired connection, to a corresponding slip ring within the nacelle of the cellular wind turbine. Each slip ring is connected to the antenna radio via a wired connection. In this manner, each RF antenna maintains a wired connection to the antenna radio, even as the turbine blades are rotating.

Systems and methods are disclosed that relate to User Equipment (UE) trajectory prediction in a cellular communications system supporting Coverage and Capacity Optimizations (CCOs). In one embodiment, a method performed by a first Radio Access Network (RAN) node comprises sending, to a second RAN node, a cell or Synchronization Signal Block (SSB) beam based UE trajectory prediction for a UE. The method further comprises receiving, from the second RAN node as feedback to the UE trajectory prediction for the UE, UE trajectory measurements for the UE and information that indicates that the second RAN node was affected by one or more CCO-related events during a period of time during which the second RAN node made the UE trajectory measurements. In this manner, improved feedback for UE trajectory prediction is obtained.

In an aspect, a communication control method is used in a cellular communication system. The communication control method includes a step of receiving, by a user equipment, mobile-IAB cell type information indicating being a mobile IAB cell from the mobile IAB cell. The communication control method includes a step of performing, by the user equipment, either one of executing an inter-frequency cell reselection procedure by considering a frequency priority of a frequency used in the mobile IAB cell as the highest priority, or executing the inter-frequency cell reselection procedure by considering the frequency priority of the frequency used in the mobile IAB cell as the lowest priority.

A cellular communication system supports network slicing and has a network relay function (140) for managing the indirect connections. A mobile device (110) may send a request message to a relay device (120), the request message including a slice to access. A response message indicates available slice(s) and relay device(s). The device selects a slice and / or relay device in dependence of the response message. The relay device receives the request message and sends a transfer request message to the cellular communication system indicating a request to transfer data via an indirect connection and including the requested slice, and sends the response message. The network relay function receives the transfer request message, obtains relay capability data regarding relay device(s) capable of data transfer for available slice(s) in dependence of the requested slice; and sends a transfer response message including network relay information indicating the available relay device(s) that can serve as relay device for indirect communication with the requested network slice.

The embodiment of the invention provides a communication method and device, a computer readable storage medium and a computer program product. In the method, a first device of a first communication system receives indication information from a second device of the first communication system in a first transmission time block of the first communication system, and sends an uplink signal to the second device in a second transmission time block of the first communication system based on the indication information, wherein at least one transmission time block of a second communication system exists between the first transmission time block and the second transmission time block, the first communication system comprises a cellular communication system, and the second communication system comprises a non-cellular communication system. Therefore, in the embodiment of the invention, the scheduling indication with long timeout can be realized, the resources are effectively saved, the delay is reduced, the range of the scheduling indication is large, multiple scenes are supported, and the method and the device can be well applied to coexistence scenes of different communication systems.

The present disclosure relates to a communication method and system for converging a 5th generation (5G) communication system with a technology for Internet of Things (IoT) to support higher data rates beyond a 4th generation (4G) system. A method of a UE is provided. The method includes receiving, from a base station, configuration information including first information on a number of an additional demodulation reference signal (DMRS) symbol by higher layer signaling, receiving, from the base station, downlink control information (DCI) including second information on a time domain resource, identifying third information on a duration in symbols of a scheduled physical downlink shared channel (PDSCH) resource based on the second information, identifying a position of a DMRS symbol based on the first information and the third information, and receiving, from the base station, at least one DMRS based on the position of the DMRS symbol.

Aspects of the disclosure are directed to signaling associated with cellular positioning protocol for light-based positioning (LBP). In an aspect, a first entity receives, from a second entity, a request for location information of the UE, the request for location information defined and transferred using a positioning protocol for at least one of 4G, 5G or 6G cellular communication. The third entity transmits the light-based signal, and the first entity obtains at least one measurement of the light-based signal. The first entity transmits location information based on the at least one measurement to the second entity using the positioning protocol. Such aspects provide various technical advantages, such as improved position estimation of user equipments (UEs) of cellular communications systems via LBP.

A communication control method used in a cellular communication system includes determining, by a remote user equipment having sidelink connection with a relay user equipment, a network communication state between the remote user equipment and a cellular communication network, and performing, by the remote user equipment, control related to sidelink communication between the remote user equipment and the relay user equipment, based on the network communication state.

A communication control method for use in a cellular communication system. The communication control method comprises transmitting, by a relay user equipment having a capability to relay data for a remote user equipment, a message comprising information related to the relay user equipment, receiving, by the remote user equipment, the message, and performing, by the remote user equipment, a process for establishing a sidelink connection between the remote user equipment and the relay user equipment based on the message.