447 results about "Radio network temporary identifier" patented technology

A method for wireless communication performed by a user equipment (UE) includes transmitting, to a network node, a group of physical random access channel (PRACH) preambles. Each PRACH preamble may be transmitted during a respective PRACH occasion of a group of PRACH occasions. The method also includes receiving, from the network node via a downlink control channel, a downlink grant indicating downlink resources for receiving a random access response (RAR) based on transmitting the group of PRACH preambles. The downlink control channel may be scrambled based on a random access-radio network temporary identifier (RA-RNTI) associated with a single PRACH occasion of the group of PRACH occasions. The method still further includes receiving, from the network node via the downlink resources, the RAR based on receiving the downlink grant. The method also includes transmitting, to the network node, a random access message based on receiving the RAR.

Various embodiments herein provide techniques for multiple physical random access channel (PRACH) transmissions. For example, embodiments provide techniques to determine a random access response (RAR) window and / or a random access (RA)—radio network temporary identifier (RNTI) for multiple PRACH transmissions. Furthermore, embodiments relate to multiple PRACH transmissions triggered by physical downlink control channel (PDCCH) order. Other embodiments may be described and claimed.

Methods, systems, and devices for wireless communications are described. The techniques described herein relate to control signaling for multiple radio access technology (RAT) carrier aggregation. A user equipment (UE) receives downlink control information (DCI) for a first RAT (e.g., 5G) and / or a second RAT (e.g., 6G), in a downlink control channel of the first RAT. The UE determines whether the DCI is associated with the first RAT or the second RAT by monitoring different search spaces, different control resource sets (CORESETs), different radio network temporary identifiers (RNTIs), different DCI lengths, different indication fields of the DCI, different capability parameters, and / or wake-up signals, that are associated with the downlink control channel communicated via the first RAT. The UE 115 communicates via the second RAT based on receiving the DCI.

A beam indication method for a smart repeater, performed by a smart repeater, and including receiving downlink control information (DCI) scrambled by a preset radio network temporary identifier (RNTI), in which the DCI is at least used for indicating information of a beam to be used by the smart repeater. A beam indication method for a smart repeater, performed by a network device, includes: scrambling DCI by using a preset RNTI, in which the DCI is at least used for indicating information of a beam to be used by a smart repeater; and sending scrambled DCI to the smart repeater.

A system, method and apparatus for mobile communications is provided. A user equipment (UE) receives one or more messages that include configuration parameters indicating that one or more multicast broadcast services are associated illustratively with a first control resource set (CORESET) and a first bandwidth part (BWP). The messages also include one or more first radio network temporary identifiers (RNTIs) associated with the one or more multicast broadcast services. The UE then receives via the first CORESET or the first BWP downlink control information associated with the one or more first RNTIs. The UE then received one or more transport blocks associated with the one or more multicast broadcast services.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive downlink control information (DCI) associated with a DCI format for shared channel scheduling on a set of cells, wherein the DCI is associated with a cell radio network temporary identifier (C-RNTI) and a configured scheduling radio network temporary identifier (CS-RNTI). The UE may decode the DCI to identify a scheduling on the set of cells or to identify downlink feedback information (DFI) based at least in part on a determination of whether the C-RNTI or the CS-RNTI satisfies a cyclic redundancy check (CRC). Numerous other aspects are described.

Methods and apparatuses for determining and multiplexing acknowledgment information. A method for operating a user equipment includes receiving: information for first resources for physical uplink control channel (PUCCH) transmissions to provide hybrid automatic repeat request acknowledgement (HARQ-ACK) information in response to semi-persistently scheduled (SPS) physical downlink shared channel (PDSCH) receptions associated with a first radio network temporary identifier (RNTI) from a first set of RNTIs, and information for second resources for PUCCH transmissions to provide HARQ-ACK information in response to SPS PDSCH receptions associated with a second RNTI from a second set of RNTIs. The method further includes determining a first resource from the first resources for a first PUCCH to provide only: first HARQ-ACK information in response to first SPS PDSCH receptions associated with the first RNTI, and second HARQ-ACK information in response to second SPS PDSCH receptions associated with the second RNTI; and transmitting the first PUCCH.

Methods and apparatuses for multiple concurrent random access procedures. A method for operating a user equipment includes receiving first configuration for a random access (RA) procedure, initiating a first RA procedure on a cell based on the first configuration, and initiating a second RA procedure on the cell prior to completion of the first RA procedure. A method for a base station includes transmitting a first random access response (RAR) and a second RAR. The first RAR includes a first temporary cell radio network temporary identifier (TC-RNTI) and a first uplink grant. The second RAR includes a second TC-RNTI and a second uplink grant. The method further includes receiving a first PUSCH scheduled by the first uplink grant and a second PUSCH scheduled by the second uplink grant. The first PUSCH includes the first TC-RNTI. The second PUSCH includes only the first TC-RNTI or both the first and second TC-RNTIs.

Apparatuses and methods in a communication system are provided. A first radio resource connection, RRC, with a Radio Access Network, RAN, node is established (502) by a device, the connection having a first Radio Network Temporary Identifier and being associated with a first subscription identity. An RRC setup procedure for establishing a second RRC is performed (504), the connection being associated with a second subscription identity. During or after the RRC setup it is indicated to the RAN node that the device has an existing radio resource connection with the node. A second Radio Network Temporary Identifier associated with the second radio resource connection and an additional Radio Network Temporary Identifier common to the first and second radio resource connections are received (506) and the common Identifier is used (508) for communication with the RAN node.

Systems, methods, and instrumentalities are disclosed for reliable control signaling, for example, in New Radio (NR). A receiver in a wireless transmit / receive unit (WTRU) may receive one or more physical downlink control channel (PDCCH) transmissions comprising downlink control information (DCI). The WTRU may determine a transmission profile associated with an uplink control information (UCI). Based on the transmission profile, the WTRU may determine one or more transmission characteristics associated with the transmission of the UCI. The WTRU may transmit the UCI over a physical uplink control channel (PUCCH). The UCI may be transmitted using transmission characteristics determined by the WTRU. The WTRU may transmit the UCI based on at least one of a control resource set (CORESET), a search space, or a radio network temporary identifier (RNTI). The WTRU may determine a transmission profile differently based on what the UCI may comprise.

Embodiments of the present disclosure relate to multicast transmissions and receptions. According to some embodiments of the disclosure, a UE may: receive, from a base station (BS) in a first search space, a first downlink control information (DCI) for scheduling a first physical downlink shared channel (PDSCH) using a hybrid automatic repeat request (HARQ) process number, wherein a cyclic redundancy check (CRC) of the first DCI is scrambled by a first radio network temporary identifier (RNTI) specific to the UE and the first search space is configured specifically for multicast services; and determine that the first PDSCH carries a transport block (TB) associated with a multicast service.

Wireless communication is performed by: receiving downlink control information including by a user equipment in an inactive state, a cyclic redundancy check scrambled by a radio network with at least one base-station with paging-Radio Network Temporary Identifier at least one user equipment, user equipment monitors paging message in inactive state and uses paging-Radio Network Temporary Identifier to decode reception of paging message, wherein the user equipment receives more than one random-access channel resources from the network and the indication of Small Data transmission and user equipment selects the random-access channel resources.

Example embodiments of the present disclosure relate to methods, devices, apparatuses and computer readable storage medium for Random Access Channel (RACH) occasion (RO) dropping. In a method, a device determines a set of valid random access channel occasions (ROs) for a physical random access channel (PRACH) transmission with preamble repetitions. The device determines that the PRACH transmission is to be dropped in at least one RO of the set of valid ROs. The device determines one or more ROs of the set of valid ROs for calculation of a random access radio network temporary identifier (RA-RNTI), the one or more ROs for calculation of the RA-RNTI are not conditioned to whether the corresponding PRACH transmission over the one or more ROs is to be dropped. Then the device calculates the RA-RNTI based on the determined one or more ROs of the set of valid ROs.

Methods and apparatuses for multiplexing unicast and multicast control information. A method for providing hybrid automatic repeat request acknowledgement (HARQ-ACK) information includes receiving a downlink control information (DCI) format scheduling transmission of a physical uplink shared channel (PUSCH). The DCI format includes one or more first downlink assignment indicator (DAI) bits associated with first HARQ-ACK information and one or more second DAI bits associated with second HARQ-ACK information. The method further includes determining the first HARQ-ACK information based on a value of the one or more first DAI bits and the second HARQ-ACK information based on a value of the one or more second DAI bits. The first HARQ-ACK information is associated with a first set of radio network temporary identifiers (RNTIs), and the second HARQ-ACK information is associated with a second set of RNTIs. The method further includes transmitting the PUSCH, which includes the first and second HARQ-ACK information.

According to an embodiment of the present disclosure, a user equipment (UE) may receive information regarding a plurality of radio network temporary identifiers (RNTIs); monitor a plurality of physical downlink control channels (PDCCHs) in search space sets based on the plurality of RNTIs; receive a plurality of physical downlink shared channels (PDSCHs) scheduled by the plurality of PDSCHs; and transmit a single hybrid automatic repeat request (HARQ)-acknowledgment (ACK) report for the plurality of PDSCHs, wherein the plurality of PDSCH may include at least one unicast PDSCH in addition to the multicast PDSCHs.

Systems, methods, and instrumentalities are disclosed for reliable control signaling, for example, in New Radio (NR). A receiver in a wireless transmit / receive unit (WTRU) may receive one or more physical downlink control channel (PDCCH) transmissions comprising downlink control information (DCI). The WTRU may determine a transmission profile associated with an uplink control information (UCI). Based on the transmission profile, the WTRU may determine one or more transmission characteristics associated with the transmission of the UCI. The WTRU may transmit the UCI over a physical uplink control channel (PUCCH). The UCI may be transmitted using transmission characteristics determined by the WTRU. The WTRU may transmit the UCI based on at least one of a control resource set (CORESET), a search space, or a radio network temporary identifier (RNTI). The WTRU may determine a transmission profile differently based on what the UCI may comprise.

To perform channel monitoring, a user equipment monitors (1104) a physical downlink control channel (PDCCH) using a radio network temporary identifier (RNTI), during a small data transmission (SDT) procedure and when the UE operates in an inactive state (1102). The UE transitions from the inactive state to a connected state in response to a command from a radio access network (RAN) (1110); and monitors (1110) the downlink control channel using the RNTI after the transitioning, when the UE operates in the connected state.

A transceiving method includes the following steps. A receiving end receives a DRX command. A group-radio network temporary identifier scrambles a physical downlink control channel scheduling the DRX command. The receiving end uses a DRX cycle corresponding to the group-radio network temporary identifier for a multicast session corresponding to the group-radio network temporary identifier.

A method for handling a Mobile Terminating (MT) Small Data Transmission (SDT) from a network node to a user equipment (UE) in a wireless communications network. The UE receives a Downlink Control Information (DCI) from the network node. The DCI is identified when monitoring a Physical Downlink Control Channel (PDCCH) by means of a Cell-Radio Network Temporary Identifier (C-RNTI). The DCI indicates scheduled Downlink (DL) data related to the SDT. Further, the DCI is received when the UE has entered into an inactive mode. When the DCI has been received, the UE resumes the radio resources configured for a Configured Grant based SDT (CG-SDT) in the UE context, derives a new security key based on a security key present in the UE context, and when receiving the scheduled DL data related to the MT-SDT from the network node, the UE decrypts the DL data by means of the new security key.

A method of wireless communication comprises receiving downlink control information by a user equipment in an inactive state. The downlink control information comprises a cyclic redundancy check scrambled by a radio network with at least one base-station with paging-Radio Network Temporary Identifier. The user equipment monitors paging message in inactive state and uses paging-Radio Network Temporary Identifier to decode reception of paging message, wherein the user equipment receives indication of small data transmission and identifier from radio network with at least one base-station.

The invention discloses an LTE (Long Term Evolution) terminal blind detection and positioning method and system, mainly relates to the technical field of terminal blind detection, and is used for solving the problems of many false RNTIs (Radio Network Temporary Identifiers) identified, large calculation amount and long system processing time in the existing scheme. Comprising the following steps: carrying out PDCCH demodulation by using downlink baseband data, and splitting an effective CCE set into a public space CCE set and a user space CCE set; traversing the CCEs in the CCE set of the public space and the user space, respectively analyzing effective RNTIs (Radio Network Temporary Identity) and corresponding DCIs (Downlink Control Information), and storing the DCIs and the RNTIs into an RNTI-COMMON list and an RNTI-UE list; obtaining an uplink RNTI, a downlink RNTI and Prb resources of the effective RNTI, and calculating local DMRS sequence data; the uplink DMRS sequence data is calculated; calculating a maximum correlation value of the local DMRS sequence data and the uplink DMRS sequence data in a preset sliding window, and taking the maximum correlation value as an energy value; and performing target positioning by using the energy value.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a network node, a semi-persistent scheduling (SPS) configuration for downlink data reception in an inactive state. The UE may receive, from the network node and while operating in the inactive state, a physical downlink control channel (PDCCH) communication that activates an SPS resource in accordance with the SPS configuration for downlink data reception in the inactive state, wherein the PDCCH communication is associated with a configured scheduling radio network temporary identifier (CS-RNTI). The UE may receive, from the network node and while operating in the inactive state, one or more transmissions of downlink data via the SPS resource. Numerous other aspects are described.

A base station may operate in a context where the propagation delay between the base station and user equipment (UE) devices is large. The base station configures UE devices with a common delay. The base station receives a random access preamble from a UE device. The base station determines a time slot in which the random access preamble was transmitted, based on a configured correspondence between allowable time slots and subsets of an available set of preambles. The base station computes a Random Access Radio Network Temporary Identifier (RA-RNTI) based on parameter values including an index, of the determined time slot. The base station employs the computed RA-RNTI to address a random access response for the UE device.

A communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT) is provided. The communication method and system include intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method includes transmitting a random access preamble on a physical random access channel (PRACH) transmission occasion from a base station, identifying a random access radio network temporary identifier (RA-RNTI) for receiving random access response (RAR) information based on a time related parameter, a frequency related parameter and an uplink carrier related parameter, and receiving scheduling assignment information scheduling a physical downlink shared channel (PDSCH) on a physical downlink control channel (PDCCH) based on the identified RA-RNTI from the base station.

Systems and methods for signaling of traffic flow information for Discontinuous Reception (DRX) configuration are provided. A method of operating a UE for determining a flow type includes: receiving a configuration of flow identify information with an association between one or more of: Downlink Control Information (DCIs); Radio Network Temporary Identifier (RNTIs); a combination of fields; with one or more DRX configurations; monitoring a Physical Downlink Control Channel (PDCCH) in DRX Active Time; in response to receiving a PDCCH with DCI indication of a flow type, identifying the DRX configuration k associated to the DCI indication; and starting or restarting a corresponding timer in the next symbol after PDCCH reception. In this way, signaling for a flow type, DRX configuration, or DRX parameter value indication from a gNB to a UE can be provided, in order to optimize multiple DRX cycle configurations per Serving Cell, where one or more of the configurations are active simultaneously.

A base station (BS) and a method for system information (SI) modification procedure are provided. The method includes transmitting, to a user equipment (UE), downlink control information (DCI) with a cyclic redundancy check (CRC) scrambled by a paging radio network temporary identifier (P-RNTI), the DCI including an SI modification bit and a public warning system (PWS) notification bit. The DCI enables the UE to perform an SI acquisition procedure in a case that the SI modification bit is set. The DCI enables the UE to acquire at least one of an earthquake and tsunami warning system (ETWS) notification and a commercial mobile alert system (CMAS) notification immediately after the UE determines that the PWS notification bit is set.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a broadcast or a multicast (broadcast / multicast) scheduling configuration for a physical downlink control channel (PDCCH), the broadcast / multicast scheduling configuration identifying, for receiving broadcast / multicast communications, at least one of: a plurality of radio network temporary identifiers that are respectively associated with a plurality of beams, or one or more bandwidth parts. The UE may receive a broadcast / multicast communication associated with a broadcast / multicast control channel or a broadcast / multicast traffic channel via a physical downlink shared channel in accordance with the broadcast / multicast scheduling configuration for the PDCCH. Numerous other aspects are provided.

A user equipment (UE) includes a processor. The processor is configured to segment a paging identity of the UE into a plurality of paging identity segments including at least a first paging identity segment and a second paging identity segment; determine a paging frame (PF) based on the first paging identity segment; and determine, based on the second paging identity segment, a paging occasion (PO) of the PF. The UE also includes a transceiver operatively coupled to the processor. The transceiver is configured to receive, in one of the determined PO or a paging early indication-occasion (PEI-O), a first physical download control channel (PDCCH) transmission including first downlink control information (DCI) addressed to a paging-radio network temporary identifier (P-RNTI).

A wireless device consecutively transmits a plurality of preambles at different times. After transmitting a first preamble in the plurality of preambles and at least until a transmission of a last preamble in the plurality of preambles, a control channel is monitored for a plurality of random access responses (RARs) identified by random access radio network temporary identifiers (RA-RNTIs). Each of the RA-RNTIs corresponds to one of the transmitted preambles. A packet based on receiving a first RAR of the RARs is transmitted.

In an aspect, a UE and BS perform a RACH procedure whereby a preamble sequence group for a preamble is associated with a downlink receive capability of the UE. In another aspect, a UE and BS perform a RACH procedure whereby a preamble sequence group is associated with a group-specific RA-RNTI that is used to scramble an associated DCI communication. In another aspect, UEs performing a RACH procedure with a BS via different sets of ROs may monitor the same GC-DCI scrambled with a common RA-RNTI. In another aspect, a UE and BS perform a 2-Step RACH procedure whereby a Msg-A payload includes information indicative of a downlink receive capability level associated with the UE.