167 results about "Radio network temporary identifier" patented technology

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.

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.

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.

A wireless device receives one or more configuration parameters indicating one or more radio network temporary identifiers (RNTIs) to monitor, via downlink control channels, during an active time of DRX operation. The wireless device selects, for transmission of a message-A of a random access procedure, one or more resources, where the message-A comprises a preamble and a payload and the payload comprises a C-RNTI. The wireless device starts a response window based on transmitting the preamble via at least one resource of the one or more resources. Based on dropping transmission of the payload and during the response window, the wireless device monitors the downlink control channels for a first RNTI, where the first RNTI is associated with a response to the preamble and determined based on the at least one resource, and does not monitor the downlink control channels for the one or more RNTIs.

An internet of things (IoT) non-terrestrial network (NTN) device user equipment (UE) is described. The UE includes receiving circuitry configured to receive configurations on orthogonal cover code (OCC) multiplexing support and OCC multiplexing factor for narrowband internet of things (NB-IoT) narrowband physical uplink shared channel (NPUSCH) in a higher layer signaling. The receiving circuitry is also configured to receive a separately configured orthogonal cover code radio network temporary identifier (OCC-RNTI) and / or a number of repetitions table for a repetition number field in downlink control information (DCI) format 0 and to receive a DCI format N0 for a NPUSCH transmission with an OCC index indication. The UE also includes transmitting circuitry configured to transmit an NPUSCH with OCC multiplexing with the provided OCC multiplexing factor and the indicated OCC index on a schedule resource.

Disclosed herein are an operating method of a first terminal in a wireless communication system and a device for supporting the method. According to an embodiment applicable to the present disclosure, the method may include performing, by the first terminal, a beam alignment with a second terminal and receiving, by the first terminal, downlink control information (DCI) associated with the second terminal from a base station. Herein, the DCI may be decoded based on at least one of a common radio network temporary identifier (RNTI), a sidelink-RNTI (SL-RNTI) of the second terminal, and a sidelink connection specific ID. In addition, the method may further include receiving, by the first terminal, a physical sidelink control channel (PSCCH) and a physical sidelink shared channel (PSSCH) from the second terminal based on the DCI.

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.

An internet of things (IoT) non-terrestrial network (NTN) device user equipment (UE) is described. The UE includes receiving circuitry configured to receive a separately configured orthogonal cover code radio network temporary identifier (OCC-RNTI) and / or a number of repetitions table for a repetition number field in downlink control information (DCI) format 0. The receiving circuitry may also be configured to receive a DCI format N0 for a narrowband physical uplink shared channel (NPUSCH) transmission with an OCC signaling including whether OCC is applied, and if OCC is applied, an OCC multiplexing factor and an OCC index. The UE also includes transmitting circuitry configured to transmit a NPUSCH with OCC multiplexing with the provided OCC multiplexing factor and the indicated OCC index on a schedule resource if OCC is indicated, or transmit an NPUSCH without OCC multiplexing on the schedule resource if OCC is not indicated.

An internet of things (IOT) non-terrestrial network (NTN) device user equipment (UE) is described. The UE includes receiving circuitry configured to receive configurations on orthogonal cover code (OCC) multiplexing support and OCC multiplexing factor for narrowband internet of things (NB-IOT) narrowband physical uplink shared channel (NPUSCH) in a higher layer signaling. The receiving circuitry is also configured to receive a separately configured orthogonal cover code radio network temporary identifier (OCC-RNTI) and / or a number of repetitions table for a repetition number field in downlink control information (DCI) format 0 and to receive a DCI format N0 for a NPUSCH transmission with an OCC index indication. The UE also includes transmitting circuitry configured to transmit an NPUSCH with OCC multiplexing with the provided OCC multiplexing factor and the indicated OCC index on a schedule resource.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a base station in a mobile communication system is provided. The method includes receiving a downlink (DL) data for a user equipment (UE), determining whether a volume of the DL data is less than a data volume threshold, and in case that the volume of the DL data is less than the data volume threshold, transmitting, to the UE, a paging message including an inactive radio network temporary identifier (I-RNTI) and a mobile terminated small data transmission (MT-SDT) indication.

A contention-based (CB) early data transmission (EDT) method for non-terrestrial network (NTN) communication is provided. A user equipment (UE) determines to perform contention-based message three (CB-Msg3) transmission to a base station through NTN communication when a measured reference signal received power (RSRP) is less than a first RSRP threshold associated with a first enhanced coverage level as a selected enhanced coverage level. The UE selects a next upcoming contention-based preconfigured uplink resource (CB-PUR) grouping unit associated with the selected enhanced coverage level. The UE randomly selects physical uplink shared channel (PUSCH) resources in a time domain within the CB-PUR grouping unit from CB-Msg3 resources associated with the selected enhanced coverage level. The UE monitors a physical downlink control channel (PDCCH) while a monitoring timer is running, for a contention resolution message identified by a contention-based radio network temporary identifier (CB-RNTI). The contention resolution message comprises UE contention resolution identities.

A method and apparatus for performing sidelink communications in a wireless transmit receive unit (WTRU) using Long Term Evolution (LTE) and New Radio (NR) technologies is described herein. A WTRU receives a downlink control information (DCI) on a physical downlink control channel (PDCCH) transmission from a base station, where the DCI is associated with a cyclic redundancy check (CRC) that is scrambled using a radio network temporary identifier (RNTI). The WTRU determines that the DCI indicates resources for a LTE sidelink transmission when the CRC is scrambled using a sidelink semi-persistent scheduling V-RNTI, and determines the DCI indicates resources for a new radio (NR) sidelink transmission when the CRC is scrambled using a sidelink (SL)-RNTI. The WTRU transmits SL data using the resources indicated by the determined DCI. Additional embodiments are disclosed.

Methods, systems, and devices for wireless communications are described that provide for random access techniques for low duty-cycle time division duplexing (TDD) communications. Random access preamble transmissions may use transmission resources associated with one or more preamble repetition units (PRUs), where a PRU may at least partially overlap with transmission resources that are not valid for a transmission. In such cases, all or a portion of the random access transmissions of the PRU may be postponed to a next valid uplink communication resource. Postponement of random access transmissions may be performed at a symbol-group level for symbol groups within a PRU, or at a PRU level. Further, radio network temporary identifiers (RNTIs) associated with random access transmissions may be identified based on a system frame associated with an initial transmission occasion of the random access transmission, or the postponed transmission occasion.

Methods, systems, and devices for wireless communication are described. A user equipment (UE) can transmit an uplink message including user data and an identifier associated with a contention resolution for the UE. The UE can receive a downlink control information (DCI) message in response to the uplink message. In some examples, at least a portion of the DCI message can be scrambled according to a radio network temporary identifier (RNTI) associated with the UE. For example, the RNTI can be a first RNTI based on the identifier included in the uplink message, which can indicate that the DCI message is associated with contention resolution. In some cases, the RNTI can be a subset of the identifier, and a remaining subset of the identifier can be included in a payload of the DCI message. In some other examples, the RNTI can be a second RNTI associated with a non-contention resolution procedure.

One aspect of this disclosure relates to a terminal comprising: a transmitting unit that, upon detecting a beam failure, transmits a random access preamble in a cell; and a control unit that, upon detecting that, in the event that a Medium Access Control Element (MAC CE) for beam failure recovery is transmitted in message 3 or message A of a contention-based random access procedure corresponding to the random access preamble, and after a specific period following the detection of the last symbol received by the initial downlink control channel having a cyclic redundancy check (CRC) scrambled by a Cell Radio Network Temporary Identifier (C-RNTI) and containing downlink control information in a format that grants uplink permission for new transmission, and until the reception of specific information related to the transmission configuration indication state (TCI state) of the downlink control channel, for monitoring the downlink control channel in a certain control resource set, envisions quasi-co-address parameters of antenna ports that are identical to the quasi-co-address parameters of antenna ports associated with the index of the reference signal corresponding to the random access preamble. According to one method of this disclosure, the beam can be appropriately updated in association with the BFR.

Various aspects of the present disclosure generally relate to wireless communication. Some aspects more specifically relate to inter-user-equipment (inter-UE) interference cancellation (IC) for physical downlink control channel (PDCCH) multi-user multiple-input multiple-output (MU-MIMO). In some aspects, a user equipment (UE) may be configured with an indication of cell radio network temporary identifiers (C-RNTIs) and / or scrambling code identities of respective candidate UEs that use the same or overlapping control-channel elements (CCEs) as the UE. In some aspects, the UE may perform the inter-UE IC by decoding a PDCCH communication targeted for one or more of the candidate UEs and subtracting the decoded PDCCH communication from at least a part of a PDCCH MU-MIMO communication such that the remaining signal includes data targeted for the UE.

Systems and methods for a cell-less wireless communication architecture are described. In some embodiments, a user equipment (UE) receives, from a transmit receive point (TRP) of a radio access network (RAN), a full cell radio network temporary identifier (C-RNTI) identifying the UE within the RAN and also a shortened C-RNTI identifying the UE within the RAN. A use case for each of a full C-RNTI and a shortened C-RNTI is described. In some embodiments, a UE receives a first synchronization signal from a master TRP of a RAN and system information including a PRACH configuration for a first assistant TRP of the RAN; receiving a synchronization signal from the first assistant TRP; identifying a PRACH configuration for the first assistant TRP from the system information received from the master TRP; and performing a RACH procedure with the first assistant TRP using the PRACH configuration for the first assistant TRP.

The present invention discloses a communication method and an apparatus. One example method includes: sending feedback information of a first data packet of a first multicast service; receiving discontinuous reception (DRX) configuration information corresponding to a first unicast service, the DRX configuration information corresponding to the first unicast service comprises duration of a second downlink hybrid automatic repeat request round trip time timer (HARQ RTT) timer and duration of a second downlink DRX retransmission timer, a data packet of the first unicast service is scrambled by cell radio network temporary identifier (C-RNTI); starting the second downlink HARQ RTT timer at a first moment after an end of sending the feedback information; and receiving based on the first unicast service scheduling information by the C-RNTI.

The invention relates to the technical field of wireless communication, and particularly provides an information transmission method and device, electronic equipment and a computer program product. The method comprises: sending a random access response message to a terminal device, a cyclic redundancy check (CRC) of a physical downlink control channel (PDCCH) for scheduling the random access response message being scrambled by a first type radio network temporary identifier (RNTI) or a second type RNTI, the type of the terminal device comprising: a first type terminal device and / or a second type terminal device, the first type of terminal equipment corresponds to the first type of RNTI and / or the second type of RNTI, and the second type of terminal equipment corresponds to the second type of RNTI. According to the method and the device, the CRC is scrambled through the first type of RNTI or the second type of RNTI, different random access responses RARs are distinguished in a sub-band non-overlapping full-duplex SBFD system when the random access resource or opportunity RO index selected by the SBFD terminal and the non-SBFD terminal in the same time slot is the same as the preamble index, and then different optimal scheduling can be carried out on the SBFD terminal and the non-SBFD terminal.

A method is disclosed of providing user equipment (UE) mobility context creation in 4G and 5G systems, comprising: downloading, by a non-real time (non-RT) Radio Intelligent Controller (RIC), a policy to connected centralized units (CUs) that whenever a User Equipment (UE) attaches to a CU and the UE's location changes, the Non-RT RIC be updated about UE's mobility; allocating, by the Non RT RIC, a fresh UE identifier (ID) and creating a context with parameters including Current Location, UE ID allotted by RIC, Current cell radio network temporary identifier (C-RNTI), and cell information; sending the fresh UE ID to the CU that the CU maintains as part of the UE context information; determining whenever the UE moves within the CU served distributed units (DUs), and updating the Non-RT RIC about UEs mobility.

A method and device for wireless communications are provided. Oe example method includes: transmitting, by a first terminal device in a non-terrestrial network (NTN) cell, a first early data transmission (EDT) on a first resource; and receiving, by the first terminal device, a feedback message of the first EDT from a network device, the feedback message of the first EDT including a first radio network temporary identifier (RNTI), wherein the first resource is one of a plurality of common preconfigured uplink resources (PUR), the plurality of common PURs correspond to a plurality of RNTIs including the first RNTI, and the first RNTI corresponds to the first resource or the first EDT includes the first RNTI.

Various solutions for enhancements on paging early indication (PEI) design are described. An apparatus may receive a PEI from a network node of a wireless network. The PEI is included in a downlink control information (DCI) with a cyclic redundancy check (CRC) scrambled by a paging early indication-radio network temporary identifier (PEI-RNTI). The apparatus may monitor a paging occasion (PO) associated with the apparatus in a case that the PEI indicates there being a paging for a subgroup to which the apparatus belongs.

A wireless device receives a radio network temporary identifier (RNTI) for multicast and broadcast services (MBS) of a cell, a first parameter indicating a first location of first common frequency resources (CFR) for the MBS within a first BWP and a second parameter indicating a second location of second CFR for the MBS within a second BWP. The wireless device receives, based on the RNTI, via an active BWP of the cell a group common downlink control information (DCI) scheduling a transport block of the MBS, wherein: the group common DCI is received via the first CFR for the MBS based on the first BWP being the active BWP or the group common DCI is received via the second CFR for the MBS based on the second BWP being the active BWP; and the transport block of the MBS.

Methods and apparatuses are provided for reducing access latency in random access channel (RACH) procedures. A user equipment (UE) can transmit a plurality of message 1s at a plurality of RACH transmission occasions before the end of a random access response (RAR) window. The UE receives one or more RARs in response to the plurality of transmitted message 1s. The one or more RARs can be carried in a single RAR window or a plurality of RAR windows. The UE determines the detected message 1s based on an explicit signal, an implicit indication, or both. The explicit signal can be carried in the one or more RARs received by the UE. The implicit indication can be one or more signatures associated with the plurality of RACH transmission occasions. The one or more signatures contain at least one of a physical random access channel (PRACH) preamble or preamble index, a random access radio network temporary identifier (RA-RNTI) value, a RAR window, and a control region for a physical downlink control channel (PDCCH). The beneficial effect of reduced access latency time is achieved with transmitting message 1s.

Described herein are solutions for enabling message 4 (Msg4) physical downlink (DL) shared channel (PDSCH) repetitions. A user equipment (UE) can determine whether to indicate or request Msg4 PDSCH repetition based on capability information and reference signal received power (RSRP) thresholds. A base station can use downlink control information (DCI) for scheduling Msg4 PDSCH repetitions based on a reinterpretation of an existing DCI field, a new temporary cell radio network temporary identifier (TC-RNTI), an implicit indication based on Msg4 physical uplink (UL) control channel (PUCCH) repetitions, or a number of Msg4 PDSCH repetitions requested by the UE. The number of Msg4 PDSCH repetitions can be applied until a dedicated PDSCH configuration is provided to the UE.

Example embodiments of the present disclosure provide solutions for optimization of contention based uplink (UL) transmission. A method comprise transmitting, from a terminal device and to a network device, multiple replicas of a first message using resources determined by the terminal device, wherein a radio network temporary identifier (RNTI) information derived from a resource used for transmitting a first replica, among the multiple replicas, is indicated in other replicas.

The present disclosure relates to a handover in a communication system, and an operating method of a terminal may include the steps of: transmitting a measurement report to a first base station; receiving from the first base station an RRC (radio resource control) reconfiguration message including at least one of information on a radio network temporary identifier (RNTI) of a second base station, information on a timing difference between the first base station and the second base station, and information on uplink resources allocated by the second base station as information on candidate base stations for handover; and performing handover to the second base station using the information included in the RRC reconfiguration message.

Aspects of the present disclosure relate to PRACH repetition transmissions using different beams and PUSCH repetition using one beam from among the plurality of beams. In one aspect, a user equipment transmits physical random access channel (PRACH) transmission repetitions to a base station using a plurality of beams. Then, in response to the PRACH transmission repetition, the UE receives downlink control information (DCI) with a cyclic redundancy check (CRC) scrambled by at least one random access radio network temporary identifier (RA-RNTI) from the base station during the at least one monitoring window. Further, the UE transmits a physical uplink shared channel (PUSCH) transmission to the base station based on a random access response (RAR) uplink (UL) grant scheduled by the DCI. In this way, communication performance can be improved.

Embodiments of the present application are related to methods and apparatuses for uplink positioning. An embodiment of the present application provides a user equipment including: a transceiver and a processor coupled to the transceiver, wherein the processor is configured to: receive, with the transceiver and from a first base station (BS), a first sounding reference signal (SRS) configuration for radio resource control (RRC) inactive or idle state and a first validity area associated with the first SRS configuration; transmit, with the transceiver, an RRC resume request to a second BS, wherein the RRC resume request includes an inactive radio network temporary identifier allocated by the first BS and a cause value indicating to update SRS configuration and associated validity area; and receive, with the transceiver and from the second BS, an RRC release message or an RRC resume message in response to the RRC resume request.

A user equipment (UE) includes a transceiver configured to receive, from a base station (BS), during a paging occasion (PO), first downlink control information (DCI) addressed to a paging radio network temporary identifier (P-RNTI), and receive, from the BS, a downlink (DL) transport block (TB) for paging scheduled by the first DCI. The UE also includes a processor operably coupled to the transceiver. The processor is configured to decode the DL TB for paging, determine whether the DL TB for paging is successfully decoded, and in response to a determination that the DL TB for paging is not successfully decoded, cause the transceiver to transmit, to the BS, a request for a paging retransmission.