323 results about "Radio network temporary identifier" patented technology

An apparatus 310 employable in a communication system configured to determine a value for a new data indicator for semi-persistently allocated or scheduled resources. In one embodiment, the apparatus 310 includes a processor 320 configured to receive a cell radio network temporary identifier indicating a semi-persistent scheduling. The processor 320 is also configured to treat a reception of data with a new data indicator flag in accordance with the semi-persistent scheduling as one of a persistent initial transmission if a value of the new data indicator flag is equal to a first predefined value, and a retransmission of semi-persistent scheduling data if the value of the new data indicator flag is equal to a second predefined value.

An apparatus, method and system for providing management and execution of handover or redirection of user equipment in a communication system. In one embodiment, the apparatus includes a processor and memory including computer program code. The memory and the computer program code are configured to, with the processor, cause the apparatus to receive a command from a source base instructing the apparatus to decode a physical downlink control channel associated with a target base station, and determine if a cell radio network temporary identifier from the source base station matches an assigned cell radio network temporary identifier on the physical downlink control channel from the target base station.

An eNodeB (eNB), user equipment (UE) and method for operating using a reduced data transmission bandwidth are generally described. The UE may receive downlink control information (DCI) that provides a resource allocation (RA) of a reduced physical resource block (PRB_min) of less than 1 PRB for communications in a PRB of a subframe. Whether the RA is localized or distributed may be predefined, configured via system information block or Radio Resource Control signaling, or indicated in the DCI format. The DCI format may specify the resources within the PRB allocated to the UE through a subcarrier block index and total number of subcarrier blocks or a bitmap corresponding to a unique block of subcarriers or block index. An order in a list of cell Radio Network Temporary Identifiers (RNTIs) may be used with a common RNTI to derive the reduced RA from a 1 PRB RA.

A mobile communication system that supports Device to Device (D2D) communications, comprises: a base station that notifies a plurality of user terminals of a D2D common RNTI that is a radio network temporary identifier (RNTI) which is common in the plurality of user terminals, and that is used to collectively transmit, to the plurality of user terminals, a D2D control signal for controlling the D2D communications.

The invention discloses a contention based uplink transmitting method. The method comprises the following steps that: network side equipment broadcasts or configures one or more cell broadcast radio network temporary identifiers (CB-RNTI) to a terminal and allocates uplink resources corresponding to one or more CB-RNTI to the terminal; and the terminal selects the uplink resource from the uplink resources corresponding to one or more CB-RNTI according to the preset conditions and carries out uplink transmission according to the selected uplink resource. The invention also discloses a contention based uplink transmitting system. The method and the system have the beneficial effects of reducing resource conflicts in the contention based uplink transmitting process and improving the system performance.

A method and an apparatus for a User Equipment (UE) to receive a first type of a Physical Downlink Control CHannel (PDCCH) or a second type of a PDCCH in a Transmission Time Interval (TTI) are provided whereby the first type of PDCCH and the second type of PDCCH convey respective Downlink Control Information (DCI) formats containing Cyclic Redundancy Check (CRC) bits scrambled with a Radio Network Temporary Identifier (RNTI). The method includes receiving by the UE a first bitmap associated with a number of TTIs equal to the first bitmap size, wherein each element of the first bitmap indicates whether a TTI is of a first type or of a second type, decoding by the UE only PDCCH of the first type if the TTI is of the first type, and decoding by the UE only PDCCH of the second type if the TTI is of the second type.

The invention discloses a random access method, a random access control method, a random access device, a random access control device and a random access system, and aims to realize random access through secondary cells. The random access method for a terminal side comprises the following steps of: receiving a physical downlink control channel (PDCCH) instruction of initiating non-competitive random access on a specified secondary cell from a base station by using user equipment (UE), wherein the PDCCH instruction comprises a special preamble number and a physical random access channel (PRACH) resource indication; transmitting a special preamble corresponding to the special preamble number on the secondary cell by utilizing indicated PRACH resources; and performing cell radio network temporary identifier (C-RNTI)-scrambled PDCCH blind detection in a UE specific search space within a determined set time bucket, determining that the random access succeeds if an Msg2 scheduled by a PDCCH is obtained within the set time bucket, and determining that the random access fails if the Msg2 scheduled by the PDCCH is not obtained within the set time bucket.

Disclosed are a method and a device for data transmission, which relate to the field of wireless communication technologies, and are used for decreasing signaling overhead of a system in this application, an eNB delivers a scheduling radio network temporary identifier RNTI to a terminal; the eNB schedules uplink resources and/or downlink resources for the terminal through a physical downlink control channel PDCCH scrambled by using the scheduling RNTI, receives uplink data sent by the terminal on the scheduled uplink resources, and sends downlink data to the terminal on the scheduled downlink resources. The terminal monitors the PDCCH scrambled by using the scheduling RNTI, and sends the uplink data and/or receives the downlink data by using the resources scheduled by the monitored PDCCH. The method of this application can be used to effectively decrease the signaling overhead of the system.

The invention discloses a paging method, which comprises the following steps: acquiring an interface Paging message from a core network by the network equipment, wherein the interface Paging message contains the corresponding Group-ID of machine-type communication MTC equipment in the group, and sending a radio resource control protocol RRC Paging message to the MTC equipment in the group by the network equipment according to the Group-ID, wherein the RRC Paging message contains the corresponding Group-ID of machine-type communication MTC equipment in the group. According to the method, by paging aiming at the MTC equipment, the load of paging channel is reduced and the paging efficiency is increased. When the number of MTC equipment is more, the use ratio of resource can be efficiently increased and the signaling cost can be lowered. By arranging a special P-RNTI (radio network temporary identifier) of MTC, the interference on the traditional LTE (long term evolution) UE (user equipment) paging can be avoided. According to the characteristics of the MTC equipment, the paging configuration information can be specially designed for the MTC equipment, thereby bringing more flexibility for optimizing the MTC system.

A method for determining a dedicate searching space (DSS) in a physical downlink control channel (PDCCH) for a user equipment (UE) of a wireless communication system is disclosed. The method includes steps of indicating the UE to monitor a semi-persistent scheduling cell radio network temporary identifier (SPS C-RNTI) in the PDCCH for receiving a semi-persistent scheduling grant, and determining the DSS utilized for monitoring the SPS C-RNTI according to a cell radio network temporary identifier (C-RNTI) of the UE.

Disclosed are operation methods of a communication node in a network supporting licensed and unlicensed bands. An operation method of a user equipment (UE) may comprises receiving, from a base station, a physical downlink control channel (PDCCH) including downlink control information (DCI) in a subframe n−1 of an unlicensed band; decoding the DCI using a common radio network temporary identifier (RNTI); and identifying the number of symbols of the subframe n−1 or a subframe n based on the decoded DCI. Therefore, a performance of the network can be enhanced.

A method of handling random access for a user equipment of a wireless communication system includes transmitting a plurality of repetitions of a random access preamble to a network of the wireless communication system; and monitoring a physical downlink control channel (PDCCH) in a plurality of random access response windows for receiving a random access response identified by a random access radio network temporary identifier (RA-RNTI) from the network, wherein each of the plurality of random access response windows is corresponding to one of the plurality of repetitions of the random access preamble.

A method of managing user equipment (UE) identifiers in a communication system that includes a first wireless communications system that has a core network and a second wireless communications system that includes several short range access points using licensed wireless frequencies and a network controller for communicatively coupling a user equipment to the core network. The method receives a radio resource control (RRC) connection request message from the UE. The method allocates a first identifier to the UE. The method sends an RRC connection setup message that includes the first identifier from the access point to the UE. The method sends a connection management services request message and the first identifier. The network controller determines the first identifier is in use. The method sends a mobility info message that includes a second identifier which is different than the first identifier from the access point to the UE.

The present disclosure relates to a downlink data transmission/reception technique for supporting a low-complexity UE category/type for a MTC operation. A method may be provided for an MTC UE to receive a random access response. The method may include: repeatedly transmitting a random access preamble to a base station through a Physical Random Access Channel (PRACH) of at least one subframe; determining a Random Access Radio Network Temporary Identifier (RA-RNTI) using first time index information, frequency index information, and second time index information on the PRACH; and receiving a random access response to the random access preamble using the RA-RNTI within a random access response window.

The present invention discloses a non-orthogonal random access method. The method includes a first step of acquiring, by each of N users, necessary configuration information; a second step of sending a random access preamble; a third step of detecting, based on arrival time of the user, the preamble; a fourth step of transmitting a random access response; a fifth step of transmitting a layer III message; a sixth step of determining, according to a relationship between regular time and ahead of time of the user, a user demodulation sequence by eNodeB, so as to separate multiple users in a serial interference cancellation (SIC) manner; and a seventh step of replying, by the eNodeB, each identified cell radio network temporary identifier (C-RNTI) competition resolving information, so as to indicate that the user randomly accesses successfully. According to the non-orthogonal random access method, multiple users access randomly simultaneously due to adoption of a power domain multiplexing manner, user access success probability is effectively improved, access time delay is lowered, network users are greatly increased, and demands of a fifth-generation mobile communication system are met.

A communication system configures a plurality of sidelink (SL) Semi-Persistent Scheduling (SPS) for a user device. In some embodiments, a method includes generating, by a base station, SL SPS configuration information for the user device, wherein the SL SPS configuration information comprises: an SL SPS radio network temporary identifier (RNTI) for the user device; and SL SPS index information to indicate a plurality of SL SPS configurations for the user device. The method further includes configuring a radio resource control (RRC) message comprising the SL SPS configuration information and transmitting, by the base station and to the user device, the RRC message.

A method of handling Semi-Persistent Scheduling (SPS) Cell Radio Network Temporary Identifier (C-RNTI) for a mobile device configured with a primary component carrier, at least one secondary component carrier and an SPS C-RNTI in a wireless communication system is disclosed. The method comprises steps of performing a Physical Downlink Control Channel (PDCCH) validation process for an SPS information; and determining the SPS information is valid if the PDCCH validation process is valid and the SPS information is received on the primary component carrier.

An eNodeB (eNB), user equipment (UE) and method for operating in enhanced coverage (EC) modes are generally described. The UE may receive one or more physical broadcast channel (PBCH) signals, dependent on whether the UE is in a normal coverage mode or in one of the EC modes. The PBCH signal may be combined to form a combined PBCH signal, when the UE is in an EC mode, and decoded to determine one of a plurality of sets of resource regions associated different EC modes for communication with the eNB. The signal may be scrambled using a Radio Network Temporary Identifier (RNTI) dependent on at least one of a signal type of the control signal and the EC mode. Paging and the system information block (SIB) signals in a Physical Downlink Shared Channel (PDSCH) may be decoded without decoding a physical downlink control channel (PDCCH) signal associated with the PDSCH.