33results about "Signal allocation" patented technology

Methods, systems, and devices are described for wireless communication at a device. A wireless device may be configured with a transmission time interval (TTI) bundling parameter. The device may then identify one or more resources for an uplink (UL) control channel based on the TTI bundling parameter (e.g., using either an implicit or an explicit indication from another wireless node such as a serving cell of a base station) and transmit the UL control channel using the identified resources. The device may also identify a downlink control information (DCI) format based on the TTI bundling parameter. For example, a resource allocation granularity level may be associated with the bundling parameter, and the length of a DCI field may depend on the resource allocation granularity level.

Apparatus and method for communication are provided. The apparatus includes a controller for controlling the transmission and reception of data on one or more carriers utilizing Time Division Duplexing and frames including sub frames, where multiple carriers utilized by different apparatuses are synchronized with each other and a predetermined number of sub frames of each frame are reserved for predetermined transmission directions and a scheduler for allocating the rest of the sub frames carrier specifically either in downlink or uplink direction.

In a mobile communication system in which a plurality of component carriers are used, transmitting and receiving control information of HARQ effectively is realized. In a mobile communication system in which a base station apparatus (100) sets a plurality of downlink component carriers for a mobile station apparatus (200), the base station apparatus (100) transmits a downlink transport block to the mobile station apparatus (200) on one or a plurality of downlink component carriers among the plurality of downlink component carriers, and the mobile station apparatus transmits, to the base station apparatus (100), control information of HARQ for the downlink transport block on any one of physical uplink control channel resources corresponding to the one or plurality of downlink component carriers on which the downlink transport block has been transmitted.

A method in which a first apparatus performs wireless communication and an apparatus supporting the same are provided. The method may include: receiving information related to a physical sidelink feedback channel (PSFCH) resource from a base station; receiving a physical sidelink shared channel (PSSCH) from a second apparatus; and transmitting a PSFCH related to the PSSCH to the second apparatus. Here, the information related to the PSFCH resource may include, for example, information related to a resource block (RB) available for the first apparatus to transmit the PSFCH.

The present invention relates to a method for defining, in a TDD wireless communication system in which broadband is configured by means of carrier aggregation, transceiving timing for a data channel and a control channel when cross-carrier scheduling is implemented.

Provided are a method for reporting channel state information of a terminal in a wireless communication system and a device using the method. A terminal receives at least one or more A-CSI request message that triggers aperiodic CSI reports for a plurality of CSI processes of a first cell, and as a response to the at least one or more A-CSI request message, updates at least one of the plurality of CSI processes that were triggered, wherein, if a CSI process capability is defined as the maximum number of CSI processes that the terminal may operate for a specific cell, and if the CSI process capability for the first cell is less than the number of the triggered aperiodic CSI reports, and the CSI process capability for a second cell is more than the number of aperiodic CSI reports triggered for the second cell, the residual CSI process capability for the second cell is used for updating the CSI process for the first cell.

The invention discloses a system information sending and receiving method and device in a digital audio broadcasting system. The method comprises the following steps of: when in sending, performing CRC (cyclic redundancy check) coding and channel coding on the system information to generate a coding bit stream; performing bit interleaving and constellation mapping on the coding bit stream to obtain a continuous pilot frequency including the system information; multiplexing a continuous pilot frequency signal with other signal elements of the system to obtain a frequency-domain signal of an orthogonal multiplexing structure according to a carrier allocation method stipulated by a frequency spectrum mode; converting the frequency-domain signal into a time-domain signal for sending; when in receiving, converting the time-domain signal into a frequency-domain signal; extracting the continuous pilot frequency including the system information from an effective carrier of the frequency-domain signal according to the position stipulated by the frequency spectrum mode; obtaining an estimated value of the system information through de-mapping, de-interleaving and channel decoding; and judging the correctness of the system information by use of CRC decoding, and outputting the system information. The method and device disclosed by the invention can improve the transmission robustness on the basis of guaranteeing the transmission efficiency of the system information.

In a base station (100), when the number of layers employed is 1 and the employed antenna port and the antenna port used for transmitting the allocation control signal are the same, a transmission controller (102) sets a first data resource region inside a first resource region, in a resource block group (RBG), that can be used for the control channel or the data channel. When the number of layers employed is 1 and the employed antenna port and the antenna port used for transmitting the allocation control signal are different, a transmission controller (102) sets a second data resource region inside the first resource region in the RBG. The second data resource region is larger than the first data resource region.

The invention discloses a PDCCH dispatching method. The method includes the steps that after an enhancing PDCCH switch is judged to be turned on by a base station, the sub-band of the maximum CQI is selected from all sub-bands of channel quality indicators (CQIs) reported by terminal UE and serves as a resource for bearing a frequency band of downlink control information (DCI), and first five PRBs in a PDSCH resource area where the frequency band starts are taken as frequency resources for fixedly bearing the DCI. The success rate of receiving PDCCHs by a terminal in the presence of disturbance is increased, and a reliable precondition is provided for accurately analyzing PDSCH service data, so that the quality of free-port data transmission is ensured, the handling capacity of a user is improved in comparison with an original implement method in the same environment, and then the maximization of the system capacity of a wireless communication system is ensured.

A communication device for handling a HARQ process in a LAA SCell comprises a storage unit and a processing circuit configured to execute instructions stored in the storage unit. The instructions comprise receiving at least one UL grant from a network in a DL subframe, wherein a UL grant of the at least one UL grant schedules at least one PUSCH transmission associated with a UL HARQ process in at least one UL subframe, and a first timer and a second timer are associated with the UL HARQ process; starting the first timer in a first UL subframe of the at least one UL subframe, if the communication device is not able to perform a PUSCH transmission of the at least one PUSCH transmission in the first UL subframe; starting the second timer, when the first timer expires; and monitoring a PDCCH, when the second timer is running.

Provided are a method and apparatus for measuring interference in a wireless communication system. A terminal receives, from a base station, a zero-power channel state information (CSI) reference signal (RS) indicator that indicates whether or not to estimate interference using a zero-power CSI RS signal, and, according to the zero-power CSI RS indicator, measures interference on the basis of the zero-power CSI RS.

The present invention provides a downlink HARQ feedback method under a TDD system and a downlink HARQ feedback device under a TDD system. The downlink HARQ feedback method under a TDD system comprises: receiving downlink data transmitted on a subframe n in a current frame; feeding HARQACK or NACK feedback information for the downlink data back onto a target uplink subframe, wherein the target uplink subframe is an uplink subframe n+k in the current frame or an uplink subframe (n+k)%10 in the next frame adjacent to the current frame, % is a remainder operator, n is an integer from 0 to 9, and k is a preset value greater than 0. By the technical scheme of the invention, a downlink HARQ feedback time sequence can meet the minimum delay requirement of the TDD system and the control information overhead on each uplink subframe can also be effectively balanced.

A method for processing a control channel at a user agent (UA) to identify at least one of an uplink and a downlink resource allocated by a resource grant within a multi-carrier communication system wherein resource grants are specified by control channel element (CCE) subset candidates, the method comprising the steps of identifying the number of configured carriers used to communicate with the access device, based on the number of configured carriers used to communicate with the access device, identifying a number of CCE subset candidates to decode and decoding up to the identified number of CCE subset candidates in an attempt to identify the resource grant.

The invention provides a resource configuration method, a terminal and a network device, and solves the problem that a clear method for configuring semi-persistent resources does not exist yet when aplurality of different beams or transmission points are adopted to transmit and receive data to UE. The resource configuration method provided by the embodiment of the invention comprises the following steps: acquiring resource configuration information of semi-persistent resources, wherein the resource configuration information comprises identification information of a plurality of transmission carriers and resource allocation information corresponding to the identification information of each transmission carrier; and determining at least one of available resource position information of thetransmission carrier in each resource period and a hybrid automatic repeat request (HARQ) process number available in each resource period according to the resource configuration information of the semi-persistent resources. According to the invention, different semi-persistent resources are configured on different uplink transmission carriers and/or downlink transmission carriers, the utilization rate of the semi-persistent resources under multiple transmission carriers is improved, and meanwhile, the time delay generated by scheduling during data transmission is reduced.

Provided are a method by which a terminal monitors a downlink control channel in a wireless communication system, and a device. The method receives a configuration message that notifies of a monitoring occasion for detecting a wake up signal and, if first control channel monitoring for detecting the wake up signal is not required in the at least one monitoring occasion, monitors a second control channel in the next DRX-on section.

The disclosed mobile station (UE) is equipped with: measurement units (102) that measure the wireless quality of a currently communicating cell or a neighboring cell for each carrier among at least two carriers; a determination unit (104) that determines whether or not the wireless base station (eNB) should be notified of the measurement results of the measurement units (102) for each carrier among the at least two carriers; and a transmission unit (106) that transmits the measurement results of the measurement units (102) to the wireless base station (eNB) when the determination unit (104) has determined that the wireless base station (eNB) should be notified of the measurement results of the measurement units (102). Along with the measurement results relating to the carrier for which it has been determined by the determination unit (104) that the wireless base station (eNB) shall be notified of the measurement results of the measurement units (102), the transmission unit (106) transmits measurement results relating to carriers other than said carrier.

A base station device comprises a means for preparing PHICHs, a means for mapping, according to a predetermined mapping table, each of the PHICHs of the number of user multiplexes to an I-channel or a Q-channel, and a means for notifying each of the users of a PHICH. A user device comprises a means for demodulating a downlink control signal including the allocation information of uplink radio resources, a means for transmitting, according to the allocation information, a shared data channel by using an uplink, and a means for retrieving a PHICH indicating necessity or unnecessity of retransmission of the shared data channel from the downlink control signal according to the predetermined mapping table. The mapping table indicates that when the number of user multiplexes is a predetermined number or less, a PHICH is made to be corresponding to only the I-channel or the Q-channel and when the number of user multiplexes is greater than the predetermined number, the PHICH is made to be corresponding to the I-channel and the Q-channel.

A battery management system having capability for addressing and time-division communication, the battery management system comprises a controller and a plurality of sensors, the sensors can communicatively connect to the controller; wherein each sensor has a communication port, the controller can transmit a plurality of addressing commands to address each of the sensors, each of the sensors can control the communication period of each communication port in accordance with its received addressing command, therefore the sensors and the controller can execute the time-division communication.

Provided in an embodiment of the present invention are a CSI-RS indication method and device, the method comprising the steps of: receiving paging DCI, the paging DCI indicating one or more of the following items: whether a CSI-RS is transmitted; whether the CSI-RS configuration information is updated is determined; and judging whether the system information is updated or not, wherein the system information comprises CSI-RS configuration information. In the embodiment of the invention, the terminal can determine whether the CSI-RS is transmitted or whether the CSI-RS configuration information is updated according to the received paging DCI, if the paging DCI indicates the CSI-RS transmission, the terminal receives the CSI-RS, and if the paging DCI indicates the CSI-RS configuration information is updated, the terminal acquires the updated CSI-RS configuration information and receives the CSI-RS according to the updated CSI-RS configuration information.

The invention provides an uplink non-orthogonal multiple access transmission feedback method, device and system. A base station feeds back group-based common control signaling to UE according to a detection result, and respectively feeds back special control signaling of the UE to the UEs with the same detection result and few UEs in the group, so that the UE carries out new transmission or retransmission according to a feedback result indicated by the special control signaling when the UE detects the special control signaling for the UE and the feedback result exists, otherwise, new transmission or retransmission is performed according to the detected feedback result based on the common control signaling indication of the group where the UE is located, wherein the detection result for onegroup in the common control signaling is the detection result corresponding to the UEs with the same detection result and a large number of UEs in the group and the detection result in the special control signaling is the detection result of the corresponding UE. According to the method, the system transmission efficiency can be improved on the basis of saving the signaling overhead.

A method for wagon-to-wagon communication between wagons of a train is disclosed. The train includes a first train wagon and at least one further train wagon, the first train wagon having a first transmitter/receiver device, and the further train wagon having a further transmitter/receiver device. The first transmitter/receiver device sends a request message using short distance communication. The further transmitter/receiver device sends an acknowledgement to the first transmitter/receiver device using short distance communication. The first transmitter/receiver device sends a first identification code identifying the first train wagon to the further train wagon. A method for checking train integrity and a train wagon is also disclosed.

Methods, systems, and devices for wireless communications are described. A full duplex user equipment (UE) may provide a channel state information (CSI) report to a base station to enable the base station to schedule simultaneous the uplink and downlink communications for the full duplex UE. For example, the base station may transmit a CSI report configuration to the UE that indicates for the UE to report a full duplex CSI. In some cases, the CSI report configuration may include the UE to report CSI under a full duplex mode with or without an indication of an uplink bandwidth. Accordingly, the UE may calculate and report the self-full duplex mode CSI to the base station according to the received configuration. The base station may then determine a radio resource allocation and transport format for downlink data transfer and for uplink data transfer under the full duplex mode.

The invention provides a mobile communication uplink information scheduling method, a terminal, network equipment and a system, and solves the problem of distinguishing the type of a physical uplink shared channel by using a special field in uplink scheduling authorization. The method comprises the following steps that: terminal equipment receives uplink scheduling authorization information, wherein the uplink scheduling authorization information comprises a channel state information request, a modulation and coding scheme index value and a redundancy version index value; and when the channelstate information request indicates to send aperiodic channel state information, if the modulation and coding scheme index value is a first predetermined value and/or the redundancy version index value is a second predetermined value, the terminal device does not include the uplink shared channel in the sent physical uplink shared channel. And the terminal equipment can also identify at least oneof the modulation order, the target coding rate and the spectral efficiency of the physical uplink shared channel by using the hybrid automatic repeat process index value. The invention also comprisesa terminal, network equipment and a system for the method.

The invention provides a load control method, a service provider NF and a service user NF. The method comprises the following steps: receiving a service request message sent by the service user NF; sending a service response message to the service user NF, wherein the service response message carries a resource address of load control information; According to the embodiment of the invention, theresource address of the load control information is carried in the service response message, so that on one hand, the problem that different operations cannot be carried out on a plurality of resources in one service call in an existing HTTP protocol is solved, and a universal end-to-end load control mechanism can be superposed during service call; and on the other hand, a large number of parameters with complex types are prevented from being expanded in an HTTP protocol, flexible expansion of the load control information is facilitated, and the compatibility problem is avoided.