129 results about "Downlink scheduling" patented technology

Methods, systems, and devices for wireless communications are described. In some systems, a base station may transmit a slot format indicator (SFI) to a first user equipment (UE) via downlink control information (DCI) and the first UE may use the SFI to determine time-domain resources over which the first UE may measure cross link interference (CLI) arising from a transmission from a second UE. The first UE may use the SFI as an index into a slot format combination table, which may also be used for uplink and downlink scheduling or may be exclusively used for determining the time-domain resources for CLI measurement. The first UE may determine a set of slot formats from a slot format table based on a slot format combination corresponding to the SFI index and may determine over which symbols the first UE may measure CLI based on the set of slot formats.

A method and apparatus are provided, in which a higher layer configuration is received (2002), where the user equipment is configured with two timing reference signals for receiving a common communication having a same set of data from multiple signal sources. A downlink scheduling assignment including downlink control information is received (2004) in a control channel scheduling a physical downlink shared channel, wherein the downlink scheduling assignment comprises an indication of a transmission configuration indicator identifying two transmission configuration indicator states, which each indicate quasi-co-location information of a demodulation reference signal corresponding to the physical downlink shared channel relative to a respective one of the first and the second timing reference signals. The physical downlink shared channel is then received (2006) according to the downlink scheduling assignment including the downlink control information.

Method and apparatus for downlink scheduling for increased orthogonal DMRS ports and PRB bundling size. The apparatus transmits DCI comprising an antenna value associated with a DMRS port mapping configuration. The DMRS port mapping configuration comprising orthogonal codes over a frequency domain and an orthogonal code sequence having a length (N) of orthogonal codes applied in the frequency domain. The orthogonal code sequence having a value of N>2. The apparatus transmits an indication comprising a DMRS port ID field associated with the DMRS port mapping configuration. At least one of the DMRS port ID field, the orthogonal code sequence, or the antenna value configured to identify a DMRS port.

Embodiments of a User Equipment (UE), generation Node-B (gNB) and methods of communication are generally described herein. The UE may receive, from a gNB, a narrowband physical downlink control channel (NPDCCH) that indicates a number of narrowband internet-of-things (NB-IoT) downlink subframes for a downlink scheduling delay of a narrowband physical downlink shared channel (NPDSCH) in one or more radio frames configured for time-division duplexing (TDD) operation. Subframes of the one or more radio frames may include uplink subframes, NB-IoT downlink subframes for downlink NB-IoT transmissions, and downlink subframes for other downlink transmissions. The UE may determine the downlink scheduling delay based on an earliest subframe for which a count of NB-IoT downlink subframes is equal to the number of NB-IoT downlink subframes indicated in the NPDCCH.

A method and apparatus are provided, in which a higher layer configuration is received (2002), where the user equipment is configured with two timing reference signals for receiving a common communication having a same set of data from multiple signal sources. A downlink scheduling assignment including downlink control information is received (2004) in a control channel scheduling a physical downlink shared channel, wherein the downlink scheduling assignment comprises an indication of a transmission configuration indicator identifying two transmission configuration indicator states, which each indicate quasi-co-location information of a demodulation reference signal corresponding to the physical downlink shared channel relative to a respective one of the first and the second timing reference signals. The physical downlink shared channel is then received (2006) according to the downlink scheduling assignment including the downlink control information.

A method can include receiving, by a wireless device, a first downlink control information (DCI) indicating a physical uplink shared channel (PUSCH) transmission in a slot. The PUSCH transmission includes a hybrid automatic repeat request (HARQ) acknowledgement (ACK) information. The method can also include, based on a HARQ process being a feedback-disabled HARQ process, receiving, after the receiving of the first DCI and before the slot, a second DCI scheduling a physical downlink shared channel (PDSCH) associated with the HARQ process. The method can further include transmitting the PUSCH transmission comprising the HARQ-ACK information.

An apparatus of a radio unit (RU) may include a radio frequency (RF) switch selectively connected to an uplink path or a downlink path for time division duplex (TDD); at least one processor; and a memory including instructions. When executed individually or collectively by the at least one processor, the instructions may cause the apparatus to: receive a control plane message from a distributed unit (DU) within a downlink receive window; obtaining a segment for downlink scheduling based on data direction information and a segment type indicator of a generic header of the control plane message; and changing a path to which the RF switch is connected from an uplink path to a downlink path on the basis of the segmented command for increasing the symbol number and information for indicating the number of symbols.

The present application provides a method and communication device for downlink transmission, wherein a session management network element obtains the time length between the time when an expected downlink service message arrives at an access network element and the time when the downlink service message is expected to arrive at the access network element, that is, a first delay, and the time when the expected downlink service message arrives at the access network element is within a first scheduling window, and the next scheduling window adjacent to the first scheduling window is a downlink scheduling window, and then the session management network element sends time adjustment information related to the first delay to a user plane network element or an application network element, and the time adjustment information is used for the user plane network element to determine the first time to send the downlink service message or the application server to determine the second time to send the downlink service message, and the time when the downlink service message sent by the user plane network element at the first time or the application server at the second time arrives at the access network element is within the first scheduling window. This solution can reduce the scheduling delay on the access network element side.

The present disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The present disclosure provides a method and apparatus for downlink scheduling of low complexity user equipment in a wireless communication system.

The present invention provides a method, apparatus and network device for determining a scheduling terminal, which relates to the field of communication technologies. The method is executed by a network device and includes: obtaining uplink and / or downlink scheduling data information corresponding to a target processing time slot physical downlink control channel (PDCCH) authorization; performing comprehensive time-domain priority sorting for the uplink and downlink according to the uplink and / or downlink scheduling data information; determining the beam direction of the PDCCH authorization according to the sorting result of the comprehensive time-domain priority sorting for the uplink and downlink; and determining the terminal to be scheduled according to the beam direction. The above solution can ensure the transmission performance of high-priority services and reduce the transmission delay of high-priority services.

In an embodiment, a method implemented in a WTRU comprises receiving, from a source cell, a first message comprising information indicating a configuration including resources for measurement on RSs of the source and of a target cells; wherein resources for measurement on RSs contain a timing reference; receiving RSs from the source and from the target cells; performing a time difference measurement between source cell RSs and target cell RSs; on condition that the measured time difference is within a threshold amount from zero: transmitting, to the source cell, a second message comprising information indicating the measured time difference between the source and the target cell RSs; receiving, from the source cell, a third message comprising information indicating downlink scheduling resources on the target cell; and receiving, from the target cell, a fourth message comprising information indicating release of configuration associated with the source cell.

Embodiments of the present disclosure relate to devices, methods, apparatuses and computer readable storage media of signalling enabling Timing Advance (TA) exchange between User Equipment (UE) and Radio Access Network (RAN). The method comprises receiving, at a first device, a TA margin from a second device; transmitting, to the second device, information associated with a reference location of the first device at a first time point; determining a reference TA of the first device at least based on the reference location of the first device; determining an actual TA of the first device at least based on an actual location of the first device at a second time point; and determining, based on a comparison of a TA margin with a difference between the reference TA and the actual TA, whether to transmit an updated reference location of the first device to the second device. In this way, the control for uplink overhead from TA / location updates and probability of impacting downlink scheduling become flexible. Furthermore, the downlink delay can be optimised and meanwhile overhead in case of very few small packets transmitted can be minimized. As a result, the network can optimize its own performance and the battery savings of the users.

The embodiment of the present application provides a non-periodic CSI reporting method, apparatus, device and readable storage medium, the method comprising: receiving a first DCI, the first DCI being used for downlink scheduling authorization; triggering non-periodic CSI reporting according to a situation of receiving the first DCI or a situation of PDSCH transmission scheduled by the first DCI. In the embodiment of the present application, PDCCH overhead can be saved and non-periodic CSI feedback delay can be reduced.

Embodiments of the present application provide a communication method and apparatus, and a readable storage medium. The method mainly comprises: receiving configuration information, wherein the configuration information comprises a plurality of data scheduling index values, and the data scheduling index values are used for associating with corresponding downlink scheduling intervals; sending first information to a second communication apparatus, wherein the first information indicates a downlink scheduling interval of data, and the downlink scheduling interval of the data is determined on the basis of the configuration information; and receiving the data sent by the second communication apparatus on the basis of the downlink scheduling interval. By implementing the embodiments of the present application, energy-saving scheduling in RANs can be implemented without relying on AFs to provide operations and maintenance feature information, thereby improving the flexibility of energy-saving scheduling in RANs.

The application provides a communication method and a base station, and belongs to the technical field of wireless communication, and the method comprises the following steps: performing at least one of the following according to resources and / or parameters associated with downlink scheduling of a second base station in a cross-interference time slot: uplink scheduling in the cross-interference time slot; uplink demodulation in the cross-interference time slot; and configuring an uplink demodulation reference signal. The application provides an interference cancellation method without a channel calibration process between a disturbing base station and a disturbed base station in a full-duplex system or other systems with cross-interference time slots, and the interference cancellation method also does not require the disturbing base station to exchange downlink data of the disturbing base station in the cross-interference time slot with the disturbed base station.

The application relates to a downlink adaptive method and device under non-terrestrial network hybrid retransmission disabling. The method comprises the following steps: a base station configures downlink hybrid automatic repeat request feedback disabling for a user equipment, and configures prediction channel state information configuration parameters for the user equipment. The base station receives the prediction channel state information reported by the user equipment, and determines downlink inner loop channel quality according to the prediction channel state information. The base station receives the radio link control state report reported by the user equipment, and determines downlink outer loop statistics according to the radio link control state report. The base station determines the final downlink scheduling information according to the downlink inner loop channel quality and the downlink outer loop statistics. The method can realize accurate matching between downlink scheduling information and actual channel quality under the condition of no hybrid automatic repeat request feedback, reduce the block error rate and improve the downlink throughput.

The invention relates to the technical field of wireless, and provides an uplink interference suppression method, device and equipment, a storage medium and a program product, the uplink interference suppression method is applied to a coordinated control unit, and the coordinated control unit is arranged on the ground and is in communication connection with a satellite; the uplink interference suppression method comprises the following steps: before a satellite enters a wave position area to be served, controlling a base station in the satellite to enter a first state; wherein the first state is used for indicating the base station to execute uplink interference measurement under the condition that uplink and downlink scheduling is not carried out, and sending a measurement result to the coordinated control unit; receiving a measurement result sent by the base station, and determining an uplink interference judgment result based on the measurement result; sending the uplink interference judgment result to the base station; the uplink interference judgment result is used for indicating the base station to perform uplink interference suppression. Through the cooperative control unit arranged on the ground, the base station in the satellite can be prevented from frequently performing uplink interference measurement and analysis, so that the on-satellite resource consumption of the on-satellite base station during uplink interference suppression is effectively reduced.

The invention relates to a wireless communication device, a system information message receiving method thereof and a wireless communication system. The wireless communication device includes a buffer memory and a media access control circuit. The media access control is coupled to the buffer memory, and is used for segmenting the buffer memory according to a plurality of system information messages required by the wireless communication device, so that the buffer memory comprises a plurality of hybrid automatic repeat request buffer blocks, and allocating a plurality of hybrid automatic repeat request programs to the system information messages required by the wireless communication device, the system information messages are received in parallel from the base station in a narrowband Internet of Things downlink scheduling period, and the hybrid automatic repeat request programs respectively correspond to the hybrid automatic repeat request buffer blocks.

The invention relates to the technical field of communication, in particular to a feedback information transmission method and device, user equipment, a base station and a storage medium. The feedback information transmission method comprises the following steps: acquiring a PUCCH (Physical Uplink Control Channel) resource used for retransmitting feedback information of first service data at a moment which is separated from a moment when a transmission conflict occurs by a set duration, the PUCCH resource being acquired from downlink scheduling information included in DCI (Downlink Control Information) sent by a base station; the transmission conflict is the transmission conflict between the feedback information of the first service data and the second service data; and the feedback information of the first service data is retransmitted by using the PUCCH resource. According to the invention, in a mixed transmission scene of the first service data and the second service data, after the feedback information of the first service data is punctured or discarded, the retransmission efficiency of the feedback information of the first service data can be improved.

This application provides an uplink control information transmission method and related apparatus. The method includes: a terminal transmitting uplink control information (UCI) using the first time slot of the TBoMS Physical Uplink Shared Channel (PUSCH), which spans multiple time slot transmission blocks. Embodiments of this application achieve UCI transmission via the TBoMS PUSCH, thereby facilitating UCI transmission on the TBoMB PUSCH to provide uplink control information to assist downlink scheduling and improve system performance.

The present disclosure provides a method, apparatus, device, and medium for configuring and determining downlink scheduling information, which are applied to the field of wireless communication technologies. The method for configuring downlink scheduling information includes: setting a set of k0 of DCIs in a multi-slot PDCCH monitoring span; the set of k0 includes at least one k0, where k0 is the interval between the slot in which the DCI in the multi-slot PDCCH monitoring span is located and the slot in which the PDSCH scheduled by the DCI is located, and the set of k0 contains at least one negative integer less than 0. By setting the set of k0 to include negative integers less than 0, the DCI can schedule PDSCH resources before the slot in which this DCI is located, making full use of the PDSCH resources and achieving flexible scheduling.

A wireless communication device includes a buffer memory and a media access control (MAC) circuit. The MAC circuit is coupled to the buffer memory, and is configured to divide the buffer memory according to system information messages required by the wireless communication device, such that the buffer memory includes hybrid automatic repeat request (HARQ) buffer blocks, and assign HARQ processes for the system information messages required by the wireless communication device, so as to receive the system information message in parallel from a base station in a Narrowband Internet of Things (NB-IoT) downlink scheduling period, in which the HARQ processes respectively correspond to the HARQ buffer blocks.

The embodiment of the present invention provides a downlink scheduling method and device. The method includes: when it is necessary to schedule a target user equipment on a dedicated channel, obtaining the first time domain symbol occupied by the CSI-RS configured by the base station on the dedicated channel for the cell where the target user equipment is located in the current time slot, and the second time domain symbol occupied by the DMRS configured by the base station on the dedicated channel for the target user equipment in the current time slot; when the first time domain symbol overlaps with the second time domain symbol, in the time domain symbol before the first target symbol in the current time slot, selecting a third time domain symbol for the target user equipment to transmit PDSCH on the dedicated channel, the first target symbol being the time domain symbol overlapping between the first time domain symbol and the second time domain symbol; in the third time domain symbol, scheduling the PDSCH transmission of the target user equipment on the dedicated channel. It can be seen that the embodiment of the present invention can reduce the probability of the time domain symbols occupied by DMRS and the time domain symbols occupied by CSI-RS to a certain extent.

Multicast / Broadcast Service (MBS) for user equipments (UE) in Radio Resource Control (RRC) idle / inactive modes via signally of MBS frequency ranges and / or switching between frequency ranges as required. Bandwidth Part (BWP) operation for MBS in RRC IDLE and RRC INACTIVE states may be implemented using a dedicated MBS BWP or by sharing a frequency range with other operations. An MBS frequency range may be wider or narrower than an initial BWP used by a UE, for example. MBS frequency range configure may be achieved in a number of ways, such as via Control Resource Set (CORESET), search space, and / or PDCCH monitoring occasions pattern settings for MBS in RRC idle / inactive. Downlink scheduling without dynamic grant for MBS in RRC idle / inactive may include configured scheduling and / or semi-persistent scheduling. Downlink repetition for MBS in RRC idle / inactive may include PDSCH repetition and / or PDCCH repetition.

The present invention provides a method and device for switching partial bandwidth, relating to the field of communication technology. The method comprises the following steps: judging whether user equipment has partial bandwidth switching behavior based on downlink control information; if so, determining the user equipment as a target user equipment, determining the partial bandwidth as a target partial bandwidth, and determining the switching moment as a target moment; stopping uplink and downlink scheduling of the target equipment; after a preset time delay at the target moment, the target equipment performs uplink pre-scheduling on the target partial bandwidth for a first preset number of times; judging whether first verification information corresponding to the uplink pre-scheduling on the target partial bandwidth is correct; if the first verification information is correct, the target equipment stops uplink pre-scheduling on the target partial bandwidth, and starts uplink and downlink scheduling on the target partial bandwidth. The present invention improves user equipment service perception, reduces air interface resource waste, and improves spectrum utilization.

The present invention discloses a data transmission method, a base station, a device and a storage medium. The data transmission method comprises: the base station sends a system message, the system message carries marking information, the marking information is used to indicate that the base station supports sending MSGB; and / or, in a two-step random access process, the base station sends MSGB; wherein the MSGB comprises at least two RRC messages corresponding to the first type of user equipment, the first type of user equipment refers to a user equipment that sends MSGA to the base station and the MSGA contains small data. The present invention can include RRC messages of multiple UEs in MSGB, thereby improving the response speed of the base station to the UE, avoiding separate downlink scheduling (RRC message) after MSGB, and improving the overall performance of the system; it can also allow the UE to quickly return to the RRC_INACTIVE state after sending small data, thereby reducing UE power consumption.

The invention relates to a 5G downlink RB scheduling device and method for a DSP, and the device comprises a storage module which is used for storing N RB type filling information, N being the number of all combinations of data types which may be placed by 12 REs in one RB; the acquisition module is used for acquiring RB scheduling information, and the RB scheduling information comprises a data arrangement index and addresses of different data types; the data processing module is used for acquiring corresponding RB type filling information from the storage module according to a data arrangement index in the RB scheduling information, acquiring data in corresponding addresses from the RB type filling information according to addresses of different data types, and filling corresponding RE memory output spaces with the data; and the output module is used for outputting the data in the corresponding RE memory output space. The processing efficiency of the vector processor can be improved.

A method for a terminal receiving a signal, according to at least one embodiment among the embodiments disclosed in the present specification, may comprise: receiving, through a physical downlink control channel (PDCCH), downlink control information (DCI) for downlink scheduling; and receiving a physical downlink shared channel (PDSCH) on the basis of the DCI. On the basis that the DCI includes a specific field, the terminal may select, on the basis of the specific field, at least one transmission configuration index (TCI) state among a plurality of TCI states maintained in the terminal, and may receive the PDSCH on the basis of the selected at least one TCI state. On the basis that the DCI does not include the specific field, the terminal may receive the PDSCH on the basis of all the plurality of TCI states maintained in the terminal.

The invention discloses a communication method and equipment, which are used for solving the problem of power consumption waste of terminal equipment in a downlink scheduling process in the prior art. The method comprises: a first device determining first control information, the first control information comprising first indication information and second indication information, the first indication information being used for indicating a state of pre-configured resource transmission, the state comprising successful transmission or unsuccessful transmission or scheduling retransmission or retransmission in a pre-configured resource; the second indication information is used for indicating whether the first equipment transmits first information or not, and the first information comprises high-level data and / or reconfiguration information of pre-configured uplink resources; and the first device sends the first control information to a second device. The method and the device provided by the embodiment of the invention can improve the coverage capability of the network, and can be applied to the Internet of Things, such as MTC, IoT, LTE-M, M2M and the like.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive first configuration information indicating a first peak throughput rate associated with a first scheduling mode and a second configuration indication a second peak throughput rate less than the first peak throughput rate associated with a second scheduling mode. The second configuration information may indicate a quantity of gap transmission time intervals (TTIs) between shared data channel transmissions. The UE may receive a control message that schedules a shared data channel transmission during a first TTI in accordance with the second scheduling mode and may monitor the quantity of gap TTIs according to a monitoring configuration. The monitoring configuration may indicate whether to monitor a downlink control channel during the quantity of gap TTIs between shared data channel transmissions.