EP4635224A1 - Procédé et appareil de planification de demande de transmission de ce mac d'état de mémoire tampon sensible au retard - Google Patents

Procédé et appareil de planification de demande de transmission de ce mac d'état de mémoire tampon sensible au retard

Info

Publication number
EP4635224A1
EP4635224A1 EP24741741.3A EP24741741A EP4635224A1 EP 4635224 A1 EP4635224 A1 EP 4635224A1 EP 24741741 A EP24741741 A EP 24741741A EP 4635224 A1 EP4635224 A1 EP 4635224A1
Authority
EP
European Patent Office
Prior art keywords
mac
reporting
delay information
delay
available
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP24741741.3A
Other languages
German (de)
English (en)
Inventor
Anil Agiwal
Sangkyu Baek
Weiping Sun
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP4635224A1 publication Critical patent/EP4635224A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
    • H04W28/0236—Traffic management, e.g. flow control or congestion control based on communication conditions radio quality, e.g. interference, losses or delay
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0278—Traffic management, e.g. flow control or congestion control using buffer status reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows

Definitions

  • the disclosure relates generally to wireless communication systems and, more specifically, the disclosure relates to a method and an apparatus for scheduling request for delay aware buffer status medium access control (MAC) control element (CE) transmission.
  • MAC medium access control
  • CE control element
  • 5G mobile communication technologies define broad frequency bands such that high transmission rates and new services are possible, and can be implemented not only in “Sub 6GHz” bands such as 3.5GHz, but also in “Above 6GHz” bands referred to as mmWave including 28GHz and 39GHz.
  • 6G mobile communication technologies referred to as Beyond 5G systems
  • terahertz bands for example, 95GHz to 3THz bands
  • IIoT Industrial Internet of Things
  • IAB Integrated Access and Backhaul
  • DAPS Dual Active Protocol Stack
  • 5G baseline architecture for example, service based architecture or service based interface
  • NFV Network Functions Virtualization
  • SDN Software-Defined Networking
  • MEC Mobile Edge Computing
  • multi-antenna transmission technologies such as Full Dimensional MIMO (FD-MIMO), array antennas and large-scale antennas, metamaterial-based lenses and antennas for improving coverage of terahertz band signals, high-dimensional space multiplexing technology using OAM (Orbital Angular Momentum), and RIS (Reconfigurable Intelligent Surface), but also full-duplex technology for increasing frequency efficiency of 6G mobile communication technologies and improving system networks, AI-based communication technology for implementing system optimization by utilizing satellites and AI (Artificial Intelligence) from the design stage and internalizing end-to-end AI support functions, and next-generation distributed computing technology for implementing services at levels of complexity exceeding the limit of UE operation capability by utilizing ultra-high-performance communication and computing resources.
  • FD-MIMO Full Dimensional MIMO
  • OAM Organic Angular Momentum
  • RIS Reconfigurable Intelligent Surface
  • the disclosure may provide to a method and an apparatus for scheduling request for delay aware buffer status MAC CE transmission.
  • a method performed by a user equipment (UE) in a communication system is provided.
  • the method includes: identifying that reporting of delay information associated with buffered data is triggered; identifying whether uplink shared channel (UL-SCH) resources are available for a new transmission, and the UL-SCH resources are available to accommodate (i) a medium access control (MAC) control element (CE) for the reporting of delay information and (ii) a subheader of the MAC CE for the reporting of delay information; generating the MAC CE for the reporting of delay information, in case that the UL-SCH resources are available for the new transmission, and the UL-SCH resources are available to accommodate the MAC CE for the reporting of delay information and the subheader of the MAC CE; and transmitting, to a base station, the MAC CE for the reporting of delay information.
  • MAC medium access control
  • the method further includes in case that the UL-SCH resources are unavailable for the new transmission, or the UL-SCH resources are unavailable to accommodate the MAC CE for the reporting of delay information and the subheader of the MAC CE, triggering a scheduling request (SR).
  • SR scheduling request
  • the method further includes in case that (i) all data associated with the reporting of delay information is transmitted or (ii) a MAC protocol data unit (PDU) is transmitted and the MAC PDU includes a MAC CE including the delay information, cancelling the SR which is pending; and stopping sr-ProhibitTimer which is running.
  • PDU MAC protocol data unit
  • whether the UL-SCH resources are available for the new transmission and the UL-SCH resources are available to accommodate the MAC CE for the reporting of delay information and the subheader for the MAC CE is identified, in case that the triggered reporting of delay information is not cancelled.
  • whether the UL-SCH resources are available to accommodate the MAC CE for the reporting of the delay information and the subheader for the MAC CE is identified as a result of logical channel prioritization.
  • the MAC CE for the reporting of delay information includes remaining time associated with the buffered data.
  • a user equipment (UE) in a communication system is provided.
  • the UE includes a transceiver and a processor coupled with the transceiver and configured to: identify that reporting of delay information associated with buffered data is triggered; identify whether uplink shared channel (UL-SCH) resources are available for a new transmission, and the UL-SCH resources are available to accommodate (i) a medium access control (MAC) control element (CE) for the reporting of delay information and (ii) a subheader of the MAC CE for the reporting of delay information; generate the MAC CE for the reporting of delay information, in case that the UL-SCH resources are available for the new transmission, and the UL-SCH resources are available to accommodate the MAC CE for the reporting of delay information and the subheader of the MAC CE; and transmit, to a base station, the MAC CE for the reporting of delay information.
  • UL-SCH uplink shared channel
  • CE medium access control element
  • the processor is further configured to in case that the UL-SCH resources are unavailable for the new transmission, or the UL-SCH resources are unavailable to accommodate the MAC CE for the reporting of delay information and the subheader of the MAC CE, trigger a scheduling request (SR).
  • SR scheduling request
  • the processor is further configured to in case that (i) all data associated with the reporting of delay information is transmitted or (ii) a MAC protocol data unit (PDU) is transmitted and the MAC PDU includes a MAC CE including the delay information, cancel the SR which is pending; and stop sr-ProhibitTimer which is running.
  • PDU MAC protocol data unit
  • whether the UL-SCH resources are available for the new transmission and the UL-SCH resources are available to accommodate the MAC CE for the reporting of delay information and the subheader for the MAC CE is identified, in case that the triggered reporting of delay information is not cancelled.
  • the MAC CE for the reporting of delay information includes remaining time associated with the buffered data.
  • a method performed by a base station in a communication system is provided.
  • the method includes: transmitting, to a user equipment (UE), a radio resource control (RRC) message including configuration information associated with reporting of delay information associated with buffered data; and receiving, from the UE, a medium access control (MAC) control element (CE) for the reporting of delay information based on uplink shared channel (UL-SCH) resources, in case that the UL-SCH resources are available for a new transmission of the UE and the UL-SCH resources are available to accommodate the MAC CE for the reporting of delay information and (ii) a subheader of the MAC CE for the reporting of delay information.
  • RRC radio resource control
  • CE medium access control element
  • the method further includes in case that the UL-SCH resources are unavailable for the new transmission, or the UL-SCH resources are unavailable to accommodate the MAC CE for the reporting of delay information and the subheader of the MAC CE, receiving a scheduling request (SR).
  • SR scheduling request
  • a base station in a communication system is provided.
  • the disclosure may provide to a method and an apparatus for scheduling request for delay aware buffer status MAC CE transmission.
  • Figure 1 illustrates an example method performed by a UE according to an embodiment of the disclosure
  • Figure 2 illustrates an example method performed by a UE according to an embodiment of the disclosure
  • FIG. 3 illustrates an electronic device according to embodiments of the disclosure.
  • Figure 4 illustrates a base station according to embodiments of the disclosure.
  • various functions described below can be implemented or supported by one or more computer programs, each of which is formed from computer readable program code and embodied in a computer readable medium.
  • application and “program” refer to one or more computer programs, software components, sets of instructions, procedures, functions, objects, classes, instances, related data, or a portion thereof adapted for implementation in a suitable computer readable program code.
  • computer readable program code includes any type of computer code, including source code, object code, and executable code.
  • computer readable medium includes any type of medium capable of being accessed by a computer, such as read only memory (ROM), random access memory (RAM), a hard disk drive, a compact disc (CD), a digital video disc (DVD), or any other type of memory.
  • ROM read only memory
  • RAM random access memory
  • CD compact disc
  • DVD digital video disc
  • a "non-transitory” computer readable medium excludes wired, wireless, optical, or other communication links that transport transitory electrical or other signals.
  • a non-transitory computer readable medium includes media where data can be permanently stored and media where data can be stored and later overwritten, such as a rewritable optical disc or an erasable memory device.
  • blocks of a flowchart (or sequence diagram) and a combination of flowcharts may be represented and executed by computer program instructions.
  • These computer program instructions may be loaded on a processor of a general purpose computer, special purpose computer, or programmable data processing equipment. When the loaded program instructions are executed by the processor, they create a means for carrying out functions described in the flowchart. Because the computer program instructions may be stored in a computer readable memory that is usable in a specialized computer or a programmable data processing equipment, it is also possible to create articles of manufacture that carry out functions described in the flowchart. Because the computer program instructions may be loaded on a computer or a programmable data processing equipment, when executed as processes, they may carry out operations of functions described in the flowchart.
  • a block of a flowchart may correspond to a module, a segment, or a code containing one or more executable instructions implementing one or more logical functions, or may correspond to a part thereof.
  • functions described by blocks may be executed in an order different from the listed order. For example, two blocks listed in sequence may be executed at the same time or executed in reverse order.
  • unit may refer to a software component or hardware component, such as, for example, a field-programmable gate array (FPGA) or an application-specific integrated circuit (ASIC) capable of carrying out a function or an operation.
  • a unit, or the like is not limited to hardware or software.
  • a unit, or the like may be configured so as to reside in an addressable storage medium or to drive one or more processors.
  • Units, or the like may refer to software components, object-oriented software components, class components, task components, processes, functions, attributes, procedures, subroutines, program code segments, drivers, firmware, microcode, circuits, data, databases, data structures, tables, arrays or variables.
  • a function provided by a component and unit may be a combination of smaller components and units, and may be combined with others to compose larger components and units.
  • Components and units may be configured to drive a device or one or more processors in a secure multimedia card.
  • the “base station (BS)” is an entity communicating with a user equipment (UE) and may be referred to as BS, base transceiver station (BTS), node B (NB), evolved NB (eNB), access point (AP), 5G NB (5gNB), or gNB.
  • BTS base transceiver station
  • NB node B
  • eNB evolved NB
  • AP access point
  • 5gNB 5G NB
  • gNB 5G NB
  • the "UE” is an entity communicating with a BS and may be referred to as UE, device, mobile station (MS), mobile equipment (ME), or terminal.
  • the 5G or pre-5G communication system is also called a 'Beyond 4G Network' or a 'Post long term evolution (LTE) System'.
  • the 5G communication system is considered to be implemented in higher frequency (mmWave) bands, e.g., 60GHz bands, so as to accomplish higher data rates.
  • mmWave e.g., 60GHz bands
  • MIMO massive multiple-input multiple-output
  • FD-MIMO Full Dimensional MIMO
  • array antenna an analog beam forming, large scale antenna techniques are discussed in 5G communication systems.
  • RANs Cloud Radio Access Networks
  • D2D device-to-device
  • CoMP Coordinated Multi-Points
  • FQAM Quadrature Amplitude Modulation
  • SWSC sliding window superposition coding
  • ACM advanced coding modulation
  • FBMC filter bank multi carrier
  • NOMA non-orthogonal multiple access
  • SCMA sparse code multiple access
  • the Internet which is a human centered connectivity network where humans generate and consume information
  • IoT Internet of Things
  • IoE Internet of Everything
  • sensing technology “wired/wireless communication and network infrastructure”, “service interface technology”, and “Security technology”
  • M2M Machine-to-Machine
  • MTC Machine Type Communication
  • IoT Internet technology services
  • IoT may be applied to a variety of fields including smart home, smart building, smart city, smart car or connected cars, smart grid, health care, smart appliances and advanced medical services through convergence and combination between existing Information Technology (IT) and various industrial applications.
  • IT Information Technology
  • 5G communication systems to IoT networks.
  • technologies such as a sensor network, Machine Type Communication (MTC), and Machine-to-Machine (M2M) communication may be implemented by beamforming, MIMO, and array antennas.
  • MTC Machine Type Communication
  • M2M Machine-to-Machine
  • Application of a cloud Radio Access Network (RAN) as the above-described Big Data processing technology may also be considered to be as an example of convergence between the 5G technology and the IoT technology.
  • RAN Radio Access Network
  • Carrier aggregation (CA)/Multi-connectivity in fifth generation wireless communication system is described.
  • the fifth generation wireless communication system supports standalone mode of operation as well dual connectivity (DC).
  • DC a multiple reception/transmission (Rx/Tx) user equipment (UE) may be configured to utilize resources provided by two different nodes (or node-Bs (NBs)) connected via non-ideal backhaul.
  • NBs node-Bs
  • One node acts as the Master Node (MN) and the other as the Secondary Node (SN).
  • MN Master Node
  • SN Secondary Node
  • the MN and SN are connected via a network interface and at least the MN is connected to the core network.
  • NR also supports Multi-RAT Dual Connectivity (MR-DC) operation whereby a UE in RRC_CONNECTED is configured to utilize radio resources provided by two distinct schedulers, located in two different nodes connected via a non-ideal backhaul and providing either Evolved Universal Terrestrial Radio Access (E-UTRA) (i.e. if the node is an next generation evolved Node-B (ng-eNB)) or NR access (i.e. if the node is a gNB).
  • E-UTRA Evolved Universal Terrestrial Radio Access
  • ng-eNB next generation evolved Node-B
  • NR access i.e. if the node is a gNB
  • MCG Master Cell Group
  • SCG Secondary Cell Group
  • PSCell primary secondary cell
  • SCell secondary cell
  • SCell is a cell providing additional radio resources on top of Special Cell.
  • PSCell refers to a serving cell in SCG in which the UE performs random access when performing the Reconfiguration with Sync procedure.
  • Special Cell refers to the PCell of the MCG or the PSCell of the SCG, otherwise the term Special Cell refers to the PCell.
  • Random access in fifth generation wireless communication system is described.
  • random access RA
  • Random access is used to achieve uplink (UL) time synchronization.
  • RA is used during initial access, handover, radio resource control (RRC) connection re-establishment procedure, scheduling request (SR) transmission, secondary cell group (SCG) addition/modification, beam failure recovery and data or control information transmission in UL by a non-synchronized UE in RRC CONNECTED state.
  • RRC radio resource control
  • SR scheduling request
  • SCG secondary cell group
  • beam failure recovery data or control information transmission in UL by a non-synchronized UE in RRC CONNECTED state.
  • Several types of random access procedure is supported such as contention based random access, contention free random access and each of these can be one of 2 step random access or 4 step random access.
  • Bandwidth part (BWP) operation in fifth generation wireless communication system is described.
  • bandwidth adaptation BA
  • the receive and transmit bandwidth of a UE need not be as large as the bandwidth of the cell and can be adjusted: the width can be ordered to change (e.g. to shrink during period of low activity to save power); the location can be moved in the frequency domain (e.g. to increase scheduling flexibility); and the subcarrier spacing can be ordered to change (e.g. to allow different services).
  • a subset of the total cell bandwidth of a cell is referred to as a Bandwidth Part (BWP).
  • BWP Bandwidth Part
  • BA is achieved by configuring a RRC connected UE with BWP(s) and telling the UE which of the configured BWPs is currently the active one.
  • the UE When BA is configured, the UE only has to monitor physical downlink control channel (PDCCH) on the one active BWP i.e. it does not have to monitor PDCCH on the entire downlink (DL) frequency of the serving cell.
  • PDCCH physical downlink control channel
  • a UE In RRC connected state, a UE is configured with one or more DL and UL BWPs, for each configured Serving Cell (i.e. PCell or SCell). For an activated Serving Cell, there is always one active UL and DL BWP at any point in time.
  • the BWP switching for a Serving Cell is used to activate an inactive BWP and deactivate an active BWP at a time.
  • the BWP switching is controlled by the PDCCH indicating a downlink assignment or an uplink grant, by the bwp-InactivityTimer, by RRC signaling, or by the MAC entity itself upon initiation of Random Access procedure.
  • At least one of the DL BWP indicated by firstActiveDownlinkBWP-Id and the UL BWP indicated by firstActiveUplinkBWP-Id is active without receiving PDCCH indicating a downlink assignment or an uplink grant.
  • the active BWP for a Serving Cell is indicated by either RRC or PDCCH.
  • a DL BWP is paired with a UL BWP, and BWP switching is common for both UL and DL.
  • the UE Upon expiry of BWP inactivity timer, the UE switch to the active DL BWP to the default DL BWP or initial DL BWP (if default DL BWP is not configured).
  • RRC states in fifth generation wireless communication system is described.
  • RRC can be in one of the following states: RRC_IDLE, RRC_INACTIVE, and RRC_CONNECTED.
  • a UE is either in RRC_CONNECTED state or in RRC_INACTIVE state when an RRC connection has been established. If this is not the case, i.e. no RRC connection is established, the UE is in RRC_IDLE state.
  • the RRC states can further be characterized as follows:
  • a UE specific discontinuous reception may be configured by upper layers;
  • the UE monitors Short Messages transmitted with paging radio network temporary identifier (RNTI) (P-RNTI) over downlink control information (DCI); monitors a Paging channel for core network (CN) paging using 5G-S-temoprary mobile subscriber identity (5G-S-TMSI); performs neighboring cell measurements and cell (re-)selection; acquires system information (SI) and can send SI request (if configured); performs logging of available measurements together with location and time for logged measurement configured UEs.
  • RTI radio network temporary identifier
  • DCI downlink control information
  • CN core network
  • 5G-S-TMSI 5G-S-temoprary mobile subscriber identity
  • SI system information
  • SI system information
  • a UE specific DRX may be configured by upper layers or by RRC layer; UE stores a UE Inactive Access-Stratum (AS) context; a RAN-based notification area is configured by RRC layer.
  • the UE monitors Short Messages transmitted with P-RNTI over DCI; monitors a Paging channel for CN paging using 5G-S-TMSI and RAN paging using full inactive-RNTI (I-RNTI); performs neighbouring cell measurements and cell (re-)selection; performs RAN-based notification area updates periodically and when moving outside the configured RAN-based notification area; acquires system information and can send SI request (if configured); performs logging of available measurements together with location and time for logged measurement configured UEs.
  • SI-RNTI full inactive-RNTI
  • the UE stores the AS context and transfer of unicast data to/from UE takes place;
  • the UE monitors Short Messages transmitted with P-RNTI over DCI, if configured; monitors control channels associated with the shared data channel to determine if data is scheduled for it; provides channel quality and feedback information; performs neighbouring cell measurements and measurement reporting; acquires system information.
  • PDCCH Physical downlink control channel in fifth generation wireless communication system
  • PDCCH is used to schedule DL transmissions on physical downlink shared channel (PDSCH) and UL transmissions on physical uplink shared channel (PUSCH)
  • DCI Downlink Control Information
  • the Downlink Control Information (DCI) on PDCCH includes at least one of: Downlink assignments containing at least modulation and coding format, resource allocation, and hybrid-automatic repeat request (HARQ or hybrid-ARQ) information related to downlink shared channel (DL-SCH); Uplink scheduling grants containing at least modulation and coding format, resource allocation, and hybrid-ARQ information related to uplink shared channel (UL-SCH).
  • DCI Downlink Control Information
  • PDCCH can be used to for at least one of: Activation and deactivation of configured PUSCH transmission with configured grant; Activation and deactivation of PDSCH semi-persistent transmission; Notifying one or more UEs of the slot format; Notifying one or more UEs of the physical resource block(s) (PRB(s)) and orthogonal frequency division multiplexing (OFDM) symbol(s) where the UE may assume no transmission is intended for the UE; Transmission of transmit power control (TPC) commands for physical uplink control channel (PUCCH) and PUSCH; Transmission of one or more TPC commands for sounding reference signal (SRS) transmissions by one or more UEs; Switching a UE's active bandwidth part; Initiating a random access procedure.
  • TPC transmit power control
  • PUCCH physical uplink control channel
  • SRS sounding reference signal
  • a UE monitors a set of PDCCH candidates in the configured monitoring occasions in one or more configured COntrol REsource SETs (CORESETs) according to the corresponding search space configurations.
  • a CORESET consists of a set of PRBs with a time duration of 1 to 3 OFDM symbols.
  • the resource units Resource Element Groups (REGs) and Control Channel Elements (CCEs) are defined within a CORESET with each CCE consisting a set of REGs.
  • Control channels are formed by aggregation of CCE. Different code rates for the control channels are realized by aggregating different number of CCE. Interleaved and non-interleaved CCE-to-REG mapping are supported in a CORESET.
  • Polar coding is used for PDCCH.
  • Each resource element group carrying PDCCH carries its own demodulation reference signal (DMRS).
  • Quadrature Phase Shift Keying (QPSK) modulation is used for PDCCH.
  • a list of search space configurations is signaled by gNB for each configured BWP of serving cell wherein each search space configuration is uniquely identified by a search space identifier.
  • Search space identifier is unique amongst the BWPs of a serving cell.
  • Identifier of search space configuration to be used for specific purpose such as paging reception, SI reception, random access response reception is explicitly signaled by gNB for each configured BWP.
  • search space configuration comprises of parameters Monitoring-periodicity-PDCCH-slot, Monitoring-offset-PDCCH-slot, Monitoring-symbols-PDCCH-within-slot and duration.
  • a UE determines PDCCH monitoring occasion (s) within a slot using the parameters PDCCH monitoring periodicity (Monitoring-periodicity-PDCCH-slot), the PDCCH monitoring offset (Monitoring-offset-PDCCH-slot), and the PDCCH monitoring pattern (Monitoring-symbols-PDCCH-within-slot).
  • PDCCH monitoring occasions are there in slots 'x' to x+duration where the slot with number 'x' in a radio frame with number 'y' satisfies the equation below:
  • the starting symbol of a PDCCH monitoring occasion in each slot having PDCCH monitoring occasion is given by Monitoring-symbols-PDCCH-within-slot.
  • the length (in symbols) of a PDCCH monitoring occasion is given in the CORESET associated with the search space.
  • Search space configuration includes the identifier of CORESET configuration associated with it.
  • a list of CORESET configurations is signaled by gNB for each configured BWP of serving cell wherein each coreset configuration is uniquely identified by an coreset identifier.
  • CORESET identifier is unique amongst the BWPs of a serving cell.
  • each radio frame is of 10ms duration. Radio frame is identified by a radio frame number or system frame number.
  • Each radio frame comprises of several slots wherein the number of slots in a radio frame and duration of slots depends on sub carrier spacing (SCS).
  • SCS sub carrier spacing
  • Each CORESET configuration is associated with a list of Transmission configuration indicator (TCI) states.
  • TCI Transmission configuration indicator
  • One downlink reference signal (DL RS) identifier (ID) (synchronization signal block (SSB) or channel state information reference signal (CSI RS)) is configured per TCI state.
  • ID downlink reference signal
  • the list of TCI states corresponding to a CORESET configuration is signaled by gNB via RRC signaling.
  • One of the TCI state in TCI state list is activated and indicated to UE by gNB.
  • TCI state indicates the DL TX beam (DL TX beam is quasi co-located (QCLed) with SSB/CSI RS of TCI state) used by gNB for transmission of PDCCH in the PDCCH monitoring occasions of a search space.
  • the gNB can dynamically allocate resources to UEs via the cell-RNTI (C-RNTI) on PDCCH(s).
  • C-RNTI cell-RNTI
  • a UE always monitors the PDCCH(s) in order to find possible assignments when its downlink reception is enabled (activity governed by DRX when configured).
  • CA the same C-RNTI applies to all serving cells.
  • the gNB may pre-empt an ongoing PDSCH transmission to one UE with a latency-critical transmission to another UE.
  • the gNB can configure UEs to monitor interrupted transmission indications using interruption-RNTI (INT-RNTI) on a PDCCH. If a UE receives the interrupted transmission indication, the UE may assume that no useful information to that the UE was carried by the resource elements included in the indication, even if some of those resource elements were already scheduled to this UE.
  • interruption-RNTI interruption-RNTI
  • the gNB can allocate downlink resources for the initial HARQ transmissions to UEs: RRC defines the periodicity of the configured downlink assignments while PDCCH addressed to configured scheduling-RNTI (CS-RNTI) can either signal and activate the configured downlink assignment, or deactivate it; i.e. a PDCCH addressed to CS-RNTI indicates that the downlink assignment can be implicitly reused according to the periodicity defined by RRC, until deactivated. When required, retransmissions are explicitly scheduled on PDCCH(s).
  • CS-RNTI configured scheduling-RNTI
  • the dynamically allocated downlink reception overrides the configured downlink assignment in the same serving cell, if they overlap in time. Otherwise, a downlink reception according to the configured downlink assignment is assumed, if activated.
  • the UE may be configured with up to 8 active configured downlink assignments for a given BWP of a serving cell. When more than one is configured:
  • the network decides which of these configured downlink assignments are active at a time (including all of them).
  • Each configured downlink assignment is activated separately using a DCI command and deactivation of configured downlink assignments is done using a DCI command, which can either deactivate a single configured downlink assignment or multiple configured downlink assignments jointly.
  • the gNB can dynamically allocate resources to UEs via the C-RNTI on PDCCH(s).
  • a UE always monitors the PDCCH(s) in order to find possible grants for uplink transmission when its downlink reception is enabled (activity governed by DRX when configured).
  • CA When CA is configured, the same C-RNTI applies to all serving cells.
  • the gNB may cancel a PUSCH transmission, or a repetition of a PUSCH transmission, or an SRS transmission of a UE for another UE with a latency-critical transmission.
  • the gNB can configure UEs to monitor cancelled transmission indications using cancellation indication-RNTI (CI-RNTI) on a PDCCH. If a UE receives the cancelled transmission indication, the UE shall cancel the PUSCH transmission from the earliest symbol overlapped with the resource or the SRS transmission overlapped with the resource indicated by cancellation.
  • CI-RNTI cancellation indication-RNTI
  • the gNB can allocate uplink resources for the initial HARQ transmissions and HARQ retransmissions to UEs. Two types of configured uplink grants are defined:
  • RRC directly provides the configured uplink grant (including the periodicity).
  • RRC defines the periodicity of the configured uplink grant while PDCCH addressed to CS-RNTI can either signal and activate the configured uplink grant, or deactivate it; i.e. a PDCCH addressed to CS-RNTI indicates that the uplink grant can be implicitly reused according to the periodicity defined by RRC, until deactivated.
  • the dynamically allocated uplink transmission overrides the configured uplink grant in the same serving cell, if they overlap in time. Otherwise, an uplink transmission according to the configured uplink grant is assumed, if activated.
  • the UE prioritizes the transmission based on the comparison between the highest priority of the logical channels that have data to be transmitted and which are multiplexed or can be multiplexed in medium access control (MAC) protocol data units (PDUs) associated with the overlapping resources.
  • MAC medium access control
  • the UE prioritizes the transmission based on the comparison between the priority of the logical channel which triggered the scheduling request and the highest priority of the logical channels that have data to be transmitted and which are multiplexed or can be multiplexed in MAC PDU associated with the overlapping resource.
  • the UE keeps it stored to allow the gNB to schedule a retransmission.
  • the UE may also be configured by the gNB to transmit the stored MAC PDU as a new transmission using a subsequent resource of the same configured uplink grant configuration when an explicit retransmission grant is not provided by the gNB.
  • Retransmissions other than repetitions are explicitly allocated via PDCCH(s) or via configuration of a retransmission timer.
  • the UE may be configured with up to 12 active configured uplink grants for a given BWP of a serving cell. When more than one is configured, the network decides which of these configured uplink grants are active at a time (including all of them). Each configured uplink grant can either be of Type 1 or Type 2. For Type 2, activation and deactivation of configured uplink grants are independent among the serving cells. When more than one Type 2 configured grant is configured, each configured grant is activated separately using a DCI command and deactivation of Type 2 configured grants is done using a DCI command, which can either deactivate a single configured grant configuration or multiple configured grant configurations jointly.
  • the network should ensure that an active configured uplink grant on SUL does not overlap in time with another active configured uplink grant on the other UL configuration.
  • two or more repetitions can be in one slot, or across slot boundary in consecutive available slots with each repetition in one slot.
  • the number of repetitions can be also dynamically indicated in the layer 1(L1) signaling. The dynamically indicated number of repetitions shall override the RRC configured number of repetitions, if both are present.
  • DRX Discontinuous Reception
  • 5G wireless communication system the PDCCH monitoring activity of the UE in RRC connected mode is governed by DRX, BA and DCI with cyclic redundancy check (CRC) scrambled by power saving-RNTI (PS-RNTI) (DCP).
  • CRC cyclic redundancy check
  • PS-RNTI power saving-RNTI
  • DCP power saving-RNTI
  • DRX is characterized by the following:
  • - on-duration duration that the UE waits for, after waking up, to receive PDCCHs. If the UE successfully decodes a PDCCH, the UE stays awake and starts the inactivity timer;
  • - retransmission-timer duration until a retransmission can be expected
  • - active-time total duration that the UE monitors PDCCH. This includes the "on-duration" of the DRX cycle, the time when the UE is performing continuous reception while the inactivity timer has not expired, and the time when the UE is performing continuous reception while waiting for a retransmission opportunity.
  • Logical channel prioritization in fifth generation wireless communication system is described.
  • the UE has an uplink rate control function which manages the sharing of uplink resources between logical channels.
  • RRC controls the uplink rate control function by giving each logical channel a priority, a prioritized bit rate (PBR), and a buffer size duration (BSD).
  • PBR prioritized bit rate
  • BSD buffer size duration
  • mapping restrictions can be configured.
  • LCP restrictions in MAC RRC can restrict the mapping of a logical channel to a subset of the configured cells, numerologies, PUSCH transmission durations, configured grant configurations and control whether a logical channel can utilise the resources allocated by a Type 1 Configured Grant or whether a logical channel can utilise dynamic grants indicating a certain physical priority level.
  • the uplink rate control function ensures that the UE serves the logical channel(s) in the following sequence:
  • the first step is skipped and the logical channels are served in strict priority order: the UE maximizes the transmission of higher priority data.
  • mapping restrictions tell the UE which logical channels are relevant for the grant received. If no mapping restrictions are configured, all logical channels are considered.
  • the UE shall serve them equally.
  • BSR Buffer Status Reporting in fifth generation wireless communication system
  • BSR procedure is used to provide the serving gNB with information about UL data volume in the MAC entity.
  • RRC configures the following parameters to control the BSR:
  • Each logical channel may be allocated to a logical channel group (LCG) using the logicalChannelGroup .
  • the maximum number of LCGs is eight.
  • a BSR shall be triggered if any of the following events occur:
  • this UL data belongs to a logical channel with higher priority than the priority of any logical channel containing available UL data which belong to any LCG;
  • the MAC entity For BSR triggered by retxBSR-Timer expiry, the MAC entity considers that the logical channel that triggered the BSR is the highest priority logical channel that has data available for transmission at the time the BSR is triggered.
  • the MAC entity shall:
  • a MAC PDU shall contain at most one BSR MAC CE, even when multiple events have triggered a BSR.
  • the Regular BSR and the Periodic BSR shall have precedence over the padding BSR.
  • the MAC entity shall restart retxBSR-Timer upon reception of a grant for transmission of new data on any UL-SCH.
  • All triggered BSRs may be cancelled when the UL grant(s) can accommodate all pending data available for transmission but is not sufficient to additionally accommodate the BSR MAC CE plus its subheader. All BSRs triggered prior to MAC PDU assembly shall be cancelled when a MAC PDU is transmitted and this PDU includes a Long or Short BSR MAC CE which contains buffer status up to (and including) the last event that triggered a BSR prior to the MAC PDU assembly.
  • a base station refers to an entity that allocates resources to a terminal, and may be at least one of a gNode B, a gNB, an eNode B, a node B, a base station (BS), a radio access unit, a base station controller, or a node on a network.
  • a terminal may include user equipment (UE), a mobile station (MS), a cellular phone, a smart phone, a computer, or a multimedia system capable of performing a communication function.
  • LCH ⁇ logical channel (LCH) identifier
  • the UE triggers the SR for delay-aware buffer status reporting (109).
  • the SR may be transmitted on PUCCH resource using the SR configuration for (delay-aware) buffer status reporting or if valid PUCCH resources for SR transmission are not available RACH may be initiated (111).
  • MAC entity in the UE determines whether to trigger SR or not according to the following operation:
  • Figure 2 illustrates an example method performed by a UE according to an embodiment of the disclosure.
  • Figure 2 illustrates a method according to option 2 for the SR trigger for delay-aware buffer status reporting according to an embodiment of the disclosure.
  • Various modifications may be made to the method illustrated in the flowcharts of Figure 2. For example, although shown as a series of operations, various operations in each figure may overlap, occur in parallel, occur in a different order, or occur multiple times. In other examples, operations may be omitted or replaced with other operations.
  • the UE is configured/allowed to transmit delay-aware buffer status by gNB via RRCReconfiguration message (i.e. higher layer signaling) (201).
  • the UE determines/identifies that delay aware buffer status is triggered (203).
  • the UE determines/identifies whether UL-SCH resources are available for a new transmission within a timer interval (i.e. not later than a threshold since the trigger) and if the UL-SCH resources can accommodate the delay-aware buffer status MAC CE and its subheader as a result of LCP (205). If the UL-SCH resources can accommodate the delay-aware buffer status MAC CE and its subheader as a result of LCP, the UE generates the delay-aware buffer status MAC CE (207).
  • the UE triggers the SR for delay-aware buffer status reporting (209).
  • the SR may transmitted on PUCCH resource using the SR configuration for (delay-aware) buffer status reporting or if valid PUCCH resources for SR transmission are not available RACH may be initiated (211).
  • MAC entity in the UE determines whether to trigger SR or not according to the following operation:
  • UL-SCH resources are available for a new transmission within a timer interval (i.e. not later than a threshold since the trigger) and if the UL-SCH resources can accommodate the delay-aware buffer status MAC CE (new MAC CE or the delay aware buffer status MAC CE or MAC CE including the delay knowledge of buffered data e.g. remaining time and distinguishing how much data is buffered for which delay) plus its subheader as a result of LCP (205):
  • the threshold may be signalled by gNB in RRC message (e.g. system information (SI) or RRCReconfiguration message) or may be pre-defined.
  • RRC message e.g. system information (SI) or RRCReconfiguration message
  • SR configuration for delay-aware buffer status reporting is signalled by network in RRCReconfiguration.
  • MAC-CellGroupConfig information element (IE) in RRCReconfiguration message may include scheduling request ID which identifies the Scheduling Request configuration from a list of Scheduling Request configurations and the Scheduling Request Resource configuration from a list of Scheduling Request Resource configurations to be used for transmitting SR for delay-aware buffer status reporting:
  • Scheduling Request configuration includes at least one of sr-ProhibitTimer (i.e. a timer for SR transmission on PUCCH) or sr-TransMax (i.e. the maximum number of SR transmissions)
  • Scheduling Request Resource configuration includes PUCCH resources.
  • SR is transmitted in PUCCH resource signaled in Scheduling Request Resource configuration identified by schedulingRequestID-DelayAwareBSR-r18.
  • sr-ProhibitTimer and sr-TransMax signaled in Scheduling Request configuration identified by schedulingRequestID-DelayAwareBSR-r18 is applied to SR procedure triggered for delay-aware buffer status reporting.
  • SR configuration for delay-aware buffer status reporting is signalled by network in RRCReconfiguration.
  • LogicalChannelConfig IE in RRCReconfiguration message may include scheduling request ID which identifies the Scheduling Request configuration from a list of Scheduling Request configurations and the Scheduling Request Resource configuration from a list of Scheduling Request Resource configurations to be used for transmitting SR for delay-aware buffer status reporting:
  • Scheduling Request configuration includes at least one of sr-ProhibitTimer or sr-TransMax
  • Scheduling Request Resource configuration includes PUCCH resources.
  • SR is transmitted in PUCCH resource signaled in Scheduling Request Resource configuration identified by schedulingRequestID-DelayAwareBSR-r18 in logical channel configuration of LCH which triggered the SR.
  • Scheduling Request Resource configuration identified by schedulingRequestID-DelayAwareBSR-r18 in logical channel configuration of LCH which triggered the SR.
  • sr-ProhibitTimer and sr-TransMax signalled in Scheduling Request configuration identified by schedulingRequestID-DelayAwareBSR-r18 in logical channel configuration of LCH which triggered the SR is applied to SR procedure triggered for delay-aware buffer status reporting.
  • Option 3 In another method of the disclosure, SR configuration for delay-aware buffer status reporting is same as the one signalled by network (i.e. gNB) in RRCReconfiguration for BSR.
  • Option 4 In another method of the disclosure, if SR configuration for delay-aware buffer status reporting is not signalled, UE applies the SR configuration signalled for BSR as the SR configuration for delay-aware buffer status reporting.
  • Option 5 In another method of the disclosure, if SR configuration for delay-aware buffer status reporting is not signalled, upon triggering SR for delay-aware buffer status reporting, UE initiates RACH.
  • Option 6 In another method of the disclosure, if SR configuration for delay-aware buffer status reporting is not signalled, UE does not trigger SR for delay-aware buffer status reporting. Triggering procedure may be as follows:
  • UL-SCH resources are available for a new transmission and if the UL-SCH resources can accommodate the delay-aware buffer status MAC CE (new MAC CE or the delay aware buffer status MAC CE or MAC CE including the delay knowledge of buffered data e.g. remaining time and distinguishing how much data is buffered for which delay) plus its subheader as a result of LCP:
  • 3> instruct the Multiplexing and Assembly procedure to generate the delay-aware buffer status MAC CE (new MAC CE or the delay aware buffer status MAC CE or MAC CE including the delay knowledge of buffered data e.g. remaining time and distinguishing how much data is buffered for which delay).
  • UL-SCH resources are available for a new transmission within a timer interval (i.e. not later than a threshold since the trigger) and if the UL-SCH resources can accommodate the delay-aware buffer status MAC CE (new MAC CE or the delay aware buffer status MAC CE or MAC CE including the delay knowledge of buffered data e.g. remaining time and distinguishing how much data is buffered for which delay) plus its subheader as a result of LCP:
  • 3> instruct the Multiplexing and Assembly procedure to generate the delay-aware buffer status (new MAC CE or the delay aware buffer status MAC CE or MAC CE including the delay knowledge of buffered data e.g. remaining time and distinguishing how much data is buffered for which delay).
  • the MAC PDU includes delay-aware buffer status reporting MAC CE (new MAC CE or the delay aware buffer status MAC CE or MAC CE including the delay knowledge of buffered data e.g. remaining time and distinguishing how much data is buffered for which delay):
  • All pending SR(s) for delay-aware buffer status reporting shall be cancelled and each respective sr-ProhibitTimer shall be stopped when the UL grant(s) can accommodate all pending data available for transmission.
  • All pending SR(s) for delay-aware buffer status reporting shall be cancelled and each respective sr-ProhibitTimer shall be stopped when the UL grant(s) can accommodate all pending data to be reported by the triggered delay-aware buffer status report MAC CE (new MAC CE or the delay aware buffer status MAC CE or MAC CE including the delay knowledge of buffered data e.g. remaining time and distinguishing how much data is buffered for which delay).
  • All pending SR(s) for delay-aware buffer status reporting shall be cancelled and each respective sr-ProhibitTimer shall be stopped when there is no data to be reported by delay-aware buffer status report MAC CE (new MAC CE or the delay aware buffer status MAC CE or MAC CE including the delay knowledge of buffered data e.g. remaining time and distinguishing how much data is buffered for which delay).
  • the MAC entity stops, if any, ongoing Random Access procedure due to a pending SR for delay-aware buffer status reporting, which has no valid PUCCH resources configured, if:
  • a MAC PDU is transmitted using a UL grant other than a UL grant provided by Random Access Response or a UL grant determined for the transmission of the message A (MSGA) payload, and this PDU includes a delay-aware buffer status reporting MAC CE which contains delay aware buffer status up to (and including) the last event that triggered a delay-aware buffer status reporting prior to the MAC PDU assembly; or
  • the UL grant(s) can accommodate all pending data available for transmission.
  • PUCCH resource There are several types of PUCCH resource, for example:
  • PUCCH resources for Delay aware buffer status reporting overlaps (e.g. in time domain, frequency resource may still be separate) with PUCCH resources for any other pending SR:
  • ⁇ PUCCH resources for Delay aware buffer status reporting is prioritized and UE transmits SR for Delay aware buffer status reporting
  • ⁇ PUCCH resources for Delay aware buffer status reporting is prioritized and UE transmits SR for Delay aware buffer status reporting
  • ⁇ PUCCH resources for BFD-RS set of serving cell is prioritized and UE transmits SR for BFR of BFD-RS set of serving cell
  • ⁇ PUCCH resources for BFD-RS set of serving cell is prioritized and UE transmits SR for BFR of BFD-RS set of SpCell
  • ⁇ PUCCH resources for LBT failure of serving cell is prioritized and UE transmits SR for LBT failure
  • ⁇ PUCCH resources for LBT failure of serving cell is prioritized and UE transmits SR for LBT failure of SpCell
  • FIG. 3 illustrates an electronic device according to embodiments of the present disclosure.
  • the electronic device 300 may include a processor 310, a transceiver 320 and a memory 330. However, all of the illustrated components are not essential. The electronic device 300 may be implemented by more or less components than those illustrated in Figure 3. In addition, the processor 310 and the transceiver 320 and the memory 330 may be implemented as a single chip according to another embodiment.
  • the electronic device 300 may correspond to the UE described above.
  • the processor 310 may include one or more processors or other processing devices that control the proposed function, process, and/or method. Operation of the electronic device 300 may be implemented by the processor 310.
  • the transceiver 320 may include a RF transmitter for up-converting and amplifying a transmitted signal, and a RF receiver for down-converting a frequency of a received signal.
  • the transceiver 320 may be implemented by more or less components than those illustrated in components.
  • the transceiver 320 may be connected to the processor 310 and transmit and/or receive a signal.
  • the signal may include control information and data.
  • the transceiver 320 may receive the signal through a wireless channel and output the signal to the processor 310.
  • the transceiver 320 may transmit a signal output from the processor 310 through the wireless channel.
  • the memory 330 may store the control information or the data included in a signal obtained by the electronic device 300.
  • the memory 330 may be connected to the processor 310 and store at least one instruction or a protocol or a parameter for the proposed function, process, and/or method.
  • the memory 330 may include read-only memory (ROM) and/or random access memory (RAM) and/or hard disk and/or CD-ROM and/or DVD and/or other storage devices.
  • Figure 4 illustrates a base station according to embodiments of the present disclosure.
  • the base station 400 may include a processor 410, a transceiver 420 and a memory 430. However, all of the illustrated components are not essential. The base station 400 may be implemented by more or less components than those illustrated in Figure 4. In addition, the processor 410 and the transceiver 420 and the memory 430 may be implemented as a single chip according to another embodiment.
  • the base station 400 may correspond to the gNB described above.
  • the processor 410 may include one or more processors or other processing devices that control the proposed function, process, and/or method. Operation of the base station 400 may be implemented by the processor 410.
  • the transceiver 420 may include a RF transmitter for up-converting and amplifying a transmitted signal, and a RF receiver for down-converting a frequency of a received signal.
  • the transceiver 420 may be implemented by more or less components than those illustrated in components.
  • the transceiver 420 may be connected to the processor 410 and transmit and/or receive a signal.
  • the signal may include control information and data.
  • the transceiver 420 may receive the signal through a wireless channel and output the signal to the processor 410.
  • the transceiver 420 may transmit a signal output from the processor 410 through the wireless channel.
  • the memory 430 may store the control information or the data included in a signal obtained by the base station 400.
  • the memory 430 may be connected to the processor 410 and store at least one instruction or a protocol or a parameter for the proposed function, process, and/or method.
  • the memory 430 may include read-only memory (ROM) and/or random access memory (RAM) and/or hard disk and/or CD-ROM and/or DVD and/or other storage devices.
  • a computer-readable storage medium for storing one or more programs (software modules) may be provided.
  • the one or more programs stored in the computer-readable storage medium may be configured for execution by one or more processors within the electronic device.
  • the at least one program may include instructions that cause the electronic device to perform the methods according to various embodiments of the disclosure as defined by the appended claims and/or disclosed herein.
  • the programs may be stored in non-volatile memories including a random access memory and a flash memory, a read only memory (ROM), an electrically erasable programmable read only memory (EEPROM), a magnetic disc storage device, a compact disc-ROM (CD-ROM), digital versatile discs (DVDs), or other type optical storage devices, or a magnetic cassette.
  • ROM read only memory
  • EEPROM electrically erasable programmable read only memory
  • CD-ROM compact disc-ROM
  • DVDs digital versatile discs
  • any combination of some or all of them may form a memory in which the program is stored.
  • a plurality of such memories may be included in the electronic device.
  • the programs may be stored in an attachable storage device which may access the electronic device through communication networks such as the Internet, Intranet, Local Area Network (LAN), Wide LAN (WLAN), and Storage Area Network (SAN) or a combination thereof.
  • a storage device may access the electronic device via an external port.
  • a separate storage device on the communication network may access a portable electronic device.
  • an element included in the disclosure is expressed in the singular or the plural according to presented detailed embodiments.
  • the singular form or plural form is selected appropriately to the presented situation for the convenience of description, and the disclosure is not limited by elements expressed in the singular or the plural. Therefore, either an element expressed in the plural may also include a single element or an element expressed in the singular may also include multiple elements.
  • any of the above variation embodiments can be utilized independently or in combination with at least one other variation embodiment.
  • the above flowchart(s) illustrate example methods that can be implemented in accordance with the principles of the present disclosure and various changes could be made to the methods illustrated in the flowcharts herein. For example, while shown as a series of steps, various steps in each figure could overlap, occur in parallel, occur in a different order, or occur multiple times. In another example, steps may be omitted or replaced by other steps.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La divulgation concerne un système de communication 5G ou 6G permettant de prendre en charge un débit supérieur de transmission de données. Un procédé mis en œuvre par un équipement utilisateur (UE) consiste à : identifier que le rapport d'informations de retard associées à des données mises en mémoire tampon est déclenché; identifier si des ressources de canal partagé de liaison montante (UL-SCH) sont disponibles pour une nouvelle transmission, les ressources UL-SCH étant disponibles pour accueillir (i) un élément de commande (CE) de commande d'accès au support (MAC) pour le rapport d'informations de retard et (ii) un sous-en-tête du CE MAC pour le rapport d'informations de retard; générer le CE MAC pour le rapport d'informations de retard, dans le cas où les ressources UL-SCH sont disponibles pour la nouvelle transmission, les ressources UL-SCH étant disponibles pour accueillir le CE MAC pour le rapport d'informations de retard et le sous-en-tête du CE MAC; et transmettre, à une station de base, le CE MAC pour le rapport d'informations de retard.
EP24741741.3A 2023-01-13 2024-01-12 Procédé et appareil de planification de demande de transmission de ce mac d'état de mémoire tampon sensible au retard Pending EP4635224A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20230005200 2023-01-13
PCT/KR2024/000584 WO2024151120A1 (fr) 2023-01-13 2024-01-12 Procédé et appareil de planification de demande de transmission de ce mac d'état de mémoire tampon sensible au retard

Publications (1)

Publication Number Publication Date
EP4635224A1 true EP4635224A1 (fr) 2025-10-22

Family

ID=91897293

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24741741.3A Pending EP4635224A1 (fr) 2023-01-13 2024-01-12 Procédé et appareil de planification de demande de transmission de ce mac d'état de mémoire tampon sensible au retard

Country Status (2)

Country Link
EP (1) EP4635224A1 (fr)
WO (1) WO2024151120A1 (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9942898B2 (en) * 2016-04-25 2018-04-10 Ofinno Technologies, Llc Uplink transmission in a wireless device and wireless network

Also Published As

Publication number Publication date
WO2024151120A1 (fr) 2024-07-18

Similar Documents

Publication Publication Date Title
WO2022203369A1 (fr) Améliorations de planification destinées à des systèmes de communication sans fil
WO2023153825A1 (fr) Procédé et appareil de transmission et de réception de canaux en mode duplex dans un système de communication sans fil
WO2021096225A1 (fr) Identifiant temporaire de réseau radio à haute capacité flexible
WO2022270964A1 (fr) Procédé et appareil de gestion d'alignement de temporisation d'ul lors de la réception d'un signal de mise à jour d'état de tci dans un système de communication sans fil
WO2024010334A1 (fr) Procédé et appareil de gestion d'informations d'assistance améliorées pour la planification dans un système de communication sans fil
WO2024010333A1 (fr) Procédé amélioré de rapport d'état de tampon
WO2022270909A1 (fr) Système et procédé de surveillance d'indication de radiorecherche précoce
WO2023048493A1 (fr) Procédé et appareil pour radiomessagerie basée sur un sous-groupage de radiomessagerie dans un système de communication sans fil
WO2023003353A1 (fr) Système et procédé de saut de canal pdcch et d'accès aléatoire
WO2024096575A1 (fr) Procédé et appareil de gestion de libération de ressource de cfra pour une mobilité basée sur une signalisation l1 dans un système de communication sans fil
WO2025063657A1 (fr) Procédé et appareil de mobilité déclenchée par couche inférieure dans un système de communication sans fil
WO2024096495A1 (fr) Procédé et appareil d'acquisition de si pour des économies d'énergie de réseau dans un système de communication sans fil
WO2025009889A1 (fr) Procédé et appareil de radiorecherche à la demande dans un système de communication sans fil
WO2024034953A1 (fr) Système et procédé de réception de multidiffusion et de transmission de petites données
WO2023048514A1 (fr) Procédé et appareil pour une opération bwp basée sur un type d'ue dans un système de communication sans fil
WO2022235102A1 (fr) Système et procédé d'activation de groupe de cellules secondaires (scg)
WO2025127539A1 (fr) Procédé et appareil de rapport de faisceau dans un système de communication sans fil
WO2025058379A1 (fr) Procédé et appareil de mobilité déclenchée par couche inférieure vers une cellule prenant en charge de multiples trp dans un système de communication sans fil
WO2024167332A1 (fr) Système et procédé de procédure d'accès aléatoire
WO2023003375A1 (fr) Système et procédé de saut de pdcch et de rétablissement après défaillance de faisceau
WO2023243979A1 (fr) Procédé et appareil pour une transmission et une réception à l'aide d'un octroi configuré dans un système de communication sans fil
WO2024029870A1 (fr) Procédé et appareil permettant de surveiller une indication d'état de fonctionnement
WO2023195817A1 (fr) Appareil et procédé de réception d'informations relatives à la radiomessagerie
WO2024151120A1 (fr) Procédé et appareil de planification de demande de transmission de ce mac d'état de mémoire tampon sensible au retard
WO2024151118A1 (fr) Procédé et appareil de déclenchement et d'annulation d'état de mémoire tampon sensible au retard

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20250714

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR