WO2022194463A1 - Procédés d'adaptation d'une configuration radio et nœuds sans fil associés - Google Patents

Procédés d'adaptation d'une configuration radio et nœuds sans fil associés Download PDF

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Publication number
WO2022194463A1
WO2022194463A1 PCT/EP2022/053495 EP2022053495W WO2022194463A1 WO 2022194463 A1 WO2022194463 A1 WO 2022194463A1 EP 2022053495 W EP2022053495 W EP 2022053495W WO 2022194463 A1 WO2022194463 A1 WO 2022194463A1
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WIPO (PCT)
Prior art keywords
wireless node
information
time
radio channel
layer
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PCT/EP2022/053495
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English (en)
Inventor
Rickard Ljung
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Sony Group Corporation
Sony Europe B.V.
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Application filed by Sony Group Corporation, Sony Europe B.V. filed Critical Sony Group Corporation
Publication of WO2022194463A1 publication Critical patent/WO2022194463A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
    • H04L67/61—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources taking into account QoS or priority requirements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/543—Allocation or scheduling criteria for wireless resources based on quality criteria based on requested quality, e.g. QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • 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 present disclosure pertains to the field of wireless communications.
  • the present disclosure relates to a method for adaptation of a radio configuration applicable to a radio channel between the first wireless node and a second wireless node to meet an application-level performance and related wireless nodes.
  • the 3 rd Generation Partnership Project, 3GPP, systems have a built-in Quality of Service, QoS, framework.
  • QoS Quality of Service
  • 5G the QoS framework is introduced in TS23.501 v15.0.0 “System architecture for the 5G System (5GS)” and onwards.
  • the QoS framework is based on informing and monitoring of high level end-to-end requirements on data characteristics for the network.
  • the QoS framework model is a high level end-2-end management function and has the responsibility of monitoring the data flows in general.
  • the QoS framework cannot manage sub-section specific notifications, such as radio access specific indications and parameters, such as layer-specific notifications, such as network section specific notifications.
  • the service aware technique of QoS framework may be seen as going against the strict OSI-level hierarchy (where OSI stands for Open Systems Interconnection), where different layers (e.g. lower layers for Physical layer, PHY, Medium Access Control, MAC, Radio Link Control RLC, etc.) are not expected to be service aware.
  • OSI Open Systems Interconnection
  • layers e.g. lower layers for Physical layer, PHY, Medium Access Control, MAC, Radio Link Control RLC, etc.
  • a function for application specific request from one application to a 3GPP system, indicating a wish from the application to increase data rate during a p re-determined time has been introduced in TS26.247 v15.0.0 on network assistance for video streaming.
  • This approach is solely for increasing the data rate and the time period of the increase is pre determined to provide a higher priority in the scheduling. This does not allow to be service specific, and to provide timing information which are tailored to the service to be supported.
  • radio access network based signaling approach There is no functionality for a radio access network based signaling approach to indicate a temporary or time-limited preference on the radio link quality towards radio access resources and/or link quality.
  • a method is disclosed, performed by a first wireless node, for adaptation of a radio configuration applicable to a radio channel between the first wireless node and a second wireless node to meet an application-level performance.
  • the method comprises transmitting, via signaling on a first layer, to the second wireless node, information indicative of a time-limited performance requirement of an upper layer higher than the first layer.
  • An upper layer may be seen as a layer higher than the first layer carrying the information.
  • the information can enable the second wireless node to apply a radio channel configuration in accordance with the time-limited performance requirement.
  • the radio channel configuration can be applicable at one or more layers lower than the upper layer.
  • the method comprises communicating, with the second wireless node, in accordance with the radio channel configuration.
  • a first wireless node comprising memory circuitry, processor circuitry, and a wireless interface.
  • the first wireless node is configured to perform any of the methods disclosed herein.
  • the disclosed method and the disclosed first wireless node may provide an improved service awareness in a radio access network without immediate breakage of the OSI layers.
  • the disclosed method and the disclosed first wireless node allow to transmit information indicative of a time-limited or temporary change in radio link quality, using e.g. low layer communication, such as physical layer signaling, wherein the temporary or time-limited change is required for meeting a performance requirement at a higher layer. This may lead to an improved QoS performance also for time-limited performance requirements.
  • the disclosed technique permits a cross-layer optimization to meet upper layer performance requirements.
  • the method comprises receiving, via signalling on a first layer, from the first wireless node, information indicative of a time-limited performance requirement of an upper layer higher than the first layer.
  • the method comprises applying, in communication with the first wireless node, a radio channel configuration considering the time-limited performance requirement, wherein the radio channel configuration is applicable at one or more layers lower than the upper layer.
  • a second wireless node comprising memory circuitry, processor circuitry, and a wireless interface.
  • the second wireless node is configured to perform any of the methods disclosed herein.
  • the disclosed method and the disclosed second wireless node may provide an improved service awareness in a radio access network without immediate breakage of the OSI layered. This may be seen as a dynamic service awareness into radio access networks based on an application performance requirement.
  • Fig. 1 is a diagram illustrating an example wireless communication system according to this disclosure
  • Fig. 2 is a signalling diagram illustrating an example signalling for adapting uplink communication between the first wireless node and the second wireless node according to one or more examples of this disclosure
  • Fig. 3 is a signalling diagram illustrating an example signalling for adapting downlink communication between the first wireless node and the second wireless node according to one or more examples of this disclosure
  • Fig. 4 is a flow-chart illustrating an example method, performed by a first wireless node, for adaptation of a radio configuration applicable to a radio channel between the first wireless node and a second wireless node to meet an application-level performance according to this disclosure;
  • Fig. 5 is a flow-chart illustrating an example method, performed by a second wireless node, for adaptation of a radio configuration applicable to a radio channel between the second wireless node and a first wireless node according to this disclosure;
  • Fig. 6 is a block diagram illustrating an example first wireless node according to this disclosure.
  • Fig. 7 is a block diagram illustrating an example second wireless node according to this disclosure.
  • Figs. 8A-8B are diagrams illustrating example available aggregated data rates D for the first wireless node in time.
  • Fig. 1 is a diagram illustrating an example wireless communication system 1 comprising an example second wireless node and an example first wireless node according to this disclosure.
  • the present disclosure relates to a wireless communication system 1 comprising a cellular system, for example, a 3GPP wireless communication system.
  • the wireless communication system 1 comprises second wireless node and an example first wireless node.
  • the wireless communication system 1 may comprise a core network node 600.
  • a core network, CN, node disclosed herein refers to a network node operating in the core network, such as in the Evolved Packet Core Network, EPC, and/or a 5G Core Network, 5GC. Examples of CN nodes in EPC include a Mobility Management Entity, MME.
  • a wireless node disclosed herein may be seen as a node that is configured for wireless communication in a wireless communication system.
  • the wireless node is a wireless device.
  • a wireless device may refer to a mobile device and/or a user equipment, UE.
  • the wireless node is a network node.
  • a network node disclosed herein refers to a radio access network node operating in the radio access network, such as a base station, an evolved Node B, eNB, gNB in NR.
  • the RAN node is a functional unit which may be distributed in several physical units.
  • the first wireless node 300 disclosed herein is a wireless device and the second wireless node 400 is a network node, as illustrated in Fig. 1.
  • the first wireless node 300 may be configured to communicate with the second wireless node 400 via a wireless link (or radio access link) 10.
  • the wireless communication system 1 may comprise an additional wireless node, such as wireless node 300A, configured to communicate with the second wireless node 400 via link 10A.
  • an additional wireless node such as wireless node 300A, configured to communicate with the second wireless node 400 via link 10A.
  • the core network node 600 is configured to communicate with the second wireless node 400, e.g. via link 12.
  • Performance requirements may vary significantly in time. Performance requirements may also vary based on the service supported and/or the application running at a wireless device or first wireless node.
  • the performance requirements may be time-limited. However the network is not informed about the time- limited nature of the performance requirement and may trigger a change of e.g. user plane that may end up being detrimental (illustrated in Figs. 8A-8B) to the wireless device or first wireless node, and other nodes in a cell.
  • the disclosure attempts to address this situation by a radio access network based signaling approach to indicate a temporary or time-limited performance requirement that may impact the radio link so as to meet the time-limited performance requirement.
  • the disclosure may be seen as providing application-based indications into specific parts and/or specific subsections of the end-to-end link in order to handle specific temporary or time-limited needs.
  • the disclosure may be seen as providing information, e.g. control signaling, at a first layer being a lower layer of the mobile communication stack (e.g. physical layer, Layer 1 , link layer, Layer 2 and/or Layer 3) to indicate a temporary or time-limited service level information for one or more transport blocks or for a given time period.
  • the disclosed technique proposes to transmit information indicative of a request to configure the wireless communication towards being able to meet the required service level of an upper layer, if possible. This may imply that the information of the service level indicates that a radio channel configuration should be accommodated towards meeting the time- limited performance requirement of an upper layer. Such radio channel configuration is applicable at a first layer lower than the upper layer.
  • the request may be indicative of a temporary or time-limited change in radio link quality request within low layer communication such as physical layer signaling.
  • the disclosed method may aim at mapping one or more transport blocks or transmission time intervals with a temporary or time-limited variation in the communication needs, e.g. depending on a specific time- limited application or time-limited UE application behavior.
  • the information or control signaling may include requested performance parameters, such as a data rate, a latency indication, a packet loss ratio, a delay variation (jitter value) or similar.
  • the information or control signaling may also include information indicative of timing validity of the request to better integrate service specific requirements and variations into the supported network functionalities.
  • Fig. 2 illustrates an application of the disclosed technique to uplink communication.
  • Fig. 2 is a signalling diagram 500 illustrating an example signalling for adapting uplink communication between the first wireless node and the second wireless node according to an example of this disclosure.
  • the first wireless node 300 transmits, to the second wireless node 400, an uplink control information, UCI, 502 indicative of a buffer status and channel quality indicator.
  • the second wireless node 400 responds with a message 504 indicative of a scheduling of UL data and of handling of the radio link based on UCI 502.
  • the first wireless node 300 transmits, to the second wireless node 400, UL data 506 according to the scheduling.
  • the network or node 400 may only know data buffer size and radio qualities. The network can take decisions of the radio link based on that, which may impact negatively current application specific needs, as illustrated in Fig. 2A.
  • the first wireless node 300 experiences 514 a time-limited performance requirement of an upper layer (e.g. application layer), e.g. to support a service level performance and/or an application level performance.
  • an indicator may come from an upper layer of 300, to indicate a temporary application specific request on the radio link quality so that the network or node 400 can become aware of the temporary or time-limited needs, and can adapt the radio link handling and scheduling accordingly.
  • Quality of Service, QoS, levels and/or QoS classes in an upper layer (such as layer 3 or above) can represent a time-limited performance requirement of an upper layer (such as layer 4) for adaptation of the radio link on a lower layer (such as layer 1 or 2).
  • the disclosed technique proposes a signaling which may be included e.g. for the illustrated uplink (UE-to-network) example into uplink control information, UCI, for an indication of temporary or time-limited application preference of radio link performance.
  • UCI uplink control information
  • the first wireless node 300 transmits, via signalling on a first layer, to the second wireless node 400, information indicative of a time-limited performance requirement of an upper layer, e.g. as part of an uplink control information, UCI, 508 indicative of a buffer status, indicative of channel quality indicator, and comprising information indicative of the time-limited performance requirement 514 of the upper layer ( e.g. application layer) higher than the first layer.
  • the time-limited performance requirement may be seen as a requirement from an upper layer on the performance of the radio link that is limited in time.
  • a time-limited performance requirement may be seen a requirement on one or more performance parameters (such as delay, latency, jitter, and/or data rate), wherein the requirement is limited in time.
  • the information may enable the second wireless node 400 to apply a radio channel configuration in accordance with the time-limited performance requirement.
  • the information may enable the second wireless node 400 to target meeting the time-limited performance requirement via a radio channel configuration applicable at one or more layers lower than the upper layer, e.g. the first layer.
  • the information may be part of control signalling, e.g. carried out by one or more control messages and/or in form of a flag of a control message or control signalling.
  • the information may be in form of a value, and/or of an index to a specific configuration.
  • the information indicative of the time-limited performance requirement may enable assisting, or an assistance (e.g. a guidance, and/or a wish, and/or a desire, and/or a request and/or UE assistance information) to the second wireless node 400 to apply a radio channel configuration in accordance with the time-limited performance requirement.
  • the assistance may not be mandatory to follow by the second wireless node 400. But the second wireless node 400 may try to accommodate, meet, satisfy and/or fulfil the time- limited performance requirement with an appropriate and possible radio channel configuration.
  • the information indicative of the time-limited performance requirement may make it possible for the second wireless device 400 to apply a radio channel configuration in accordance with (e.g. based on considering) the time-limited performance requirement.
  • the information enables the second wireless node to apply a radio channel configuration in accordance with the time-limited performance requirement.
  • the second wireless node receiving the information may consider the information for considering measures (e.g., radio configuration(s), allocations, scheduling etc.) to apply to the radio channel for the first wireless node.
  • measures e.g., radio configuration(s), allocations, scheduling etc.
  • the second wireless node may become aware of the time-limited performance requirement and may thereby take measures to try to meet the time-limited performance requirement.
  • the information makes it possible for the second wireless node to take measures aiming at fulfilling the time-limited performance requirement.
  • the second wireless node becomes aware of an indicated with the time-limited performance requirement (e.g. an indicative “service level”) of the upper layer.
  • the second wireless node can take the information into account for when allocating resources, configuring parameters on different layers, etc. for upcoming transport blocks and/or time intervals.
  • the second wireless node 400 responds with a message 510 indicative of a scheduling of UL data and of handling of the radio link based on UCI 508.
  • the first wireless node 300 transmits, to the second wireless node 400, UL data 512 according to the scheduling.
  • Fig. 3 is a signalling diagram illustrating an example signalling 700 or adapting downlink communication between a first wireless node and a second wireless node according to an example of this disclosure, for example between the first wireless node 300 and the second wireless node 400.
  • the first wireless node 300 transmits, to the second wireless node 400, an uplink control information, UCI, 702 indicative of a buffer status, acknowledgement of earlier data (e.g. ACK, NACK of hybrid automatic repeat request, HARQ) and channel quality indicator.
  • the second wireless node 400 responds with a message 704 (e.g. downlink control information, DCI) indicative of a scheduling of downlink, DL, data and of handling of the radio link based on UCI 702.
  • DCI downlink control information
  • the first wireless node 300 receives, from the second wireless node 400, DL data 706 according to the scheduling.
  • the network or node 400 may only know data buffer size, ACK/NACK info and radio qualities.
  • the network or node 400 can take decisions of the radio link based on that, which may impact negatively the current application specific needs.
  • the first wireless node 300 experiences 714 a time-limited performance requirement of an upper layer (e.g. application layer.
  • an indicator may come from an upper layer of 300, to indicate a temporary application specific request on the radio link quality.
  • the first wireless node 300 transmits, via signalling on a first layer, to the second wireless node 400, information indicative of a time-limited performance requirement of an upper layer, for example as part of an uplink control information, UCI, 708 indicative of a buffer status, indicative of channel quality indicator, and comprising information indicative of a time-limited performance requirement of an upper layer (e.g. upper layer, e.g. application layer).
  • the second wireless node 400 responds with a message 710 indicative of a scheduling of DL data and of handling of the radio link based on UCI 708.
  • the first wireless node 300 receives, from the second wireless node 400, DL data 712 according to the scheduling.
  • the second wireless node 400 e.g. network node
  • a first wireless node 300 e.g. UE
  • the first wireless node 300 is requested to focus resources to ensure the indicated quality need, and that the first wireless node 300 (e.g. UE) is not expecting to initiate any actions that may jeopardize the radio link quality.
  • Fig. 4 shows a flow diagram of an example method 100, performed by a first wireless node (e.g. the first wireless node disclosed herein, such as first wireless node 300 of Figs. 1 , 2, 3, 6), for adaptation of a radio configuration applicable to a radio channel between the first wireless node and a second wireless node (e.g. the second wireless node disclosed herein, such as second wireless node 400 of Figs. 1 , 2, 3, 7) to meet an application-level performance.
  • the method 100 comprises transmitting S102, via signaling on a first layer, to the second wireless node, information indicative of a time-limited performance requirement of an upper layer higher than the first layer (e.g. an application layer, and/or a session layer and/or a transport layer and/or a network layer).
  • the information of the time-limited performance requirement of the upper layer is illustrated by 508 in Fig. 2 and 708 in Fig. 3.
  • the information can enable the second wireless node to apply a radio channel configuration in accordance with the time-limited performance requirement.
  • the radio channel configuration can be applicable at one or more layers lower than the upper layer.
  • the information may enable the second wireless node to target meeting the time-limited performance requirement via a radio channel configuration applicable at one or more layers lower than the upper layer, e.g. the first layer.
  • the second wireless node or a node related to the second wireless node may consider the radio channel configuration related to the wireless communication configured to meet the indicated time-limited performance requirement.
  • the radio channel configuration can be seen as a radio configuration that is applicable to a radio channel between the second wireless node and a first wireless node and adapted according to this disclosure.
  • the information indicative of the time-limited performance requirement may enable assisting, or an assistance to (e.g. a guidance, and/or a wish, and/or a desire, and/or a request and/or UE assistance information) the second wireless node to apply a radio channel configuration in accordance with the time-limited performance requirement.
  • the assistance may not be mandatory to follow by the second wireless node and may merely be advisory. But the second wireless node may try to accommodate the time-limited performance requirement with an appropriate and possible radio channel configuration.
  • the information indicative of the time-limited performance requirement may make it possible for the second wireless device 400 to apply a radio channel configuration in accordance with the time-limited performance requirement.
  • the time-limited performance requirement may be seen as a requirement from an upper layer on the performance of the radio link that is limited in time.
  • a time-limited performance requirement may be seen a requirement on one or more performance parameters (such as delay, latency, jitter, and/or data rate), wherein the requirement is limited in time.
  • the information may enable the second wireless node to apply a radio channel configuration in accordance with the time-limited performance requirement.
  • the information may enable the second wireless node to target meeting the time-limited performance requirement via a radio channel configuration applicable at one or more layers lower than the upper layer, e.g. the first layer.
  • the information may be part of control signalling, e.g. carried out by one or more control messages and/or in form of a flag of a control message or control signalling.
  • the information may be in form a value, and/or an index to a specific configuration.
  • the information may be indicative of a request for a radio channel configuration (such as a specific radio channel configuration) associated with the time-limited performance requirement of the upper layer.
  • the radio channel configuration is applicable at one or more layers lower than the upper layer.
  • the one or more layers comprise the first layer.
  • the first layer is a physical layer, and/or a link layer (including a MAC layer, and/or an RRC layer).
  • the information indicative of the time-limited performance requirement of the upper layer may be transmitted using one or more of: a physical layer, a MAC layer, and a RRC signaling layer.
  • the information may be for use by the second wireless node in determining (e.g. selecting, e.g. identifying) a radio channel configuration based on the time-limited performance requirement.
  • the first layer may be lower than a PHY layer, a MAC layer, and/or an RLC layer.
  • the upper layer may be seen as an upper layer of the OSI stack or OSI model.
  • the first layer may be seen as a lower layer of the OSI stack or OSI model.
  • the time- limited performance requirement of the upper layer may be seen as a performance requirement requested, and/or needed and/or imposed by an upper layer, such as an application layer, and/or a session layer.
  • the performance requirement may be related to a service, or a service level supported at higher layer(s).
  • an application running on the application layer of the first wireless node may require low latency for a limited time period
  • the first wireless node may indicate the time-limited performance requirement to the second wireless node by transmitting, via signalling at the first layer, to the second wireless node, information indicative of the time-limited performance requirement of the application layer.
  • the time-limited performance requirement of the upper layer is a time-limited performance requirement of an application.
  • the information of the performance requirement of the upper layer may be seen as a request coming from the upper layer, e.g. within the first wireless node.
  • the information can be implemented as a flag in a control signal at the first layer from the first wireless node to the second wireless node.
  • the flag may be associated with a table with various adaptations accessible by the second wireless node based on the time-limited performance requirement. This way the amount of signalling is kept minimal if needed.
  • the information can be implemented as a relatively short or limited signalling at the first layer.
  • the second wireless node or a node related to the second wireless node may configure radio channel configurations to a specific radio channel configuration to accommodate to the time-limited performance requirement indicated in the information of S102.
  • the radio channel configuration comprises a configuration of one or more radio parameters.
  • the one or more radio parameters comprise a modulation and coding scheme, MCS, resources allocated (e.g. frequency bands and bandwidth parts), a transmit power and/or an antenna configuration.
  • the method 100 comprises communicating S106, with the second wireless node, in accordance with the radio channel configuration.
  • communicating S106 may comprise scheduling a communication (e.g. UL as illustrated by 510-512 of Fig. 2 and/or DL communication as illustrated by 710-712 of Fig. 3) according to the radio channel configuration and for a time period of the time-limited performance requirement.
  • communicating S106 may comprise adapting a configuration of the radio channel to the radio channel configuration (e.g. a modulation and coding scheme, MCS, specific resources allocated (e.g. frequency bands and bandwidth parts), a specific transmit power and/or an antenna configuration), so as to meet the application-level performance needed for a time period of the time-limited performance requirement.
  • MCS modulation and coding scheme
  • the first wireless node can communicate with the second wireless node using the radio channel configuration for a time limited period associated with the time limited performance requirement.
  • the control and management of the radio link may be improved, to tailor the configuration on lower layers towards the upper layer needs, e.g. the application needs. This may be seen as a clear benefit compared to legacy functionality where e.g. a base station (gNB) needs to take own decisions on how to utilize a radio link based on e.g. buffer status reports, channel quality reports, packet error rate history etc.
  • gNB base station
  • the network nodes may take decisions to modify (or not to modify) a radio link at occasions that are specifically un-expected and un-wanted by an upper layer (e.g. by an application) using the radio link at the specific time of such decisions.
  • an upper layer e.g. by an application
  • the application can be much better aligned with the network link configurations, in order to cooperate towards achieving the “service aware network” behavior.
  • the second wireless node or a node related to the second wireless node may specifically not make any adjustments to the radio channel configuration and with the specifically not making any adjustments, the radio link may experience a non-interrupted communication which may allow the radio communication to proceed with low delay jitter and high experienced quality of service. This may be a method to meet the indicated time-limited performance requirements.
  • the information is indicative of a time period for which the time-limited performance requirement is required.
  • the information may be indicative of one or more timing parameters related to the validity of the request.
  • the timing parameter may be indicative of a time period for which the information provided in S102 is valid.
  • the time period may be indicated as a time in ms starting from the transmission of the information in S102, or for a next round of transport blocks, or for a given amount of transmitted data bits or similar.
  • the communicating S106 with the second wireless node in accordance with the radio channel configuration is performed for the time period associated with the time-limited performance requirement.
  • the first wireless node is allowed within a wireless communication link to transmit information indicative of a temporary change in radio link quality request within low layer communication such as physical layer signaling.
  • the signaling may include requested performance parameters, such as a data rate, a latency indication, a packet loss ratio, a delay variation (jitter value) or similar.
  • the signaling may also include information indicative of timing validity of the request.
  • the information comprises one or more performance parameters.
  • the one or more performance parameters comprise one or more performance parameters indicative of a data rate.
  • the one or more performance parameters indicative of a data rate comprises one or more of: a data rate, and a packet loss rate.
  • the one or more performance parameters may be indicative of a data rate or a packet loss rate which the transmitting node is indicating a temporary or time-limited performance requirement or wish to be met.
  • the information transmitted in S102 may require a short-term variation from the existing quality of service level as experienced over time.
  • the one or more performance parameters comprise one or more timing performance parameters.
  • the one or more timing performance parameters comprise one or more of: a quality of service level parameter, delay, a jitter, and/or a tolerated interruption delay. Delay may be seen as latency.
  • the one or more performance parameters may be indicative of an interruption delay value (e.g. a maximum tolerated interruption delay).
  • the one or more performance parameters comprise one or more performance parameters indicative of a request not to introduce any temporary interruption on the radio channel.
  • the one or more performance parameters may be indicative of a request (for example, in general) to avoid and/or to reduce interruption delays on the radio channel.
  • the one or more performance parameters may be indicative of a request to refrain from introducing interruption delays on the radio channel.
  • the performance parameter may be indicative of a request not to introduce any temporary interruptions on the radio link such as radio reconfigurations, modifications such as addition and/or removal of secondary cells.
  • the method 100 comprises receiving S104, from the second wireless node, control signalling indicative of a radio configuration adaptation determined based on the information indicative of the time-limited performance requirement.
  • the information is part of control signalling, such as radio resource signalling.
  • the information is part of a radio resource signalling.
  • the configuration of usage of the disclosed method may be controlled by radio resource signaling.
  • the radio channel configuration comprises an uplink radio channel configuration.
  • the radio channel configuration comprises a downlink radio channel configuration.
  • the information is transmitted in uplink control information or downlink control information.
  • the information of S102 may be included as layer 1 signaling only, as new information fields in downlink control information (DCI).
  • DCI downlink control information
  • the information is transmitted in an information element of uplink assistance.
  • the disclosed information in S102 may be added for uplink assistance sharing as a part of the UE assistance signaling, where additional information elements can be added similar to the functions available today.
  • the second wireless node or the network has possibility to inform the first wireless node or UE about interest/support for this function.
  • Fig. 5 shows a flow diagram of an example method 200, performed by a second wireless node (e.g. the second wireless node disclosed herein, such as second wireless node 400 of Figs. 1 , 2, 3, 7), for adaptation of a radio configuration applicable to a radio channel between the second wireless node (e.g. a network node, e.g. a RAN node) and a first wireless node, such as a first wireless node disclosed herein (such as first wireless node 300 of Figs. 1 , 2, 3, 6).
  • a second wireless node e.g. the second wireless node disclosed herein, such as second wireless node 400 of Figs. 1 , 2, 3, 7
  • a radio configuration applicable to a radio channel between the second wireless node e.g. a network node, e.g. a RAN node
  • a first wireless node such as a first wireless node disclosed herein (such as first wireless node 300 of Figs. 1 , 2, 3,
  • the method 200 comprises receiving S202, via signalling at a first layer, from the first wireless node, information indicative of a time-limited performance requirement of an upper layer higher than the first layer.
  • the method 200 comprises applying S206, in communication with the first wireless node, a radio channel configuration considering (e.g. in accordance with, and/or based on) the time-limited performance requirement, e.g. based on the information received.
  • the radio channel configuration can be applicable at one or more layers lower than the upper layer.
  • the radio channel configuration can be seen as a radio configuration that is applicable to a radio channel between the second wireless node and a first wireless node and adapted according to this disclosure.
  • the second wireless node or a node related to the second wireless node may configure radio channel configurations to a specific radio channel configuration to accommodate to the performance requirement.
  • the radio channel configuration is applicable at a one or more layers lower than the upper layer.
  • the information received in S202 has been transmitted in S102 of Fig. 4.
  • the communication corresponds to S106 of Fig. 4.
  • the radio channel configuration is applicable at one or more layers lower than the upper layer.
  • the one or more layers comprise the first layer.
  • the first layer is a physical layer, and/or a link layer (including a MAC layer, and/or an RRC layer).
  • the information indicative of the time-limited performance requirement of the upper layer may be transmitted using one or more of: a physical layer, a MAC layer, and a RRC signaling layer.
  • the information may be for use by the second wireless node in determining (e.g. selecting, e.g. identifying) a radio channel configuration based on the time-limited performance requirement.
  • the first layer may be lower than a PHY layer, a MAC layer, and/or an RLC layer.
  • the upper layer may be seen as an upper layer of the OSI stack or OSI model.
  • the first layer may be seen as a lower layer of the OSI stack or OSI model.
  • the time- limited performance requirement of the upper layer may be seen as a performance requirement requested, and/or needed and/or imposed by an upper layer, such as an application layer, and/or a session layer.
  • the performance requirement may be related to a service, or a service level supported at higher layer(s).
  • an application running on the application layer of the first wireless node may require low latency for a limited time period
  • the first wireless node may indicate the time-limited performance requirement to the second wireless node by transmitting, via signalling at the first layer, to the second wireless node, information indicative of the time-limited performance requirement of the application layer.
  • the time-limited performance requirement of the upper layer is a time-limited performance requirement of an application.
  • the method 200 comprises allocating S204 radio resources to the first wireless node based on the information received.
  • the method 200 optionally comprises communicating, with the first wireless node, in accordance with the radio channel configuration.
  • the information is indicative of a time period for which the time-limited performance requirement is required.
  • the information comprises one or more performance parameters.
  • the one or more performance parameters comprise one or more performance parameters indicative of a data rate.
  • the one or more performance parameters comprise one or more timing performance parameters.
  • the one or more performance parameters comprise one or more performance parameters indicative of a request not to introduce any temporary interruption on the radio channel.
  • the method 200 comprises scheduling S203 communication with the first wireless node based on the information received.
  • the method 200 comprises allocating S204 radio resources to the first wireless node based on the information received.
  • the method 200 comprises transmitting S205, to the first wireless node, control signalling indicative of a radio configuration adaptation determined based on the information indicative of the time-limited performance requirement. This may correspond to S104 of Fig. 3.
  • the information is part of control signalling.
  • the radio channel configuration comprises an uplink radio channel configuration and/or a downlink radio channel configuration.
  • the information is transmitted in uplink control information or downlink control information.
  • the information is transmitted in an information element of uplink assistance.
  • Fig. 6 shows a block diagram of an example first wireless node 300 according to the disclosure.
  • the first wireless node 300 comprises memory circuitry 301, processor circuitry 302, and a wireless interface 303.
  • the first wireless node 300 may be configured to perform any of the methods disclosed in Fig. 4.
  • the first wireless node 300 may be configured for adaptation of a radio configuration applicable to a radio channel between the first wireless node and a second wireless node to meet an application-level performance.
  • the first wireless node 300 is configured to transmit (such as via the wireless interface 303), via signalling on a first layer, to the second wireless node, information indicative of a time-limited performance requirement of an upper layer higher than the first layer.
  • the information can enable the second wireless node to apply a radio channel configuration in accordance with the time-limited performance requirement.
  • the second wireless node or a node related to the second wireless node may configure radio channel configurations to a specific radio channel configuration to accommodate to the performance requirement.
  • the radio channel configuration is applicable at one or more layers lower than the upper layer.
  • the information can enable the second wireless node to apply a radio channel configuration in accordance with the time-limited performance requirement.
  • the radio channel configuration can be applicable at one or more layers lower than the upper layer.
  • the information may enable the second wireless node to target meeting the time-limited performance requirement via a radio channel configuration applicable at one or more layers lower than the upper layer, e.g. the first layer.
  • the second wireless node or a node related to the second wireless node may consider the radio channel configuration related to the wireless communication configured to meet the indicated time-limited performance requirement.
  • the information indicative of the time-limited performance requirement may enable assisting, or an assistance to (e.g. a guidance, and/or a wish, and/or a desire, and/or a request and/or UE assistance information) the second wireless node to apply a radio channel configuration in accordance with the time-limited performance requirement.
  • the assistance may not be mandatory to follow by the second wireless node. But the second wireless node may try to accommodate the time-limited performance requirement with an appropriate and possible radio channel configuration.
  • the information indicative of the time-limited performance requirement may make it possible for the second wireless device 400 to apply a radio channel configuration in accordance with the time-limited performance requirement.
  • the information enables the second wireless node to apply a radio channel configuration in accordance with the time-limited performance requirement.
  • the second wireless node receiving the information may consider the information for considering measures (e.g., radio configuration(s), allocations, scheduling etc.) to apply to the radio channel for the first wireless node.
  • measures e.g., radio configuration(s), allocations, scheduling etc.
  • the second wireless node may become aware of the time-limited performance requirement and may thereby take measures to try to meet the time-limited performance requirement.
  • the information makes it possible for the second wireless node to take measures aiming at fulfilling the time-limited performance requirement.
  • the second wireless node becomes aware of an indicated with the time-limited performance requirement (e.g. an indicative “service level”) of the upper layer.
  • the second wireless node can take the information into account for when allocating resources, configuring parameters on different layers, etc. for upcoming transport blocks and/or time intervals.
  • the radio channel configuration is applicable at one or more layers lower than the upper layer.
  • the one or more layers comprise the first layer.
  • the first layer is a physical layer, and/or a link layer (including a MAC layer, and/or an RRC layer).
  • the information indicative of the time-limited performance requirement of the upper layer may be transmitted using one or more of: a physical layer, a MAC layer, and a RRC signaling layer.
  • the information may be for use by the second wireless node in determining (e.g. selecting, e.g. identifying) a radio channel configuration based on the time-limited performance requirement.
  • the time-limited performance requirement may be seen as a requirement from an upper layer on the performance of the radio link that is limited in time.
  • a time-limited performance requirement may be seen a requirement on one or more performance parameters (such as delay, latency, jitter, and/or data rate), wherein the requirement is limited in time.
  • the information may enable the second wireless node to apply a radio channel configuration in accordance with the time-limited performance requirement.
  • the information may enable the second wireless node to target meeting the time-limited performance requirement via a radio channel configuration applicable at one or more layers lower than the upper layer, e.g. the first layer.
  • the information may be part of control signalling, e.g. carried out by one or more control messages and/or in form of a flag of a control message or control signalling.
  • the information may be in form a value, and/or an index to a specific configuration.
  • the first wireless node 300 is configured to communicate (such as via the wireless interface 303), with the second wireless node in accordance with the radio channel configuration, e.g. for a time-limited period associated with the time-limited performance requirement.
  • the first wireless node 300 is configured to receive (such as via the wireless interface 303), from the second wireless node, control signalling indicative of a radio configuration adaptation determined based on the information indicative of the time-limited performance requirement.
  • the wireless interface 303 is configured for wireless communications via a wireless communication system, such as a 3GPP system, such as a 3GPP system supporting one or more of: New Radio, NR, Narrow-band loT, NB-loT, and Long Term Evolution - enhanced Machine Type Communication, LTE-M.
  • a wireless communication system such as a 3GPP system, such as a 3GPP system supporting one or more of: New Radio, NR, Narrow-band loT, NB-loT, and Long Term Evolution - enhanced Machine Type Communication, LTE-M.
  • the first wireless node 300 is optionally configured to perform any of the operations disclosed in Fig. 4 (such as any one or more of S104).
  • the operations of the first wireless node 300 may be embodied in the form of executable logic routines (for example, lines of code, software programs, etc.) that are stored on a non-transitory computer readable medium (for example, memory circuitry 301) and are executed by processor circuitry 302.
  • Memory circuitry 301 may be one or more of a buffer, a flash memory, a hard drive, a removable media, a volatile memory, a non-volatile memory, a random access memory (RAM), or other suitable device.
  • memory circuitry 301 may include a non-volatile memory for long term data storage and a volatile memory that functions as system memory for processor circuitry 302.
  • Memory circuitry 301 may exchange data with processor circuitry 302 over a data bus.
  • Memory circuitry 301 is considered a non-transitory computer readable medium. Memory circuitry 301 may be configured to store information such as information indicative of information indicative of the time-limited performance requirement in a part of the memory.
  • Fig. 7 shows a block diagram of an example second wireless node 400 according to the disclosure.
  • the second wireless node 400 comprises memory circuitry 401, processor circuitry 402, and a wireless interface 403.
  • the second wireless node 400 may be configured to perform any of the methods disclosed in Fig. 5.
  • the second wireless node 400 may be configured for adaptation of a radio configuration applicable to a radio channel between the second wireless node and a first wireless node.
  • the second wireless node 400 is configured to receive (such as via the wireless interface 403), via signalling on a first layer, from the first wireless node, information indicative of a time-limited performance requirement of an upper layer higher than the first layer.
  • the wireless node 400 is configured to apply, in communication (such as via the wireless interface 403 and/or processor circuitry 402), with the first wireless node, a radio channel configuration in accordance with the time-limited performance requirement, e.g. based on the information received.
  • the radio channel configuration is applicable at a one or more layers lower than the upper layer.
  • the second wireless node 400 is configured to schedule communication with the first wireless node 300 based on the information received. In one or more example wireless nodes, the second wireless node 400 is configured to allocate radio resources to the first wireless node 300 based on the information received.
  • the second wireless node 400 is configured to transmit, to the first wireless node 300, control signalling indicative of a radio configuration adaptation determined based on the information.
  • the wireless interface 403 is configured for wireless communications via a wireless communication system, such as a 3GPP system, such as a 3GPP system supporting one or more of: New Radio, NR, Narrow-band loT, NB-loT, and Long Term Evolution - enhanced Machine Type Communication, LTE-M.
  • Processor circuitry 402 is optionally configured to perform any of the operations disclosed in Fig. 5 (such as any one or more of S203, S204, S205).
  • the operations of the second wireless node 400 may be embodied in the form of executable logic routines (for example, lines of code, software programs, etc.) that are stored on a non-transitory computer readable medium (for example, memory circuitry 401) and are executed by processor circuitry 402.
  • the operations of the second wireless node 400 may be considered a method that the second wireless node 400 is configured to carry out. Also, while the described functions and operations may be implemented in software, such functionality may also be carried out via dedicated hardware or firmware, or some combination of hardware, firmware and/or software.
  • Memory circuitry 401 may be one or more of a buffer, a flash memory, a hard drive, a removable media, a volatile memory, a non-volatile memory, a random access memory (RAM), or other suitable device.
  • memory circuitry 401 may include a non-volatile memory for long term data storage and a volatile memory that functions as system memory for processor circuitry 402.
  • Memory circuitry 401 may exchange data with processor circuitry 402 over a data bus. Control lines and an address bus between memory circuitry 401 and processor circuitry 402 also may be present (not shown in Fig. 7).
  • Memory circuitry 401 is considered a non-transitory computer readable medium.
  • Memory circuitry 401 may be configured to store information such as information indicative of information indicative of the time-limited performance requirements, a lookup table with radio channel configurations and corresponding time-limited performance requirements in a part of the memory.
  • Figs. 8A-8B show diagrams illustrating example available aggregated data rates D for the first wireless node in time.
  • the available aggregated data rate may be seen as the data rate aggregated over various applications and/or services to serve the first wireless node.
  • the available aggregated data rate may be seen as the payload data transmission capability over the one or more radio access links the wireless node may have active for wireless communication.
  • the available aggregated data rate may be seen as the individual data rate available for a specific radio access bearer, and/or a so-called specific individual network slice, and/or for an individual bandwidth part, and/or for an individual application and/or service to serve the first wireless node.
  • the available aggreged data rate may be the individual data rate for a certain transmission direction such as uplink or downlink transmission.
  • the available aggregated data rate may be the individual data rate on one particular wireless link, which the signaling for this disclosed technique is applicable for.
  • the available aggregated data rate may be measured in bits per second, or by available radio resource elements for data transmission over a given time period.
  • the available aggregated data rate is reduced when less amount of data transmission resources are available, and the available aggregated data rate is reduced when the available resources are used for control signaling instead of data transmissions.
  • the available aggregated data rate may depend on radio channel variations, such as being depending on wireless node mobility, and impacted by radio conditions such as noise levels and fading properties of the radio signal propagation.
  • the available aggregated data rate may depend on the total system data transmission capacity and/or the instantaneous traffic load of the wireless system and/or a load level of a specific node in the system.
  • the available aggregated data rate may depend on the radio access configuration, such as the configured communication bandwidth, the number of transmission layers of a wireless link, the utilized transmission output power, and/or the channel coding properties etc.
  • the available aggregated data rate may depend on the availability of data transmission resources which may be protocol and/or system utilization dependent, e.g. depending on the radio resource scheduling, the instantaneous availability of adequate channel estimations and/or channel estimation capability, the availability of correctly configured bandwidth allocations, such as bandwidth part configurations, and/or the availability of correctly configured radio and front end components matching towards the allocated time and frequency resources.
  • the available aggregated data rate may depend on the ratio between control signaling and data transmission in a wireless system, where such ratio may vary over time e.g. depending on the amount of changes and re-configurations of the wireless system that is being executed.
  • the available aggregated data rate may depend on the ratio between used and unused radio resources such as time-and-frequency blocks, where such ratio may vary over time, e.g. depending on the amount of changes or reconfigurations of the wireless system that is being executed. In general, the available aggregated data rate may decrease if the system channel configurations are changed more frequently.
  • Fig. 8A shows an example without applying the disclosed technique, illustrating graph 2 that shows an example available aggregated data rate D for the first wireless node versus time.
  • Fig. 8B shows an example where the disclosed technique is applied, illustrating graph 3 that shows an example available aggregated data rate D for the first wireless node versus time.
  • the example scenario illustrated is that an upper layer requires at least a minimum data rate with a stable connection, to transfer the user plane data without significant data transmission delay variations (such as a high demand on low-latency transfer for a certain time-critical application ) and the network adapts poorly in Fig. 8A illustrating legacy and more optimally in Fig.8B illustrating the disclosed technique.
  • the disclosed method is applied here for addressing the example scenario where the upper layer requires a stable data connection.
  • the first wireless node such as wireless device or UE
  • BSR Buffer Status Report
  • the network may utilize several types of information to determine suitable radio link parameters.
  • One aspect it may consider is changes in buffer status reporting to adjust radio parameters as well as the radio link configuration.
  • the BSR reporting of a larger uplink data size than usual in the uplink data buffer causes the network to believe that a user plane aggregation or user plane switching may be required, e.g. in order to increase the transmission capacity over the communication link. This is shown by an increase in the available aggregated data rate as shown in graph 2 of Fig. 8A.
  • the BSRs indicative of larger uplink data eventually makes the network reconfigure to e.g. a user plane aggregated mode (e.g. Long Term Evolution and New Radio, LTE and NR).
  • a user plane aggregated mode e.g. Long Term Evolution and New Radio, LTE and NR.
  • LTE and NR Long Term Evolution and New Radio
  • a temporary performance drop as illustrated in Fig. 8A may occur due to additional control signaling, additional measurements, retuning of radio configurations, changes in control signaling setup, switches in radio links between different nodes or cells in the communication system or the like.
  • the network re-configures back since BSR indicates a required data rate which is lower than earlier.
  • the high demands on low-latency transfer can be indicated to the network by the disclosed information indicative of the time-limited performance requirement and the situation illustrated in Fig. 8A can be avoided.
  • Fig. 8B shows that the aggregated data rate remains unchanged although a larger amount of data is required.
  • BSR indicating a larger amount of data is required
  • the network receives an indication that high demands on stable data rate having low- latency transfer with limited delay variations is required for a limited time period, and thereby keeps the aggregated data rate and maintains the jitter of the delay stable as requested.
  • the network is informed about the time-limited requirement for a high demand on low-latency transfer and can maintain the jitter stable while keeping the same aggregated data rate.
  • the network of Fig. 8B can maintain stability of the link, and avoids the gap in data transmission shown in Fig. 8A.
  • first wireless node and second wireless node Examples of methods and products (first wireless node and second wireless node) according to the disclosure are set out in the following items:
  • Item 1 A method, performed by a first wireless node, for adaptation of a radio configuration applicable to a radio channel between the first wireless node and a second wireless node to meet an application-level performance, the method comprising: transmitting (S102), via signaling on a first layer, to the second wireless node, information indicative of a time-limited performance requirement of an upper layer higher than the first layer, wherein the information enables the second wireless node to apply a radio channel configuration in accordance with the time-limited performance requirement; - wherein the radio channel configuration is applicable at one or more layers lower than the upper layer; and communicating (S106), with the second wireless node, in accordance with the radio channel configuration.
  • Item 2. The method according to claim 1 , wherein the one or more layers comprise the first layer.
  • Item 3 The method according to any of the previous claims, wherein the first layer is a physical layer, and/or a link layer.
  • Item 4 The method according to any of the previous claims, wherein the information is for use by the second wireless node in determining a radio channel configuration based on the time-limited performance requirement.
  • Item 5 The method according to any of the previous items, wherein the information is indicative of a time period for which the time-limited performance requirement is required.
  • Item 6 The method according to item 5, wherein the communicating (S106) with the second wireless node, in accordance with the radio channel configuration is performed for the time period.
  • Item 7 The method according to any of the previous items, wherein the information comprises one or more performance parameters.
  • Item 8 The method according to item 7, wherein the one or more performance parameters comprise one or more performance parameters indicative of a data rate.
  • Item 9 The method according to item 8, wherein the one or more performance parameters indicative of a data rate comprise one or more of: a data rate, and a packet loss rate.
  • Item 10 The method according to any of items 7-9, wherein the one or more performance parameters comprise one or more timing performance parameters. Item 11. The method according to item 10, wherein the one or more timing performance parameters comprise one or more of: a delay, a jitter, and/or a tolerated interruption delay. Item 12. The method according to any of items 7-11 , wherein the one or more performance parameters comprise one or more performance parameters indicative of a request not to introduce any temporary interruption on the radio channel. Item 13. The method according to any of the previous items, the method comprising receiving (S104), from the second wireless node, control signalling indicative of a radio configuration adaptation determined based on the information indicative of the time-limited performance requirement. Item 14. The method according to any of the previous items, wherein the information is part of control signalling.
  • the radio channel configuration comprises an uplink radio channel configuration and/or a downlink radio channel configuration.
  • Item 16 The method according to any of the previous items, wherein the information is transmitted in uplink control information or downlink control information.
  • Item 17. The method according to any of the previous items, wherein the information is transmitted in an information element of uplink assistance.
  • Item 18 The method according to any of the previous items, wherein the radio channel configuration comprises a configuration of one or more radio parameters.
  • Item 19 The method according to any of the previous items, wherein the time-limited performance requirement of the upper layer is a time-limited performance requirement of an application.
  • Item 20 A method, performed by a second wireless node, for adaptation of a radio configuration applicable to a radio channel between the second wireless node and a first wireless node, the method comprising: receiving (S202), via signalling on a first layer, from the first wireless node, information indicative of a time-limited performance requirement of an upper layer higher than the first layer; and applying (S206), in communication with the first wireless node, a radio channel configuration considering the time-limited performance requirement, wherein the radio channel configuration is applicable at one or more layers lower than the upper layer.
  • Item 21 The method according to item 20, wherein the information is indicative of a time period for which the time-limited performance requirement is required.
  • Item 22 The method according to any of items 20-21 , wherein the information comprises one or more performance parameters.
  • Item 23 The method according to item 22, wherein the one or more performance parameters comprise one or more performance parameters indicative of a data rate.
  • Item 24 The method according to any of items 22-23, wherein the one or more performance parameters comprise one or more timing performance parameters.
  • Item 25 The method according to any of items 22-24, wherein the one or more performance parameters comprise one or more performance parameters indicative of a request not to introduce any temporary interruption on the radio channel.
  • Item 26 The method according to any of items 20-25, the method comprising scheduling (S203) communication with the first wireless node based on the information received.
  • Item 27 The method according to any of items 20-26, the method comprising allocating (S204) radio resources to the first wireless node based on the information received.
  • Item 28 The method according to any of items 20-27, the method comprising transmitting (S205), to the first wireless node, control signalling indicative of a radio configuration adaptation determined based on the information.
  • Item 29 The method according to any of items 20-28, wherein the information is part of control signalling.
  • Item 30 The method according to any of items 20-29, wherein the radio channel configuration comprises an uplink radio channel configuration and/or a downlink radio channel configuration.
  • Item 31 The method according to any of items 20-30, wherein the information is transmitted in uplink control information or downlink control information.
  • Item 32 The method according to any of items 20-31 , wherein the information is transmitted in an information element of uplink assistance.
  • a first wireless node comprising memory circuitry, processor circuitry, and a wireless interface, wherein the first wireless node is configured to perform any of the methods according to any of items 1-19.
  • a second wireless node comprising memory circuitry, processor circuitry, and a wireless interface, wherein the second wireless node is configured to perform any of the methods according to any of items 20-32.
  • first”, “second”, “third” and “fourth”, “primary”, “secondary”, “tertiary” etc. does not imply any particular order, but are included to identify individual elements.
  • the use of the terms “first”, “second”, “third” and “fourth”, “primary”, “secondary”, “tertiary” etc. does not denote any order or importance, but rather the terms “first”, “second”, “third” and “fourth”, “primary”, “secondary”, “tertiary” etc. are used to distinguish one element from another.
  • the words “first”, “second”, “third” and “fourth”, “primary”, “secondary”, “tertiary” etc. are used here and elsewhere for labelling purposes only and are not intended to denote any specific spatial or temporal ordering.
  • the labelling of a first element does not imply the presence of a second element and vice versa.
  • Figs. 1-8B comprise some circuitries or operations which are illustrated with a solid line and some circuitries or operations which are illustrated with a dashed line. Circuitries or operations which are comprised in a solid line are circuitries or operations which are comprised in the broadest example. Circuitries or operations which are comprised in a dashed line are examples which may be comprised in, or a part of, or are further circuitries or operations which may be taken in addition to circuitries or operations of the solid line examples. It should be appreciated that these operations need not be performed in order presented. Furthermore, it should be appreciated that not all of the operations need to be performed. The example operations may be performed in any order and in any combination.
  • a computer-readable medium may include removable and non-removable storage devices including, but not limited to, Read Only Memory (ROM), Random Access Memory (RAM), compact discs (CDs), digital versatile discs (DVD), etc.
  • program circuitries may include routines, programs, objects, components, data structures, etc. that perform specified tasks or implement specific abstract data types.
  • Computer-executable instructions, associated data structures, and program circuitries represent examples of program code for executing steps of the methods disclosed herein. The particular sequence of such executable instructions or associated data structures represents examples of corresponding acts for implementing the functions described in such steps or processes.

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Abstract

L'invention divulgue un procédé, mis en œuvre par un premier nœud sans fil, pour l'adaptation d'une configuration radio applicable à un canal radio entre le premier nœud sans fil et un second nœud sans fil pour répondre à une performance de niveau d'application. Le procédé consiste à transmettre, par l'intermédiaire d'une signalisation sur une première couche, au second nœud sans fil, des informations indiquant une exigence de performance limitée dans le temps d'une couche supérieure plus élevée que la première couche. Les informations permettent au second nœud sans fil d'appliquer une configuration de canal radio conformément à l'exigence de performance limitée dans le temps. La configuration de canal radio est applicable à une ou plusieurs couches inférieures à la couche supérieure. Le procédé consiste à communiquer, avec le second nœud sans fil, conformément à la configuration de canal radio.
PCT/EP2022/053495 2021-03-19 2022-02-14 Procédés d'adaptation d'une configuration radio et nœuds sans fil associés WO2022194463A1 (fr)

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Citations (2)

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US20190215729A1 (en) * 2018-03-15 2019-07-11 Intel Corporation Session description protocol mechanisms for signaling radio access network capabilities in multimedia telephony sessions
WO2021160286A1 (fr) * 2020-02-14 2021-08-19 Nokia Solutions And Networks Oy Commande d'augmentations de débit de données dans des réseaux d'accès radio

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
US20190215729A1 (en) * 2018-03-15 2019-07-11 Intel Corporation Session description protocol mechanisms for signaling radio access network capabilities in multimedia telephony sessions
WO2021160286A1 (fr) * 2020-02-14 2021-08-19 Nokia Solutions And Networks Oy Commande d'augmentations de débit de données dans des réseaux d'accès radio

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"3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; 5G Media Streaming (5GMS); Protocols (Release 16)", vol. SA WG4, no. V16.1.0, 23 December 2020 (2020-12-23), pages 1 - 96, XP051999891, Retrieved from the Internet <URL:https://ftp.3gpp.org/Specs/latest/Rel-16/26_series/26512-g10.zip 26512-g10.docx> [retrieved on 20201223] *

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