WO2022195161A1 - Configurations for gaps in device having multiple user subscription identities - Google Patents
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- WO2022195161A1 WO2022195161A1 PCT/FI2022/050153 FI2022050153W WO2022195161A1 WO 2022195161 A1 WO2022195161 A1 WO 2022195161A1 FI 2022050153 W FI2022050153 W FI 2022050153W WO 2022195161 A1 WO2022195161 A1 WO 2022195161A1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
- H04W36/0088—Scheduling hand-off measurements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/183—Processing at user equipment or user record carrier
Definitions
- TECHNICAL FIELD Various example embodiments relate to wireless communications.
- Wireless devices supporting multiple user subscription identities per a device are becoming more and more popular thanks to their flexibility relating to service options and other features. While one of the user subscription identity en- tit l es is in an active state, a subscription identity entity in an inactive or idle state may need to shortly monitor its network or shortly communicate with its network. To enable this, a scheduled gap may be requested. During the gap the network con nection for the subscription identity entity that is in the active state is not released even though the gap is used for the subscription identity entity that is in the inac- tive or idle state.
- An aspect provides an apparatus comprising at least one processor; and at least one memory including computer program code, the at least one memory and computer program code configured to, with the at least one processor, cause the apparatus at least to perform: supporting multiple user subscriptions; sending a multiple user subscription gap request to an access node using a first subscription entity which is in an active state; receiving in a radio resource reconfiguration mes- sage at least one gap configuration to be used during one or more multiple user subscription gaps, a gap configuration comprising one or more parameters defin- ing information for processing one or more events relating to the first subscription which remains in the active state during the gap; and using one of the at least one gap configuration during multiple user subscription gaps.
- the at least one memory and computer program code are configured to, with the at least one processor, cause the apparatus further to send the multiple user subscription gap request in response to receiving from the access node a configured grant to the first subscription entity.
- An aspect provides an apparatus comprising means for performing: supporting multiple user subscriptions; sending a multiple user subscription gap request to an access node using a first subscription entity which is in an active state; receiving in a radio resource reconfiguration message at least one gap con- figuration to be used during one or more multiple user subscription gap, a gap con- figuration comprising one or more parameters defining information for processing one or more events relating to the first subscription which remains in the active state during the gap; and using one of the at least one gap configuration during multiple user subscription gaps.
- the apparatus further comprises means for perform- ing receiving from the access node a configured grant to the first subscription en- tity, wherein the means for performing sending the multiple user subscription gap request are configured to perform the sending in response to receiving the config- ured.
- An aspect provides an apparatus comprising at least one processor; and at least one memory including computer program code, the at least one memory and computer program code configured to, with the at least one processor, cause the apparatus at least to perform: providing access node functionalities; determin- ing, when a multiple user subscription gap request has been received from a served apparatus, at least one gap configuration to be used during one or more multiple user subscription gaps, a gap configuration comprising one or more parameters defining information for processing one or more events relating to the served ap- paratus which remains in the active state during a gap; sending in a radio resource reconfiguration message the gap configuration; and using the at least one gap con- figuration for the served apparatus.
- An aspect provides an apparatus comprising means for performing: providing access node functionalities; determining, when a multiple user subscrip- tion gap request has been received from a served apparatus, at least one gap con- figuration to be used during one or more multiple user subscription gaps, a gap configuration comprising one or more parameters defining information for pro- cessing one or more events relating to the served apparatus which remains in the active state during the gap; sending in a radio resource reconfiguration message the at least one gap configuration; and using the at least one gap configuration for the served apparatus.
- the one or more parameters in a gap configuration configures uplink data transmissions by setting parameters providing enhanced transmission and disabling reception feedback.
- the reception feedback is disabled by disabling a hy- brid automatic repeat request operation.
- the parameters providing the enhanced transmission relate to one or more of a modulation coding scheme, a transport block size, a pre- coding, or a number of layers.
- the one or more parameters in a gap configuration configures downlink data transmissions by setting an offset to semi-persistent scheduling of configured grants in downlink.
- the one or more parameters in a gap configuration configures one or more timer actions.
- the one or more timer actions include an action per a timer class.
- a timer action is one of the following: suspend, stop and restart after the gap with initial value, stop and restart after the gap with mod- ified value, continue running during the gap starting with a current value, continue running during the gap starting with a modified value, or if one or more conditions are fulfilled, continue running during the gap starting with a modified value, other- wise continue running with the current value.
- default timer actions are used when a gap configura- tion is silent on the timer actions.
- a default timer action for timers belonging to a discon- tinuous timer class is to continue running if the apparatus starts with on-duration timer after the gap.
- a method comprising: using, by an apparatus, for a first subscription entity, which is in an active state, during a multiple user subscription gap for one or more inactive or idle state subscription entities, a gap configuration comprising one or more parameters defining infor- mation for processing one or more events relating to the first subscription entity which remains in the active state during the gap.
- a computer-readable medium comprising program instructions, which, when run by an apparatus, causes the ap- paratus to to carry out at least one of a first process or a second process, wherein the first process comprises at least: supporting multiple user subscriptions; send- ing a multiple user subscription gap request to an access node using a first sub- scription entity which is in an active state; using, in response to receiving in a radio resource reconfiguration message at least one gap configuration to be used during one or more multiple user subscription gaps, a gap configuration comprising one or more parameters defining information for processing one or more events relat- ing to the first subscription which remains in the active state during the gap, one of the at least one gap configuration received during multiple user subscription gaps, wherein the second process comprises at least: providing access node functionali- ties; determining, when a multiple user subscription gap request has been received from a served apparatus, at least one gap configuration to be used during one or more multiple user subscription gap, a gap configuration comprising one or more parameters defining information for processing one
- a non-transitory computer- readable medium comprising program instructions, which, when run by an appa- ratus, causes the apparatus to to carry out at least one of a first process or a second process, wherein the first process comprises at least: supporting multiple user sub- scriptions; sending a multiple user subscription gap request to an access node us- ing a first subscription entity which is in an active state; using, in response to re- ceiving in a radio resource reconfiguration message at least one gap configuration to be used during one or more multiple user subscription gaps, a gap configuration comprising one or more parameters defining information for processing one or more events relating to the first subscription which remains in the active state dur- ing the gap, one of the at least one gap configuration received during multiple user subscription gaps, wherein the second process comprises at least: providing access node functionalities; determining, when a multiple user subscription gap request has been received from a served apparatus, at least one gap configuration to be used during one or more multiple user subscription gap, a gap configuration com- prising
- a computer program compris- ing instructions which, when the program is executed by an apparatus, cause the apparatus to carry out at least one of a first process or a second process
- the first process comprises at least: supporting multiple user subscriptions; send- ing a multiple user subscription gap request to an access node using a first sub- scription entity which is in an active state; using, in response to receiving in a radio resource reconfiguration message at least one gap configuration to be used during one or more multiple user subscription gap, a gap configuration comprising one or more parameters defining information for processing one or more events relating to the first subscription which remains in the active state during the gap, one of the at least one gap configuration received during multiple user subscription gaps
- the second process comprises at least: providing access node functionali- ties; determining, when a multiple user subscription gap request has been received from a served apparatus, at least one gap configuration to be used during one or more multiple user subscription gap, a gap configuration comprising one or more parameters defining information for processing one or more events relating to the served
- Figure 1 illustrates an exemplified wireless communication system
- Figure 2 illustrates an example of information exchange
- FIGS 8 and 9 are schematic block diagrams.
- Embodiments and examples described herein may be implemented in any communications system comprising wireless connection (s).
- LTE Ad- vanced Long term evolution advanced
- the embodiments may also be applied to other kinds of communications networks having suitable means by ad- justing parameters and procedures appropriately.
- UMTS universal mobile telecommunications system
- UTRAN radio access network
- LTE long term evolution
- LTE long term evolution
- WiMAX wireless local area network
- Bluetooth® personal communications services
- PCS personal communications services
- WCDMA wideband code division multiple access
- UWB ultra-wideband
- sensor networks sensor networks
- MANETs mo- bile ad-hoc networks
- IMS Internet Protocol multimedia subsystems
- Figure 1 depicts examples of simplified system architectures showing some elements and functional entities, all being logical units, whose implementa- tion may differ from what is shown.
- the connections shown in Figure 1 are logical connections; the actual physical connections may be different. It is apparent to a person skilled in the art that the system typically comprises also other functions and structures than those shown in Figure 1.
- Figure 1 shows user devices 101 and 101’ configured to be in a wireless connection on one or more communication channels in a cell with an access node (such as (e/g) NodeB) 102 providing the cell.
- the physical link from a user device to a (e/g)NodeB is called uplink or reverse link and the physical link from the (e/g)NodeB to the user device is called downlink or forward link.
- (e/g)NodeBs or their functionalities may be implemented by using any node, host, server or access point (AP) etc. entity suitable for such a usage.
- a communications system 100 typically comprises more than one (e/g) NodeB in which case the (e/g)NodeBs may also be configured to communicate with one another over links, wired or wireless, designed for the purpose. These links may be used for signalling purposes.
- the (e/g) NodeB is a computing device configured to control the radio resources of communication system it is coupled to.
- the NodeB may also be referred to as a base station, an access point or any other type of interfacing device including a relay station capable of operating in a wire- less environment.
- the (e/g)NodeB includes or is coupled to transceivers. From the transceivers of the (e/g) NodeB, a connection is provided to an antenna unit that establishes bi-directional radio links to user devices.
- the antenna unit may com- prise a plurality of antennas or antenna elements.
- the (e/g)NodeB is further con- nected to core network 105 (CN or next generation core NGC).
- CN core network 105
- the counterpart on the CN side can be a serving gateway (S-GW, routing and forwarding user data packets), packet data network gateway (P-GW), for providing connectivity of user devices (UEs) to external packet data networks, or mobile management entity (MME), etc.
- S-GW serving gateway
- P-GW packet data network gateway
- MME mobile management entity
- the user device also called UE, user equipment, user terminal, terminal device, etc.
- UE user equipment
- user terminal terminal device
- any feature described herein with a user device may be implemented with a corresponding apparatus, such as a relay node.
- a relay node is a layer 3 relay (self-backhauling relay) towards the base station.
- the user device typically refers to a portable computing device that in- cludes wireless mobile communication devices operating with or without a sub- scriber identification module (SIM), including, but not limited to, the following types of wireless devices: a mobile station (mobile phone), smartphone, personal digital assistant (PDA), handset, device using a wireless modem (alarm or meas- urement device, etc.), laptop and/or touch screen computer, tablet, game console, notebook, and multimedia device.
- SIM sub- scriber identification module
- a mobile station mobile phone
- smartphone personal digital assistant
- PDA personal digital assistant
- handset device using a wireless modem (alarm or meas- urement device, etc.)
- laptop and/or touch screen computer tablet, game console, notebook, and multimedia device.
- a user device may also be a nearly exclusive uplink only device, of which an example is a camera or video camera loading images or video clips to a network.
- a user device may also be a device having capability to operate in Internet of Things (loT) network which is a scenario in which objects are provided with the ability to transfer data over a network without requiring human-to-human or human-to-computer interaction.
- the user device may also utilise cloud.
- a user device may comprise a small portable device with radio parts (such as a watch, earphones or eyeglasses) and the computation is carried out in the cloud.
- the user device (or in some embodiments a relay node, such as a mobile termination (MT) part of the integrated access and backhaul (1AB) Node), is configured to perform one or more of user equipment functionalities.
- the user device may also be called a subscriber unit, mobile station, remote terminal, access terminal, user terminal or user equip- ment (UE) just to mention but a few names or apparatuses.
- CPS cyber- physical system
- 1CT devices sensors, actuators, processors micro- controllers, etc.
- Mobile cyber physical systems in which the physical system in question has inherent mobility, are a subcategory of cyber-physical systems. Examples of mobile physical systems include mobile robotics and electronics transported by humans or animals.
- apparatuses have been depicted as single en- tities, different units, processors and/or memory units (not all shown in Figure 1) may be implemented.
- 5G enables using, many more base stations or nodes or corresponding network devices than the LTE (a so-called small cell concept), including macro sites operating in co-operation with smaller stations and employing a variety of radio technologies depending on service needs, use cases and/or spectrum available.
- 5G mobile communications supports a wide range of use cases and related applica- tions including video streaming, augmented reality, different ways of data sharing and various forms of machine type applications (such as (massive) machine-type communications (mMTC), including vehicular safety, different sensors and real- time control.
- 5G is expected to have multiple radio interfaces, namely below 6GHz, cmWave and mmWave, and also being integradable with existing legacy radio ac- cess technologies, such as the LTE.
- Integration with the LTE may be implemented, at least in the early phase, as a system, where macro coverage is provided by the LTE and 5G radio interface access comes from small cells by aggregation to the LTE.
- 5G is planned to support both inter-RAT operability (such as LTE- 5G) and inter-RI operability (inter-radio interface operability, such as below 6GHz - cmWave, below 6GHz - cmWave - mmWave).
- inter-RAT operability such as LTE- 5G
- inter-RI operability inter-radio interface operability, such as below 6GHz - cmWave, below 6GHz - cmWave - mmWave.
- One of the concepts considered to be used in 5G networks is network slicing in which multiple independent and ded- icated virtual sub-networks (network instances) may be created within the sub- stantially same infrastructure to run services that have different requirements on latency, reliability, throughput and mobility.
- the current architecture in LTE networks is fully distributed in the ra- dio and fully centralized in the core network.
- the low latency applications and ser- vices in 5G require to bring the content close to the radio which leads to local break out and multi-access edge computing (MEC).
- MEC multi-access edge computing
- 5G enables analytics and knowledge generation to occur at the source of the data. This approach requires leveraging resources that may not be continuously connected to a network such as laptops, smartphones, tablets and sensors.
- MEC provides a distributed computing environ- ment for application and service hosting. It also has the ability to store and process content in close proximity to cellular subscribers for faster response time.
- Edge computing covers a wide range of technologies such as wireless sensor networks, mobile data acquisition, mobile signature analysis, cooperative distributed peer- to-peer ad hoc networking and processing also classifiable as local cloud/fog com- puting and grid/mesh computing, dew computing, mobile edge computing, cloud- let, distributed data storage and retrieval, autonomic self-healing networks, remote cloud services, augmented and virtual reality, data caching, Internet of Things (massive connectivity and/or latency critical), critical communications (autono- mous vehicles, traffic safety, real-time analytics, time-critical control, healthcare applications).
- technologies such as wireless sensor networks, mobile data acquisition, mobile signature analysis, cooperative distributed peer- to-peer ad hoc networking and processing also classifiable as local cloud/fog com- puting and grid/mesh computing, dew computing, mobile edge computing, cloud- let, distributed data storage and retrieval, autonomic self-healing networks, remote cloud services, augmented and virtual reality, data caching, Internet of Things (mass
- the communication system is also able to communicate with other net- works, such as a public switched telephone network or the Internet 106, or utilise services provided by them.
- the communication network may also be able to sup- port the usage of cloud services, for example at least part of core network opera- tions may be carried out as a cloud service (this is depicted in Figure 1 by "cloud" 107).
- the communication system may also comprise a central control entity, or a like, providing facilities for networks of different operators to cooperate for exam- ple in spectrum sharing.
- Edge cloud may be brought into radio access network (RAN) by utilizing network function virtualization (NVF) and software defined networking (SDN).
- Us- ing edge cloud may mean access node operations to be carried out, at least partly, in a server, host or node operationally coupled to a remote radio head or base sta- tion comprising radio parts. It is also possible that node operations will be distrib- uted among a plurality of servers, nodes or hosts.
- Application of cloudRAN archi- tecture enables RAN real time functions being carried out at the RAN side (in a dis- tributed unit, DU 102) and non-real time functions being carried out in a central- ized manner (in a centralized unit, CU 104).
- 5G (or new radio, NR) networks are being designed to sup- port multiple hierarchies, where MEC servers can be placed between the core and the base station or nodeB (gNB). It should be appreciated that MEC can be applied in 4G networks as well.
- 5G may also utilize satellite communication to enhance or complement the coverage of 5G service, for example by providing backhauling.
- Possible use cases are providing service continuity for machine-to-machine (M2M) or Internet of Things (IoT) devices or for passengers on board of vehicles, or ensuring service availability for critical communications, and future railway/maritime /aeronautical communications.
- Satellite communication may utilise geostationary earth orbit (GEO) satellite systems, but also low earth orbit (LEO) satellite systems, in partic- ular mega-constellations (systems in which hundreds of (nano) satellites are de- ployed).
- At least one satellite 103 in the mega-constellation may cover several sat- ellite-enabled network entities that create on-ground cells.
- the on-ground cells may be created through an on-ground relay node 102 or by a gNB located on- ground or in a satellite.
- the depicted system is only an example of a part of a radio access system and in practice, the system may comprise a plurality of (e/g)NodeBs, the user device may have an access to a plu- rality of radio cells and the system may comprise also other apparatuses, such as relay nodes, for example distributed unit (DU) parts of one or more IAB nodes, or other network elements, etc. At least one of the (e/g)NodeBs or may be a Home(e/g)nodeB. Additionally, in a geographical area of a radio communication system a plurality of different kinds of radio cells as well as a plurality of radio cells may be provided.
- DU distributed unit
- Radio cells may be macro cells (or umbrella cells) which are large cells, usually having a diameter of up to tens of kilometers, or smaller cells such as micro-, femto- or picocells.
- the (e/g)NodeBs of Figure 1 may provide any kind of these cells.
- a cellular radio system may be implemented as a multilayer network including several kinds of cells. Typically, in multilayer networks, one access node provides one kind of a cell or cells, and thus a plurality of (e/g)NodeBs may be needed to provide such a network structure.
- a network which is able to use “plug-and-play" (e/g)Node Bs includes, in addition to Home (e/g)NodeBs (H(e/g)nodeBs), a home node B gate- way, or HNB-GW (not shown in Figure 1).
- HNB-GW HNB Gateway
- a HNB Gateway (HNB-GW) which is typ- ically installed within an operator’s network may aggregate traffic from a large number of HNBs back to a core network.
- Subscription identities are used to access wireless network services.
- a user device may comprise one or more subscriber identity mod- ules, a module per a subscription identity, for example.
- a universal sub- scriber identity module (USIM) is a software application residing in a hardware part, called a universal integrated circuit card.
- the universal integrated circuit card may contain multiple universal subscriber identity modules, thereby supporting multiple subscription identities.
- subscription identities may be from different network operators and/or two or more of them may be from the substantially same network operator.
- a user device configured to support mul- tiple subscription identities may use common radio network operator.
- a user device configured to support mul- tiple subscription identities may be implemented to allow one, or some, of corre- sponding multiple subscription identity entities to be in an active state, while the other/others is/are in an inactive state or in an idle state.
- the user device implementation may be based on use of common radio and baseband com- ponents shared among the multiple subscription identity entities.
- a user device configured to support multiple subscription identities is called in 5 G a multi-USIM device, or an MUSIM-device.
- Figure 2 illustrates an example of information exchange between a user device, denoted by UE in Figure 2, and an access node, denoted by gNB in Figure 2, providing radio access to a network to user devices having subscriptions, identified by subscription identities, that allow access to the network.
- UE user device
- gNB access node
- the user device UE has multiple subscription identities and corre- sponding entities, a subscription identity entity being denoted by US1M in Figure 2, and called below a subscription entity. Further, there are several timers, examples of which are given below with Figure 7, configured in the user device to run for an subscriber entity in the active state.
- a first subscription entity is in an active state, having a first connection via the access node gNB to a network corresponding with the first subscription entity, and one or more timers for the connection may be running.
- the user device, or its first subscription entity is served by the access node.
- one gap configuration is used as an example.
- two or more gap configura- tions may be determined for the user device (for the first subscription entity).
- the user device request a scheduled gap from the first connection by sending message 2-1 over the first connection to the access node.
- the gap is intended for one or more inactive or idle state subscription iden- tities (identity entities) to perform a procedure/activity that is short enough to al- low the first subscription entity to stay in the active state during the gap without leaving the first connection.
- Message 2-1 may be a MUS1M Gap Request.
- the sched- uled gap may be requested to be a periodic gap, for example for fixed time activities (procedures) for the other subscriber identities, or a non-periodic gap for non- fixed time activities (procedures).
- a non-limiting list of examples of the fixed time activities for an idle subscription entity include paging related procedures (moni- toring for paging downlink control information, receiving a paging message, re- sponding to the paging message, etc.) and receiving updated system information blocks.
- a non-limiting list of examples of the non-fixed time, flexible activities in- clude performing radio resource management measurement for cell reselection, performing mobile originated signaling (for registration, for tracking area updates, for routing area updates, for sending busy indication, etc.), and receiving an on- demand system information block.
- the access node gNB determines, in the illustrated example, in block 2-2 a gap configuration for the first subscription entity to be used during one or more gaps.
- two or more gap configurations may be determined.
- at least one gap configuration is determined in block 2-2). More precisely, at least one or more parameters defining information for processing (e.g., how to process) one or more events relating to the first subscription which remains in the active state during the gap are determined in block 2-2.
- the gap configuration it is possible to address issues relating to possible configured grants for uplink and/or downlink transmissions to/from the first subscription that may occur during the gap and/or to timers configured to control functionality in the active state. For example, a run- ning timer expiring during a gap may result in a false evaluation, for example to detection of a radio link failure.
- the gap configuration may configure uplink data transmissions during the gap to use enhanced or more robust transmission and disabling reception feed- back.
- the more robust transmission allows disabling the reception feedback. This addresses an issue that when a scheduled gap collides in time with a reception feedback of a transmission transmitted using configured grant to uplink, the feed- back, like acknowledgement, cannot be received during the gap.
- a more detailed example is described with Figure 4.
- the gap configuration may configure an offset to downlink data trans- mission for initial feedback to the user device (first subscription entity), which are scheduled with configured grant to downlink.
- first subscription entity the user device
- the offset it is also ensured that the feedback is received since it is not transmitted during the gap.
- the gap configuration may configure the user device (first subscription entity) to handle possible various timers during the gap. For example, actions may be given for timers, for example per a timer class, as will be described in more detail with Figures 6 and 7.
- Message 2-3 may be a radio resource control (RRC) reconfiguration message, which may include, as information elements, for gap configuration configuring uplink configured grants operation during a gap, downlink configured grants operation during the gap and timers during the gap, for example following: MusimGapConfigParams ⁇ rrc-ConfiguredUplinkGrantParamsDuringGap ⁇ precodingAndNumberOfLayers INTEGER (0..63), mcsAndTBS INTEGER (0..31), disableHARQ BOOL
- RRC radio resource control
- TimerHandlingDuringGaps Sequence of TimerClass ⁇ prohibitTimer, Inactivity Timer, FailureDetectionan- dRecoveryTimer,DrxTimer,periodicBSRTimer etc. ⁇
- the more robust uplink transmission is config- ured by setting values for parameters defining precoding, a number of layers, a modulation coding scheme (MCS), a transport block size (TBS], and by disabling hybrid automatic repeat request (HARQ).
- MCS modulation coding scheme
- TBS transport block size
- HARQ hybrid automatic repeat request
- the user device monitors after transmitting data as scheduled by a configured grant, a new data indicator (NDI) bit in the physical downlink control channel(PDCCH) (The new data indicator bit set as one to indicates HARQ NACK (negative acknowledge- ment), i.e. that a transmission failed.
- NDI new data indicator
- NDI new data indicator
- HARQ NACK negative acknowledge- ment
- message 2-3 may comprise one or two of the sets, or any of the sets may be sent in a separate message.
- message 2-3 may configure mere uplink configured grant operations during one or more gaps, and contain following information elements: MusimGapConfigParams ⁇ rrc-ConfiguredUplinkGrantParamsDuringGap ⁇ precodingAndNumberOfLayers INTEGER (0..63), mcsAndTBS INTEGER (0..31), disableHARQ BOOL
- message 2-3 may configure mere downlink config- ured grant operations during one or more gaps, and contain following information elements:
- Message 2-3 may also configure mere timers, i.e. one or more timers, and contain following information elements:
- TimerClass choice prohibitTimer, Inactivity Timer, FailureDetectionan- dRecoveryTimer,DrxTimer,periodicBSRTimer etc.
- the access node gNB may have determined in point 2-2 to configure timers in general to continue running during the gap with existing timer values with one or more exception.
- message 2-3 may contain for the gap configuration following timer con- figuration for timers belonging to a prohibit timer class to run with existing values, except for a timer called sr-ProhibitTimer, which is provided with an offset to the timer value.
- the information elements in message 2-3 may be: timerHandlingDuringGaps Sequence of TimerClass ⁇
- the gap configuration may also comprise information defining when a gap starts, duration of the gap and periodicity of the gaps.
- the user device After receiving message 2-3, the user device (first subscription entity] uses (block 2-4 ⁇ the gap configuration during one or more gaps, depending on whether the request (message 2-1 ⁇ scheduled periodic gaps or one gap. Corre- spondingly, the access node uses (block 2-5 ⁇ the gap configuration during the one or more gaps.
- the user device has received (block 300 ⁇ a configured grant configuration for uplink and/or down- link transmissions and a gap configuration.
- block 301: yes ⁇ with data to be transmitted or scheduled to be received it is checked in block 302, whether the transmission occasion is during a scheduled gap. In other words, it is checked whether the transmission occasion is within the gap or collides with the gap. If the transmission occasion is during the scheduled gap (block 302: yes), the gap configuration is used in block 303 for the transmission. Then the pro- cess returns to block 301 to monitor when the next transmission occasion occurs. If the transmission occasion is not during the scheduled gap (block 302: no), the configured grant configuration is used in block 304 for the transmission. Then the process returns to block 301 to monitor when the next transmission occasion oc- curs.
- Figure 4 illustrates a more detailed example relating to uplink config- ured grant operations in 5G environment.
- a radio resource control (RRC) reconfiguration message with an uplink configured grant (UL CG) configuration sending a gap re- quest for multiple subscription entities (MUSIM gap request) is caused in step 402.
- RRC radio resource control
- a response to the request is received in block 403, the response being a radio re- source control (RRC) reconfiguration message with uplink (UL) gap configuration, i.e. gap configuration for uplink. Examples of such a gap configuration are given above with Figure 2.
- the gap configuration configures an enhanced or a more ro- bust configured grant to avoid a need for hybrid automatic repeat request, i.e.
- a scheduled transmission (tx) occasion i.e. a scheduled uplink transmission according to the uplink configured grant
- tx a scheduled uplink transmission according to the uplink configured grant
- feedback (downlink transmission) on the uplink transmission collides with the gap, when the gap is for downlink infor- mation.
- the data is transmitted in block 406 using the gap configuration, and the hy- brid automatic repeat request is disabled in block 406 for this data transmission. Then the process proceeds to block 404 to wait the next scheduled transmission to be detected. If the scheduled transmission occasion does not collide with the gap (block 405: no), the data is transmitted in block 407 using the configured grant (CG) configuration with the hybrid automatic repeat request. Then the process pro- ceeds to block 404 to wait the next scheduled transmission to be detected.
- CG configured grant
- the user device avoids resending the uplink data mere because no feedback was received because of the feedback colliding with the gap. (Correspondingly, the access node does not in vain try to send the feedback.)
- Figure 5 illustrates a more detailed example relating to downlink con- figured grant operations in 5G environment.
- the user device when the user device (a subscription entity in an active state) receives in block 501 a radio resource control (RRC) reconfiguration message with a downlink configured grant (DL CG) configuration, sending a gap request for multiple subscription entities (MUS1M gap request) is caused in step 502.
- the downlink configured grant configuration may configure semi persistent scheduling (SPS) in downlink, the configuration defining the periodicity of down- link transmissions, i.e. reception occasions in view of the user device, while a phys- ical downlink control channel targeted (addressed) to the subscription entity in the active state may activate or deactivate the configured downlink transmission.
- SPS semi persistent scheduling
- a re- sponse to the request is received in block 503, the response being a radio resource control (RRC) reconfiguration message with an offset to the semi persistent sched- uling, the offset defining the number of slots after the end of the gap, the number of slots defining where the next downlink transmission in a physical downlink shared channel is.
- RRC radio resource control
- the offset configures a new location for the downlink data. The reason is that during the gap the downlink path (reception path) is not available for the subscription entity in the active state since it is reserved for one or more subscription entities in the idle or inactive state.
- a scheduled reception occasion i.e. a scheduled assignment for downlink transmission according to the semi persistent scheduling for downlink (DL) configured grant is detected in block 504, it is checked in block 505, whether it is during the gap. In other words, it is checked, whether downlink transmission collides with the gap, when the gap is for downlink information.
- DL downlink
- the physical downlink shared channel (PDSCH) is received in block 506 using the gap configuration, by receiving downlink based on the end of the gap and the offset (SPS offset). Then the process proceeds to block 504 to wait the next scheduled occurrence of downlink assignment to be detected.
- PDSCH physical downlink shared channel
- the physical downlink shared channel (PDSCH) is received in block 507 as scheduled in the semi persistent scheduling (SPS). Then the process proceeds to block 504 to wait the next scheduled transmission to be detected.
- PDSCH physical downlink shared channel
- the gap configuration Thanks to use of the gap configuration, a collision of downlink data and the gap is avoided and the downlink data can be transmitted and received earlier than would be the case if the configuration received in block 501 would be used.
- Figures 6 and 7 illustrate different examples of timer operations that are configured to take into account gaps.
- Figure 6 illustrates an example in which there exists default timer actions to be used during gaps
- Figure 7 illustrates an example how the timer operations may be implemented during a gap.
- one or more or all timers may be clas- sified to a timer class.
- a timer may be classified to one of the following classes: a prohibition timer, an inactivity timer, a failure detection and recovery timer, a discontinuous reception timer, and a buffer status timer.
- timers that can be classified to be a prohibition timer include, using the terminology in the new radio, include following timers: sr-Pro- hibitTimer, logicalChannelSR-DelayTimerApplied, bitRateQueryProhibitTimer, phr-PeriodicTimer, delayBudgetReportingProhibitTimer, overheatinglndica- tionProhibitTimer, drx-PreferenceProhibitTimer, maxBW-PreferencePro- hibitTimer, maxCC-PreferenceProhibitTimer, maxMIMO-LayerPreferencePro- hibitTimer, minSchedulingOffsetPreferenceProhibitTimer; ReleasePreferencePro- hibitTimer; onDemandSIB-RequestProhibitTimer-rl6.
- timers that can be classified to be an inactivity timer include, using the terminology in the new radio: bwp-Inactivity- Timer, and datalnactivityTimer.
- timers that can be classified to be a failure detection and recovery timer include following tim- ers: bt-FailureDetectionTimer, and beamFailureRecoveryTimer.
- Timers having one or more timer actions configured in the gap configu- ration (block 602: yes) are run (block 603) during gaps as defined in the received timer action configuration.
- Timers having no timer action configured in the gap configuration are run (block 604) during the gaps according to default timer ac- tions.
- the default timer actions may be defined per a timer (timer type), and/or per a timer class, and/or a common timer may be used for timers.
- a default action may be to continue running, for timers belonging to the inactivity timer class, a default action may be to suspend, for timers belonging to the failure detection and recovery timer class, a default action may be to stop and restart after the gap, and for timers belonging to the discontinuous reception timer class, a de- fault action may be to run with a specific condition that the user device starts with an on-duration timer after the gap.
- a default action for a timer may be overridden by the gap configuration comprising definitions configuring the timer to perform another action.
- Figure 7 illustrates an example how to implement timer actions during a gap.
- a gap configuration with timer actions have been received (block 700).
- timers are pro- Switchd in a serial manner.
- timers may be processed, using the substantially same principles, in a parallel manner as well.
- the timers are timers running for a subscription entity that is in the active state and which has requested the gaps.
- an unprocessed timer is taken in block 702 to be processed.
- step 703 it is checked, whether there is an individual gap configuration for the timer.
- the timer class of the timer and corresponding configured action for the timer class is determined in block 704. If the action is to suspend (block 705: yes), the timer is stopped in block 706 with an indication to restart after the gap with the current value of the timer (i.e. with the value at the time the gap starts).
- the timer continues to run in block 712 with its cur- rent value. In other words, the gap does not affect to the timer.
- block 714 When the action has been determined (i.e. after block 706, or after block 708, or after block 710, or after block 712 or after block 713), it is checked in block 714 whether an action has been determined for timers to which an action is to be determined (i.e. whether such timers have undergone the process). If not (block 714: no), the process continues to block 702 to take another timer to be processed.
- the process checks in block 715, whether the timer is a timing advance (TA) timer. If not (block 715: no), the process proceeds to block 705 to determine the action configured for the timer.
- TA timing advance
- the parameters in the gap configuration may define a condition when to continue running with an offset and when without an offset.
- the offset if any, may depend on downlink measurement results. Therefore, depending whether there is a condition, and whether the condition is fulfilled, the timing advance timer continues to run in block 716 with a possible offset to its current value, or with the current value.
- a user device may request a gap configuration when a subscription identity transits from the idle or inactive state to the active state, and the first gap configuration may de- fine when a gap is started, a duration of the gap and a periodicity of the gap, and when a configured grant is received, the user device requests an updated gap con- figuration, the updated gap configuration comprising one or more parameters de- fining information for processing (e.g., how to process) one or more events, as de- scribed above.
- the access node is configured to determine whether the gap configuration is a first one or an updated one, and provide corre- sponding gap configurations.
- the first gap configuration may configure timer ac- tions, and the updated configuration may configure further timer actions and/or parameters for more robust transmission and disabling feedback.
- the access node may send a configured grant with updated gap configu- ration, i.e. without a specific request for updated gap configuration from the user device, based on an earlier received gap request and an existing gap configuration (the first or updated) for the user device.
- Figures 8 and 9 illustrate apparatuses comprising a communication controller 810, 910 such as at least one processor or processing circuitry, and at least one memory 820, 920 including a computer program code (software, algo- rithm) ALG. 821, 921, wherein the at least one memory and the computer program code (software, algorithm) are configured, with the at least one processor, to cause the respective apparatus to carry out any one of the embodiments, examples and implementations described above.
- Figure 8 illustrates an apparatus configured to provide wireless access and gap configurations to user devices, or any correspond- ing apparatus, supporting multiple user subscription identities
- an apparatus may be configured to be a com- bination of the apparatuses of Figures 8 and 9, i.e. serving one or more apparatuses supporting multiple user subscription entities while itself supporting multiple user subscription entities and using one of them towards a core network.
- the apparat- uses of Figures 8 and 9 may be electronic devices, for example a wearable device, a home appliance device, a smart device, like smart phone or smart screen, a vehicu- lar device, just to name couple of examples in addition to those listed with Figure 1.
- the memory 820, 920 may be implemented using any suitable data storage technology, such as semiconductor based memory devices, flash memory, magnetic memory devices and systems, optical memory de- vices and systems, fixed memory and removable memory.
- the memory may com- prise a configuration storage CONF. 821, 921, such as a configuration database, for at least storing gap configurations.
- the memory 820, 920 may further store a data buffer for data waiting to be processed (including transmission).
- the apparatus for example gNB, comprises a com- munication interface 830 comprising hardware and/or software for realizing com- munication connectivity according to one or more wireless and/or wired commu- nication protocols.
- the communication interface 830 may provide the apparatus with radio communication capabilities with user devices (terminal devices, appa- ratuses) camping in one or more cells controlled by the apparatus, as well as com- munication capabilities towards a wired network.
- Digital signal processing regarding transmission and reception of sig- nals may be performed in a communication controller 810.
- the communication in- terface may comprise standard well-known components such as an amplifier, filter, frequency-converter, (de) modulator, and encoder/decoder circuitries and one or more antennas.
- the communication controller 810 comprises a gap configuring pro- cessing circuitry 811 configured to configure user devices with gap configura- tion(s) according to any one of the embodiments/examples/implementations de- scribed above.
- the communication controller 810 may control the gap configuring processing circuitry 811. Further, the communication controller 810 may control information exchange and/or related timers according to a corresponding gap con- figuration so that the apparatus of Figure 8 and a configured apparatus operate in a synchronous manner.
- At least some of the functionalities of the apparatus of Figure 8 may be shared between two physically separate devices, forming one operational entity. Therefore, the apparatus may be seen to depict the operational entity comprising one or more physically separate devices for executing at least some of the processes described with respect to the gNB.
- the apparatus 900 may further comprise a com- munication interface 930 comprising hardware and/or software for realizing com- munication connectivity according to one or more communication protocols.
- the communication interface 930 may provide the apparatus 900 with communication capabilities with the apparatus of Figure 8.
- the communication interface may com- prise standard well-known analog components such as an amplifier, filter, fre- quency-converter and circuitries, and conversion circuitries transforming signals between analog and digital domains. Digital signal processing regarding transmis- sion and reception of signals may be performed in a communication controller 910.
- the communication controller 910 comprises a multiple subscriber identity (MUSIM) supporting processing circuitry 911 configured to use received gap configurations according to any one of the embodiments/examples/imple- mentations described above.
- the multiple subscriber identity supporting pro- cessing circuitry 911 may be configured to request gap configurations according to any one of the embodiments/examples/implementations described above.
- the communication controller 910 may control the multiple subscriber identity sup- porting processing circuitry 911.
- one or more timers may be controlled by the communication controller 910 and/or by the mul- tiple subscriber identity supporting processing circuitry 911.
- circuitry refers to all of the follow- ing: (a) hardware-only circuit implementations, such as implementations in only analog and/or digital circuitry, and (b) combinations of circuits and soft- ware (and/or firmware), such as (as applicable): (i) a combination of processor(s) or (ii) portions of processor(s)/software including digital signal processor(s), software, and memory(ies) that work together to cause an apparatus to perform various functions, and (c) circuits, such as a microprocessor(s) or a portion of a micropro- cessor(s), that require software or firmware for operation, even if the software or firmware is not physically present.
- circuitry' applies to all uses of this term in this application.
- the term 'circuitry' would also cover an implementation of merely a processor (or mul- tiple processors) or a portion of a processor and its (or their) accompanying soft- ware and/or firmware.
- the term 'circuitry' would also cover, for example and if applicable to the particular element, a baseband integrated circuit or applications processor integrated circuit for a mobile phone or a similar integrated circuit in a server, a cellular network device, or another network device.
- At least some of the processes described in connec- tion with Figures 2 to 7 may be carried out by an apparatus comprising correspond- ing means for carrying out at least some of the described processes.
- the apparatus may comprise separate means for separate phases of a process, or means may per- form several phases or the whole process.
- Some example means for carrying out the processes may include at least one of the following: detector, processor (includ- ing dual-core and multiple-core processors), digital signal processor, controller, re- DCver, transmitter, encoder, decoder, memory, RAM, ROM, software, firmware, dis- play, user interface, display circuitry, user interface circuitry, user interface soft- ware, display software, circuit, antenna, antenna circuitry, and circuitry.
- the at least one processor, the memory, and the computer program code form processing means or comprises one or more computer program code por- tions for carrying out one or more operations according to any one of the embodi- ments/examples/implementations described herein.
- the apparatus carrying out the embodiments/examples comprises a circuitry including at least one processor and at least one memory including computer program code.
- the cir- cuitry When activated, causes the apparatus to perform at least some of the functionalities accord- ing to any one of the embodiments/examples/implementations of Figures 2 to 7, or operations thereof.
- the appa- ratus (es) of embodiments may be implemented within one or more application- specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programma- ble gate arrays (FPGAs), processors, controllers, micro-controllers, microproces- sors, other electronic units designed to perform the functions described herein, or a combination thereof.
- ASICs application- specific integrated circuits
- DSPs digital signal processors
- DSPDs digital signal processing devices
- PLDs programmable logic devices
- FPGAs field programma- ble gate arrays
- processors controllers, micro-controllers, microproces- sors, other electronic units designed to perform the functions described herein, or a combination thereof.
- the implementation can be car- ried out through modules of at least one chip set (e.g. procedures, functions, and so on) that perform the functions described herein.
- the software codes may be stored in a memory unit and executed by processors.
- the memory unit may be imple- mented within the processor or externally to the processor. In the latter case, it can be communicatively coupled to the processor via various means, as is known in the art.
- the components of the apparatuses (nodes) described herein may be rearranged and/or complemented by additional components in order to facili- tate the achievements of the various aspects, etc., described with regard thereto, and they are not limited to the precise configurations set forth in the given figures, as will be appreciated by one skilled in the art.
- Embodiments/examples/implementations as described may also be carried out in the form of a computer process defined by a computer program or portions thereof. Embodiments of the methods described in connection with Fig- ures 2 to 7 may be carried out by executing at least one portion of a computer pro- gram comprising corresponding instructions.
- the computer program may be in source code form, object code form, or in some intermediate form, and it may be stored in some sort of carrier, which may be any entity or device capable of carry- ing the program.
- the computer program may be stored on a computer program distribution medium readable by a computer or a processor.
- the com- puter program medium may be, for example but not limited to, a record medium, computer memory, read-only memory, electrical carrier signal, telecommunica- tions signal, and software distribution package, for example.
- the computer pro- gram medium may be a non-transitory medium, for example. Coding of software for carrying out the embodiments as shown and described is well within the scope of a person of ordinary skill in the art.
- a computer-readable me- dium comprises said computer program.
- E-UTRA evolved UMTS terrestrial radio access
- E-UTRAN evolved universal mobile telecommunications system radio access net- work
- GEO geostationary earth orbit
- GHz gigahertz
- gNB next generation nodeB
- HARQ hybrid automatic repeat request
- H(e/g)nodeBs home (evolved/next generation) node Bs
- HNB home node B
- HNB-GW home node B gateway
- IAB integrated access and backhaul
- ICT information and communications technology
- IMS Internet Protocol multimedia subsystems
- IP internet protocol
- IoT internet of things
- kHz kilohertz
- LTE longterm evolution
- LTE-A long term evolution advanced
- MANET mobile ad-hoc network
- MEC multi-access edge computing
- MME mobile management entity
- mMTC (massive) machine-type communications
- ms milliseconds
- MSC modulation coding scheme
- MT mobile termination
- M2M machine-to-machine
- MUSIM multi universal subscriber identity module
- NACK negative acknowledgement
- NDI new data indicator
- NGC next generation core
- NR new radio
- NVF network function virtualization
- PCS personal communications services
- PDA personal digital assistant
- PDCCH physical downlink control channel
- PDSCH physical downlink shared channel
- P-GW packet data network gateway
- RAN radio access network RAT: radio access technology
- RI radio interface
- RRC radio resource control rx: reception
- S-GW serving gateway
- UE user device or user equipment
- SDN software defined networking
- SIM subscriber identification module
- SPS semi persistent scheduling
- TA timing advance
- TBS transport block size
- tx transmission
- UL uplink
- UMTS universal mobile telecommunications system
- USIM universal subscriber identity module
- UTRAN universal mobile telecommunications system radio access network
- UWB ultra-wideband
- WCDMA wideband code division multiple access
- WiFi wireless local area network
- WiMAX worldwide interoperability for microwave access
- WLAN wireless local area network
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims
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WO2019083277A1 (en) * | 2017-10-24 | 2019-05-02 | Lg Electronics Inc. | Method and apparatus for performing random access procedure in wireless communication system |
US10623946B1 (en) * | 2019-03-25 | 2020-04-14 | Qualcomm Incorporated | Multi-SIM assistance information |
US20200351818A1 (en) * | 2019-04-30 | 2020-11-05 | Comcast Cable Communications, Llc | Wireless Communications for Network Access Configuration |
EP3751776A1 (en) * | 2019-06-11 | 2020-12-16 | Comcast Cable Communications LLC | Wireless communications and control information transmission/reception |
WO2021025491A1 (en) * | 2019-08-08 | 2021-02-11 | Samsung Electronics Co., Ltd. | Method for operating ue comprising plurality of sims in wireless communication system |
WO2021043417A1 (en) * | 2019-09-06 | 2021-03-11 | Lenovo (Singapore) Pte. Ltd. | Connection suspension for multiple sims |
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- 2022-03-10 WO PCT/FI2022/050153 patent/WO2022195161A1/en active Application Filing
- 2022-03-10 CN CN202280034999.4A patent/CN117322054A/en active Pending
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Patent Citations (6)
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WO2019083277A1 (en) * | 2017-10-24 | 2019-05-02 | Lg Electronics Inc. | Method and apparatus for performing random access procedure in wireless communication system |
US10623946B1 (en) * | 2019-03-25 | 2020-04-14 | Qualcomm Incorporated | Multi-SIM assistance information |
US20200351818A1 (en) * | 2019-04-30 | 2020-11-05 | Comcast Cable Communications, Llc | Wireless Communications for Network Access Configuration |
EP3751776A1 (en) * | 2019-06-11 | 2020-12-16 | Comcast Cable Communications LLC | Wireless communications and control information transmission/reception |
WO2021025491A1 (en) * | 2019-08-08 | 2021-02-11 | Samsung Electronics Co., Ltd. | Method for operating ue comprising plurality of sims in wireless communication system |
WO2021043417A1 (en) * | 2019-09-06 | 2021-03-11 | Lenovo (Singapore) Pte. Ltd. | Connection suspension for multiple sims |
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