WO2020056594A1 - Appareil et procédé pour la transmission de données - Google Patents

Appareil et procédé pour la transmission de données Download PDF

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Publication number
WO2020056594A1
WO2020056594A1 PCT/CN2018/106284 CN2018106284W WO2020056594A1 WO 2020056594 A1 WO2020056594 A1 WO 2020056594A1 CN 2018106284 W CN2018106284 W CN 2018106284W WO 2020056594 A1 WO2020056594 A1 WO 2020056594A1
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WIPO (PCT)
Prior art keywords
data
user terminal
paging message
downlink control
control information
Prior art date
Application number
PCT/CN2018/106284
Other languages
English (en)
Inventor
Srinivasan Selvaganapathy
Jussi-Pekka Koskinen
Haitao Li
Rapeepat Ratasuk
Original Assignee
Nokia Shanghai Bell Co., Ltd.
Nokia Solutions And Networks Oy
Nokia Technologies Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Nokia Shanghai Bell Co., Ltd., Nokia Solutions And Networks Oy, Nokia Technologies Oy filed Critical Nokia Shanghai Bell Co., Ltd.
Priority to CN201880099586.8A priority Critical patent/CN113039855A/zh
Priority to PCT/CN2018/106284 priority patent/WO2020056594A1/fr
Publication of WO2020056594A1 publication Critical patent/WO2020056594A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the exemplary and non-limiting embodiments of the invention relate generally to communications.
  • connections between communicating parties have traditionally been single connections, where a communication resource has been allocated for a call or a data connection.
  • a resource has been reserved for a user terminal
  • the terminal has been said to be in connected state.
  • the user terminal is in idle state.
  • data traffic this kind of procedure is suitable when the data transfer is continuous for a period of time or when there is relatively large amount of data to be transferred.
  • the procedure is cumbersome as it take a considerable amount of signaling to set up. It may even be the case that the signaling involved takes more resources than the actual data traffic.
  • Figure 1 illustrates a general architecture of an exemplary communication system
  • FIGS. 2, 3 and 4 are charts illustrating embodiments of the invention.
  • FIGS 5, 6 and 7 illustrate simplified examples of apparatuses applying some embodiments of the invention.
  • UMTS universal mobile telecommunications system
  • UTRAN long term evolution
  • LTE long term evolution
  • WiMAX wireless local area network
  • PCS personal communications services
  • WCDMA wideband code division multiple access
  • UWB ultra-wideband
  • IMS Internet Protocol multimedia subsystems
  • Fig. 1 depicts examples of simplified system architectures only showing some elements and functional entities, all being logical units, whose implementation may differ from what is shown.
  • the connections shown in Fig. 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 Fig. 1.
  • Fig. 1 shows a part of an exemplifying radio access network.
  • Fig. 1 shows user devices 100 and 102 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) 104 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 etc. entity suitable for such a usage.
  • a communications system 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 data and signaling 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 wireless 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 comprise a plurality of antennas or antenna elements.
  • the (e/g) NodeB is further connected to core network 106 (CN or next generation core NGC) .
  • core network 106 CN or next generation core NGC
  • 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 includes wireless mobile communication devices operating with or without a subscriber identification module (SIM) , including, but not limited to, the following types of devices: a mobile station (mobile phone) , smartphone, personal digital assistant (PDA) , handset, device using a wireless modem (alarm or measurement device, etc. ) , laptop and/or touch screen computer, tablet, game console, notebook, and multimedia device.
  • SIM subscriber identification module
  • a mobile station mobile phone
  • smartphone personal digital assistant
  • handset device using a wireless modem (alarm or measurement 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 (IoT) 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.
  • IoT Internet of Things
  • One technology in the above network may be denoted as narrowband Internet of Things (NB-Iot) .
  • NB-Iot narrowband Internet of Things
  • the user device may also be a device having capability to operate utilizing enhanced machine-type communication (eMTC) .
  • eMTC enhanced machine-type communication
  • the user device may also utilize 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 layer 3 relay 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 equipment CUE) just to mention but a few names or apparatuses.
  • CPS cyber-physical system
  • ICT devices sensors, actuators, processors microcontrollers, 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 entities, different units, processors and/or memory units (not all shown in Fig. 1) may be implemented.
  • 5G enables using multiple input -multiple output (MIMO) antennas, many more base stations or nodes 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 applications 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 access 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, above 6GHz -mmWave) .
  • inter-RAT operability such as LTE-5G
  • inter-RI operability inter-radio interface operability, such as below 6GHz -cmWave, above 6GHz -mmWave
  • One of the concepts considered to be used in 5G networks is network slicing in which multiple independent and dedicated virtual sub-networks (network instances) may be created within the 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 radio and fully centralized in the core network.
  • the low latency applications and services in 5G require to bring the content close to the radio which leads to local break out and mobile edge computing (MEC) .
  • 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 environment 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 computing and grid/mesh computing, dew computing, mobile edge computing, cloudlet, 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 (autonomous 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 computing and grid/mesh computing, dew computing, mobile edge computing, cloudlet, 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)
  • the communication system is also able to communicate with other networks, such as a public switched telephone network or the Internet 112, or utilize services provided by them.
  • the communication network may also be able to support the usage of cloud services, for example at least part of core network operations may be carried out as a cloud service (this is depicted in Fig. 1 by “cloud” 114) .
  • the communication system may also comprise a central control entity, or a like, providing facilities for networks of different operators to cooperate for example in spectrum sharing.
  • Edge cloud may be brought into radio access network (RAN) by utilizing network function virtualization (NVF) and software defined networking (SDN) .
  • RAN radio access network
  • NVF network function virtualization
  • SDN software defined networking
  • Using 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 station comprising radio parts. It is also possible that node operations will be distributed among a plurality of servers, nodes or hosts.
  • Application of cloudRAN architecture enables RAN real time functions being carried out at the RAN side (in a distributed unit, DU 104) and non-real time functions being carried out in a centralized manner (in a centralized unit, CU 108) .
  • 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 utilize geostationary earth orbit (GEO) satellite systems, but also low earth orbit (LEO) satellite systems, in particular mega-constellations (systems in which hundreds of (nano) satellites are deployed) .
  • GEO geostationary earth orbit
  • LEO low earth orbit
  • mega-constellations systems in which hundreds of (nano) satellites are deployed
  • Each satellite 110 in the mega-constellation may cover several satellite-enabled network entities that create on-ground cells.
  • the on-ground cells may be created through an on-ground relay node 104 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 plurality of radio cells and the system may comprise also other apparatuses, such as physical layer relay 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.
  • 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 are required to provide such a network structure.
  • a network which is able to use “plug-and-play” (e/g) NodeBs includes, in addition to Home (e/g) NodeBs (H (e/g) nodeBs) , a home node B gateway, or HNB-GW (not shown in Figure 1) .
  • HNB-GW HNB Gateway
  • a HNB Gateway (HNB-GW) which is typically installed within an operator’s network may aggregate traffic from a large number of HNBs back to a core network.
  • radio access network may be split into two logical entities called Central Unit (CU) and Distributed Unit (DU) .
  • CU Central Unit
  • DU Distributed Unit
  • both CU and DU supplied by the same vendor. Thus they are designed together and interworking between the units is easy.
  • the interface between CU and DU is currently being standardized by 3GPP and it is denoted F1 interface. Therefore in the future the network operators may have the flexibility to choose different vendors for CU and DU. Different vendors can provide different failure and recovery characteristics for the units. If the failure and recovery scenarios of the units are not handled in a coordinated manner, it will result in inconsistent states in the CU and DU (which may lead to subsequent call failures, for example) .
  • RRC connection setup is complete after a so called Msg5 (RRC connections setup complete message) has been transmitted. This procedure contains significant signaling overhead compared to the amount of data to be transmitted.
  • connectionless small data transmission in downlink is proposed.
  • the procedure may be denoted as early data transmission, EDT, and it avoids additional signaling overhead of random access procedure and associated contention resolution by proposing a solution to extend the downlink resource allocation for paging along with additional resource for the user terminal to send a page-response.
  • the procedure is especially suitable for user terminals which are known as stationary and also for user terminals for which the downlink data transmission is scheduled within short interval after uplink EDT transmission where the timing advance information is expected to be valid.
  • Fig. 2 is a flowchart and Fig. 3 is a signaling chart illustrating an embodiment of the invention.
  • Fig. 2 illustrates an example of the operation of an apparatus or a network element such as base station (gNB) or a part of a base station, the apparatus being configured to communicate with a user terminal.
  • gNB base station
  • the apparatus is configured to receive from core network data to be transmitted to user terminal.
  • Mobile Management Entity MME of the Core Network may inform the base station as part of a paging message that early downlink small data is pending for the user terminal.
  • MME may also include the small data in the paging message.
  • MME also include additional indication that whether the downlink transmission to the user terminal can be scheduled without getting timing advance information.
  • the apparatus is configured to allocate resource for transmitting downlink control information, DCI of the resource and a paging message to the user terminal;
  • the apparatus is configured to transmit downlink control information 300 and the paging message 302 to the user terminal, indicating that there is data to be sent to the terminal and how to acknowledge the paging message.
  • the apparatus is configured to indicate in the paging message 302 that there is data to be sent to the terminal. In an embodiment, the apparatus is configured to indicate in the downlink control information 300 that the paging message is to be acknowledged utilizing Physical Uplink Shared Channel Format 2 and indicate the resource allocation for Physical Uplink Shared Channel Format 2 transmission.
  • the downlink control information 300 is included in Physical Downlink Control Channel which is scrambled with a new early data transmission paging radio network temporary identifier, EDT-P-RNTI.
  • the above Physical Uplink Shared Channel Format 2 may be either Narrowband Physical Uplink Shared Channel Format 2, NPUSCH-F2 or MTC Physical Uplink Shared Channel Format 2, MPUSCH-F2.
  • a new DCI format can be used for scheduling paging message for early data transmission.
  • the base station may utilize different procedures depending on the properties of the user terminal.
  • Rel-16 user terminals capable of supporting downlink EDT may use different Paging Radio Network Temporary identifier, P-RNTI, on the Common Search Space, CSS, for paging and a different P-RNTI for user terminals of earlier releases and Rel-16 user terminals not capable of supporting downlink EDT.
  • the base station may indicate in the DCl that another DCI will follow on the current PDCCH, the DCI containing the PUSCH-F2 resource for the user terminal to send acknowledge for the paging message.
  • the indication may be a one bit information, for example.
  • the apparatus is configured to indicate in the paging message 302 that the paging message is to be acknowledged utilizing Physical Uplink Shared Channel Format 2, PUSCH-F2, and indicate the resource allocation for PUSCH-F2 transmission. In such a case, a new DCI form at is not required.
  • the apparatus is configured to receive on PUSCH-F2 an acknowledgement 304 from the user terminal.
  • the apparatus is configured to transmit downlink control information, DCI, 306, to the user terminal, the information indicating resource to be used in the transmission of EDT.
  • the base station may transmit DCI on PDCCH with DL-EDT-RNTI to inform the resource on PDSCH for transmission of the data.
  • the common search space corresponding to Random Access Response, RAR may be used for sending the DCI.
  • a new CSS for DL-EDT can be configured.
  • the apparatus is configured to transmit data 308 to the user terminal using the resources on PDSCH.
  • the apparatus is configured to receive an acknowledgement 310 from the user terminal.
  • the acknowledgement is received on PUSCH-F2.
  • the new DCI Format mentioned in step 202 above corresponds to scheduling paging message to include additional resource for PUSCH-F2 for reception of acknowledgement message, ACK. These resources can be used by the user terminal. This corresponds to downlink small data transmission to send ACK of PDSCH which also can be served as paging response. Here the user terminal is assumed to have valid timing advance.
  • the DCI for scheduling a paging message does not include any resource for receiving HARQ-ACK as the response to the paging is expected to be a random access procedure.
  • the random access procedure is completely avoided.
  • the above PUSCH-F2 may be either Narrowband Physical Uplink Shared Channel Format 2, NPUSCH-F2 or MTC Physical Uplink Shared Channel Format 2, MPUSCH-F2. The same applies to example below.
  • the above PDCCH may be either Narrowband Physical Downlink Control Channel, NPDCCH or MTC Physical Downlink Control Channel, MPDCCH.
  • NPDCCH Narrowband Physical Downlink Control Channel
  • MPDCCH MTC Physical Downlink Control Channel
  • Fig. 4 is a flowchart illustrating an embodiment of the invention.
  • Fig. 4 illustrates an example of the operation of an apparatus such as a user terminal or a part of a user terminal, the apparatus being configured to communicate with a base station.
  • the apparatus is configured to receive from a base station downlink control information DCI 300 and a paging message 302 indicating there is data to be sent to the terminal and how to acknowledge the paging message.
  • the DCI may be received on Physical Downlink control channel, PDCCH. If the paging message contains one or more paging records for which downlink early data transmission, EDT, transmission is pending, the base station may indicate in the DCI additional resource allocation for Physical Uplink Shared Channel Format 2, PUSCH-F2, so that the user terminal may for acknowledge the paging message.
  • the user terminal when the user terminal receives DCI along with PUSCH-F2 resource allocation it may be configured first to decode the PDSCH and check whether its paging record is included in the PDSCH. If it contains the paging record, the user terminal may be configured to transmit the PUSCH-F2 304 corresponding to this paging record on the assigned resources in step 404.
  • the user terminal After sending PUSCH-F2 304 as page-response, the user terminal is configured to wait for DCI from the base station on the PDCCH scrambled with its DL-EDT-RNTI.
  • the apparatus is configured to receive from the base station the DCI 306 indicating resource to be used in the transmission of data.
  • step 410 the apparatus is configured to receive data on PDSCH.
  • the apparatus is configured to transmit an acknowledgement on PUSCH regarding the data.
  • the solution may be further extended for user terminals without valid timing advance by replacing the dedicated resource for PUSCH in the same DCI with the transmission of dedicated preambles on the same resource.
  • the short PRACH Formats of TDD which can fit within 2 msec may be used.
  • the apparatus may detect from the paging message that there is data to be sent to the terminal.
  • the apparatus may detect from the downlink control information that the message is to be acknowledged utilizing Physical Uplink Shared Channel Format 2.
  • Fig. 5 illustrates an embodiment.
  • the figure illustrates a simplified example of an apparatus applying embodiments of the invention.
  • the apparatus may be a base station (gNB) or a part of a base station.
  • gNB base station
  • the apparatus is depicted herein as an example illustrating some embodiments. It is apparent to a person skilled in the art that the apparatus may also comprise other functions and/or structures and not all described functions and structures are required. Although the apparatus has been depicted as one entity, different modules and memory may be implemented in one or more physical or logical entities.
  • the apparatus of the example includes a control circuitry 500 configured to control at least part of the operation of the apparatus.
  • the apparatus may comprise a memory 502 for storing data. Furthermore the memory may store software 504 executable by the control circuitry 500. The memory may be integrated in the control circuitry.
  • the apparatus comprises a transceiver 506.
  • the transceiver is operationally connected to the control circuitry 500. It may be connected to an antenna arrangement (not shown) .
  • the apparatus may further comprise interface circuitry 508 configured to connect the apparatus to other devices and network elements of communication system, for example to other corresponding apparatuses and network elements, such as the Core Network.
  • the interface may provide a wired or wireless connection to the communication network.
  • the software 504 may comprise a computer program comprising program code means adapted to cause the control circuitry 500 of the apparatus to receive from core network data to be transmitted to user terminal; allocate resource for transmitting downlink control information of the resource and a paging message to the user terminal; transmit downlink control information and the paging message to the user terminal, indicating that there is data to be sent to the terminal and how to acknowledge the paging message; receive an acknowledgement from the user terminal; transmit downlink control information to the user terminal, the information indicating resource to be used in the transmission of data; transmit data to the user terminal; receive an acknowledgement from the user terminal.
  • the apparatus of Fig. 6 may comprise a remote control unit RCU 600, such as a host computer or a server computer, operatively coupled (e.g. via a wireless or wired network) to a remote radio head RRH 602 located in the base station.
  • RCU 600 remote control unit
  • the apparatus of Fig. 6, utilizing such shared architecture may comprise a remote control unit RCU 600, such as a host computer or a server computer, operatively coupled (e.g. via a wireless or wired network) to a remote radio head RRH 602 located in the base station.
  • RCU 600 remote control unit
  • the apparatus of Fig. 6 may comprise a remote control unit RCU 600, such as a host computer or a server computer, operatively coupled (e.g. via a wireless or wired network) to a remote radio head RRH 602 located in the base station.
  • at least some of the described processes may be performed by the RCU 600.
  • the execution of at least some of the described processes may be shared among
  • the RCU 600 may generate a virtual network through which the RCU 600 communicates with the RRH 602.
  • virtual networking may involve a process of combining hardware and software network resources and network functionality into a single, software-based administrative entity, a virtual network.
  • Network virtualization may involve platform virtualization, often combined with resource virtualization.
  • Network virtualization may be categorized as external virtual networking which combines many networks, or parts of networks, into the server computer or the host computer (e.g. to the RCU) . External network virtualization is targeted to optimized network sharing. Another category is internal virtual networking which provides network-like functionality to the software containers on a single system. Virtual networking may also be used for testing the terminal device.
  • the virtual network may provide flexible distribution of operations between the RRH and the RCU.
  • any digital signal processing task may be performed in either the RRH or the RCU and the boundary where the responsibility is shifted between the RRH and the RCU may be selected according to implementation.
  • Fig. 7 illustrates an embodiment.
  • the figure illustrates a simplified example of an apparatus applying embodiments of the invention.
  • the apparatus may be a user terminal or a part of a user terminal.
  • the apparatus is depicted herein as an example illustrating some embodiments. It is apparent to a person skilled in the art that the apparatus may also comprise other functions and/or structures and not all described functions and structures are required. Although the apparatus has been depicted as one entity, different modules and memory may be implemented in one or more physical or logical entities.
  • the apparatus of the example includes a control circuitry 700 configured to control at least part of the operation of the apparatus.
  • the apparatus may comprise a memory 702 for storing data. Furthermore the memory may store software 704 executable by the control circuitry 700. The memory may be integrated in the control circuitry.
  • the apparatus comprises a transceiver 706.
  • the transceiver is operationally connected to the control circuitry 700. It may be connected to an antenna arrangement (not shown) .
  • the apparatus may further comprise user interface circuitry 708 configured to enable user of the apparatus to communicate with the apparatus.
  • the user interface may comprise a microphone, a speaker, a display which may be touch sensitive, a keyboard (which may be realized with the touch sensitive display) and other devices known in the art. connect the apparatus to other devices and network elements of communication system, for example to other corresponding apparatuses and network elements, such as the Core Network.
  • the interface may provide a wired or wireless connection to the communication network.
  • the software 604 may comprise a computer program comprising program code means adapted to cause the control circuitry 600 of the apparatus to control the apparatus to receive from a base station downlink control information and a paging message indicating there is data to be sent to the terminal and how to acknowledge the paging message, transmit an acknowledgement regarding the paging message, receive from the base station downlink control information indicating resource to be used in the transmission of data, receive data, and transmit an acknowledgement regarding the data.
  • the apparatuses or controllers able to perform the above-described steps may be implemented as an electronic digital computer, which may comprise a working memory (RAM) , a central processing unit (CPU) , and a system clock.
  • the CPU may comprise a set of registers, an arithmetic logic unit, and a controller.
  • the controller is controlled by a sequence of program instructions transferred to the CPU from the RAM.
  • the controller may contain a number of microinstructions for basic operations.
  • the implementation of microinstructions may vary depending on the CPU design.
  • the program instructions may be coded by a programming language, which may be a high-level programming language, such as C, Java, etc., or a low-level programming language, such as a machine language, or an assembler.
  • the electronic digital computer may also have an operating system, which may provide system services to a computer program written with the program instructions.
  • circuitry refers to all of the following: (a) hardware-only circuit implementations, such as implementations in only analog and/or digital circuitry, and (b) combinations of circuits and software (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 microprocessor (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.
  • circuitry would also cover an implementation of merely a processor (or multiple processors) or a portion of a processor and its (or their) accompanying software and/or firmware.
  • 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.
  • An embodiment provides a computer program embodied on a distribution medium, comprising program instructions which, when loaded into an electronic apparatus, are configured to control the apparatus to execute the embodiments described above.
  • 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 carrying the program.
  • carrier include a record medium, computer memory, read-only memory, and a software distribution package, for example.
  • the computer program may be executed in a single electronic digital computer or it may be distributed amongst a number of computers.
  • the apparatus may also be implemented as one or more integrated circuits, such as application-specific integrated circuits ASIC.
  • Other hardware embodiments are also feasible, such as a circuit built of separate logic components.
  • a hybrid of these different implementations is also feasible.

Abstract

L'invention concerne un appareil et un procédé pour la transmission de données. Le procédé est exécuté dans un appareil d'un système de communication et consiste à : recevoir (202), d'un réseau central, des données devant être transmises au terminal utilisateur ; attribuer (204) une ressource pour transmettre des informations de commande de liaison descendante de la ressource et un message de radiomessagerie au terminal utilisateur ; transmettre (206) des informations de commande de liaison descendante et le message de radiomessagerie au terminal d'utilisateur, indiquant que des données doivent être envoyées au terminal et de quelle façon accuser réception du message de radiomessagerie ; recevoir (208) un accusé de réception, du terminal utilisateur ; transmettre (210) des informations de commande de liaison descendante au terminal utilisateur, les informations indiquant une ressource devant être utilisée dans la transmission de données ; transmettre (212) des données au terminal utilisateur et recevoir (214) un accusé de réception, du terminal utilisateur.
PCT/CN2018/106284 2018-09-18 2018-09-18 Appareil et procédé pour la transmission de données WO2020056594A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201880099586.8A CN113039855A (zh) 2018-09-18 2018-09-18 用于数据传输的装置和方法
PCT/CN2018/106284 WO2020056594A1 (fr) 2018-09-18 2018-09-18 Appareil et procédé pour la transmission de données

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/106284 WO2020056594A1 (fr) 2018-09-18 2018-09-18 Appareil et procédé pour la transmission de données

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WO2020056594A1 true WO2020056594A1 (fr) 2020-03-26

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Cited By (2)

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CN113498198A (zh) * 2020-04-03 2021-10-12 诺基亚通信公司 用于上行链路信号的配置
CN114339862A (zh) * 2020-09-29 2022-04-12 诺基亚通信公司 无线电接入网络中的干扰检测

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Publication number Priority date Publication date Assignee Title
CN102300331A (zh) * 2011-08-19 2011-12-28 电信科学技术研究院 数据传输方法和设备
CN104782207A (zh) * 2012-11-14 2015-07-15 高通股份有限公司 针对epdcch的pucch资源确定
WO2016021957A1 (fr) * 2014-08-06 2016-02-11 엘지전자 주식회사 Procédé de rétroaction d'acquittement/non-acquittement et équipement utilisateur
CN107466101A (zh) * 2016-06-03 2017-12-12 中兴通讯股份有限公司 终端位置的确定方法及装置

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Publication number Priority date Publication date Assignee Title
CN102300331A (zh) * 2011-08-19 2011-12-28 电信科学技术研究院 数据传输方法和设备
CN104782207A (zh) * 2012-11-14 2015-07-15 高通股份有限公司 针对epdcch的pucch资源确定
WO2016021957A1 (fr) * 2014-08-06 2016-02-11 엘지전자 주식회사 Procédé de rétroaction d'acquittement/non-acquittement et équipement utilisateur
CN107466101A (zh) * 2016-06-03 2017-12-12 中兴通讯股份有限公司 终端位置的确定方法及装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113498198A (zh) * 2020-04-03 2021-10-12 诺基亚通信公司 用于上行链路信号的配置
CN114339862A (zh) * 2020-09-29 2022-04-12 诺基亚通信公司 无线电接入网络中的干扰检测
CN114339862B (zh) * 2020-09-29 2024-05-03 诺基亚通信公司 无线电接入网络中的干扰检测

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