WO2018111166A1 - Attribution de ressources radio pour une communication entre un nœud de réseau radio multiopérateur et un dispositif sans fil - Google Patents

Attribution de ressources radio pour une communication entre un nœud de réseau radio multiopérateur et un dispositif sans fil Download PDF

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Publication number
WO2018111166A1
WO2018111166A1 PCT/SE2016/051297 SE2016051297W WO2018111166A1 WO 2018111166 A1 WO2018111166 A1 WO 2018111166A1 SE 2016051297 W SE2016051297 W SE 2016051297W WO 2018111166 A1 WO2018111166 A1 WO 2018111166A1
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WIPO (PCT)
Prior art keywords
carrier
radio
cellular network
wireless device
node
Prior art date
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Ceased
Application number
PCT/SE2016/051297
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English (en)
Inventor
Per Willars
Tomas Hedberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
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Telefonaktiebolaget LM Ericsson AB
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Publication of WO2018111166A1 publication Critical patent/WO2018111166A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers
    • 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—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • 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
    • H04L5/0042—Intra-user or intra-terminal allocation

Definitions

  • the invention relates to a method, radio resource allocation nodes, a
  • BYOD Bring-your-own-device
  • 25 indoor system supports at least one cell (carrier) per outdoor network on a
  • This type of system allows for sharing hardware for digital processing (given support in software), and for radio processing (given that the instantaneous bandwidth covers spectrum from multiple operators), while allowing separate configuration of cell
  • RAN Radio Access Network
  • MORAN Multi- Operator RAN
  • MORAN can also be applied in other indoor environments, e.g. in shopping centres and arenas and in outdoor environments, to increase coverage for a limited cost for operators.
  • a method for assigning radio resources for communication between a radio network node and a wireless device associated with a first cellular network wherein the radio network node is configured to provide coverage using at least the first cellular network and a second cellular network.
  • the method is performed in a radio resource allocation node and comprises the steps of: determining that radio resources on at least a first carrier, assigned to the first cellular network, are insufficient for data transmission between the radio network node and the wireless device; determining to use at least part of radio resources on a second carrier, originally assigned to the second cellular network, for a transmission associated with the first cellular network; and initiating transmission of a control signal to the wireless device over the first carrier, enabling the wireless device to use radio resources on the second carrier.
  • the step of transmitting a control signal may comprise transmitting a control signal to use carrier aggregation for the first carrier and the second carrier.
  • the step of transmitting a control signal may comprise transmitting a control signal to use dual connectivity for the first carrier and the second carrier.
  • the first cellular network and the second cellular network may be different Public Land Mobile Networks, PLMNs.
  • the step of determining to use at least part of radio resources on the second carrier may comprise determining to use only radio resources, for the transmission associated with the first cellular network, which would be unused by the second cellular network.
  • the step of determining to use at least part of radio resources on the second carrier may comprise determining to use at least part of radio resources on the second carrier for a transmission associated with the first cellular network only when data in a buffer for the wireless device is of a higher priority than data in a buffer for the second cellular network.
  • the method may further comprise the step of: triggering scheduling of data for the wireless device to be transmitted using the radio resources on the second carrier.
  • the method may further comprise the step of: recording the amount of data scheduled for the wireless device to be transmitted using the radio resources on the second carrier.
  • the method may be applied for downlink data.
  • the method may be applied for uplink data.
  • the step of determining to use at least part of radio resources on a second carrier may be performed only when a limit for resource usage for the first cellular network using the second carrier is not exceeded.
  • the step of determining to use at least part of radio resources on a second carrier is only performed when a limit for resource usage for cellular networks, other than the second cellular network, using the second carrier is not exceeded.
  • a radio resource allocation node for assigning radio resources for communication between a radio network node and a wireless device associated with a first cellular network, wherein the radio network node is configured to provide coverage using at least the first cellular network and a second cellular network.
  • the radio resource allocation node comprises: a processor; and a memory storing instructions that, when executed by the processor, cause the radio resource allocation node to: determine that radio resources on at least a first carrier, assigned to the first cellular network, are insufficient for data transmission between the radio network node and the wireless device; determine to use at least part of radio resources on a second carrier, originally assigned to the second cellular network, for a transmission associated with the first cellular network; and initiate transmission of a control signal to the wireless device over the first carrier, enabling the wireless device to use radio resources on the second carrier.
  • the instructions to transmit a control signal may comprise instructions that, when executed by the processor, cause the radio resource allocation node to transmit a control signal to use carrier aggregation for the first carrier and the second carrier.
  • the instructions to transmit a control signal may comprise instructions that, when executed by the processor, cause the radio resource allocation node to transmit a control signal to use dual connectivity for the first carrier and the second carrier.
  • the first cellular network and the second cellular network may be different Public Land Mobile Networks, PLMNs.
  • the instructions to determine to use at least part of radio resources on the second carrier may comprise instructions that, when executed by the processor, cause the radio resource allocation node to determine to use only radio resources, for the transmission associated with the first cellular network, which would be unused by the second cellular network.
  • the instructions to determine to use at least part of radio resources on the second carrier may comprise instructions that, when executed by the processor, cause the radio resource allocation node to determine to use at least part of radio resources on the second carrier for a transmission associated with the first cellular network only when data in a buffer for the wireless device is of a higher priority than data in a buffer for the second cellular network.
  • the radio resource allocation node may further comprise instructions that, when executed by the processor, cause the radio resource allocation node to: trigger scheduling of data for the wireless device to be transmitted using the radio resources on the second carrier.
  • the radio resource allocation node may further comprising instructions that, when executed by the processor, cause the radio resource allocation node to: record the amount of data scheduled for the wireless device to be transmitted using the radio resources on the second carrier.
  • the instructions maybe applied for downlink data and/or the instructions may be applied for uplink data.
  • the radio resource allocation node may further comprise instructions that, when executed by the processor, cause the radio resource allocation node to execute instructions to determine to use at least part of radio resources on a second carrier only when a limit for resource usage for the first cellular network using the second carrier is not exceeded.
  • the radio resource allocation node may further comprise instructions that, when executed by the processor, cause the radio resource allocation node to execute the instructions to determine to use at least part of radio resources on a second carrier only when a limit for resource usage for cellular networks, other than the second cellular network, using the second carrier is not exceeded.
  • a radio resource allocation node comprising: means for determining that radio resources on at least a first carrier, assigned to a first cellular network, are insufficient for data
  • radio network node configured to provide coverage using at least the first cellular network and a second cellular network; means for determining to use at least part of radio resources on a second carrier, originally assigned to the second cellular network, for a transmission associated with the first cellular network, thereby assigning radio resources for communication between the radio network node and a wireless device associated with a first cellular network; and means for initiating transmission of a control signal to the wireless device over the first carrier, enabling the wireless device to use radio resources on the second carrier.
  • a radio network node comprising the radio resource allocation node according to the second or third aspect.
  • a network node separate from any radio network node, the network node comprising the radio resource allocation node according to the second or third aspect.
  • a computer program for assigning radio resources for communication between a radio network node and a wireless device associated with a first cellular network, wherein the radio network node is configured to provide coverage using at least the first cellular network and a second cellular network.
  • the computer program comprises computer program code which, when run on a radio resource allocation node causes the radio resource allocation node to: determine that radio resources on at least a first carrier, assigned to the first cellular network, are insufficient for data transmission between the radio network node and the wireless device; determine to use at least part of radio resources on a second carrier, originally assigned to the second cellular network, for a transmission associated with the first cellular network; and initiate transmission of a control signal to the wireless device over the first carrier, enabling the wireless device to use radio resources on the second carrier.
  • a seventh aspect it is presented a computer program product comprising a computer program according to the sixth aspect and a computer readable means on which the computer program is stored.
  • Fig 1 is a schematic diagram illustrating a cellular communication network where embodiments presented herein may be applied;
  • Figs 2A-B are schematic diagrams illustrating possible implementations of a radio resource allocation node
  • Fig 3 is a schematic diagram illustrating frequency usage in the radio network node of Fig 1;
  • Fig 4 is a schematic diagram illustrating when separate radio network nodes are applied for different core networks
  • Fig 5 is a schematic diagram illustrating when the common radio network node of Fig 1 is applied for different core networks
  • Fig 6 is a schematic graph illustrating radio resource usage over time by two operators
  • Figs 7A-7B are flow charts illustrating embodiments of method for assigning radio resources for communication between a radio network node and a wireless device associated with a first cellular network
  • Fig 8 is a schematic diagram illustrating components of the radio resource allocation node of Figs 2A-B;
  • Fig 9 is a schematic diagram showing functional modules of the radio resource allocation node of Fig 8 according to one embodiment.
  • Fig 10 shows one example of a computer program product comprising computer readable means.
  • Fig 1 is a schematic diagram illustrating a cellular communication network 9 where embodiments presented herein maybe applied.
  • the cellular communication network 9 comprises two separate core networks 3a-b and a radio network node 1, here in the form of a radio base station being an evolved Node B, also known as eNode B or eNB.
  • the radio network node 1 could also be in the form of a Node B, BTS (Base Transceiver Station) and/or BSS (Base Station Subsystem), etc. It is to be noted that there may be more nodes in the network than what is shown in Fig 1.
  • each core network 3a-b is connected to its set of radio network nodes for providing radio connectivity for its wireless devices.
  • at least one radio network node 1 is used to provide radio connectivity for multiple core networks 3a-b. The reason for this can e.g. be to provide enhanced access indoors, e.g. in a shopping centre or an arena. Another reason can be that the operators of the core networks share the cost of the radio network node l.
  • the radio network node l is here a common radio network node which provides radio connectivity over a first wireless interface 4a-b to a first wireless device 2a. Also, the radio network node ⁇ provides radio connectivity over a second wireless interface i4a-b to a second wireless device 2b.
  • wireless device is also known as mobile communication terminal, user equipment (UE), mobile terminal, user terminal, user agent, wireless terminal, machine-to-machine device etc., and can be, for example, what today are commonly known as a mobile phone, smart phone or a
  • the term wireless is here to be construed as having the ability to perform wireless communication. More specifically, the wireless device 2 can comprise a number of wires for internal and/ or external purposes.
  • the first wireless device 2a and the first wireless interface 4a-b are associated with the first core network 3a.
  • the second wireless device 2b and the second wireless interface i4a-b are associated with the second core network 3b.
  • the first core network 3a is associated with a first PLMN (Public Land Mobile Network) operated by a first operator.
  • the second core network 3b is associated with a second PLMN operated by a second operator. It is to be noted that whenever the term PLMN is used herein, it can be replaced with network slice.
  • PLMN Public Land Mobile Network
  • a network node 16 separate from the radio network node 1 is optionally provided.
  • the network node 16 is in communication with the radio network node 1 and can offload one or more tasks, such as resource allocation, from the radio network node 1.
  • the network node 16 can be provided locally by the radio network node 1 or remotely in a cloud installation.
  • the cellular communication network 9 may e.g. comply with any one or a combination of 5G NR (New Radio), LTE (Long Term Evolution), W-CDMA (Wideband Code Division Multiplex), EDGE (Enhanced Data Rates for GSM (Global System for Mobile communication) Evolution), GPRS (General Packet Radio Service), CDMA2000 (Code Division Multiple Access 2000), or any other current or future wireless network, such as LTE-Advanced, as long as the principles described hereinafter are applicable.
  • 5G NR New Radio
  • LTE Long Term Evolution
  • W-CDMA Wideband Code Division Multiplex
  • EDGE Enhanced Data Rates for GSM (Global System for Mobile communication) Evolution
  • GPRS General Packet Radio Service
  • CDMA2000 Code Division Multiple Access 2000
  • the quality of the wireless radio interface to each wireless device 2 can vary over time and depending on the position of the wireless device 2, due to effects such as fading, multipath propagation, interference, etc.
  • the radio network node 1 Being connected to two core networks 3a-b, the radio network node 1 is a radio network node 1 for multiple operators. In other words, the radio network node 1 implements a Multi-Operator RAN (MORAN). It is to be noted that while Fig 1 shows two core networks 3a-b, the radio network node 1 can be connected to any suitable number of core networks and
  • Figs 2A-B are schematic diagrams illustrating possible implementations of a radio resource allocation node 15.
  • the radio resource allocation node 15 is implemented as part of the radio network node 1 of Fig 1.
  • the radio network node 1 is a host device of the radio resource allocation node 15.
  • the radio resource allocation node 15 is implemented as part of the network node 16 of Fig 1.
  • the network node 16 is a host device of the radio resource allocation node 15.
  • Fig 3 is a schematic diagram illustrating frequency usage in the radio network node 1 of Fig 1, here provided for use with four operators.
  • a first operator is assigned a first frequency band 11a.
  • a second operator is assigned a second frequency band 11b.
  • a third operator is assigned a third frequency band 11c.
  • a fourth operator is assigned a fourth frequency band nd.
  • the common radio network node may be limited in its frequency range. For instance, in this example, a frequency range 10 of the radio network node is not sufficient to cover all of the fourth frequency band. This may be deemed unfair treatment by the fourth operator, since the other frequency bands are completely covered by the MORAN, while only part of the fourth frequency band lid is covered by the MORAN.
  • the fourth operator can utilise spare capacity allocated to other operators, thereby increasing fairness between operators in the MORAN.
  • Fig 4 is a schematic diagram illustrating when separate radio network nodes are applied for different core networks.
  • Each wireless device 2a-b here connects using a primary cell and a secondary cell, e.g. using carrier aggregation (CA) and/or dual connectivity (DC).
  • CA carrier aggregation
  • DC dual connectivity
  • the first core network 3a of a first operator, here utilises a first radio network node la to provide radio connectivity for the first wireless device 2a.
  • the first radio network node la provides radio connectivity using its first cell 5a and second cell 5b.
  • the cells 5a-b of the first radio network node la cooperate in the radio interface to the first wireless device.
  • the two cells 5a-b can cooperate using carrier
  • the first cell 5a acts as a primary cell 7a for the first wireless device 2a and the second cell 5b acts as a secondary cell 7b for the first wireless device 2a.
  • the second core network 3b of a second operator, here utilises a second radio network node lb to provide radio connectivity for the second wireless device 2b.
  • the second radio network node lb provides radio connectivity using its first cell 5c and second cell 5d.
  • the cells 5c-d of the second radio network node lb cooperate in the radio interface to the second wireless device.
  • the two cells 5c-d can cooperate using carrier aggregation (CA) and/or dual connectivity (DC) as known in the art per se.
  • CA carrier aggregation
  • DC dual connectivity
  • the first cell 5c acts as a primary cell 17a for the second wireless device 2b
  • the second cell 5d acts as a secondary cell 17b for the second wireless device 2b.
  • the first radio network node la is responsible for proper coordination between its primary cell (i.e. the first cell 5a) and secondary cell (i.e. the second cell 5b) for communication with the first wireless device 2a.
  • the second radio network node lb is responsible for proper coordination between its primary cell (i.e. the third cell 5c) and secondary cell (i.e. the fourth cell 5d) for communication with the second wireless device 2b.
  • Fig 5 is a schematic diagram illustrating when the common radio network node 1 of Fig 1 is applied for different core networks.
  • the common radio network node 1 is connected both to the first core network 3a and the second core network 3b.
  • the radio network node 1 can be operated by a neutral party in relation to the operators.
  • the neutral party can be separate entity being responsible for MORAN deployments at various (e.g. indoor) locations.
  • the operator of the radio network node 1 can be an office operator, a shopping centre owner, etc.
  • first virtual radio network node 6a which is associated with the first core network 3a
  • second virtual radio network node 6b which is associated with the second core network 3b.
  • the first virtual radio network node 6a provides a first cell 5a and the second virtual radio network node 6b provides a second cell.
  • radio resources of a cell of each operator can be utilised by another operator to improve overall utilisation and throughput.
  • the first cell 5a of the first operator is the primary cell 7a for the first wireless device 2a.
  • the second cell 5b of the second operator can under some circumstances act as a secondary cell 7b for the first wireless device 2a.
  • the second cell 5b of the second operator is the primary cell 17a for the second wireless device 2a.
  • the first cell 5b of the first operator can under some circumstances act as a secondary cell 17b for the second wireless device 2b.
  • the radio network node 1 is responsible for proper coordination between its primary cell 7a (i.e. the first cell 5a) and secondary cell 7b (i.e. the second cell 5b).
  • the radio network node 1 is responsible for proper coordination between its primary cell 17a (i.e. the second cell 5b) and secondary cell 17b (i.e. the first cell 5a).
  • Fig 6 is a schematic graph illustrating radio resource usage over time by two operators. From a frequency perspective, there is a first frequency band 11a which is primarily assigned to the first operator 20 and a second frequency band 11b which is assigned to the second operator 21.
  • the second operator 21 needs some radio resources, but the remaining radio resources in the second frequency band 11b can be utilised by the first operator 20.
  • the radio resource requirements for the second operator 21 increases to eventually fill up all the resources of the second frequency band 11b.
  • the first operator releases resources due to a decreasing buffer (decreasing traffic demand), whereby the second operator 21 can now be allocated radio resources in the first frequency band 11a.
  • Fig 6 thus illustrates how demand for radio resources vary over time. By allocating radio resources in frequency bands primarily assigned for one operator also to another operator, the average throughput of both operators can be increased.
  • Figs 7A-7B are flow charts illustrating embodiments of method for assigning radio resources for communication between a radio network node and a wireless device associated with a first cellular network.
  • the radio network node is configured to provide coverage using at least the first cellular network and a second cellular network.
  • the method is performed in a radio resource allocation node and can be applied for downlink data and/or uplink data.
  • the radio resource allocation node can be implemented in a radio network node 1 or a network node 16 separate from the radio network node 15. First, the method of Fig 7A will be described.
  • the resource allocation node determines that radio resources on at least a first carrier, assigned to the first cellular network, are insufficient for data transmission between the radio network node and the wireless device. This determination can be based on a data buffer.
  • the resource allocation node determines to use at least part of radio resources on a second carrier, originally assigned to the second cellular network, for a transmission associated with the first cellular network.
  • the radio resources on the second carrier can e.g. be used as a secondary cell for the device.
  • the first cellular network and the second cellular network can be different Public Land Mobile Networks, PLMNs.
  • this comprises determining to use only radio resources, for the transmission associated with the first cellular network, which would be unused by the second cellular network.
  • this embodiment prevents an operator's radio resources, when needed for the operator's own traffic, from being allocated to another operator.
  • this comprises determining to use at least part of radio resources on the second carrier for a transmission associated with the first cellular network only when data in a buffer for the wireless device is of a higher priority than data in a buffer for the second cellular network.
  • this embodiment allows non-critical traffic of an operator's radio resources to be pre-empted by another operator's critical traffic.
  • Non-critical traffic can e.g. be best effort traffic such as for web browsing, while critical traffic can e.g. Guaranteed BitRate (GBR) services such as for a voice call.
  • GRR Guaranteed BitRate
  • the determination of priority can be based on QCI (Quality of Service (QoS) Class Identifier).
  • QCIs Quality of Service (QoS) Class Identifier
  • QCIs may differ across operators, in which case there can be a mapping of QCIs to allow cross operator comparisons.
  • this step is only performed when a limit for resource usage for the first cellular network using the second carrier is not exceeded.
  • this step is only performed when a limit for resource usage for cellular networks, other than the second cellular network, using the second carrier is not exceeded.
  • limits configured for l6 cross utilisation of radio resources for each operator and all other operators as a group.
  • a transmit control signal to use 2 nd network step 44 transmission of a control signal to the wireless device over the first carrier is initiated.
  • the control signal enables the wireless device to use radio resources on the second carrier, e.g. as a secondary cell.
  • this step comprises transmitting a control signal to use carrier aggregation for the first carrier and the second carrier.
  • this step comprises transmitting a control signal to use dual connectivity for the first carrier and the second carrier.
  • the control signal can include information such as cell identifier, frequency, etc.
  • a trigger scheduling step 46 scheduling of data for the wireless device to be transmitted using the radio resources on the second carrier is triggered.
  • the scheduling can occur where traffic in the same spectrum is optimized differently. For instance, traffic for the first operator can be optimized differently than traffic for the second operator, even though all this traffic is scheduled on the same carrier.
  • a record scheduled data amount step 48 the amount of data scheduled for the wireless device to be transmitted using the radio resources on the second carrier is recorded. In this way, cross operator utilisation is recorded and can be analysed statistically. This allows an analysis to see how much of a first operator's resources are utilised by a second operator and vice versa.
  • radio resources of a cell of each operator can be utilised by another operator to improve overall utilisation and throughput. Since utilisation of radio resources is rarely full, this provides a higher peak throughput for all operators.
  • mobility parameters can be managed separately for the cell(s) of each operator.
  • the operators do not need to coordinate common parameters, e.g. TAC (Tracking Area Code) values. In other words, this solution provides a much simpler implementation compared to MOCN.
  • TAC Track Area Code
  • Fig 8 is a schematic diagram illustrating components of the radio resource allocation node of Figs 2A-B.
  • a processor 60 is provided using any combination of one or more of a suitable central processing unit (CPU), multiprocessor, microcontroller, digital signal processor (DSP), application specific integrated circuit etc., capable of executing software instructions 67 stored in a memory 64, which can thus be a computer program product.
  • the processor 60 can be configured to execute the method described with reference to Figs 7A-B above.
  • the memory 64 can be any combination of read and write memory (RAM) and read only memory (ROM).
  • the memory 64 also comprises persistent storage, which, for example, can be any single one or combination of magnetic memory, optical memory, solid state memory or even remotely mounted memory.
  • a data memory 66 is also provided for reading and/or storing data during execution of software instructions in the processor 60.
  • the data memory 66 can be any combination of read and write memory (RAM) and read only memory (ROM).
  • the radio resource allocation node further comprises an I/O interface 62 for communicating with other external entities.
  • radio resource allocation node Other components of the radio resource allocation node are omitted in order not to obscure the concepts presented herein.
  • Fig 8 may be shared with a hosting device, such as the radio network node 1 of Fig 2A or the network node 16 of Fig 2B.
  • Fig 9 is a schematic diagram showing functional modules of the radio resource allocation node 15 of Fig 8 according to one embodiment.
  • the modules are implemented using software instructions such as a computer program executing in the radio resource allocation node 15.
  • the modules are implemented using hardware, such as any one or more of an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array), or discrete logical circuits.
  • the modules correspond to the steps in the methods illustrated in Figs 7A and 7B.
  • a determiner 70 corresponds to steps 40 and 42.
  • a transmitter 72
  • step 44 corresponds to step 44.
  • a scheduling trigger 74 corresponds to step 46.
  • a recorder 76 corresponds to step 48.
  • Fig 10 shows one example of a computer program product comprising computer readable means.
  • a computer program 91 can be stored, which computer program can cause a processor to execute a method according to embodiments described herein.
  • the computer program product is an optical disc, such as a CD (compact disc) or a DVD (digital versatile disc) or a Blu-Ray disc.
  • the computer program product could also be embodied in a memory of a device, such as the computer program product 64 of Fig 8.
  • the computer program 91 is here schematically shown as a track on the depicted optical disk, the computer program can be stored in any way which is suitable for the computer program product, such as a removable solid state memory, e.g. a Universal Serial Bus (USB) drive.
  • USB Universal Serial Bus

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

L'invention concerne un procédé d'attribution de ressources radio pour une communication entre un nœud de réseau radio et un dispositif sans fil associés à un premier réseau cellulaire, le nœud de réseau radio étant configuré pour fournir une couverture en utilisant au moins le premier réseau cellulaire et un second réseau cellulaire. Le procédé est mis en œuvre dans un nœud d'attribution de ressources radio et comprend les étapes consistant à : déterminer que des ressources radio sur au moins une première porteuse, attribuée au premier réseau cellulaire, sont insuffisantes pour une transmission de données entre le nœud de réseau radio et le dispositif sans fil ; décider d'utiliser au moins une partie des ressources radio sur une seconde porteuse, attribuée à l'origine au second réseau cellulaire, pour une transmission associée au premier réseau cellulaire ; et lancer la transmission d'un signal de commande au dispositif sans fil sur la première porteuse, permettant ainsi au dispositif sans fil d'utiliser des ressources radio sur la seconde porteuse.
PCT/SE2016/051297 2016-12-16 2016-12-20 Attribution de ressources radio pour une communication entre un nœud de réseau radio multiopérateur et un dispositif sans fil Ceased WO2018111166A1 (fr)

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US12323901B2 (en) 2021-06-17 2025-06-03 British Telecommunications Public Limited Company Cellular telecommunications network
US12572648B2 (en) 2020-07-15 2026-03-10 British Telecommunications Public Limited Company Computer-implemented automatic security methods and systems
US12591675B2 (en) 2020-07-15 2026-03-31 British Telecomunications Public Limited Company Methods and systems for securing computer systems or networks against suspect binary files
US12610314B2 (en) 2016-09-29 2026-04-21 British Telecommunications Public Limited Company Cellular telecommunications network

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