WO2022082540A1 - Dispositifs, procédés, appareils et supports lisibles par ordinateur pour établir une liaison de communication - Google Patents

Dispositifs, procédés, appareils et supports lisibles par ordinateur pour établir une liaison de communication Download PDF

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Publication number
WO2022082540A1
WO2022082540A1 PCT/CN2020/122606 CN2020122606W WO2022082540A1 WO 2022082540 A1 WO2022082540 A1 WO 2022082540A1 CN 2020122606 W CN2020122606 W CN 2020122606W WO 2022082540 A1 WO2022082540 A1 WO 2022082540A1
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WO
WIPO (PCT)
Prior art keywords
communication link
efficiency
configuration information
link
indication
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PCT/CN2020/122606
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English (en)
Inventor
Xiang Xu
Jeroen Wigard
Tzu-Chung Frank Hsieh
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Nokia Shanghai Bell Co., Ltd.
Nokia Solutions And Networks 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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Application filed by Nokia Shanghai Bell Co., Ltd., Nokia Solutions And Networks Oy filed Critical Nokia Shanghai Bell Co., Ltd.
Priority to PCT/CN2020/122606 priority Critical patent/WO2022082540A1/fr
Priority to CN202080106422.0A priority patent/CN116325551A/zh
Publication of WO2022082540A1 publication Critical patent/WO2022082540A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/18502—Airborne stations
    • H04B7/18504—Aircraft used as relay or high altitude atmospheric platform
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18519—Operations control, administration or maintenance

Definitions

  • Embodiments of the present disclosure generally relate to the field of telecommunication and in particular, to devices, methods, apparatuses and computer readable media for establishing a communicating link.
  • High Altitude Platform Station is a new approach of telecommunication infrastructure solution for rural and remote areas based on stratospheric airborne platforms.
  • the HAPS is proposed to operate at altitudes between 20km and 50 km to cover a service area up to 1,000 km diameter and 800,000 square kilometres depending on the minimum elevation angle accepted from a location of a user.
  • the HAPS may be based on balloons or on solar powered high-altitude planes.
  • the HAPS may have a direct connection with a Ground Station via a feeder link.
  • the feeder link may be unavailable or unreliable due to the atmospheric attenuation, turbulence and the like.
  • a further HAPS may be used to relay the communication between the HAPS and the Ground Station.
  • the HAPS may be dynamically deployed. It is inconvenient to preconfigure everything in the HAPS before operation. Therefore, it is inconvenient to dynamically establish a HAPS-HAPS communication link.
  • example embodiments of the present disclosure provide a solution for establishing a communicating link.
  • a first device comprising at least one processor; and at least one memory including computer program codes; the at least one memory and the computer program codes are configured to, with the at least one processor, cause the first device to: obtain, from a second device, first configuration information concerning a communication link between the second device and a third device; and transmit the first configuration information to the third device for establishment of the communication link between the second device and the third device.
  • a first device comprises at least one processor; and at least one memory including computer program codes; the at least one memory and the computer program codes are configured to, with the at least one processor, cause the first device to: obtain, from a second device, first information concerning a communication link between the second device and a third device; obtain, from the third device, second information concerning at least one of the communication link and a direct communication link between the first device and the third device; obtain, from a fifth device, third information concerning a communication link between the fifth device and the third device; determine, based on the first, second and third information, communication between the first device and the third device is to be performed by using one of the direct communication link, a first indirect communication link via the second device, and a second indirect communication link via the fifth device; and transmit an indication indicating the determination to the second device, the third device and the fifth device.
  • a third device comprises at least one processor; and at least one memory including computer program codes; the at least one memory and the computer program codes are configured to, with the at least one processor, cause the third device to: receive from a first device first configuration information concerning a communication link between a second device and the third device; and establish the communication link based on the first configuration information.
  • a third device comprises at least one processor; and at least one memory including computer program codes; the at least one memory and the computer program codes are configured to, with the at least one processor, cause the third device to: transmit to a first device second information concerning at least one of a communication link between a second device and the third device and a direct communication link between the first device and the third device; and receive from the first device an indication that communication between the first device and the third device is to be performed by using one of the direct communication link, a first indirect communication link via the second device, and a second indirect communication link via a fifth device.
  • a method implemented at a device comprises: obtaining, at a first device from a second device, first configuration information concerning a communication link between the second device and a third device; and transmitting the first configuration information to the third device for establishment of the communication link between the second device and the third device.
  • a method implemented at a device comprises: obtaining, at a first device from a second device, first information concerning a communication link between the second device and a third device; obtaining, from the third device, second information concerning at least one of the communication link and a direct communication link between the first device and the third device; obtaining, from a fifth device, third information concerning a communication link between the fifth device and the third device; determining, based on the first, second and third information, communication between the first device and the third device is to be performed by using one of the direct communication link, a first indirect communication link via the second device, and a second indirect communication link via the fifth device; and transmitting an indication indicating the determination to the second device, the third device and the fifth device.
  • a method implemented at a device comprises: receiving, at a third device from a first device, first configuration information concerning a communication link between a second device and the third device; and establishing the communication link based on the first configuration information.
  • a method implemented at a device comprises: transmitting, from a third device to a first device, second information concerning at least one of a communication link between a second device and the third device and a direct communication link between the first device and the third device; and receiving from the first device an indication that communication between the first device and the third device is to be performed by using one of the direct communication link, a first indirect communication link via the second device, and a second indirect communication link via a fifth device.
  • an apparatus comprising: means for obtaining, at a first device from a second device, first configuration information concerning a communication link between the second device and a third device; and means for transmitting the first configuration information to the third device for establishment of the communication link between the second device and the third device.
  • an apparatus comprising: means for obtaining, at a first device from a second device, first information concerning a communication link between the second device and a third device; means for obtaining, from the third device, second information concerning at least one of the communication link and a direct communication link between the first device and the third device; means for obtaining, from a fifth device, third information concerning a communication link between the fifth device and the third device; means for determining, based on the first, second and third information, communication between the first device and the third device is to be performed by using one of the direct communication link, a first indirect communication link via the second device, and a second indirect communication link via the fifth device; and means for transmitting an indication indicating the determination to the second device, the third device and the fifth device.
  • an apparatus comprising: means for receiving, at a third device from a first device, first configuration information concerning a communication link between a second device and the third device; and means for establishing the communication link based on the first configuration information.
  • an apparatus comprising: means for transmitting, from a third device to a first device, second information concerning at least one of a communication link between a second device and the third device and a direct communication link between the first device and the third device; and means for receiving from the first device an indication that communication between the first device and the third device is to be performed by using one of the direct communication link, a first indirect communication link via the second device, and a second indirect communication link via a fifth device.
  • a computer readable medium comprising a computer program for causing an apparatus to perform at least the method according to the above fifth aspect.
  • a fourteenth aspect there is provided a computer readable medium comprising a computer program for causing an apparatus to perform at least the method according to the above sixth aspect.
  • a computer readable medium comprising a computer program for causing an apparatus to perform at least the method according to the above seventh aspect.
  • a computer readable medium comprising a computer program for causing an apparatus to perform at least the method according to the above eighth aspect.
  • Fig. 1 shows an example communication network in which embodiments of the present disclosure may be implemented
  • Fig. 2 shows a signaling chart illustrating a process for managing communication links in accordance with some example embodiments of the present disclosure
  • Fig. 3 shows a signaling chart illustrating a process for managing communication links in accordance with other example embodiments of the present disclosure
  • Fig. 4 shows a flowchart of a method implemented at a first device in accordance with some example embodiments of the present disclosure
  • Fig. 5 shows a flowchart of a method implemented at a first device in accordance with other example embodiments of the present disclosure
  • Fig. 6 shows a flowchart of a method implemented at a third device in accordance with some example embodiments of the present disclosure
  • Fig. 7 shows a flowchart of a method implemented at a third device in accordance with other example embodiments of the present disclosure
  • Fig. 8 shows a simplified block diagram of an apparatus that is suitable for implementing some other embodiments of the present disclosure.
  • Fig. 9 shows a block diagram of an example computer readable medium in accordance with some example embodiments of the present disclosure.
  • references in the present disclosure to “one embodiment, ” “an embodiment, ” “an example embodiment, ” and the like indicate that the embodiment described may include a particular feature, structure, or characteristic, but it is not necessary that every embodiment includes the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an example embodiment, it is submitted that it is within the knowledge of one skilled in the art to affect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
  • first and second etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and similarly, a second element could be termed a first element, without departing from the scope of example embodiments.
  • the term “and/or” includes any and all combinations of one or more of the listed terms.
  • circuitry may refer to one or more or all of the following:
  • circuitry also covers an implementation of merely a hardware circuit or processor (or multiple processors) or portion of a hardware circuit or processor and its (or their) accompanying software and/or firmware.
  • circuitry also covers, for example and if applicable to the particular claim element, a baseband integrated circuit or processor integrated circuit for a mobile device or a similar integrated circuit in server, a cellular network device, or other computing or network device.
  • the term “communication network” refers to a network following any suitable communication standards, such as fifth generation (5G) systems, Long Term Evolution (LTE) , LTE-Advanced (LTE-A) , Wideband Code Division Multiple Access (WCDMA) , High-Speed Packet Access (HSPA) , Narrow Band Internet of Things (NB-IoT) and so on.
  • 5G fifth generation
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced
  • WCDMA Wideband Code Division Multiple Access
  • HSPA High-Speed Packet Access
  • NB-IoT Narrow Band Internet of Things
  • the communications between a terminal device and a network device in the communication network may be performed according to any suitable generation communication protocols, including, but not limited to, the first generation (1G) , the second generation (2G) , 2.5G, 2.75G, the third generation (3G) , the fourth generation (4G) , 4.5G, the future fifth generation (5G) new radio (NR) communication protocols, and/or any other protocols either currently known or to be developed in the future.
  • suitable generation communication protocols including, but not limited to, the first generation (1G) , the second generation (2G) , 2.5G, 2.75G, the third generation (3G) , the fourth generation (4G) , 4.5G, the future fifth generation (5G) new radio (NR) communication protocols, and/or any other protocols either currently known or to be developed in the future.
  • Embodiments of the present disclosure may be applied in various communication systems. Given the rapid development in communications, there will of course also be future type communication technologies and systems with which the present disclosure may be embodied. It should not be seen as limiting the
  • the term “network device” refers to a node in a communication network via which a terminal device accesses the network and receives services therefrom.
  • the network device may refer to a base station (BS) or an access point (AP) , for example, a node B (NodeB or NB) , an evolved NodeB (eNodeB or eNB) , a NR Next Generation NodeB (gNB) , a Remote Radio Unit (RRU) , a radio header (RH) , a remote radio head (RRH) , a relay, a low power node such as a femto, a pico, and so forth, depending on the applied terminology and technology.
  • An RAN split architecture comprises a gNB-CU (Centralized unit, hosting RRC, SDAP and PDCP) controlling a plurality of gNB-DUs (Distributed unit, hosting RLC, MAC and PHY) .
  • gNB-CU Centralized unit, hosting
  • terminal device refers to any end device that may be capable of wireless communication.
  • a terminal device may also be referred to as a communication device, user equipment (UE) , a Subscriber Station (SS) , a Portable Subscriber Station, a Mobile Station (MS) , or an Access Terminal (AT) .
  • UE user equipment
  • SS Subscriber Station
  • MS Mobile Station
  • AT Access Terminal
  • the terminal device may include, but not limited to, a mobile phone, a cellular phone, a smart phone, voice over IP (VoIP) phones, wireless local loop phones, a tablet, a wearable terminal device, a personal digital assistant (PDA) , portable computers, desktop computer, image capture terminal devices such as digital cameras, gaming terminal devices, music storage and playback appliances, vehicle-mounted wireless terminal devices, wireless endpoints, mobile stations, laptop-embedded equipment (LEE) , laptop-mounted equipment (LME) , USB dongles, smart devices, wireless customer-premises equipment (CPE) , an Internet of Things (IoT) device, a watch or other wearable, a head-mounted display (HMD) , a vehicle, a drone, a medical device and applications (e.g., remote surgery) , an industrial device and applications (e.g., a robot and/or other wireless devices operating in an industrial and/or an automated processing chain contexts) , a consumer electronics device, a device operating on commercial and/
  • a user equipment apparatus such as a cell phone or tablet computer or laptop computer or desktop computer or mobile IoT device or fixed IoT device
  • This user equipment apparatus can, for example, be furnished with corresponding capabilities as described in connection with the fixed and/or the wireless network node (s) , as appropriate.
  • the user equipment apparatus may be the user equipment and/or or a control device, such as a chipset or processor, configured to control the user equipment when installed therein. Examples of such functionalities include the bootstrapping server function and/or the home subscriber server, which may be implemented in the user equipment apparatus by providing the user equipment apparatus with software configured to cause the user equipment apparatus to perform from the point of view of these functions/nodes.
  • Fig. 1 shows an example communication network 100 in which embodiments of the present disclosure can be implemented.
  • the communication network 100 includes a first device 110, a second device 120, a third device 130, a fourth device 140, a fifth device 150, and a ground station 160.
  • the first device 110 may manage, at least partially control, and/or otherwise be in operative communication with the third device 130.
  • the fourth device 140 may manage, at least partially control, and/or otherwise be in operative communication with the second device 120 and the fifth device 150.
  • the communication network 100 may be implemented as a 5G communication network.
  • each of the second device 120, the third device 130 and the fifth device 150 may comprise a HAPS
  • each of the first device 110 and the fourth device 140 may comprise a network device located at the surface of Earth.
  • each of the second device 120, the third device 130 and the fifth device 150 may comprise a distributed unit (DU) of a network device, for example, the DU of a gNB
  • each of the first device 110 and the fourth device 140 may comprise a centralized unit (CU) of the network device, for example, the CU of a gNB.
  • DU distributed unit
  • CU centralized unit
  • a full network device for example, a gNB, may be deployed on each of the second device 120, the third device 130 and the fifth device 150, and each of the first device 110 and the fourth device 140 may host an Access and Mobility Management Function (AMF) .
  • AMF Access and Mobility Management Function
  • the ground station 160 may be implemented as a Non-Terrestrial Network (NTN) gateway located at the surface of Earth.
  • NTN Non-Terrestrial Network
  • the ground station 160 may be a transport network layer (TNL) node and provide sufficient radio frequency (RF) power and RF sensitivity for accessing to the HAPS.
  • RF radio frequency
  • the third device 130 may communicate with the ground station 160 via a direct communication link 132.
  • the third device 130 may communicate with the first device 110 via the direct communication link 132.
  • the direct link 132 is also referred to as a feeder link.
  • a communication link 133-1 between the third device 130 and the second device 120 may be established.
  • the first device 110 may switch communication between the first device and the third device from the direct communication link 132 to a first indirect communication link 133 via the second device 120, or vice versa.
  • the first indirect communication link 133 comprises the communication link 133-1 and a communication link 133-2.
  • a communication link 134-1 between the third device 130 and the fifth device 150 may be established.
  • the first device 110 may switch the communication between the first device 110 and the third device 130 from the direct communication link 132 to a second indirect communication link 134 via the fifth device 150, or vice versa.
  • the second indirect communication link 134 comprises the communication link 134-1 and a communication link 134-2.
  • the first device 110 may switch the communication between the first device 110 and the third device 130 from the first indirect communication link 133 to the second indirect communication link 134, or vice versa.
  • the communication network 100 may include any suitable number of the first, second, third, fourth, and fifth devices adapted for implementing implementations of the present disclosure.
  • the communication network 100 may not include the fourth device 140.
  • the first device 110 may manage, at least partially control, and/or otherwise be in operative communication with the second device 120 and the fifth device 150.
  • the communication network 100 may include a further device 140, which may manage, at least partially control, and/or otherwise be in operative communication with the fifth device 150.
  • the fourth device 140 may only manage, at least partially control, and/or otherwise be in operative communication with the second device 120.
  • the first device 110 and the fourth device 140 may establishment a communication interface.
  • an Xn interface may be established between the first device 110 and the fourth device 140.
  • Communications in the communication network 100 may be implemented according to any proper communication protocol (s) , comprising, but not limited to, cellular communication protocols of the first generation (1G) , the second generation (2G) , the third generation (3G) , the fourth generation (4G) and the fifth generation (5G) and on the like, wireless local network communication protocols such as Institute for Electrical and Electronics Engineers (IEEE) 802.11 and the like, and/or any other protocols currently known or to be developed in the future.
  • s cellular communication protocols of the first generation (1G) , the second generation (2G) , the third generation (3G) , the fourth generation (4G) and the fifth generation (5G) and on the like, wireless local network communication protocols such as Institute for Electrical and Electronics Engineers (IEEE) 802.11 and the like, and/or any other protocols currently known or to be developed in the future.
  • IEEE Institute for Electrical and Electronics Engineers
  • the communication may utilize any proper wireless communication technology, comprising but not limited to: Code Divided Multiple Address (CDMA) , Frequency Divided Multiple Address (FDMA) , Time Divided Multiple Address (TDMA) , Frequency Divided Duplexer (FDD) , Time Divided Duplexer (TDD) , Multiple-Input Multiple-Output (MIMO) , Orthogonal Frequency Divided Multiple Access (OFDMA) and/or any other technologies currently known or to be developed in the future.
  • CDMA Code Divided Multiple Address
  • FDMA Frequency Divided Multiple Address
  • TDMA Time Divided Multiple Address
  • FDD Frequency Divided Duplexer
  • TDD Time Divided Duplexer
  • MIMO Multiple-Input Multiple-Output
  • OFDMA Orthogonal Frequency Divided Multiple Access
  • the HAPS may be dynamically deployed. It is inconvenient to preconfigure everything in the HAPS before operation. Therefore, it is inconvenient to dynamically establish a HAPS-HAPS communication link.
  • a HAPS when a HAPS detects a new neighboring HAPS, it can report the information of the neighboring HAPS to an Operation and Maintenance (O&M) server. Then, the O&M server provides the HAPS-HAPS link information of the neighboring HAPS to the HAPS for establishment of a HAPS-HAPS link.
  • O&M Operation and Maintenance
  • the first option is inefficient for the reasons as discussed below.
  • the neighboring HAPS may come from a different vendor or even from a different operator in network sharing case. Using the first option requires close coordination between O&M systems from different vendors or operators.
  • the first option may not work when a topology manager is located in the RAN (i.e., gNB-CU) and is nor a very scalable solution when the number of HAPS flying around increases.
  • LTE/NR Transport Network Layer (TNL) address discovery can discover the X2/Xn-interface information of peer RAN node in order to dynamically establish X2/Xn between RAN nodes.
  • TNL address discovery may not work in this case.
  • example embodiments of the present disclosure provide a solution for establishing a communicating link.
  • a first device obtains, from a second device, first configuration information concerning a communication link between the second device and a third device.
  • the first device transmits the first configuration information to the third device for establishment of the communication link between the second device and the third device.
  • a HAPS-HAPS link may be established in a distributed way.
  • the O&M effort may be avoided to dynamically discover configuration parameters for the HAPS-HAPS link.
  • coordination between O&M systems from different vendors or operators may be avoided.
  • Fig. 2 shows a signaling chart illustrating a process 200 for establishing a communication link according to some example embodiments of the present disclosure.
  • the process 200 may involve the first device 110, the second device 120, the third device 130, and the fourth device 140 as illustrated in Fig. 1. It would be appreciated that although the process 200 has been described in the communication network 100 of Fig. 1, this process may be likewise applied to other communication scenarios.
  • the first device 110 obtains, from the second device 120, first configuration information concerning the communication link 133-1 between the second device 120 and the third device 130.
  • the fourth device 140 may manage, at least partially control, and/or otherwise be in operative communication with the second device 120.
  • the fourth device 140 may obtain (204) the first configuration information from the second device 120 and forward the first configuration information to the first device 110.
  • the first device 110 may obtain (205) the first configuration information from the fourth device 140.
  • the first device 110 may manage, at least partially control, and/or otherwise be in operative communication with the second device 120, the first device 110 may obtain the first configuration information from the second device 120 directly.
  • the message between the first device 110 (or the fourth device 140) and the third device 130 (or the second device 120, or the fifth device 150) may be an F1AP message.
  • the message between the first device 110 and the fourth device 140 may be an XnAP message.
  • each of the second device 120, the third device 130 and the fifth device comprises a high altitude platform station supporting the gNB
  • the message between the first device 110 (or the fourth device 140) and the third device 130 (or the second device 120, or the fifth device 150) may be an NGAP message.
  • the first device 110 Upon obtaining the first configuration information, the first device 110 transmits (206) the first configuration information to the third device 130 for establishment of the communication link 133-1 between the second device 120 and the third device 130.
  • the third device 130 receives the first configuration information from the first device 110.
  • the third device 130 establishes (207) the communication link 133-1 between the second device 120 and the third device 130 based on the first configuration information.
  • a HAPS-HAPS link may be established in a distributed way.
  • the O&M effort may be avoided to dynamically discover configuration parameters for the HAPS-HAPS link.
  • coordination between O&M systems from different vendors or operators may be avoided.
  • the first configuration information may comprise at least one of the following: a geographical location of the second device 120, coordinates of the second device 120, an energy status of the second device 120, frequency bands supported by the second device 120, load status of the second device 120, available capacity of the second device 120, or parameters to be used for the establishment of the communication link 133-1 between the second device 120 and the third device 130, or capabilities of the second device 120 for establishing a connection to other devices than the third device 130.
  • the first configuration information concerning the communication link 133-1 from the second device 120 may be specific to the communication link 133-1.
  • the second device 120 will use configuration information different from the first configuration information to communicate with other devices than the third device 130.
  • the second device 120 will use a first frequency band to communicate with the third device 130 and a second frequency band to communicate with other devices than the third device 130.
  • the second frequency band is different from the first frequency band.
  • the second device 120 may provide the first configuration information to the first device 110 upon receiving a request for the first configuration information from the third device 130.
  • the first device 110 may receive the request from the third device 130 via an F1AP message.
  • a network device for example, a gNB
  • each of the second 120 or the third device 130 comprises a high altitude platform station supporting a DU of the network device (for example, a gNB)
  • the first device 110 may receive the request from the third device 130 via an F1AP message.
  • each of the second device 120 and third device 130 comprises a high altitude platform station supporting a network device (for example, a gNB)
  • the first device 110 may receive the request from the third device 130 via an NGAP message.
  • the third device 130 may transmit (201) a request for the first configuration information to the first device 110.
  • the first device 110 forwards the request to the fourth device 140.
  • the fourth device 140 forwards the request to the second device 120.
  • the second device 120 transmits the first configuration information to the fourth device 140.
  • the fourth device 140 forwards the first configuration information to the first device 110.
  • the request for the first configuration information may comprise second configuration information concerning the communication link 133-1.
  • the request for the first configuration information may further comprise an identity of the second device 120.
  • Example of the identity of the second device 120 may include, but are not limited to an identity of a cell provided by the second device 120.
  • the second configuration information may comprise at least one of the following: a geographical location of the third device 130, coordinates of the third device 130, an energy status of the third device 130, frequency bands supported by the third device 130, load status of the third device 130, available capacity of the third device 130, or parameters to be used for the establishment of the communication link 133-1 between the second device 120 and the third device 130.
  • the first configuration information concerning the communication link 133-1 from the second device 120 may be common to a plurality of communication links.
  • the second device 120 will use configuration information that is the same as the first configuration information to communicate with other devices than the third device 130.
  • the second device 120 will use a single frequency band to communicate with the third device 130 and with other devices than the third device 130, respectively.
  • the second device 120 may provide the first configuration information to the first device 110 in an unsolicited way.
  • the second device 120 may transmit the updated first configuration information to the fourth device 140 in an unsolicited way.
  • the second device 120 may transmit the updated first configuration information during the F1 Setup procedure, gNB-DU Configuration Update procedure, or other F1AP procedures.
  • the third device 130 may provide the second configuration information to the first device 110 in an unsolicited way.
  • the third device 130 may use a process that is similar to the process 200 to establish the communication link 134-1 between the third device 130 and the fifth device 150. Details of the process will be omitted for the purpose of brevity.
  • the first device 110 may communicate with the third device 130 via the direct communication link 132.
  • the first device 110 may communicate with the third device 130 via the first indirect communication link 133.
  • the first device 110 may communicate with the third device 130 via the second indirect communication link 134. Therefore, a solution for managing the communication links is needed.
  • Fig. 3 shows a signaling chart illustrating a process 300 for managing the communication links according to some example embodiments of the present disclosure.
  • the process 300 will be described with reference to Fig. 1.
  • the process 300 may involve the first device 110, the second device 120, the third device 130, and the fourth device 140 as illustrated in Fig. 1. It would be appreciated that although the process 300 will be described in the communication network 100 of Fig. 1, this process may be likewise applied to other communication scenarios. In addition, in the process 300, it is assumed that the first indirect communication link 133 and the second indirect communication link 134 have been established.
  • the first device 110 obtains (301) , from the third device 130, second information concerning the communication link 133-1 and/or the communication link 132 and/or the communication link 134-1.
  • the first device 110 obtains, from the second device 120, first information concerning the communication link 133-1 between the second device 120 and the third device 130, and/or the communication link 133-2 between the second device 120 and the first device 110. It is to be understood that the communication link between the ground station 160 and the first device 110 is common for all direct communication link or indirect communication link between the third device 130 and the first device 110, thus the common communication link between the ground station 160 and the first device 110 is not considered in further analysis.
  • the fourth device 140 may manage, at least partially control, and/or otherwise be in operative communication with the second device 120 and the fifth device 150.
  • the fourth device 140 may transmit a request for the first information to the second device 120.
  • the second device 120 Upon receiving the request, the second device 120 transmits the first information to the fourth device 140.
  • the fourth device 140 may obtain (302) the first information from the second device 120 and forward the first information to the first device 110.
  • the first device 110 may obtain (303) the first information from the fourth device 140.
  • the first device 110 may manage, at least partially control, and/or otherwise be in operative communication with the second device 120, the first device 110 may obtain the first information from the second device 120 directly.
  • the first device 110 obtains, from the fifth device 150, third information concerning the communication link 134-1 between the fifth device 150 and the third device 130, and/or the communication link 134-2 between the fifth device 150 and the first device 110.
  • the fourth device 140 may manage, at least partially control, and/or otherwise be in operative communication with the fifth device 150
  • the fourth device 140 may obtain (304) the third information from the fifth device 150 and forward the third information to the first device 110.
  • the first device 110 may obtain (305) the third information from the fourth device 140.
  • the first device 110 may manage, at least partially control, and/or otherwise be in operative communication with the fifth device 150, the first device 110 may obtain the third information from the fifth device 150 directly.
  • the first device 110 may obtain the second information from the third device 130, the fourth device 140 may obtain the first information from the second device 120, and the fourth device 140 may obtain the third information from the fifth device 150 via F1 interface control plane signaling, the first device 110 may obtain the first information and the third information from the fourth device 140 via Xn interface control plan signaling.
  • the first device 110 may obtain the second information from the third device 130
  • the fourth device 140 may obtain the first information from the second device 120
  • the fourth device 140 may obtain the third information from the fifth device 150 via F1 interface user plane signaling.
  • the first information may comprise at least one of the following: a geographical location of the second device 120, coordinates of the second device 120, an energy status of the second device 120, frequency bands supported by the second device 120, load status of the second device 120, available capacity of the second device 120, or link efficiency of the communication link between the first device 110 and the second device 120, or link efficiency of the communication link 133-1 between the second device 120 and the third device 130, or energy efficiency of the communication link between the first device 110 and the second device 120, or energy efficiency of the communication link 133-1 between the second device 120 and the third device 130, or quality of the communication link between the first device 110 and the second device 120, or quality of the communication link 133-1 between the second device 120 and the third device 130.
  • the link efficiency may be determined based on signal quality.
  • the link efficiency of the communication link between the first device 110 and the second device 120 may be determined based on signal quality of the communication link between the first device 110 and the second device 120. It should be understood that link quality is just one example, and the link efficiency may be determined based on other metrics than the signal quality.
  • the second information may comprise at least one of the following: a geographical location of the third device 130, coordinates of the third device 130, an energy status of the third device 130, frequency bands supported by the third device 130, load status of the third device 130, available capacity of the third device 130, or link efficiency of the direct communication link 132 between the first device 110 and the third device 130, or link efficiency of the communication link 133-1 between the second device 120 and the third device 130, or link efficiency of the communication link 134-1 between the fifth device 150 and the third device 130, or energy efficiency of the direct communication link 132 between the first device 110 and the third device 130, or energy efficiency of the communication link 133-1 between the second device 120 and the third device 130, or energy efficiency of the communication link 134-1 between the fifth device 150 and the third device 130, or quality of the direct communication link 132 between the first device 110 and the third device 130, or quality of the communication link 133-1 between the second device 120 and the third device 130, or quality of the communication link 134-1 between the fifth device 150 and the third device 130, or quality of the
  • the third information may comprise at least one of the following: a geographical location of the fifth device 150, coordinates of the fifth device 150, an energy status of the fifth device 150, frequency bands supported by the fifth device 150, load status of the fifth device 150, available capacity of the fifth device 150, or link efficiency of the communication link between the first device 110 and the fifth device 150, or link efficiency of the communication link 134-1 between the fifth device 150 and the third device 130, or energy efficiency of the communication link between the first device 110 and the fifth device 150, or energy efficiency of the communication link 134-1 between the fifth device 150 and the third device 130, or quality of the communication link between the first device 110 and the fifth device 150, or quality of the communication link 134-1 between the fifth device 150 and the third device 130.
  • the first device 110 determines (306) that communication between the first device 110 and the third device 130 is to be performed by using one of the direct communication link 132, the first indirect communication link 133 via the second device 120, and the second indirect communication link 134 via the fifth device 150.
  • the first device 110 transmits (307) an indication indicating the determination to the third device 130.
  • the first device 110 may transmit (308) the indication indicating the determination to the fourth device 140.
  • the fourth device 140 may forward (309) the indication to the second device 120.
  • the first device 110 may manage, at least partially control, and/or otherwise be in operative communication with the second device 120, the first device 110 may transmit the indication to the second device 120 directly.
  • the first device 110 may transmit (310) the indication indicating the determination to the fourth device 140.
  • the fourth device 140 may forward (311) the indication to the fifth device 150.
  • the first device 110 may manage, at least partially control, and/or otherwise be in operative communication with the fifth device 150, the first device 110 may transmit the indication to the fifth device 150 directly.
  • the first device 110 is communicating with the third device 130 via the direct communication link 132 and the first device 110 determines that the first device 110 will communicate with the third device 130 via the first indirect communication link 133. In other words, the first device 110 determines that the communication between the first device 110 and the third device 130 is to be switched from the direct communication link 132 to the first indirect communication link 133. In such example embodiments, the first device 110 transmits to the third device 130 a first indication that the communication link 133-1 between the second device 120 and the third device 130 is to be enabled. In addition, the first device 110 transmits to the third device 130 a second indication that the direct communication link 132 is to be disabled
  • the first device 110 also transmits the first indication to the second device 120.
  • the fourth device 140 may manage, at least partially control, and/or otherwise be in operative communication with the second device 120.
  • the first device 110 transmits the first indication to the fourth device 140 and the fourth device 140 forwards the first indication to the second device 120.
  • the first device 110 is communicating with the third device 130 via the first indirect communication link 133 and the first device 110 determines that the first device 110 will communicate with the third device 130 via the direct communication link 132. In other words, the first device 110 determines that the communication between the first device 110 and the third device 130 is to be switched from the first indirect communication link 133 via the second device 120 to the direct communication link 132. In such example embodiments, the first device 110 transmits to the third device 130 a third indication that the communication link 133-1 between the second device 120 and the third device 130 is to be disabled. In addition, the first device 110 transmits to the third device 130 a fourth indication that the direct communication link 132 is to be enabled.
  • the first device 110 also transmits the third indication to the second device 120.
  • the fourth device 140 may manage, at least partially control, and/or otherwise be in operative communication with the second device 120.
  • the first device 110 transmits the third indication to the fourth device 140 and the fourth device 140 forwards the third indication to the second device 120.
  • the first device 110 may be communicating with the third device 130 via the first indirect communication link 133 and the first device 110 may determine that the first device 110 will communicate with the third device 130 via the second indirect communication link 134. In other words, the first device 110 determines that the communication between the first device 110 and the third device 130 is to be switched from the first indirect communication link 133 to the second indirect communication link 134. In such example embodiments, the first device 110 transmits to the third device 130 a fifth indication that the communication link 133-1 between the second device 120 and the third device 130 is to be disabled.
  • the first device 110 also transmits the fifth indication to the second device 120.
  • the fourth device 140 may manage, at least partially control, and/or otherwise be in operative communication with the second device 120.
  • the first device 110 transmits the fifth indication to the fourth device 140 and the fourth device 140 forwards the fifth indication to the second device 120.
  • the first device 110 also transmits to the third device 130 a sixth indication that the communication link 134-1 between the third device 130 and the fifth device 150 is to be enabled.
  • the first device 110 also transmits the sixth indication to the fifth device 150.
  • the fourth device 140 may manage, at least partially control, and/or otherwise be in operative communication with the fifth device 150.
  • the first device 110 transmits the sixth indication to the fourth device 140 and the fourth device 140 forwards the sixth indication to the fifth device 150.
  • the first device 110 may determine first efficiency of the communication via the direct communication link 132, second efficiency of the communication via the first indirect communication link 133 based on the first and second information.
  • the first device 110 may compare the first efficiency with a first threshold efficiency. If the first efficiency is below the first threshold efficiency, the first device 110 may determine that the communication between the first device 110 and the third device 130 is to be switched from the direct communication link 132 to the first indirect communication link 133.
  • the first device 110 may compare the second efficiency with a second threshold efficiency. If the second efficiency is above the second threshold efficiency, the first device 110 may determine that the communication between the first device 110 and the third device 130 is to be switched from the direct communication link 132 to the first indirect communication link 133.
  • the first device 110 may compare the first efficiency with the second efficiency. If the second efficiency is above the first efficiency, the first device 110 may determine that the communication between the first device 110 and the third device 130 is to be switched from the direct communication link 132 to the first indirect communication link 133.
  • the first device 110 may determine third efficiency of the communication via the second indirect communication link 134 based on the third information. In turn, the first device 110 may compare the third efficiency with a third threshold efficiency, the second efficiency with a fourth threshold efficiency, or the third efficiency with the second efficiency.
  • each of the first efficiency, the second efficiency and the third efficiency may comprise at least one of link efficiency or energy efficiency.
  • the HAPS-HAPS link may be used more efficiently.
  • Fig. 4 shows a flowchart of an example method 400 implemented at a device in accordance with some example embodiments of the present disclosure.
  • the method 400 will be described from the perspective of the first device 110 with reference to Fig. 1. It would be appreciated that the method 400 may also be implemented at the fourth device 140 in Fig. 1.
  • the first device 110 obtains, from the second device 120, first configuration information concerning a communication link between the second device 120 and the third device 130.
  • the first device 110 transmits the first configuration information to the third device for establishment of the communication link between the second device 120 and the third device 130.
  • the first device 110 in response to reception of a request for the first configuration information from the third device 130, the first device 110 obtains the first configuration information.
  • the request comprises second configuration information concerning the communication link between the second device 120 and the third device 130.
  • the first device 110 obtains the first configuration information which is updated by the second device 120.
  • the first device 110 obtains the first configuration information via the fourth device 140 which controls the second device 120.
  • the first configuration information comprises at least one of the following: a geographical location of the second device 120, coordinates of the second device 120, an energy status of the second device 120, frequency bands supported by the second device 120, load status of the second device 120, available capacity of the second device 120, or parameters to be used for the establishment of the communication link between the second device 120 and the third device 130.
  • the second configuration information comprises at least one of the following: a geographical location of the third device 130, coordinates of the third device 130, an energy status of the third device 130, frequency bands supported by the third device 130, load status of the third device 130, available capacity of the third device 130, or parameters to be used for the establishment of the communication link between the second device 120 and the third device 130.
  • the first device 110 comprises a centralized unit of a network device, and each of the second device 120 and the third device 130 comprises a distributed unit of the network device. In some other example embodiments, the first device 110 comprises a network device, and each of the second device 120 and the third device 130 comprises another network device.
  • the fourth device 140 comprises a centralized unit of a network device.
  • each of the second device 120 and the third device 130 comprises a high altitude platform station.
  • the first device 110 comprises an access and mobility management function device
  • each of the second device 120 and the third device 130 comprises a network device.
  • Fig. 5 shows a flowchart of an example method 500 implemented at a device in accordance with some example embodiments of the present disclosure.
  • the method 500 will be described from the perspective of the first device 110 with reference to Fig. 1. It would be appreciated that the method 500 may also be implemented at the fourth device 140 in Fig. 1.
  • the first device 110 obtains, from the second device 120, first information concerning at least one of a communication link between the second device 120 and the third device 130, and a communication link between the second device 120 and the first device 110. In some example embodiments, the first device 110 obtains the first information via the fourth device 140 which controls the second device 120.
  • the first device 110 obtains, from the third device 130, second information concerning a communication link between the second device 120 and the third device 130, and/or a communication link between the first device 110 and the third device 130, and/or a communication link between the fifth device 150 and the third device 130.
  • the first device 110 obtains, from the fifth device 150, third information concerning at least one of a communication link between the fifth device 150 and the third device 130, and a communication link between the fifth device 150 and the first device 110.
  • the first device 110 determines, based on the first, second and third information, communication between the first device 110 and the third device 130 is to be performed by using one of the direct communication link 130, the first indirect communication link 133 via the second device 120, and the second indirect communication link 134 via the fifth device 150.
  • the first device 110 transmits an indication indicating the determination to the second device 120, the third device 130 and the fifth device 150.
  • the first device 110 determines that the communication is to be switched from the direct communication link to the first indirect communication link, transmits to the second device 120 and the third device 130 a first indication that the communication link between the second device 120 and the third device 130 is to be enabled, and transmits to the third device 130 a second indication that the direct communication link is to be disabled.
  • the first device 110 determines that the communication is to be switched from the first indirect communication link to the direct communication link, transmits to the second device 120 and the third device 130 a third indication that the communication link between the second device 120 and the third device 130 is to be disabled, and transmits to the third device 130 a fourth indication that the direct communication link is to be enabled.
  • the first device 110 determines that the communication is to be switched from the first indirect communication link to the second indirect communication link, transmits to the second device 120 and the third device 130 a fifth indication that the communication link between the second device 120 and the third device 130 is to be disabled, and transmits to the third device 130 and the fifth device 150 a sixth indication that a communication link between the third device 130 and the fifth device 150 is to be enabled.
  • the first device 110 determines that the communication between the first device 110 and the third device 130 is to be switched from the direct communication link to the first indirect communication link by: determining first efficiency of the communication via the direct communication link; determining second efficiency of the communication via the first indirect communication link based on the first information and the second information; and comparing one of the following: the first efficiency with a first threshold efficiency, the second efficiency with a second threshold efficiency, or the first efficiency with the second efficiency.
  • each of the first efficiency and the second efficiency comprises at least one of the following: link efficiency, or energy efficiency.
  • the first device 110 determines that the communication between the first device 110 and the third device 130 is to be switched from the first indirect communication link to the second indirect communication link by: determining third efficiency of the communication via the second indirect communication link based on the third information; and determining fourth efficiency of the communication via the first indirect communication link based on the first information and the second information; and comparing one of the following: the third efficiency with a third threshold efficiency, the fourth efficiency with a fourth threshold efficiency, or the third efficiency with the fourth efficiency.
  • each of the third efficiency and the fourth efficiency comprises at least one of the following: link efficiency, or energy efficiency.
  • the first device 110 comprises a centralized unit of a network device
  • each of the second device 120, the third device 130 and the fifth device 150 comprises a distributed unit of the network device.
  • each of the second device 120, the third device 130 and the fifth device 150 comprises a high altitude platform station.
  • the first device 110 comprises an access and mobility management function device
  • each of the second device 120, the third device 130 and the fifth device 150 comprises a network device.
  • Fig. 6 shows a flowchart of an example method 600 implemented at a device in accordance with some example embodiments of the present disclosure.
  • the method 600 will be described from the perspective of the third device 130 with reference to Fig. 1. It would be appreciated that the method 600 may also be implemented at the second device 120 or the fifth device 150 in Fig. 1.
  • the third device 130 receive, from the first device 110, first configuration information concerning a communication link between the second device 120 and the third device 130.
  • the third device 130 establishes the communication link based on the first configuration information.
  • the third device 130 transmits a request for the first configuration information to the first device 110 and receives a response to the request, the response comprising the first configuration information.
  • the request comprises second configuration information concerning the communication link between the second device 120 and the third device 130.
  • the first configuration information comprises at least one of the following: a geographical location of the second device 120, coordinates of the second device 120, an energy status of the second device 120, frequency bands supported by the second device 120, load status of the second device 120, available capacity of the second device 120, or parameters to be used for establishment of the communication link between the second device 120 and the third device 130.
  • the second configuration information comprises at least one of the following: a geographical location of the third device 130, coordinates of the third device 130, an energy status of the third device 130, frequency bands supported by the third device 130, load status of the third device 130, available capacity of the third device 130, or parameters to be used for the establishment of the communication link between the second device 120 and the third device 130.
  • the first device 110 comprises a centralized unit of a network device, and each of the second device 120 and the third device 130 comprises a distributed unit of the network device. In some other example embodiments, the first device 110 comprises one network device, and each of the second device 120 and the third device 130 comprises another network device.
  • each of the second device 120 and the third device 130 comprises a high altitude platform station.
  • Fig. 7 shows a flowchart of an example method 700 implemented at a device in accordance with some example embodiments of the present disclosure.
  • the method 700 will be described from the perspective of the third device 130 with reference to Fig. 1. It would be appreciated that the method 700 may also be implemented at the second device 120 or the fifth device 150 in Fig. 1.
  • the third device 130 transmits to the first device 110 second information concerning a communication link between the second device 120 and the third device 130, and/or a first indirect communication link between the third device 130 and the first device 110 via the second device 120, and/or a second indication communication link between the third device 130 and the first device 110 via a fifth device 150.
  • the third device 130 receives from the first device 110 an indication that communication between the first device 110 and the third device 130 is to be performed by using one of the direct communication link, a first indirect communication link via the second device 120, and a second indirect communication link via a fifth device 150.
  • the third device 130 receives at least one of the following: a first indication that the communication link between the second device 120 and the third device 130 is to be enabled and a second indication that the direct communication link is to be disabled, a third indication that the communication link between the second device 120 and the third device 130 is to be disabled and a fourth indication that the direct communication link is to be enabled, or a fifth indication that the communication link between the second device 120 and the third device 130 is to be disabled and a sixth indication that the second indirect communication link is to be enabled.
  • the second information comprises at least one of the following: a geographical location of the third device 130, coordinates of the third device 130, an energy status of the third device 130, frequency bands supported by the third device 130, load status of the third device 130, available capacity of the third device 130, or quality of the direct communication link between the first device 110 and the third device 130.
  • the first device 110 comprises a centralized unit of a network device
  • each of the second device 120, the third device 130 and the fifth device 150 comprises a distributed unit of the network device.
  • each of the second device 120, the third device 130 and the fifth device 150 comprises a high altitude platform station.
  • the first device 110 comprises an access and mobility management function device
  • each of the second device 120, the third device 130 and the fifth device 150 comprises a network device.
  • an apparatus capable of performing any of the method 400 may comprise means for performing the respective steps of the method 400.
  • the means may be implemented in any suitable form.
  • the means may be implemented in a circuitry or software module.
  • the apparatus comprises means for obtaining, at a first device from a second device, first configuration information concerning a communication link between the second device and a third device; and means for transmitting the first configuration information to the third device for establishment of the communication link between the second device and the third device.
  • means for obtaining the first configuration information comprises means for obtaining the first configuration information in response to reception of a request for the first configuration information from the third device 130.
  • the request comprises second configuration information concerning the communication link.
  • means for obtaining the first configuration information comprises means for obtaining the first configuration information which is updated by the second device 120.
  • means for obtaining the first configuration information comprises means for obtaining the first configuration information via the fourth device 140 which controls the second device 120.
  • the first configuration information comprises at least one of the following: a geographical location of the second device 120, coordinates of the second device 120, an energy status of the second device 120, frequency bands supported by the second device 120, load status of the second device 120, available capacity of the second device 120, or parameters to be used for the establishment of the communication link between the second device 120 and the third device 130.
  • the second configuration information comprises at least one of the following: a geographical location of the third device, coordinates of the third device, an energy status of the third device, frequency bands supported by the third device, load status of the third device, available capacity of the third device, or parameters to be used for the establishment of the communication link between the second device and the third device.
  • the first device 110 comprises a centralized unit of a network device
  • each of the second device 120 and the third device 130 comprises a distributed unit of the network device.
  • the fourth device 140 comprises a centralized unit of a network device.
  • each of the second device 120 and the third device 130 comprises a high altitude platform station.
  • an apparatus capable of performing any of the method 500 may comprise means for performing the respective steps of the method 500.
  • the means may be implemented in any suitable form.
  • the means may be implemented in a circuitry or software module.
  • the apparatus comprises means for obtaining, at a first device 110 from a second device 120, first information concerning a communication link between the second device 120 and a third device 130; means for obtaining, from the third device 130, second information concerning at least one of the communication link and a direct communication link between the first device 110 and the third device 130; means for obtaining, from a fifth device 150, third information concerning a communication link between the fifth device 150 and the third device 130; means for determining, based on the first, second and third information, communication between the first device 110 and the third device 130 is to be performed by using one of the direct communication link, a first indirect communication link via the second device 120, and a second indirect communication link via the fifth device 150; and means for transmitting an indication indicating the determination to the second device 120, the third device 130 and the fifth device 150.
  • the means for determining comprises means for determining that the communication is to be switched from the direct communication link to the first indirect communication link.
  • the means for transmitting the indication comprises means for transmitting to the second device 120 and the third device 130 a first indication that the communication link between the second device 120 and the third device 130 is to be enabled, and means for transmitting to the third device 130 a second indication that the direct communication link is to be disabled.
  • the means for determining comprises means for determining that the communication is to be switched from the first indirect communication link to the direct communication link.
  • the means for transmitting the indication comprises means for transmitting to the second device 120 and the third device 130 a third indication that the communication link between the second device 120 and the third device 130 is to be disabled, and means for transmitting to the third device 130 a fourth indication that the direct communication link is to be enabled.
  • the means for determining comprises means for determining that the communication is to be switched from the first indirect communication link to the second indirect communication link.
  • the means for transmitting the indication comprises means for transmitting to the second device 120 and the third device 130 a fifth indication that the communication link between the second device 120 and the third device 130 is to be disabled, and means for transmitting to the third device 130 and the fifth device 150 a sixth indication that a communication link between the third device 130 and the fifth device 150 is to be enabled.
  • means for determining that the communication is to be switched from the first indirect communication link to the direct communication link comprises: means for determining first efficiency of the communication via the direct communication link; means for determining second efficiency of the communication via the first indirect communication link based on the first information and the second information; and means for comparing one of the following: the first efficiency with a first threshold efficiency, the second efficiency with a second threshold efficiency, or the first efficiency with the second efficiency.
  • each of the first efficiency and the second efficiency comprises at least one of the following: link efficiency, or energy efficiency.
  • means for determining that the communication between the first device 110 and the third device 130 is to be switched from the first indirect communication link to the second indirect communication link comprises: means for determining third efficiency of the communication via the second indirect communication link based on the third information; means for determining fourth efficiency of the communication via the first indirect communication link based on the first information and the second information; and means for comparing one of the following: the third efficiency with a third threshold efficiency, the fourth efficiency with a fourth threshold efficiency, or the third efficiency with the fourth efficiency.
  • each of the third efficiency and the fourth efficiency comprises at least one of the following: link efficiency, or energy efficiency.
  • the first device 110 comprises a centralized unit of a network device
  • each of the second device 120, the third device 130 and the fifth device 150 comprises a distributed unit of the network device.
  • each of the second device 120, the third device 130 and the fifth device 150 comprises a high altitude platform station.
  • the first device 110 comprises an access and mobility management function device
  • each of the second device 120, the third device 130 and the fifth device 150 comprises a network device.
  • an apparatus capable of performing any of the method 600 may comprise means for performing the respective steps of the method 600.
  • the means may be implemented in any suitable form.
  • the means may be implemented in a circuitry or software module.
  • the apparatus comprises means for receiving, at a third device from a first device, first configuration information concerning a communication link between a second device and the third device; and means for establishing the communication link based on the first configuration information.
  • the apparatus further comprises means for transmitting a request for the first configuration information to the first device 110 and means for receiving the first configuration information comprises means for receiving a response to the request, the response comprising the first configuration information.
  • the request comprises second configuration information concerning the communication link.
  • the first configuration information comprises at least one of the following: a geographical location of the second device 120, coordinates of the second device 120, an energy status of the second device 120, frequency bands supported by the second device 120, load status of the second device 120, available capacity of the second device 120, or parameters to be used for establishment of the communication link between the second device 120 and the third device 130.
  • the second configuration information comprises at least one of the following: a geographical location of the third device, coordinates of the third device, an energy status of the third device, frequency bands supported by the third device, load status of the third device, available capacity of the third device, or parameters to be used for the establishment of the communication link between the second device and the third device.
  • the first device 110 comprises a centralized unit of a network device
  • each of the second and third device 130s comprises a distributed unit of the network device.
  • each of the second and third device 130s comprises a high altitude platform station.
  • an apparatus capable of performing any of the method 700 may comprise means for performing the respective steps of the method 700.
  • the means may be implemented in any suitable form.
  • the means may be implemented in a circuitry or software module.
  • the apparatus comprises means for transmitting, from a third device 130 to a first device 110, second information concerning at least one of a communication link between a second device 120 and the third device 130 and a direct communication link between the first device 110 and the third device 130; and means for receiving from the first device 110 an indication that communication between the first device 110 and the third device 130 is to be performed by using one of the direct communication link, a first indirect communication link via the second device 120, and a second indirect communication link via a fifth device 150.
  • the means for receiving the indication comprises means for receiving at least one of the following: a first indication that the communication link between the second device 120 and the third device 130 is to be enabled and a second indication that the direct communication link is to be disabled, a third indication that the communication link between the second device 120 and the third device 130 is to be disabled and a fourth indication that the direct communication link is to be enabled, or a fifth indication that the communication link between the second device 120 and the third device 130 is to be disabled and a sixth indication that the second indirect communication link is to be enabled.
  • the second information comprises at least one of the following: a geographical location of the third device 130, coordinates of the third device 130, an energy status of the third device 130, frequency bands supported by the third device 130, load status of the third device 130, available capacity of the third device 130, or quality of the direct communication link between the first device 110 and the third device 130.
  • the first device 110 comprises a centralized unit of a network device
  • each of the second device 120, the third device 130 and the fifth device 150 comprises a distributed unit of the network device.
  • each of the second device 120, the third device 130 and the fifth device 150 comprises a high altitude platform station.
  • the first device 110 comprises an access and mobility management function device
  • each of the second device 120, the third device 130 and the fifth device 150 comprises a network device.
  • Fig. 8 is a simplified block diagram of a device 800 that is suitable for implementing embodiments of the present disclosure.
  • the device 800 may be provided to implement the communication device, for example the first device 110, the second device 120, the third device 130, the fourth device 140 or the fifth device 150.
  • the device 800 includes one or more processors 810, one or more memories 820 coupled to the processor 810, and one or more communication modules 840 coupled to the processor 810.
  • the communication module 840 is for bidirectional communications.
  • the communication module 840 has at least one antenna to facilitate communication.
  • the communication interface may represent any interface that is necessary for communication with other network elements.
  • the processor 810 may be of any type suitable to the local technical network and may include one or more of the following: general purpose computers, special purpose computers, microprocessors, digital signal processors (DSPs) and processors based on multicore processor architecture, as non-limiting examples.
  • the device 800 may have multiple processors, such as an application specific integrated circuit chip that is slaved in time to a clock which synchronizes the main processor.
  • the memory 820 may include one or more non-volatile memories and one or more volatile memories.
  • the non-volatile memories include, but are not limited to, a Read Only Memory (ROM) 824, an electrically programmable read only memory (EPROM) , a flash memory, a hard disk, a compact disc (CD) , a digital video disk (DVD) , and other magnetic storage and/or optical storage.
  • the volatile memories include, but are not limited to, a random access memory (RAM) 822 and other volatile memories that will not last in the power-down duration.
  • a computer program 830 includes computer executable instructions that are executed by the associated processor 810.
  • the program 830 may be stored in the ROM 820.
  • the processor 810 may perform any suitable actions and processing by loading the program 830 into the RAM 820.
  • the embodiments of the present disclosure may be implemented by means of the program 830 so that the device 800 may perform any process of the disclosure as discussed with reference to Figs. 2 to 7.
  • the embodiments of the present disclosure may also be implemented by hardware or by a combination of software and hardware.
  • the program 830 may be tangibly contained in a computer readable medium which may be included in the device 800 (such as in the memory 820) or other storage devices that are accessible by the device 800.
  • the device 800 may load the program 830 from the computer readable medium to the RAM 822 for execution.
  • the computer readable medium may include any types of tangible non-volatile storage, such as ROM, EPROM, a flash memory, a hard disk, CD, DVD, and the like.
  • Fig. 9 shows an example of the computer readable medium 900 in form of CD or DVD.
  • the computer readable medium has the program 830 stored thereon.
  • NFV network functions virtualization
  • a virtualized network function may comprise one or more virtual machines running computer program codes using standard or general type servers instead of customized hardware. Cloud computing or data storage may also be utilized.
  • radio communications this may mean node operations to be carried out, at least partly, in a central/centralized unit, CU, (e.g. server, host or node) operationally coupled to distributed unit, DU, (e.g. a radio head/node) . It is also possible that node operations will be distributed among a plurality of servers, nodes or hosts. It should also be understood that the distribution of labour between core network operations and base station operations may vary depending on implementation.
  • the server may generate a virtual network through which the server communicates with the distributed unit.
  • 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.
  • Such virtual network may provide flexible distribution of operations between the server and the radio head/node.
  • any digital signal processing task may be performed in either the CU or the DU and the boundary where the responsibility is shifted between the CU and the DU may be selected according to implementation.
  • a CU-DU architecture is implemented.
  • the device 800 may be comprised in a central unit (e.g. a control unit, an edge cloud server, a server) operatively coupled (e.g. via a wireless or wired network) to a distributed unit (e.g. a remote radio head/node) .
  • the central unit e.g. an edge cloud server
  • the distributed unit may be stand-alone apparatuses communicating with each other via a radio path or via a wired connection. Alternatively, they may be in a same entity communicating via a wired connection, etc.
  • the edge cloud or edge cloud server may serve a plurality of distributed units or a radio access networks.
  • at least some of the described processes may be performed by the central unit.
  • the device 800 may be instead comprised in the distributed unit, and at least some of the described processes may be performed by the distributed unit.
  • the execution of at least some of the functionalities of the device 800 may be shared between two physically separate devices (DU and CU) 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 described processes.
  • CU-DU architecture may provide flexible distribution of operations between the CU and the DU. In practice, any digital signal processing task may be performed in either the CU or the DU and the boundary where the responsibility is shifted between the CU and the DU may be selected according to implementation.
  • the device 800 controls the execution of the processes, regardless of the location of the apparatus and regardless of where the processes/functions are carried out.
  • various embodiments of the present disclosure may be implemented in hardware or special purpose circuits, software, logic or any combination thereof. Some aspects may be implemented in hardware, while other aspects may be implemented in firmware or software which may be executed by a controller, microprocessor or other computing device. While various aspects of embodiments of the present disclosure are illustrated and described as block diagrams, flowcharts, or using some other pictorial representations, it is to be understood that the block, apparatus, system, technique or method described herein may be implemented in, as non-limiting examples, hardware, software, firmware, special purpose circuits or logic, general purpose hardware or controller or other computing devices, or some combination thereof.
  • the present disclosure also provides at least one computer program product tangibly stored on a non-transitory computer readable storage medium.
  • the computer program product includes computer-executable instructions, such as those included in program modules, being executed in a device on a target real or virtual processor, to carry out the method 400, 500, 600 or 700 as described above with reference to Figs. 4-7.
  • program modules include routines, programs, libraries, objects, classes, components, data structures, or the like that perform particular tasks or implement particular abstract data types.
  • the functionality of the program modules may be combined or split between program modules as desired in various embodiments.
  • Machine-executable instructions for program modules may be executed within a local or distributed device. In a distributed device, program modules may be located in both local and remote storage media.
  • Program code for carrying out methods of the present disclosure may be written in any combination of one or more programming languages. These program codes may be provided to a processor or controller of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the program codes, when executed by the processor or controller, cause the functions/operations specified in the flowcharts and/or block diagrams to be implemented.
  • the program code may execute entirely on a machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
  • the computer program codes or related data may be carried by any suitable carrier to enable the device, apparatus or processor to perform various processes and operations as described above.
  • Examples of the carrier include a signal, computer readable medium, and the like.
  • the computer readable medium may be a computer readable signal medium or a computer readable storage medium.
  • a computer readable medium may include but not limited to an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of the computer readable storage medium would include an electrical connection having one or more wires, a portable computer diskette, a hard disk, a random access memory (RAM) , a read-only memory (ROM) , an erasable programmable read-only memory (EPROM or Flash memory) , an optical fiber, a portable compact disc read-only memory (CD-ROM) , an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
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  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
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  • Mobile Radio Communication Systems (AREA)

Abstract

Des modes de réalisation de la présente divulgation concernent l'établissement d'une liaison de communication. Un premier dispositif obtient, en provenance d'un deuxième dispositif, des premières informations de configuration concernant une liaison de communication entre le deuxième dispositif et un troisième dispositif. Le premier dispositif transmet les premières informations de configuration au troisième dispositif pour l'établissement de la liaison de communication entre le deuxième dispositif et le troisième dispositif.
PCT/CN2020/122606 2020-10-21 2020-10-21 Dispositifs, procédés, appareils et supports lisibles par ordinateur pour établir une liaison de communication WO2022082540A1 (fr)

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PCT/CN2020/122606 WO2022082540A1 (fr) 2020-10-21 2020-10-21 Dispositifs, procédés, appareils et supports lisibles par ordinateur pour établir une liaison de communication
CN202080106422.0A CN116325551A (zh) 2020-10-21 2020-10-21 用于建立通信链路的设备、方法、装置和计算机可读介质

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10341010B2 (en) * 2014-02-17 2019-07-02 Bridgewest Finance Llc Mobility and power management for high altitude platform (HAP) communication systems
US20200119805A1 (en) * 2017-05-12 2020-04-16 Softbank Corp. Inter-haps communication and high-capacity haps for constructing three-dimensionalized network of fifth-generation communication
CN111684738A (zh) * 2018-02-05 2020-09-18 软银股份有限公司 利用了馈线链路的无线中继装置的监视

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10341010B2 (en) * 2014-02-17 2019-07-02 Bridgewest Finance Llc Mobility and power management for high altitude platform (HAP) communication systems
US20200119805A1 (en) * 2017-05-12 2020-04-16 Softbank Corp. Inter-haps communication and high-capacity haps for constructing three-dimensionalized network of fifth-generation communication
CN111684738A (zh) * 2018-02-05 2020-09-18 软银股份有限公司 利用了馈线链路的无线中继装置的监视

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