WO2019041369A1 - Procédé et dispositif d'acheminement automatique par relais - Google Patents

Procédé et dispositif d'acheminement automatique par relais Download PDF

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Publication number
WO2019041369A1
WO2019041369A1 PCT/CN2017/100742 CN2017100742W WO2019041369A1 WO 2019041369 A1 WO2019041369 A1 WO 2019041369A1 CN 2017100742 W CN2017100742 W CN 2017100742W WO 2019041369 A1 WO2019041369 A1 WO 2019041369A1
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WO
WIPO (PCT)
Prior art keywords
repeater
damaged
terminals
gateway
neighboring
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PCT/CN2017/100742
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English (en)
Chinese (zh)
Inventor
杜光东
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深圳市盛路物联通讯技术有限公司
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Publication of WO2019041369A1 publication Critical patent/WO2019041369A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
    • H04W36/326—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data by proximity to another entity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/22—Performing reselection for specific purposes for handling the traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength

Definitions

  • the present invention relates to the field of communications, and in particular, to a relay automatic routing method and apparatus.
  • a repeater can be set in the network.
  • the repeater can be used for bidirectional forwarding of signals between two network nodes.
  • the technical problem to be solved by the embodiments of the present invention is to provide a relay automatic routing method and apparatus, which can improve the reliability of a communication link.
  • a relay automatic routing method including the following steps:
  • the gateway obtains the number m of terminals of the damaged repeater, where m is a positive integer
  • the gateway acquires the number of terminals of each of the n neighboring repeaters, where The distance between each of the n neighboring repeaters and the damaged repeater is less than a distance threshold, and n is a positive integer greater than zero;
  • the gateway allocates m terminals of the damaged repeater to the n neighboring repeaters according to the number of terminals of each of the n neighboring repeaters.
  • the number of terminals that the gateway obtains the damaged repeater is specifically:
  • the gateway acquires an access table of the damaged repeater
  • the gateway counts the number of terminals of the damaged repeater according to the access table of the damaged repeater.
  • the method before the obtaining, by the gateway, the number of terminals of each of the neighboring repeaters, the method further includes:
  • the gateway finds the n neighboring repeaters according to the topology table of the damaged repeater.
  • the number of terminals that the gateway acquires each of the neighboring repeaters in the n neighboring repeaters is specifically:
  • the gateway acquires an access table of each of the n neighboring repeaters
  • the gateway separately counts the number of terminals of each of the n neighboring repeaters according to an access table of each of the n neighboring repeaters.
  • the gateway allocates the terminal of the damaged repeater to the n neighboring repeaters according to the number of the terminals of each of the n neighboring repeaters:
  • the gateway allocates the terminal of the damaged repeater to the n neighboring repeaters according to an allocation policy according to the number of terminals of each of the n neighboring repeaters.
  • the n neighboring repeaters are the same device, or the n neighboring repeaters are different devices.
  • the influencing factors of the allocation policy include at least one of: a signal strength between the neighboring repeater and the terminal device, a load capacity of the neighboring repeater, a current load of the neighboring repeater, Information security processing capabilities.
  • a gateway including a first obtaining module, a second acquiring module, and an allocating module,
  • the first obtaining module is configured to acquire the number m of terminals of the damaged repeater, where m is a positive integer greater than zero;
  • the second obtaining module is configured to acquire the number of terminals of each of the n neighboring repeaters, wherein each of the n neighboring repeaters is in the vicinity of the damaged
  • the distance of the relay is less than the distance threshold, and n is a positive integer
  • the allocation module is configured to allocate m terminals of the damaged repeater to the n neighboring repeaters according to the number of terminals of each of the n neighboring repeaters.
  • the first obtaining module includes a first acquiring unit and a first statistic unit,
  • the first obtaining unit is configured to acquire an access table of the damaged repeater
  • the first statistic unit is configured to count the number of terminals of the damaged repeater according to the access table of the damaged repeater.
  • the second obtaining module includes: a second acquiring unit and a searching unit,
  • the second obtaining unit is configured to acquire a topology table of the damaged repeater
  • the searching unit finds the n neighboring repeaters according to the topology table of the damaged repeater.
  • the second obtaining module further includes: a third acquiring unit and a second statistic unit,
  • the third obtaining unit is configured to acquire an access table of each of the n neighboring repeaters
  • the second statistic unit is configured to separately count, according to an access table of each of the n neighboring repeaters, a terminal of each of the n neighboring repeaters Quantity.
  • the allocating module is specifically configured to allocate, according to an allocation policy, the terminals of the damaged repeater to the n neighboring relays according to the number of terminals of each of the n neighboring repeaters. Device.
  • the n neighboring repeaters are the same device, or the n neighboring repeaters are different devices.
  • the influencing factors of the allocation policy include at least one of: signal strength between the neighboring repeater and the terminal device, load capacity of the neighboring repeater, current load of the neighboring repeater, and information security. Processing capacity.
  • a communication system including a gateway and a plurality of repeaters, wherein the gateway is respectively connected to a plurality of repeaters, and the repeater includes a damaged repeater and n adjacent repeaters, wherein The gateway is for performing the method of any of the first aspects.
  • a computer readable storage medium storing program code for relaying automatic routing performed by a computing device.
  • the program code includes instructions for performing the method of any of the first aspects.
  • a gateway comprising: a processor, a memory, a communication interface, and a bus; the processor, the memory, and the communication interface are connected by the bus and complete communication with each other; Storing executable program code; the processor running a program corresponding to the executable program code by reading executable program code stored in the memory for executing a relay automatic routing method; The method is the method of any of the first aspects.
  • the above invention obtains the number m of terminals of the damaged repeater and the number of terminals of the n adjacent repeaters connected to the damaged repeater when the damaged repeater fails, and according to the damaged repeater The number of terminals of each of the n neighboring repeaters connected to the repeater distributes the m terminals of the damaged repeater to n neighboring repeaters.
  • FIG. 1 is a schematic diagram of a relay network connection relationship provided by the prior art
  • FIG. 2 is a schematic diagram of a relay automatic routing method according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a gateway according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of another gateway according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of still another gateway according to an embodiment of the present invention.
  • first, second, etc. may be used herein to describe each Units, but these units should not be limited by these terms. These terms are used only to distinguish one unit from another. For example, a first unit could be termed a second unit, and similarly a second unit could be termed a first unit, without departing from the scope of the exemplary embodiments.
  • the term “and/or” used herein includes any and all combinations of one or more of the associated listed items.
  • the prior art relay network includes a terminal 111, a repeater 112, and a gateway 113.
  • the terminal may have different representations according to different situations.
  • the terminal may specifically be: a mobile phone, a tablet computer, a computer, etc., of course, it may also include other devices with networking functions, such as smart TV, smart air conditioner, and smart device. Kettle or other smart device.
  • the repeater belongs to the same-frequency amplifying device, and refers to a radio transmitting and transferring device that plays a signal enhancement in the process of wireless communication transmission.
  • the repeater is divided according to the communication system, and may be a GSM repeater or a CDMA repeater. 3G repeaters, 4G repeaters can even be future 5G repeaters and so on. Gateway 113 is also called an inter-network connector.
  • the protocol converter, the gateway on the transport layer to achieve network interconnection, can serve as a conversion task for two networks with different high-level protocols, thereby realizing the interconnection of two networks with different high-level protocols.
  • one or more repeaters may be added between the gateway and the terminal to be responsible for the data.
  • One or more forwardings are performed, that is, the data has to go through multiple hops to reach the terminal.
  • a "gateway-terminal" link is split into two links: “gateway-repeater” and “repeater-terminal”, so that one can have a poor quality.
  • the link is replaced by two better quality links for higher link capacity and better coverage.
  • the communication between the terminal and the repeater belongs to Device to Device (D2D) communication, and the power consumed by data transmission between the two is low. That is to say, the terminal communicates with the gateway through the relay of the repeater, which reduces the transmission power during data transmission.
  • D2D Device to Device
  • the repeater acts as the only connection device between the gateway and the terminal. When there is a problem with the repeater, communication between the terminal accessing the repeater and the gateway will be interrupted.
  • the wireless connection manner between the terminal and the repeater, and the wireless connection manner between the repeater and the gateway include but are not limited to: Bluetooth, WIFI, zigbee, 3G, 4G, and future 5G.
  • the terminal 111 can communicate with the repeater 112 through the downlink and the uplink.
  • the downlink (or forward link) refers to the communication link from the repeater 112 to the terminal 111
  • the uplink (or reverse link) refers to the communication link from the terminal 111 to the repeater 112.
  • SC-FDMA Single-Carrier Frequency-Division Multiple Access
  • OFDM Orthogonal Frequency Division Multiple Access
  • CP Cyclic Prefix cyclic prefix
  • the uplink and downlink carriers can be unified, that is, both uplink and downlink adopt OFDM and CP.
  • an embodiment of the present invention provides a relay automatic routing method, where the method includes the following steps:
  • the gateway obtains the number m of terminals of the damaged repeater, where m is a positive integer greater than zero.
  • the terminal when the terminal is unable to communicate with the damaged repeater, the terminal may feed back the identifier of the damaged repeater to the gateway, so that the gateway obtains the damaged repeater and cannot communicate, and records the Loss in the access table of the repeater.
  • the gateway connects to different repeaters through different ports, and the gateway communicates with the repeater. If the gateway finds that it cannot communicate with the repeater through a certain port, the gateway determines that the corresponding repeater of the port is The damaged repeater records the identity of the damaged repeater in the access list of the damaged repeater.
  • the communication rate between the terminal and the repeater is less than a preset threshold, the repeater can also be considered a damaged repeater.
  • an access table of the damaged repeater is stored in the gateway, and an identifier of the terminal accessing the damaged repeater is recorded in the access table.
  • the gateway reads the access list of the damaged repeater, and counts the number m of terminals connected to the damaged repeater according to the number of identifiers of the terminals recorded in the access table.
  • the damaged repeater is a repeater that has a fault and cannot work normally.
  • the above terminals may have different manifestations depending on different situations, and a terminal (for example, a cellular phone or a smart phone) may utilize a wireless communication system to transmit and receive data for two-way communication.
  • the terminal may include a transmitter for data transmission and a receiver for data reception.
  • the transmitter can modulate the transmit local oscillator (LO) signal with data to obtain a modulated radio frequency (RF) signal, and amplify the modulated RF signal to obtain an output RF signal having an appropriate transmit power level. And transmitting the output RF signal to the base station via the antenna.
  • LO transmit local oscillator
  • RF radio frequency
  • the receiver can obtain the received RF signal via an antenna, amplify and downconvert the received RF signal with the received LO signal, and process the downconverted signal to recover the data transmitted by the base station.
  • Terminal 11 can support communication with multiple wireless systems of different radio access technologies (RATs) (eg LTE/TE-A and NR). Each wireless system may have certain characteristics and requirements to efficiently support simultaneous communication of wireless systems utilizing different RATs.
  • RATs radio access technologies
  • a wireless user equipment may also be referred to as a User Equipment (UE), a mobile station, a terminal, an access terminal, a subscriber unit, a station, and the like.
  • Wireless user equipment can be cellular phones, smart phones, tablet computers, wireless modems, personal digital assistants (PDAs), handheld devices, laptop computers, smartbooks, netbooks, cordless phones, wireless local loop (WLL) sites, Bluetooth Equipment, and so on.
  • terminals can also be other devices with networking capabilities, such as smart lights, smart TVs, smart cleaning devices, smart sleep devices, intelligent monitoring devices, etc.
  • the form of performance can be various, for example, for a smart electric lamp, including but not limited to: a smart table lamp, a smart ceiling lamp, a smart wall lamp, etc., for example, for a smart TV, it can be a Samsung smart TV, of course It can also be a Sharp smart TV.
  • a smart cleaning device can be a smart sweeping robot.
  • it can also include a smart vacuum cleaner, a smart garbage processor, etc., for example, for a smart sleep device,
  • a smart mattress, the smart sofa, and the like for example, for the smart monitoring device, it may be an intelligent sphygmomanometer, a smart thermometer, etc., and the present invention does not limit the specific form, the number or the kind of the terminal.
  • the terminal may be capable of communicating with the wireless system and may also be capable of receiving signals from a broadcast station, satellites in one or more Global Navigation Satellite Systems (GNSS), and the like.
  • GNSS Global Navigation Satellite Systems
  • Terminal 11 may support one or more RATs for wireless communication, such as GSM, WCDMA, cdma2000, LTE/LTE-A, 802.11, and the like.
  • RAT radio access technology
  • RAT radio technology
  • air interface and “standard” are often used interchangeably.
  • the identifier of the terminal may be an International Mobile Equipment Identity (IMEI) of the terminal, or may be a MAC address of the terminal, or may be another device that enables the gateway to identify the terminal. Identification information, no restrictions here.
  • IMEI International Mobile Equipment Identity
  • the repeater may be a relay station, or may be a relay device that has a device to device (D2D) communication connection with the terminal device.
  • the D2D pass
  • the letter connection can be: Wi-Fi (Wireless Fidelity), Bluetooth, Zigbee, and Long Term Evolution (LTE) based D2D communication connection and the like.
  • the gateway acquires the number of terminals of each of the n neighboring repeaters.
  • the topology table of the damaged repeater is stored in the gateway, wherein the topology table records the connection relationship between the damaged repeater and the neighboring repeater.
  • the gateway can find the n neighboring repeaters of the damaged repeater by looking up the topology table of the damaged repeater. Then, the gateway separately obtains an access table of each of the neighboring repeaters of the n neighboring repeaters, and then separately counts n neighboring nodes according to the access table of each of the neighboring repeaters. The number of terminals in each of the relays in the relay (see the description in step 1 for details).
  • n neighboring repeaters may be the same type of relay device or different types of relay devices.
  • n neighboring repeaters may all be relay stations, and n neighboring repeaters may include relay stations, relay devices, and the like, respectively.
  • the identifier of the damaged repeater in the topology table is associated with the identifier of the neighboring repeater and stored as one row in the topology table, indicating that there is a connection relationship between the damaged repeater and the neighboring repeater.
  • the identifier of the damaged repeater and the identifier of the neighboring repeater may be a Radio Network Temporary Identity (RNTI) of the relay device, or may be a MAC address of the relay device, or may be other capable
  • RNTI Radio Network Temporary Identity
  • the gateway is configured to identify the identification information of the relay device, and no limitation is made herein.
  • the gateway allocates m terminals of the damaged repeater to the n neighboring repeaters according to the number of terminals of each of the n neighboring repeaters.
  • the damaged repeater has a fault and cannot be connected to the terminal of the damaged repeater (for the sake of simplicity, the terminal collectively referred to as the damaged repeater in the article) and the gateway.
  • the communication provides a service.
  • the terminal connected to the damaged repeater needs to be switched to the adjacent repeater of the damaged repeater, and the switched terminal can communicate with the gateway through the adjacent repeater.
  • the distance between each of the n neighboring repeaters and the damaged repeater is less than the distance threshold.
  • the gateway allocates m terminals of the damaged repeater to the n neighboring repeaters according to the allocation policy, including the following steps:
  • n neighboring repeaters report their own measurement results to the gateway.
  • the n neighboring repeaters report their own measurement results to the gateway through uplink control signaling.
  • the neighboring repeater can report its own measurement result to the gateway through an uplink control signaling; in another embodiment, the neighboring repeater can use multiple uplink control signaling that carries the measurement result.
  • the gateway reports its own measurement result to prevent the gateway from receiving the measurement result because the channel condition is relatively poor.
  • the neighboring repeater repeatedly sends the uplink control signaling carrying the measurement result to ensure that the gateway can receive the measurement result. Measurement results.
  • the measurement results include: signal strength between the neighboring repeater and the terminal device, load capacity of the neighboring repeater (eg, data buffering capability, remaining power, etc.), current load of the adjacent repeater Quantity, information security processing (encryption and decryption) capabilities, and more.
  • load capacity of the neighboring repeater eg, data buffering capability, remaining power, etc.
  • current load of the adjacent repeater Quantity e.g., information security processing (encryption and decryption) capabilities, and more.
  • the gateway determines the allocation strategy based on the measurement results.
  • the allocation policy can be set in advance.
  • the allocation policy may be a load balancing policy, or a policy that the user needs to customize according to actual usage requirements.
  • the allocation policy can follow the following rules: strong signal strength between adjacent repeaters and terminal devices, strong load capacity of adjacent repeaters, less current load of adjacent repeaters, and information security processing capability. Strong neighboring repeaters are assigned to more terminals, and conversely, the signal strength between the neighboring repeater and the terminal device is weak, the load capacity of the neighboring repeaters is weak, and the current neighboring repeater is currently negative. Neighboring repeaters with more load and weaker information security processing capabilities are allocated to fewer terminals.
  • the gateway sends the allocation policy to the terminal.
  • the gateway sends an allocation policy to the terminal by using downlink control signaling.
  • the gateway may send an allocation policy to the terminal by using one downlink control signaling.
  • the gateway may send an allocation policy to the terminal by using multiple downlink control signaling that carries the allocation policy.
  • the terminal does not receive the allocation policy because the channel condition is relatively poor.
  • the gateway repeatedly transmits the downlink control signaling carrying the allocation policy to ensure that the terminal can receive the allocation policy.
  • the terminal accesses the corresponding neighboring repeater according to the received allocation policy.
  • the gateway can evenly allocate m terminals of the damaged repeater to n neighboring repeaters, that is, n neighbors. Any one of the relays in the relay will be assigned to m/n terminals.
  • the adjacent repeater can be a backup device of the damaged device.
  • the adjacent repeater does not normally carry any bearer forwarding service, and the neighboring repeater only serves as a backup for the damaged device, and will be damaged when the damaged device fails.
  • the forwarding service carried by the device is transferred to the neighboring repeater, and the neighboring repeater only bears the forwarding service transferred by the damaged device.
  • the neighboring repeater also carries other forwarding services. When the damaged device fails, the forwarding service carried by the damaged device is transferred to the adjacent repeater, and the adjacent repeater simultaneously bears the transfer of the damaged device. Forward traffic and other forwarding services.
  • FIG. 3 is a schematic structural diagram of a relay automatic routing apparatus according to an embodiment of the present invention.
  • the relay automatic routing device 30 of this embodiment includes: a first acquiring module 310, and a second acquiring Module 320 and allocation module 330.
  • the first obtaining module 310 is configured to acquire the number m of terminals of the damaged repeater, where m is a positive integer.
  • the second obtaining module 320 is configured to acquire the number of m terminals of each of the n neighboring repeaters, wherein each of the n neighboring repeaters and the neighboring The distance of the damaged repeater is less than the distance threshold, and n is a positive integer greater than zero.
  • the allocating module 330 is configured to allocate the terminal of the damaged repeater to the n neighboring repeaters according to the number of terminals of each of the n neighboring repeaters.
  • the step 210 in the method embodiment shown in FIG. 2 may be performed by the first obtaining module 310.
  • the step 220 in the method embodiment shown in FIG. 2 may be performed by the second obtaining module 320.
  • the step 230 can be performed by the distribution module 330.
  • FIG. 4 is a schematic structural diagram of a gateway according to an embodiment of the present invention.
  • the gateway of this embodiment is further optimized for the gateway shown in FIG. 3.
  • the gateway of this embodiment is different from the gateway shown in FIG. 3 in that the first acquiring module 310 includes a first acquiring unit 311 and a a statistic unit 312,
  • the first obtaining unit 311 is configured to acquire an access table of the damaged repeater
  • the first statistic unit 312 is configured to count the number of terminals of the damaged repeater according to the access table of the damaged repeater.
  • the second obtaining module 320 includes: a second obtaining unit 321 and a searching unit 322.
  • the second obtaining unit 321 is configured to acquire a topology table of the damaged repeater.
  • the searching unit 322 finds the n neighboring relays according to the topology table of the damaged repeater. Device.
  • the second obtaining module further includes: a third obtaining unit 323 and a second statistics unit 324,
  • the third obtaining unit 323 is configured to acquire an access table of each of the n neighboring repeaters
  • the second statistic unit 324 is configured to separately count, according to an access table of each of the n neighboring repeaters, a terminal of each of the n neighboring repeaters. quantity.
  • the allocating module 330 is specifically configured to allocate the terminal of the damaged repeater to the n neighbors according to an allocation policy according to the number of terminals of each of the n neighboring repeaters. Relay.
  • FIG. 5 is a schematic structural diagram of a gateway according to an embodiment of the present invention.
  • the gateway of this embodiment includes: at least one processor 501, a communication interface 502, a user interface 503, and a memory 504.
  • the processor 501, the communication interface 502, the user interface 503, and the memory 504 can be connected by using a bus or other manner. Take the connection through the bus 505 as an example. among them,
  • the processor 501 can be a general purpose processor, such as a Central Processing Unit (CPU).
  • CPU Central Processing Unit
  • Communication interface 502 can be a wired interface (e.g., an Ethernet interface) or a wireless interface (e.g., a cellular network interface or a wireless local area network interface) for communicating with other electronic devices or websites.
  • the communication interface 502 is specifically configured to recommend the target recommendation object to the user of the electronic device.
  • the user interface 503 may specifically be a touch panel, including a touch screen and a touch screen, for detecting an operation instruction on the touch panel, and the user interface 503 may also be a physical button or a mouse.
  • the user interface 603 can also be a display screen for outputting, displaying images or data.
  • the memory 504 can include a volatile memory (Volatile Memory), such as random access memory.
  • Memory access memory (RAM) may also include non-volatile memory (Non-Volatile Memory), such as read-only memory (ROM), flash memory (Flash Memory), hard disk (Hard Disk Drive (HDD) or Solid State Drive (SSD); the memory 504 may also include a combination of the above types of memories.
  • the memory 504 is configured to store a set of program codes, and the processor 501 is configured to call the program code stored in the memory 504 to perform the following operations:
  • n is a positive integer greater than zero
  • the m terminals of the damaged repeater are allocated to the n neighboring repeaters according to the number of terminals of each of the n neighboring repeaters.
  • the number of terminals of the damaged repeater is counted according to the access table of the damaged repeater.
  • the terminal of the damaged repeater is allocated to the n neighboring repeaters according to an allocation policy according to the number of terminals of each of the n neighboring repeaters.
  • the above invention obtains the number m of terminals of the damaged repeater and the number of terminals of the n adjacent repeaters connected to the damaged repeater when the damaged repeater fails, and according to the damaged repeater Connection
  • the number of terminals of each of the n neighboring repeaters adjacent to the repeater distributes the m terminals of the damaged repeater to n neighboring repeaters.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

La présente invention concerne un procédé et un dispositif d'acheminement automatique par relais. Le procédé comprend les étapes suivantes : une passerelle obtient le nombre m de terminaux d'un répéteur endommagé, m étant un nombre entier positif ; la passerelle obtient le nombre de terminaux de chaque répéteur adjacent parmi n répéteurs adjacents, la distance entre chaque répéteur adjacent parmi les n répéteurs adjacents et le répéteur endommagé étant inférieure à un seuil de distance, et n étant un nombre entier positif supérieur à 0 ; et la passerelle attribue les m terminaux du répéteur endommagé aux n répéteurs adjacents d'après le nombre de terminaux de chaque répéteur adjacent parmi les n répéteurs adjacents. Le procédé décrit peut améliorer la fiabilité d'une liaison de communication.
PCT/CN2017/100742 2017-08-29 2017-09-06 Procédé et dispositif d'acheminement automatique par relais WO2019041369A1 (fr)

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