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WO2018130021A1 - Dispositif et procédé d'accès au réseau - Google Patents

Dispositif et procédé d'accès au réseau Download PDF

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Publication number
WO2018130021A1
WO2018130021A1 PCT/CN2017/113457 CN2017113457W WO2018130021A1 WO 2018130021 A1 WO2018130021 A1 WO 2018130021A1 CN 2017113457 W CN2017113457 W CN 2017113457W WO 2018130021 A1 WO2018130021 A1 WO 2018130021A1
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WO
WIPO (PCT)
Prior art keywords
user equipment
network
target user
target
short
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2017/113457
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English (en)
Chinese (zh)
Inventor
程翰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Zhangmen Science and Technology Co Ltd
Original Assignee
Shanghai Zhangmen Science and Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Shanghai Zhangmen Science and Technology Co Ltd filed Critical Shanghai Zhangmen Science and Technology Co Ltd
Publication of WO2018130021A1 publication Critical patent/WO2018130021A1/fr
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/005—Discovery of network devices, e.g. terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management

Definitions

  • the network corresponding to the access point implements network access. Further, even if a single area is covered by multiple wireless networks, or corresponding to multiple wireless access points, the total number of mobile devices that can actually access the wireless network and the coverage of the actual wireless network are also limited accordingly. The maximum number of devices that can be accepted by each wireless AP or wireless router and the network coverage limit.
  • the purpose of the application is to provide a method and device for performing network access.
  • a method for network access at a first user equipment end includes:
  • a method for network access at a target user equipment side including:
  • a first user equipment for performing network access including:
  • a third device configured to access a network connected to the target user equipment based on the short-range communication connection with the target user equipment.
  • a system for accessless network access includes: one or more first user equipments for performing network access according to still another aspect of the present application. And one or more corresponding second network devices; or including one or more first user devices for network access provided according to still another aspect of the present application, and one provided according to still another aspect of the present application Target user equipment for network access.
  • a user equipment for network access wherein the user equipment is configured to perform at least one of the following:
  • the network connected to the user is shared by one or more first user equipments in the corresponding area, where the target user equipment belongs to the second user equipment;
  • the corresponding one or more first user equipments in the corresponding area are obtained by a scanning operation, wherein the second user equipment is in a network connection state.
  • a centerless ad hoc network system wherein the system comprises:
  • a plurality of user equipments in a corresponding area wherein some or all of the user equipments each implement a network connection based on a network of other user equipments in the area;
  • Each user equipment in the corresponding area meets at least one of the following:
  • the target user equipment to share the network connected to the first user equipment in the system, wherein the target user equipment belongs to the second user equipment;
  • the second user equipment being used by the corresponding one or more first user equipments in the system to obtain by using a scanning operation, wherein the second user equipment is in a network connection state.
  • the first user equipment that has the networking requirement determines the target user equipment that is in the network connection state from the obtained one or more second user equipments, and implements the A short-range communication connection of the target user equipment accessing the network to which the target user equipment is connected.
  • the first user equipment in a certain area does not need to directly connect to a network central node, such as a general wireless access point, but can establish a close communication connection with other target user equipments that have already implemented networking.
  • the purpose of accessing the network connected to the target user equipment is indirectly implemented. Therefore, the number of optional ways for the first user equipment to access the network is increased, and the first user equipment that implements the network connection can also serve as a network user equipment for other requirements.
  • the application can effectively alleviate the connection pressure of the network central node in the corresponding area and the user equipment concentration; in addition, even if the first user equipment is not connected to the target user equipment Within the coverage of the network, as long as it can establish a close-range communication connection with the target user equipment, the indirect access to the network to which the target user equipment is connected can be implemented by the present application. Therefore, compared with the existing network access solution, the total number of mobile devices that can actually access the wireless network is significantly increased in the corresponding area; and the coverage of the actual wireless network is significantly expanded; The pressure of the network center node in the area; and can better meet the network connection needs of more users, and solve the dilemma of no network available. Further, as the concentration of the user equipment in the corresponding area is higher and the user network connection demand is larger, the above various beneficial effects of the present application will become more prominent.
  • FIG. 2 is a flowchart of a method for performing network access on a first user equipment end and a target user equipment end according to a preferred embodiment of the present application;
  • FIG. 3 is a schematic diagram of a device of a first user equipment performing network access according to another aspect of the present application.
  • FIG. 4 shows a system diagram for performing network access in accordance with a preferred embodiment of the present application
  • FIG. 6 shows a comparison of technical effects of the present application and the existing network access technology.
  • the terminal, the device of the service network, and the trusted party each include one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
  • processors CPUs
  • input/output interfaces network interfaces
  • memory volatile and non-volatile memory
  • Computer readable media includes both permanent and non-persistent, removable and non-removable media.
  • Information storage can be implemented by any method or technology.
  • the information can be computer readable instructions, data structures, modules of programs, or other data.
  • Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read only memory. (ROM), electrically erasable programmable read only memory (EEPROM), flash memory or other memory technology, compact disk read only memory (CD-ROM), digital versatile disk (DVD) or other optical storage,
  • computer readable media does not include non-transitory computer readable media, such as modulated data signals and carrier waves.
  • step S11 shows a flow chart of a method for network access at a first user equipment side in accordance with an aspect of the present application.
  • the method comprises step S11, step S12 and step S13.
  • An embodiment of the present application provides a method for performing network access on a first user equipment end, where the method may be implemented in a corresponding first user equipment.
  • the first user equipment may include, but is not limited to, various mobile devices, such as a smart phone, a tablet computer, a smart wearable device, and the like.
  • the first user equipment may implement a certain networking function, such as a wireless networking function; and have a function of short-distance communication with other devices.
  • the first user equipment may be referred to as the first user equipment 1.
  • the first user equipment 1 may acquire one or more second user equipments in the vicinity of the first user equipment 1, where the second user equipment matches the first user equipment 1 a short-range wireless communication protocol; in step S12, the first user equipment 1 may determine the target user equipment 2 from the one or more second user equipments for performing a short-range communication connection with the target user equipment 2, The target user equipment 2 is in a network connection state; in step S13, the first user equipment 1 can access the target user equipment 2 based on the short-range communication connection with the target user equipment 2 The internet.
  • the first user equipment 1 may acquire one or more second user equipments in the vicinity of the first user equipment 1, where the second user equipment and the first user equipment have the same matching Short-range wireless communication protocol.
  • the first user equipment 1 may determine one or more second user equipments corresponding to the first user equipment by using a scanning operation, where the first user equipment 1 performs according to a short-range communication protocol.
  • the scanning operation includes, but is not limited to, various current or future short-range communication protocols such as a WiFi Direct communication protocol and a Bluetooth communication protocol.
  • the first user equipment 1 may perform the scanning operation to discover the second user equipment based on the short-range communication protocol.
  • each second user equipment has the same short-range wireless communication protocol as the first user equipment 1.
  • the other implementation manner is: in step S11, the first user equipment 1 may determine one or more second user equipments corresponding to the first user equipment 1 by using a scanning operation, where the first user equipment 1 is based on The short-range communication protocol performs the scanning operation, and the second user equipment matches the first user equipment 1 with the same near Distance wireless communication protocol. Further, in the present application, if each of the first user equipment 1 and the second user equipment are matched with the same short-range wireless communication protocol, mutual discovery can be implemented. Therefore, in actual applications, a certain user equipment may be connected.
  • the first user equipment 1 is required to discover a second user equipment that can provide a network, such as a target user equipment, by using a scanning operation; and after the user equipment is connected to the network, it can be used as a new second user equipment by other first users.
  • Device 1 is scanned.
  • the first user equipment 1 may determine the target user equipment 2 from the one or more second user equipments for making a short-range communication connection with the target user equipment 2, wherein the target User equipment 2 is in a network connection state.
  • the network connection status includes, but is not limited to, direct connection or indirect connection of the target user equipment 2 through various networks, such as 3G, 4G, wifi, wired network, and the like.
  • the directly connected network includes a conventional Internet access method, for example, the target user equipment 2 directly accesses a mobile communication network that matches itself, such as a 3G or 4G network; for example, the target user equipment 2 directly accesses a certain wireless network.
  • the indirect networking mode may include the manner in which the first user equipment 1 indirectly uses the network of the target user equipment 2 to implement networking, where the target user equipment 2 may serve as the first user of the history.
  • the device implements the current networking status by accessing other target user devices.
  • some or all of the second user equipments are in a network connection state, and the target user equipment 2 determined therefrom needs to be a second user equipment in a network connection state.
  • each second user equipment is in a network connection state, where the second user equipment that is scanned may be implemented by setting a condition that each second user equipment broadcasts its frame. Network connection status.
  • the optimal second user equipment is determined as the target user equipment 2. Further, a close communication connection with the target user equipment 2 is established.
  • the determining the target user equipment 2 from the one or more second user equipments includes: selecting, according to the ranking information of the plurality of the second user equipments, the plurality of second user equipments The target user device 2 is determined.
  • the first user equipment 1 may select, from among the plurality of second user equipments, that the network equipment is currently in a network connection state.
  • Second user device as The target user equipment 2 may randomly select one of the plurality if the target user equipment 2 satisfies the condition.
  • the most suitable target user equipment 2 may be selected from the plurality of second user equipments based on the ranking information of each second user equipment, for example, when the first user equipment 1 scans out
  • the second user equipment is the target user equipment 2 that is determined to be superior or even optimal for the first user equipment 1 based on the ranking information when the network user is currently in the network connection state.
  • determining the operation of the target user equipment 2 from the plurality of second user equipments may be automatically performed by the first user equipment 1 based on a preset determination rule, thereby implementing the foregoing
  • a network connection process of the user equipment 1 corresponds to a silent state of the user without perception, enriching the intelligent experience of the user.
  • the ranking information of the multiple second user equipments includes at least one of the following: first, ranking information of network connection quality corresponding to the second user equipment, where the network connection quality may include But not limited to network signal strength, network connection speed, network security information, and so on.
  • the network connection quality may include but not limited to network signal strength, network connection speed, network security information, and so on.
  • the network connection quality includes the network signal strength
  • the signal strength of the network connected to each second user equipment may be used as a reference, and the signal is strongly ranked first.
  • the signal may be the strongest.
  • the two user equipment is determined as the target user equipment 2.
  • the third is the sorting information of the network type accessed by the second user equipment, and the network quality corresponding to the different network types accessed by the second user equipment, such as network speed and network security, may be different.
  • the preset sorting criteria are set differently for the network type, and then the sorting information is determined based on the network type accessed by each second user equipment. For example, the directly connected second user equipment is ranked earlier than the indirectly connected second user equipment; and, for example, further For the second user equipment indirectly connected, the higher the number of forwarding levels of the indirect connection, the lower the ordering; for example, the ranking of the wired network is ahead, and the ranking of the mobile hotspot network is relatively backward; for example, the encrypted network ranking In the past, while open network sorting is relatively late, and so on.
  • the fourth is the ranking information of the network access payment consideration corresponding to the second user equipment.
  • the first user equipment 1 accessing the network corresponding to the target user equipment 2 does not need to pay a consideration, that is, free access.
  • the network access payment consideration may be set when the first user equipment 1 is connected to the target user equipment 2, and the network access payment consideration may include based on actual application requirements.
  • the payment information of the payment may be sorted according to the network access of the different second user equipments, for example, according to the value of the value of the payment.
  • the first user equipment 1 is provided with the second user equipment with a small payment value as the target user. Device 2, so that the user of the first user device 1 enjoys a cost-effective networking service.
  • the first user equipment 1 may determine the target user equipment 2 from the plurality of second user equipments based on a certain sort of sorting information and based on a comprehensive sorting of certain types of sorting information.
  • sorting information is only an example, and other sorting information that may be present or in the future may be included in the scope of the present application and applied in the application manner. Included here.
  • the first user equipment 1 can access the network to which the target user equipment 2 is connected based on the short-range communication connection with the target user equipment 2.
  • the target user equipment 2 can connect the first user equipment 1 to the target user equipment 2 based on a short-range communication connection with the first user equipment 1.
  • the network to which the target user equipment 2 is connected may include a network directly connected to the target user equipment 2, or a network in which the target user equipment 2 is indirectly connected.
  • the direct connection network includes a conventional Internet access mode, for example, the target user equipment 2 directly accesses a mobile communication network that matches itself, such as a 3G or 4G network; for example, the target user equipment 2 directly accesses a wireless local area network, such as WiFi network, at this time, the target user equipment 2 can choose to directly access a wireless access point.
  • the indirect networking mode may include the manner in which the first user equipment 1 indirectly uses the network of the target user equipment 2 to implement networking in the present application.
  • the target user equipment 2 may implement the current networking status by accessing other target user equipments as the historical first user equipment.
  • the target user equipment 2 directly accesses a certain wireless network, and the target user equipment 2 can initiate a connection request by establishing a connection request to a wireless AP or a wireless router corresponding to the wireless network.
  • the first user equipment 1 establishes a short-distance communication connection with the target user equipment 2, and the first user equipment 1 realizes its own networking needs by using the network of the target user equipment 2, for example,
  • the first user equipment 1 sends the network access request to the target user equipment 2, and then the target user equipment 2 sends the network access request to the corresponding network device, and the communication line forwarded to the network device is the target user equipment 2.
  • the reply information from other devices such as the network device, or the access request, is also sent to the target user equipment 2, and then forwarded by the target user equipment 2 to the A user device 1.
  • the first user equipment 1 having the network connection requirement can determine the target user equipment 2 in the network connection state from the obtained one or more second user equipments, and the implementation is based on the target user equipment 2
  • the short-range communication connection accesses the network connected to the target user equipment 2.
  • the first user equipment 1 in a certain area does not have to directly connect to a network central node, such as a general wireless access point, but can establish a close range with other target user equipments 2 that have already implemented networking.
  • the communication connection indirectly, achieves the purpose of accessing the network connected to the target user equipment 2, and therefore, the number of optional ways for the first user equipment 1 to access the network is increased, and at the same time, the first user equipment 1 that implements networking may also serve as the other
  • the target user equipment 2 of the network user equipment is required to be connected. Therefore, the application can effectively alleviate the connection pressure of the network central node in the corresponding area, such as the user equipment of the wireless access point; in addition, even if the first user equipment 1 is not in the target user In the coverage of the network to which the device 2 is connected, as long as it can establish a close-range communication connection with the target user equipment 1, the indirect access to the network to which the target user equipment 2 is connected can be implemented by the present application.
  • the total number of mobile devices that can actually access the wireless network is significantly increased in the corresponding area; and the coverage of the actual wireless network is significantly expanded;
  • the pressure of the network center node in the area and can better meet the network connection needs of more users, and solve the dilemma of no network available.
  • the concentration of user equipment in the corresponding area is higher, the user needs to connect to the network. The larger the above various benefits of the present application, the more significant.
  • the method further includes a step S14 (not shown), in which the first user equipment 1 can detect the network connection quality currently corresponding to the first user equipment 1; If the network connection quality threshold is smaller than the preset network connection quality, the matching target user equipment is replaced; and the network connected to the replaced target user equipment is accessed based on the short-distance communication connection with the replaced target user equipment.
  • the first user equipment 1 can replace the matching target user equipment 2 based on its current network connection quality.
  • the replacement of the target user equipment 2 may be based on a selection operation of a corresponding user.
  • the corresponding target user equipment 2 may be automatically replaced by the first user equipment 1, for example, if the network connection quality is less than a preset network connection quality threshold, the network communication line is replaced.
  • the corresponding network connection quality threshold may be set based on different types of network connection quality, such as, but not limited to, network signal strength, network connection speed, network security information, and the like; It is also possible to set a network connection quality threshold corresponding to the quality of the integrated network connection.
  • the method further includes a step S22 (not shown).
  • the target user equipment 2 may periodically broadcast its frame for It is scanned by the corresponding first user equipment 1.
  • each of the second user equipments in the network connection state may also broadcast a frame, where the target user equipment 2 is included in each of the second user equipments.
  • the first user equipment 1 scans, and based on this, the proportion of the plurality of second user equipments scanned by the first user equipment 1 and actually connected to the network equipment can be increased, thereby improving the first user equipment 1 Network success rate.
  • the method further includes a step S23 (not shown).
  • step S23 when at least one of the following is satisfied, the target user equipment 2 may stop broadcasting the frame corresponding to the target user equipment 2: First, the total amount of the first user equipment 1 currently matched by the target user equipment 2 is greater than a preset number of equipment thresholds. In practical applications, in one implementation, Based on the pre-deployed forwarding module in the target user equipment 2, the target user equipment 2 can be matched at the same time, that is, the number of devices that are forwarded at the same time, that is, the total amount of the first user equipment 1 currently matched by the target user equipment 2 is There is a ceiling.
  • the preset device number threshold may be any value less than or equal to the upper limit of the total amount, and the purpose of the setting is to ensure the network connection quality of the target user equipment 2 and the corresponding first user equipment 1 .
  • the number of networking levels corresponding to the target user equipment 2 is greater than a preset indirect networking level threshold. In the actual application scenario, the number of networking levels between the user equipments is set.
  • the target user equipment 2 is directly connected to the network, it is a single layer network connection; for example, if the target user equipment 2 is connected The network of the target user equipment 3, and the target user equipment 3 is directly connected to the network, the target user equipment 2 is a Layer 2 network, corresponding to one-time forwarding; and so on, the device indirect network level threshold is N layer That is, the maximum connection level of the target user equipment 2 does not exceed the N layer, and corresponds to forwarding N-1 times.
  • the target user equipment 2 may stop broadcasting the frame corresponding to the target user equipment 2, so that the first user equipment 1 cannot scan the target user equipment 2. Further, in an implementation manner, if one or more first user equipments 1 that are matched by the target user equipment 2 are disconnected, the target user equipment 2 may reply to broadcast its corresponding frame, so that it can be used by other seconds again.
  • the frame broadcast by the second user equipment may be a presence frame, where the frame includes the identification information of the second user equipment, and is used by other devices, such as the first user equipment 1 to scan. Find.
  • FIG. 2 is a flowchart of a method for performing network access on a first user equipment end and a target user equipment end according to a preferred embodiment of the present application.
  • the method comprises a step S11', a step S12', a step S13' and a step S21'.
  • the first user equipment 1 may determine one or more second user equipments corresponding to the first user equipment 1 by a scanning operation, wherein the first user equipment 1 performs the method according to a short-range communication protocol.
  • step S12' the first user equipment 1 may determine the target user equipment 2 from the one or more second user equipments, wherein the target user equipment 2 is in a network connection state;
  • step S13' the first user equipment 1 may send a network access request of the first user equipment 1 to the target user equipment 2 based on a short-range communication connection with the target user equipment 2, Sending the network access request to the corresponding network device through the network corresponding to the target user equipment 2; then, in step 21', the target user equipment 2 is based on short-distance communication with the first user equipment 1 Connecting, receiving the network access request of the first user equipment 1; sending the network access request to the corresponding network device through the network corresponding to the target user equipment 2, where the step S11' and the step S12' are Steps S11 and S12 in FIG. 1 are the same or substantially the same, and are not described herein again, and are included herein by reference.
  • the target user equipment 2 directly accesses a certain wireless network, and the target user equipment 2 may initiate a connection request to a wireless AP or a wireless router corresponding to the wireless network to establish a connection request. Its corresponding connection.
  • the first user equipment 1 may send the network access request to the target user equipment 2 first, and then the target user equipment 2 sends the network access request to the corresponding network device, and the communication line forwarded to the network device is The network of the target user equipment 2.
  • the target user equipment 2 may forward the network access request (NAT) of the first user equipment 1 to the network access channel of the first user equipment 1 to be sent to the corresponding network device; further, the target The user equipment 2 can also return the network communication reply content received from the network device to the first user equipment 1.
  • the device directly connected to the network corresponding to the target user equipment 2 does not have the first user equipment 1.
  • the target user equipment 1 is a method for sending or receiving a network request through the target user equipment 2. Indirect access to the wireless access point is achieved.
  • a forwarding module may be pre-deployed in the target user equipment 2 to implement a function for requesting the target user equipment 2, for example, a gateway is deployed to implement the NAT function.
  • the device quantity information that the target user equipment 2 can implement forwarding at the same time may also be set based on the forwarding module.
  • the target user equipment 2 may also be indirectly connected to a certain wireless network.
  • the target user equipment 2 implements networking by accessing the target user equipment 3, where the target user equipment 3 is implemented. Directly connecting to a wireless access point, at this time, the network access request of the first user equipment 1 is first sent to the target user equipment 2, and then the target user equipment 2 bases the network access request on the network to which it is connected. Forward to the corresponding network device.
  • the first user equipment 1 may be matched to the directly connected target user equipment 2 to reduce the information forwarding communication line when the first user equipment 1 is indirectly connected to the network. Quantity.
  • the application scenario in order to achieve a significant increase in the total number of mobile devices that can actually access the wireless network in the corresponding area, and the coverage of the actual wireless network is significantly expanded, and the network resources are excellent, the application scenario can be implemented.
  • the number of the networking levels between the user equipments is set.
  • the number of network layers of the first user equipment 1 is not more than two, that is, no more than one forwarding
  • the target user equipment 2 is The network layer level is not more than one layer of network connection, that is, the target user equipment 2 can only be directly connected to the network; and so on, the number of network layer levels of the first user equipment 1 can be set to not exceed the N layer network connection, that is, no If the forwarding is more than N-1 times, the number of networking layers of the target user equipment 2 does not exceed N-1 layer networking, that is, no more than N-2 forwarding.
  • the target user equipment 2 may receive a network access request of the first user equipment 1 based on a short-range communication connection with the first user equipment 1; The target user equipment 2 may further determine, according to the network access request, whether the first user equipment 1 is an authorized access device; if the first user equipment 1 is an authorized access device, pass the target user equipment 2 Corresponding network, sending the network access request to a corresponding network device. If the first user equipment 1 is an unauthorized access device, the indirect connection of the first user equipment 1 is rejected, that is, the forwarding operation of the network access request is not performed.
  • the first user equipment 1 as an authorized access device may add authorization information, such as string information for verifying authorization, in the corresponding network access request, and may identify whether it is authorized access. Device identification information of the device, etc.
  • FIG. 3 shows a schematic diagram of a device of a first user equipment 1 for performing network access according to another aspect of the present application.
  • the first user equipment 1 includes a first device 31, a second device 32, and a third device 33.
  • the embodiment of the present application provides a first user equipment for performing network access
  • the first user equipment may include, but is not limited to, various mobile devices, such as a smart phone, a tablet computer, a smart wearable device, and the like.
  • the first user equipment may implement a certain networking function, such as a wireless networking function; and have a function of short-distance communication with other devices.
  • the first user equipment may be referred to as the first user equipment 1.
  • the first device 31 may acquire one or more second user equipments in the vicinity of the first user equipment 1, where the second user equipment matches the first user equipment 1 with the same short-range wireless communication protocol.
  • the second device 32 may determine the target user equipment 2 from the one or more second user equipments for making a short-range communication connection with the target user equipment 2, wherein the target user equipment 2 is in a network connection state
  • the third device 33 can access the network to which the target user equipment 2 is connected based on the short-range communication connection with the target user equipment 2.
  • a system for performing network access may include a first user equipment and a target user equipment.
  • the target user equipment may include, but is not limited to, various mobile devices, such as a smart phone, a tablet, a smart wearable device, and the like.
  • the target user equipment may implement a certain networking function, such as a wireless networking function; and have a function of short-distance communication with other devices.
  • the target user equipment may be referred to as a target user equipment 2, in this implementation, the target user equipment 2 includes a fifth device (not shown), and the fifth device may be based on The short-distance communication connection of the first user equipment 1 connects the first user equipment 1 to the network to which the target user equipment 2 is connected.
  • the first device 31 may acquire one or more second user devices in the vicinity of the first user equipment 1, wherein the second user equipment matches the first user equipment with the same short-range wireless communication protocol.
  • the first user equipment 1 may determine one or more second user equipments corresponding to the first user equipment by using a scanning operation, where the first user equipment 1 performs according to a short-range communication protocol.
  • the scanning operation includes, but is not limited to, various current or future short-range communication protocols such as a WiFi Direct communication protocol and a Bluetooth communication protocol.
  • the first user equipment 1 may perform the scanning operation to discover the second user equipment based on the short-range communication protocol.
  • the first user equipment 1 is configured with a WiFi Direct communication protocol, and the first user equipment 1 can discover a frame corresponding to the second user equipment by using a scan operation.
  • the second user equipment The frame can be broadcast based on the default settings; in another implementation, the broadcast condition can also be flexibly set based on the need, for example, when the second user When the device is in a network connection state, its frame is broadcast.
  • the frame broadcast by the second user equipment may be a presence frame, where the frame includes the identification information of the second user equipment, and is used by other devices, such as the first user equipment 1 to scan. Find.
  • each second user equipment has the same short-range wireless communication protocol as the first user equipment 1.
  • the first device 31 may determine one or more second user equipments corresponding to the first user equipment 1 by using a scanning operation, where the first user equipment 1 performs according to a short-range communication protocol. The scanning operation is performed, and the second user equipment matches the first user equipment 1 with the same short-range wireless communication protocol. Further, in the present application, if each of the first user equipment 1 and the second user equipment are matched with the same short-range wireless communication protocol, mutual discovery can be implemented. Therefore, in actual applications, a certain user equipment may be connected.
  • the first user equipment 1 is required to discover a second user equipment that can provide a network, such as a target user equipment, by using a scanning operation; and after the user equipment is connected to the network, it can be used as a new second user equipment by other first users.
  • Device 1 is scanned.
  • the second device 32 may determine the target user equipment 2 from the one or more second user equipments for making a short-range communication connection with the target user equipment 2, wherein the target user equipment 2 is in a network connection status.
  • the network connection status includes, but is not limited to, direct connection or indirect connection of the target user equipment 2 through various networks, such as 3G, 4G, wifi, wired network, and the like.
  • the directly connected network includes a conventional Internet access method, for example, the target user equipment 2 directly accesses a mobile communication network that matches itself, such as a 3G or 4G network; for example, the target user equipment 2 directly accesses a certain wireless network.
  • the target user equipment 2 can choose to directly access a wireless access point.
  • the indirect networking mode may include the manner in which the first user equipment 1 indirectly uses the network of the target user equipment 2 to implement networking, where the target user equipment 2 may serve as the first user of the history.
  • the device implements the current networking status by accessing other target user devices.
  • some or all of the second user equipments are in a network connection state, and the target user equipment 2 determined therefrom needs to be a second user equipment in a network connection state.
  • each second user equipment is in a network connection state, where the second user equipment that is scanned may be implemented by setting a condition that each second user equipment broadcasts its frame. Network connection status. Further, after a plurality of are in the network connection state, the most An excellent second user equipment is used as the target user equipment 2. Further, a close communication connection with the target user equipment 2 is established.
  • the determining the target user equipment 2 from the one or more second user equipments includes: selecting, according to the ranking information of the plurality of the second user equipments, the plurality of second user equipments The target user device 2 is determined.
  • the first user equipment 1 may select, from among the plurality of second user equipments, that the network equipment is currently in a network connection state.
  • the second user equipment is used as the target user equipment 2. If there are multiple target user equipments 2 that satisfy the condition, one of them may be randomly selected.
  • the most suitable target user equipment 2 may be selected from the plurality of second user equipments based on the ranking information of each second user equipment, for example, when the first user equipment 1 scans out
  • the second user equipment is the target user equipment 2 that is determined to be superior or even optimal for the first user equipment 1 based on the ranking information when the network user is currently in the network connection state.
  • determining the operation of the target user equipment 2 from the plurality of second user equipments may be automatically performed by the first user equipment 1 based on a preset determination rule, thereby implementing the foregoing
  • a network connection process of the user equipment 1 corresponds to a silent state of the user without perception, enriching the intelligent experience of the user.
  • the ranking information of the multiple second user equipments includes at least one of the following: first, ranking information of network connection quality corresponding to the second user equipment, where the network connection quality may include But not limited to network signal strength, network connection speed, network security information, and so on.
  • the network connection quality may include but not limited to network signal strength, network connection speed, network security information, and so on.
  • the network connection quality includes the network signal strength
  • the signal strength of the network connected to each second user equipment may be used as a reference, and the signal is strongly ranked first.
  • the signal may be the strongest.
  • the two user equipment is determined as the target user equipment 2.
  • the second user equipment is the first user equipment 1 in the actual application. In the actual application, multiple first user equipments 1 can pass through the same one.
  • the second user equipment is connected to the Internet indirectly.
  • the number of user equipments that each second user equipment can connect to is limited, and if the number of connected user equipments is excessive, each user equipment, and the user equipment
  • the network status of the second user equipment itself may also be affected, so in order to ensure the overall level of network quality of each user
  • the first user equipment 1 can select, as the target user equipment, the second user equipment that is matched with the least number of other user equipments among the scanned second user equipments.
  • the third is the sorting information of the network type accessed by the second user equipment, and the network quality corresponding to the different network types accessed by the second user equipment, such as network speed and network security, may be different.
  • the preset sorting criteria are set differently for the network type, and then the sorting information is determined based on the network type accessed by each second user equipment. For example, the directly connected second user equipment is ranked earlier than the indirectly connected second user equipment; for example, further, for the indirectly connected second user equipment, the higher the forwarding level of the indirect connection is.
  • the sorting is more backward; for example, the sorting of the wired network is in the front, and the sorting of the mobile hotspot network is relatively backward; for example, the encrypted network is sorted first, and the open network sorting is relatively backward, and so on.
  • the fourth is the ranking information of the network access payment consideration corresponding to the second user equipment.
  • the first user equipment 1 accessing the network corresponding to the target user equipment 2 does not need to pay a consideration, that is, free access.
  • the network access payment consideration may be set when the first user equipment 1 is connected to the target user equipment 2, and the network access payment consideration may include based on actual application requirements.
  • the payment information of the payment may be sorted according to the network access of the different second user equipments, for example, according to the value of the value of the payment.
  • the first user equipment 1 is provided with the second user equipment with a small payment value as the target user. Device 2, so that the user of the first user device 1 enjoys a cost-effective networking service.
  • the first user equipment 1 may determine the target user equipment 2 from the plurality of second user equipments based on a certain sort of sorting information and based on a comprehensive sorting of certain types of sorting information.
  • sorting information is only an example, and other sorting information that may be present or in the future may be included in the scope of the present application and applied in the application manner. Included here.
  • the third device 33 can access the network to which the target user equipment 2 is connected based on a short-range communication connection with the target user equipment 2.
  • the fifth device of the target user equipment 2 can connect the first user equipment 1 to the target user equipment 2 based on a short-range communication connection with the first user equipment 1.
  • the internet may include a network directly connected to the target user equipment 2, or a network in which the target user equipment 2 is indirectly connected.
  • the direct connection network includes a conventional Internet access mode, for example, the target user equipment 2 directly accesses a mobile communication network that matches itself, such as a 3G or 4G network; for example, the target user equipment 2 directly accesses a wireless local area network, such as WiFi network, at this time, the mobile device can choose to directly access a wireless access point.
  • the indirect networking mode may include the manner in which the first user equipment 1 indirectly uses the network of the target user equipment 2 to implement networking, where the target user equipment 2 may serve as the first user of the history. The device implements the current networking status by accessing other target user devices.
  • the target user equipment 2 directly accesses a certain wireless network, and the target user equipment 2 can initiate a connection request by establishing a connection request to a wireless AP or a wireless router corresponding to the wireless network.
  • the first user equipment 1 establishes a short-distance communication connection with the target user equipment 2, and the first user equipment 1 realizes its own networking needs by using the network of the target user equipment 2, for example,
  • the first user equipment 1 sends the network access request to the target user equipment 2, and then the target user equipment 2 sends the network access request to the corresponding network device, and the communication line forwarded to the network device is the target user equipment 2.
  • the reply information from other devices such as the network device, or the access request, is also sent to the target user equipment 2, and then forwarded by the target user equipment 2 to the A user device 1.
  • the first user equipment 1 having the network connection requirement can determine the target user equipment 2 in the network connection state from the obtained one or more second user equipments, and the implementation is based on the target user equipment 2
  • the short-range communication connection accesses the network connected to the target user equipment 2.
  • the first user equipment 1 in a certain area does not have to directly connect to a network central node, such as a general wireless access point, but can establish a close range with other target user equipments 2 that have already implemented networking.
  • the communication connection indirectly, achieves the purpose of accessing the network connected to the target user equipment 2, and therefore, the number of optional ways for the first user equipment 1 to access the network is increased, and at the same time, the first user equipment 1 that implements networking may also serve as the other
  • the target user equipment 2 of the network user equipment is required to be connected. Therefore, the application can effectively alleviate the connection pressure of the network central node in the corresponding area, such as the user equipment of the wireless access point; in addition, even if the first user equipment 1 is not In the coverage of the network to which the target user equipment 2 is connected, as long as it can establish a close-range communication connection with the target user equipment 1, the indirect access to the network to which the target user equipment 2 is connected can be implemented by the present application.
  • the total number of mobile devices that can actually access the wireless network is significantly increased in the corresponding area; and the coverage of the actual wireless network is significantly expanded;
  • the pressure of the network center node in the area and can better meet the network connection needs of more users, and solve the dilemma of no network available.
  • concentration of the user equipment in the corresponding area is higher and the user network connection demand is larger, the above various beneficial effects of the present application will become more prominent.
  • the first user equipment 1 further includes a fourth device (not shown), where the fourth device may detect a network connection quality currently corresponding to the first user equipment 1; if the network connection quality is If the network connection quality threshold is smaller than the preset network connection quality, the matching target user equipment is replaced; and the network connected to the replaced target user equipment is accessed based on the short-distance communication connection with the replaced target user equipment.
  • the fourth device can replace the matching target user equipment 2 based on its current network connection quality, for example, if the network connection If the quality is less than the preset network connection quality threshold, the network communication line is replaced.
  • the corresponding network connection quality threshold may be set based on different types of network connection quality, such as, but not limited to, network signal strength, network connection speed, network security information, and the like; It is also possible to set a network connection quality threshold corresponding to the quality of the integrated network connection.
  • the target user equipment 2 further includes a sixth device (not shown), and the sixth device is in a network connection state, and the target user equipment 2 can periodically broadcast its frame to be correspondingly The first user device 1 scans it.
  • each of the second user equipments in the network connection state may also broadcast a frame, where the target user equipment 2 is included in each of the second user equipments.
  • the first user equipment 1 scans, and based on this, the proportion of the plurality of second user equipments scanned by the first user equipment 1 and actually connected to the network equipment can be increased, thereby improving the first user equipment 1 Network success rate.
  • the target user equipment 2 further includes a seventh device (not shown), and the seventh device may stop broadcasting the frame corresponding to the target user equipment 2 when at least one of the following is satisfied: First, the total amount of the first user equipment 1 currently matched by the target user equipment 2 is greater than a preset number of equipment thresholds. In an implementation, the target user equipment 2 can be matched at the same time, that is, the number of devices that are forwarded at the same time, that is, the target user equipment 2 can be set based on the pre-deployed forwarding module in the target user equipment 2 The total amount of the currently matched first user equipment 1 is capped.
  • the preset device number threshold may be any value less than or equal to the upper limit of the total amount, and the purpose of the setting is to ensure the network connection quality of the target user equipment 2 and the corresponding first user equipment 1 .
  • the number of networking levels corresponding to the target user equipment 2 is greater than a preset indirect networking level threshold. In the actual application scenario, the number of networking levels between the user equipments is set.
  • the target user equipment 2 is directly connected to the network, it is a single layer network connection; for example, if the target user equipment 2 is connected The network of the target user equipment 3, and the target user equipment 3 is directly connected to the network, the target user equipment 2 is a Layer 2 network, corresponding to one-time forwarding; and so on, the device indirect network level threshold is N layer That is, the maximum connection level of the target user equipment 2 does not exceed the N layer, and corresponds to forwarding N-1 times.
  • the target user equipment 2 may stop broadcasting the frame corresponding to the target user equipment 2, so that the first user equipment 1 cannot scan the target user equipment 2. Further, in an implementation manner, if one or more first user equipments 1 that are matched by the target user equipment 2 are disconnected, the target user equipment 2 may reply to broadcast its corresponding frame, so that it can be used by other seconds again.
  • the frame broadcast by the second user equipment may be a presence frame, where the frame includes the identification information of the second user equipment, and is used by other devices, such as the first user equipment 1 to scan. Find.
  • the application further provides a centerless network access system, where the system includes: one or more of the first user equipment, and one or more corresponding second user equipments Or one or more of the first user equipment, and one or more of the target user equipment.
  • the system includes one or more pairs
  • the second user equipment should be at least one of the second user equipments directly connected to the corresponding network.
  • the network corresponding to the direct connection includes a conventional online access mode.
  • the second user equipment can directly access the mobile communication network that matches itself, such as a 3G or 4G network.
  • the second user equipment can directly access the network.
  • a wireless local area network such as a WiFi network, at this time, the second user equipment can choose to directly access a wireless access point.
  • FIG. 4 shows a system diagram for performing network access in accordance with a preferred embodiment of the present application.
  • the system includes a first user equipment 1 and a target user equipment 2, wherein the first user equipment 1 includes a first device 31', a second device 32', and a third device 33'; the target user equipment 2 includes a fifth device 41'.
  • the first device 31' may determine one or more second user devices corresponding to the first user device 1 by a scanning operation, wherein the first user device 1 performs the scanning operation based on a short-range communication protocol; the second device 32' may determine a target user equipment 2 from the one or more second user equipments, wherein the target user equipment 2 is in a network connection state; the third device 33' may be based on proximity to the target user equipment 2 a communication connection, the network access request of the first user equipment 1 is sent to the target user equipment 2, and the network access request is sent to the corresponding network equipment through the network corresponding to the target user equipment 2;
  • the fifth device 41' receives a network access request of the first user equipment 1 based on a short-range communication connection with the first user equipment 1, and the network access request is obtained through a network corresponding to the target user equipment 2.
  • Sending to the corresponding network device, where the first device 31' and the second device 32' are identical or basic to the first device 31 and the second device 32 in FIG. The same, will not be
  • the target user equipment 2 directly accesses a certain wireless network, and the target user equipment 2 may initiate a connection request to a wireless AP or a wireless router corresponding to the wireless network to establish a connection request. Its corresponding connection.
  • the first user equipment 1 may send the network access request to the target user equipment 2 first, and then the target user equipment 2 sends the network access request to the corresponding network device, and the communication line forwarded to the network device is The network of the target user equipment 2.
  • the target user equipment 2 may forward the network access request (NAT) of the first user equipment 1 to the network access channel of the first user equipment 1 to be sent to the corresponding network device; further, the target The user equipment 2 can also return the network communication reply content received from the network device itself.
  • the target user equipment 1 is a method for sending or receiving a network request through the target user equipment 2. Indirect access to the wireless access point is achieved.
  • a forwarding module may be pre-deployed in the target user equipment 2 to implement a function for requesting the target user equipment 2, for example, a gateway is deployed to implement the NAT function.
  • the device quantity information that the target user equipment 2 can implement forwarding at the same time may also be set based on the forwarding module.
  • the target user equipment 2 may also be indirectly connected to a certain wireless network.
  • the target user equipment 2 implements networking by accessing the target user equipment 3, where the target user equipment 3 is implemented. Directly connecting to a wireless access point, at this time, the network access request of the first user equipment 1 is first sent to the target user equipment 2, and then the target user equipment 2 bases the network access request on the network to which it is connected. Forward to the corresponding network device.
  • the first user equipment 1 may be matched to the directly connected target user equipment 2 to reduce the information forwarding communication line when the first user equipment 1 is indirectly connected to the network. Quantity.
  • the application scenario in order to achieve a significant increase in the total number of mobile devices that can actually access the wireless network in the corresponding area, and the coverage of the actual wireless network is significantly expanded, and the network resources are excellent, the application scenario can be implemented.
  • the number of the networking levels between the user equipments is set.
  • the number of network layers of the first user equipment 1 is not more than two, that is, no more than one forwarding
  • the target user equipment 2 is The network layer level is not more than one layer of network connection, that is, the target user equipment 2 can only be directly connected to the network; and so on, the number of network layer levels of the first user equipment 1 can be set to not exceed the N layer network connection, that is, no If the forwarding is more than N-1 times, the number of networking layers of the target user equipment 2 does not exceed N-1 layer networking, that is, no more than N-2 forwarding.
  • the fifth device 41' may receive a network access request of the first user equipment 1 based on a short-range communication connection with the first user equipment 1; then, the fifth device And determining, by the network access request, whether the first user equipment 1 is an authorized access device; if the first user equipment 1 is an authorized access device, the fifth device 41 ′ passes the target user equipment. 2 corresponding network, sending the network access request to the corresponding Network equipment. If the first user equipment 1 is an unauthorized access device, the indirect connection of the first user equipment 1 is rejected, that is, the forwarding operation of the network access request is not performed.
  • the first user equipment 1 as an authorized access device may add authorization information, such as string information for verifying authorization, in the corresponding network access request, and may identify whether it is authorized access. Device identification information of the device, etc.
  • the application further provides a user equipment for performing network access, where the user equipment is configured to perform at least one of the following:
  • the network connected to the user is shared by one or more first user equipments in the corresponding area, where the target user equipment belongs to the second user equipment;
  • the corresponding one or more first user equipments in the corresponding area are obtained by a scanning operation, wherein the second user equipment is in a network connection state.
  • the application further provides a centerless ad hoc network system, where the system includes: a plurality of user equipments in a corresponding area, wherein some or all of the user equipments are each based on the Networking of other user equipments in the area to implement network connectivity;
  • Each user equipment in the corresponding area meets at least one of the following:
  • the target user equipment to share the network connected to the first user equipment in the system, wherein the target user equipment belongs to the second user equipment;
  • the second user equipment being used by the corresponding one or more first user equipments in the system to obtain by using a scanning operation, wherein the second user equipment is in a network connection state.
  • the first user equipment, the target user equipment, and the second user equipment may be referred to as the first user equipment 1, the target user equipment 2, and the corresponding second user equipment.
  • the multiple user equipments in the corresponding area may automatically form a wireless local area network of a certain size.
  • each user equipment may be a provider of network resources, that is, the user is connected. Network share to one or more first users in the system The device is used; at the same time, it can also be a demander of the network resource, that is, accessing the network connected by the target user equipment through a short-distance communication connection with the corresponding target user equipment.
  • the first user equipment does not need to directly connect to the network central node, such as a general wireless access point, but can establish an indirect communication connection with other target user equipments that have already implemented networking, and indirectly realize access.
  • the application can effectively alleviate the connection pressure of the user equipment centralized in the network central node in the corresponding area.
  • the indirect access to the target user equipment can be implemented by the present application. Connected network. Therefore, compared with the existing network access solution, the total number of mobile devices that can actually access the wireless network is significantly increased in the ad hoc network of the present application; and the coverage of the actual wireless network corresponding to the ad hoc network is significantly expanded. At the same time, it can effectively alleviate the pressure of network central nodes in the corresponding areas; and can better meet the network connection needs of more users and solve the dilemma of no network available. Further, as the concentration of the user equipment in the corresponding area is higher and the user network connection demand is larger, the above various beneficial effects of the present application will become more prominent.
  • FIG. 5 shows an example of a scenario for performing network access according to another preferred embodiment of the present application.
  • the mobile device 1, 2, 3, and 4 are corresponding to the user equipment in the present application, and may correspond to the first user equipment, the second user equipment, or the target user equipment.
  • the mobile device 1 is directly connected to the Internet through the free WiFi.
  • the mobile device 2 and the mobile device 3 can establish a short-distance communication connection with the mobile device 1 to indirectly access the free WiFi network corresponding to the mobile device 1 to implement free Internet access.
  • the mobile device 2 that has been connected to the Internet can be scanned and determined by the mobile device 4 as the target user device, so that the mobile device 4 indirectly accesses the free WiFi network connected to the mobile device 1 based on the mobile device 2.
  • individual mobile devices can discover each other.
  • a mobile device can scan a mobile device that can provide a network, such as a target user device; after the mobile device is connected to the network, it can be scanned by other mobile devices as a new mobile device providing the network.
  • the mobile device 2 provides a network for the mobile device 4 after the Internet is provided by the mobile device 1 providing the network.
  • the mobile devices 1, 2, 3 can be scanned as their corresponding second user device, and finally the mobile device 4 can select the mobile device 2 as its target user device. Networking is achieved through the network of mobile device 2.
  • the mobile devices 1, 2, 3, 4 construct a centerless ad hoc network system.
  • FIG. 6 shows a comparison of technical effects of the present application and the existing network access technology. Take the Wi-Fi network as an example.
  • the traditional access WiFi network solution is limited by the maximum number of devices that can be accepted by the router and the network coverage. It can meet the Internet access requirements of up to 30 users, and the network coverage area can reach up to 100. Square meters.
  • the WiFi network solution of the present application the total number of users who can actually access the Internet and the coverage of the actual wireless network will significantly exceed the limitations of the router itself. For example, it can meet the Internet needs of more than 100 users, and the network coverage exceeds 500 square meters.
  • the traditional access WiFi network solution can multiply the maximum number of devices that can be accepted by the router and the upper limit of the network coverage based on the number of routers.
  • the connected network user equipment corresponding to each user in the application can provide a way for the user equipment of other demand network to access the network, the actual connection is compared with the traditional multiple routers.
  • the number of people will be multiplied by N times on the basis of the router multiple; at the same time, even if the first user equipment 1 is not within the coverage of the network to which the target user equipment 2 is connected, as long as it can establish a close distance with the target user equipment 1
  • the communication connection can achieve the purpose of indirectly accessing the network connected to the target user equipment 2 by using the present application. Therefore, the coverage of the actual wireless network of the present application is multiplied by M times on the basis of the multiple of the router. N and M will change according to the actual application scenario. Therefore, when there are multiple routers in the corresponding area, based on the access scheme of the present application, the total number of users who can actually access the Internet and the coverage of the actual wireless network will more significantly exceed the limitations of the router itself.
  • the total number of mobile devices that can actually access the wireless network is significantly increased in the corresponding area; and the coverage of the actual wireless network is significantly expanded;
  • the pressure of the network center node in the area and can better meet the network connection needs of more users, and solve the dilemma of no network available.

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  • Computer Networks & Wireless Communication (AREA)
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  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un dispositif et un procédé d'accès au réseau. Le procédé consiste : à acquérir au moins un second dispositif d'utilisateur à proximité d'un premier dispositif d'utilisateur, les seconds dispositifs d'utilisateur et le premier dispositif d'utilisateur utilisant le même protocole de communication sans fil à courte portée ; à déterminer un dispositif d'utilisateur cible à partir desdits seconds dispositifs d'utilisateur afin d'établir une connexion de communication à courte portée avec le dispositif d'utilisateur cible, le dispositif d'utilisateur cible étant dans un état connecté au réseau ; et sur la base de la connexion de communication à courte portée avec le dispositif d'utilisateur cible, à accéder au réseau auquel le dispositif d'utilisateur cible est connecté. Par comparaison avec l'état de la technique, dans la présente invention, dans une région correspondante, le nombre total de dispositifs mobiles qui peuvent réellement accéder à un réseau sans fil augmente ; et la couverture d'utilisation réelle du réseau sans fil est sensiblement étendue. De plus, la présente invention peut efficacement soulager la pression du nœud central de réseau à l'intérieur de la région correspondante, et peut également mieux satisfaire les demandes de réseautage de plus d'utilisateurs, résolvant le problème selon lequel l'utilisateur n'a pas de réseau disponible.
PCT/CN2017/113457 2017-01-10 2017-11-29 Dispositif et procédé d'accès au réseau Ceased WO2018130021A1 (fr)

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