WO2015176270A1 - Network device and resource allocation method - Google Patents

Abstract

Disclosed are a network device and a resource allocation method. In the present invention, after a node device in a first PLC network receives common dormancy time information sent by a node device in a second PLC network, information is transmitted by using a timeslot that is corresponding to the common dormancy time and is scheduled by the second PLC network, so that the problem is solved that a time resource corresponding to the second PLC network is idle and cannot be used when the node device in the second PLC network enters dormancy, thereby improving the utilization rate of the time resource.

Description

 Network equipment and resource allocation method

 The present invention relates to the field of communications technologies, and in particular, to a network device and a resource allocation method.

Background technique

 At present, the network scheme of power line communication (English: Power Line Communication, abbreviation: PLC) and wireless home network technology will become one of the main technical solutions for achieving full coverage of home networks, such as IEEE 1905.1 standard and Inter-MAC technology. Among the hybrid network solutions, PLC technologies mainly include IEEE 1901, ITU-T G.hn, Homeplug AV/AV2 and other technologies or standards. The PLC network is generally a centralized management network with network management equipment. For example, in the IEEE1901 standard, the 1901-FFT In-home PLC network is called the Basic Service Set (BSS). BSS includes a basic service set manager (English: Basic Service Set Manager, abbreviation: BM); in ITU-T Ghn, the Ghn network is called Ghn domain (English: Ghn Domain), and each domain has a domain master node ( English: Domain Master, abbreviation: DM) and several other common nodes. Among them, BM or DM can not only be used as an ordinary PLC device, but also manage the entire network, including network establishment, site access and authorization, bandwidth allocation and resource scheduling of the entire network, coordination with multiple adjacent networks, Network power management, etc.

 In practical applications, there may be multiple PLC systems sharing power line transmission media in a home-home PLC network. The various PLC systems may include an IEEE 1901-FFT In-home system, an IEEE 1901-Wavelet In-home system, and an ITU- T Ghn In-home system, IEEE 1901 access (English: Access) system, etc. Since different systems may use the same transmission medium for transmission, a coexistence mechanism is needed to prevent multiple types of PLC systems from interfering with each other at work.

 To this end, the IEEE 1901 standard and the ITU-T G. cx standard establish an Inter System Protocol (ISP) coexistence protocol that supports IEEE 1901 -FFT In-home systems, IEEE 1901 -Wavelet In Coexistence between systems such as -home system, ITU-T Ghn In-home system, and IEEE 1901 Access system.

The following describes how various systems share power line transmission media based on ISP coexistence protocols. For example, the ISP coexistence protocol supports the coexistence of the IEEE 1901-FFT In-home system, the IEEE 1901-Wavelet In-home system, the Ghn system, and the IEEE 1901-Access system. Among them, each system corresponds to one week Periodic ISP window, each ISP window has 2 ISP domains (English: field ). Each system can send an ISP signal through the first ISP field of the corresponding ISP window, and send an ISP signal through a second ISP window corresponding to other systems, for requesting the system to perform resynchronization, frequency resource division, and the like.

 As shown in Figure 1, the ISP windows corresponding to each system can be divided into three time division multiplexing units (English: Time Domain Multiplex Unit, abbreviated: TDMU). Each TDMU has two AC periods, each TDMU. It can also be divided into 8 Time Domain Multiplex Slots (TDMS). Each PLC system divides the time domain resources according to the type of system that is currently detected, to avoid interference between systems. The division of resources is divided into eight TDMS cycles. ISP coexistence protocols specify different resource allocation methods depending on the type of system that exists.

 When the hybrid home network includes two different types of PLC networks, different PLC networks can coexist based on the ISP coexistence protocol, and communication can also be implemented through IEEE 1905.1 or 11^1"-^1. As shown in Figure 2, the Ghn domain and the IEEE 1901 basic service set can coexist through the ISP coexistence protocol, and can communicate through the AL layer using the network of other technical modules of the two IEEE 1905.1 devices in the figure, such as a Wi-Fi network. Or Ethernet.

 In the above application scenario, for two PLC networks, because the resource partitioning is fixed and cannot be flexibly allocated, when a device or node in a system enters the sleep mode, the resources allocated to the system may be idle and cannot be used by others. Network use, resulting in waste of resources.

Summary of the invention

 It is an object of the present invention to provide a network device and a resource allocation method. The present invention enables the node device in the first PLC network to use the time slot allocated by the second PLC network corresponding to the common sleep time after receiving the common sleep time information sent by the node device in the second PLC network. The information transmission solves the problem that when the node device in the second PLC network enters sleep, the time resource corresponding to the second PLC network is idle and cannot be utilized.

 The first aspect of the present invention provides a first network device, including:

a receiving unit, configured to receive public sleep time information sent by the second network device, where the first network device is a master node device of a first power line communication PLC network based on an intersystem protocol ISP coexistence protocol, and the second network is The device is a node device of the second PLC network supporting the ISP coexistence protocol, the common sleep time information is used to indicate a common sleep time of the node device of the second PLC network, the first PLC network and the first The second PLC network belongs to different types of PLC networks; a processing unit, configured to determine, according to the common sleep time information received by the receiving unit, whether the common sleep time includes a time resource used by the second PLC network according to an ISP coexistence protocol;

 a scheduling unit, configured to: if the processing unit determines that the common sleep time includes a time resource for use by the second PLC network based on an ISP coexistence protocol, partitioning the public sleep time according to an ISP coexistence protocol A time resource schedule for use by the second PLC network is used by devices in the first PLC network.

 With reference to the first aspect of the present invention, in a first possible implementation manner of the first aspect, the first network device further includes:

After the time slot of the PLC network scheduling, sending resource scheduling information to other node devices in the first PLC network; the resource scheduling information is used to indicate that the node device in the first PLC network can use the common sleep time Information transmission is performed corresponding to time slots scheduled for the second PLC network.

 With reference to the first aspect of the present invention or the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the period of the common sleep time of the node device of the second PLC network is equal to an integer multiple The TDMU duration or integer multiple of the TDMS duration.

 With reference to the second possible implementation manner of the first aspect of the present invention, in a third possible implementation manner of the first aspect, the common sleep time information includes a sequence number of the TDMU corresponding to the common sleep time, and the common sleep time The serial number of the corresponding TDMS.

 In conjunction with the third possible implementation manner of the first aspect of the present invention, in the fourth possible implementation manner of the first aspect, the common sleep time information further includes a period of the common sleep time.

 With reference to the first aspect of the present invention or any one of the first to fourth possible implementation manners of the first aspect, in a fifth possible implementation manner of the first aspect, the common sleep time of the node device of the second PLC network is a common sleep time of the node device in the second PLC network that is interfered by the first PLC network.

With reference to the first aspect of the present invention or any one of the first to fourth possible implementation manners of the first aspect, in a sixth possible implementation manner of the first aspect, the common sleep time of the node device of the second PLC network is a common sleep time of all node devices in the second PLC network. A second aspect of the present invention provides a third network device, including:

 a receiving unit, configured to receive resource scheduling information sent by the first network device; the first network device and the third network device are node devices of a first power line communication PLC network based on an intersystem protocol ISP coexistence protocol, where a network device is configured to receive public sleep time information sent by the second network device, where the common sleep time information is used to indicate a common sleep time of the node device of the second PLC network, the first PLC network and the first The second PLC network belongs to different types of networks; and according to the public sleep time information, it is determined whether the common sleep time corresponds to a time slot scheduled for the second PLC network, and if so, to the first PLC network The other node device is configured to send the resource scheduling information, where the resource scheduling information is used to indicate that the node device in the first PLC network can use the common sleep time to correspond to a time slot scheduled for the second PLC network. Performing information transmission; the second network device is a node of a second PLC network supporting the ISP coexistence protocol ;

 And a scheduling unit, configured to perform information transmission according to the time slot scheduled by the second PLC network corresponding to the resource scheduling information received by the receiving unit.

 A third aspect of the present invention provides a second network device, including:

 An acquiring unit, configured to acquire sleep scheduling information of a node device in a second power line communication PLC network based on an intersystem protocol ISP coexistence protocol; the second network device is a node device of the second PLC network;

 a generating unit, configured to determine, according to the dormant scheduling information, a common sleep time of the node device of the second PLC network, to generate sleep time information; the common sleep time information is used to represent a node device of the second PLC network Public sleep time;

 a sending unit, configured to send the common sleep time information to a first network device, where the first network device is a node device of a first PLC network that supports the ISP coexistence protocol, the first PLC network and the first The two PLC networks belong to different types of networks.

 With reference to the third aspect of the present invention, in a first possible implementation manner of the third aspect, the acquiring unit is configured to obtain sleep scheduling information of a node device in a second PLC network that is based on an ISP coexistence protocol, and includes:

 And used for acquiring sleep scheduling information of all node devices in the second PLC network.

With reference to the third aspect of the present invention, in a second possible implementation manner of the third aspect, the acquiring The element is used to obtain the dormancy scheduling information of the node device in the second PLC network based on the ISP coexistence protocol, and includes:

 And means for acquiring sleep schedule information of the node device in the second PLC network that is interfered by the first PLC network.

 With reference to the third aspect of the present invention, the first or second possible implementation manner of the third aspect, in a third possible implementation manner of the third aspect, the period of the common sleep time of the node device in the second PLC network The TDMS duration equal to an integer multiple of the TDMU duration or integer multiple.

 With reference to the third aspect of the present invention or any one of the first to the third possible implementation manners of the third aspect, in the fourth possible implementation manner of the third aspect, the common sleep time information includes the public sleep time corresponding to The serial number of the TDMU and the serial number of the TDMS corresponding to the common sleep time.

 With reference to the fourth possible implementation manner of the third aspect of the present invention, in a fifth possible implementation manner of the third aspect, the common sleep time information further includes a period of the common sleep time.

 A fourth aspect of the present invention provides a resource allocation method, including:

 Receiving, by the first network device, public sleep time information sent by the second network device, where the first network device is a master node device of a first power line communication PLC network supporting an intersystem protocol ISP coexistence protocol, and the second network device The master sleep time information is used to represent the common sleep time of the node of the second PLC network, the first PLC network and the second PLC networks belong to different types of PLC networks;

 Determining, according to the common sleep time information, whether the common sleep time includes a time resource for use by the second PLC network according to an ISP coexistence protocol;

 If yes, the first network device schedules time resources for use by the second PLC network based on the ISP coexistence protocol included in the common sleep time to be used by devices in the first PLC network.

 With reference to the fourth aspect of the present invention, in a first possible implementation manner of the fourth aspect, the first network device determines, according to the common sleep time information, whether the common sleep time corresponds to the second PLC After the time slot of the network scheduling, the method further includes:

If the time resource for use by the second PLC network is divided based on the ISP coexistence protocol, the first network device sends resource scheduling information to the device of the first PLC network; The degree information is used to indicate that the device of the first PLC network can use the time resource for the second PLC network based on the ISP coexistence protocol included in the common sleep time to perform information transmission.

 With reference to the fourth aspect of the present invention or the first possible implementation manner of the fourth aspect, in a second possible implementation manner of the fourth aspect, the period of the common sleep time of the device of the second PLC network is equal to an integral multiple TDMU duration or integer multiple of TDMS duration.

 With reference to the second possible implementation manner of the fourth aspect of the present invention, in a third possible implementation manner of the fourth aspect, the common sleep time information includes a location of the common sleep time in a time domain, the common sleep The position of the time in the time domain uses the serial number of the corresponding TDMU and the serial number of the corresponding TDMS.

 With reference to the third possible implementation manner of the fourth aspect of the present invention, in a fourth possible implementation manner of the fourth aspect, the common sleep time information further includes an interval period or a beacon between adjacent common sleep times The number of cycles is expressed.

 With reference to the fourth aspect of the present invention or any one of the first to fourth possible implementation manners of the fourth aspect, in a fifth possible implementation manner of the fourth aspect, the common sleep time of the node device of the second PLC network is a common sleep time of the node device in the second PLC network that is interfered by the first PLC network.

 With reference to the fourth aspect of the present invention or any one of the first to fourth possible implementation manners of the fourth aspect, in a sixth possible implementation manner of the fourth aspect, the common sleep time of the node device of the second PLC network is a common sleep time of all node devices in the second PLC network.

 A fifth aspect of the present invention provides a resource allocation method, including:

The third network device receives resource scheduling information sent by the first network device; the first network device is a primary node device of a first power line communication PLC network supporting an ISP coexistence protocol, and the third network device is a first device supporting an ISP coexistence protocol The device of the power line communication PLC network; the first network device is configured to receive the common sleep time information sent by the second network device, where the common sleep time information is used to indicate a common sleep time of the node device of the second PLC network, The first PLC network and the second PLC network belong to different types of networks; and according to the common sleep time information, determine the Whether the common sleep time corresponds to a time slot scheduled for the second PLC network, and if so, transmitting the resource scheduling information to other node devices in the first PLC network; the resource scheduling information is used to indicate the first A node device in a PLC network can use the common sleep time to transmit information corresponding to a time slot scheduled by the second PLC network; the second network device is a second PLC network supporting the ISP coexistence protocol Node device

 And transmitting, by the third network device, the information used by the second PLC network to perform time slot transmission according to the received resource scheduling information.

 A sixth aspect of the present invention provides a resource allocation method, including:

 The second network device obtains the dormant scheduling information of the device in the PLC network in the second power line communication supporting the inter-system protocol ISP coexistence protocol; wherein the second network device is the master node device of the second PLC network;

 Determining, by the second network device, the common sleep time of the node device of the second PLC network according to the dormant scheduling information, generating common sleep time information; the common sleep time information is used to represent the second PLC network The public sleep time of the device;

 Transmitting, by the second network device, the common sleep time information to a first network device, where the first network device is a primary node of a first PLC network supporting the ISP coexistence protocol, the first PLC network and the The second PLC network belongs to different types of PLC networks.

 With reference to the sixth aspect of the present invention, in a first possible implementation manner of the sixth aspect, the second network device obtains dormancy scheduling information of the node device in the second PLC network that is based on the ISP coexistence protocol, and includes:

 The second network device acquires sleep scheduling information of all devices in the second PLC network. With reference to the first possible implementation manner of the sixth aspect of the present invention, in a second possible implementation manner of the sixth aspect, the second network device acquires dormancy scheduling information of the node device in the second PLC network based on the ISP coexistence protocol , including:

 The second network device acquires sleep scheduling information of the node device in the second PLC network that is interfered by the first PLC network.

With reference to the sixth aspect of the present invention, the first or second possible implementation manner of the sixth aspect, in a third possible implementation manner of the sixth aspect, the common sleep time of the node device in the second PLC network The period duration is equal to an integer multiple of the TDMU duration or an integer multiple of the TDMS duration.

 With reference to the sixth aspect of the present invention, or any one of the first to the third possible implementation manners of the sixth aspect, in the fourth possible implementation manner of the sixth aspect, the common sleep time information includes that the common sleep time is in time The location on the domain, the location of the common sleep time in the time domain is represented by the sequence number of the corresponding TDMU and the sequence number of the corresponding TDMS.

 With reference to the fourth possible implementation manner of the sixth aspect of the present invention, in a fifth possible implementation manner of the sixth aspect, the common sleep time information further includes an interval time representation between adjacent common sleep times.

 A seventh aspect of the present invention provides a resource allocation method, including:

 The second network device acquires the common sleep time information of the second PLC network, where the second network device is the master node device of the second PLC network supporting the inter-system protocol ISP coexistence protocol, and the common sleep time information is used to indicate the a common sleep time of a node of the second PLC network;

 Determining, by the second network device, whether the common sleep time includes a time resource for use by the second PLC network according to an ISP coexistence protocol;

 If yes, the second network device sends time resource information to the first network device, where the time resource information includes time for the second PLC network based on the ISP coexistence protocol included in the common sleep time. The resource, the first network device receives the time resource information sent by the second network device, and, according to the time resource information, divide the second sleep time based on the ISP coexistence protocol for the second The time resource scheduling used by the PLC network is used by the device in the first PLC network; the first network device is a master node device of the first power line communication PLC network supporting the ISP coexistence protocol, the first PLC network and the The second PLC network belongs to different types of PLC networks.

 With reference to the seventh aspect of the present invention, in a first possible implementation manner of the seventh aspect, the acquiring, by the second network device, the common sleep time information of the second PLC network includes:

Obtaining, by the second network device, sleep scheduling information of the device in the second power line communication PLC network supporting the ISP coexistence protocol, where the dormant scheduling information is used to indicate a dormant scheduling time of the device in the second PLC network; Determining, according to the dormant scheduling information, the common sleep time of the device of the second PLC network, generating common sleep time information; the common sleep time information is used to represent the device of the second PLC network Public sleep time.

 With reference to the first possible implementation manner of the seventh aspect of the present invention, in a second possible implementation manner of the seventh aspect, the second network device acquires a dormant scheduling of a device in a second PLC network that supports the ISP coexistence protocol Information, including:

 The second network device acquires sleep scheduling information of all devices in the second PLC network. With reference to the first possible implementation manner of the seventh aspect of the present invention, in a third possible implementation manner of the seventh aspect, the second network device acquires a dormant scheduling of the device in the second PLC network that supports the ISP coexistence protocol Information, including:

 The second network device acquires sleep scheduling information of the node device in the second PLC network that is interfered by the first PLC network.

 With reference to the first to third aspects of the seventh aspect of the present invention, in a possible implementation manner, in a fourth possible implementation manner of the seventh aspect, the period of the common sleep time of the node device in the second PLC network is equal to Integer multiple of the TDMU duration or integer multiple of the TDMS duration.

 With reference to any one of the first to fourth possible implementations of the seventh aspect of the present invention, in a fifth possible implementation manner of the seventh aspect, the common sleep time information includes a location of the common sleep time in a time domain. The location of the public sleep time in the time domain is represented by the sequence number of the corresponding TDMU and the sequence number of the corresponding TDMS.

 With reference to the fifth possible implementation manner of the seventh aspect of the present invention, in the sixth possible implementation manner of the seventh aspect, the common sleep time information further includes an interval time period representation between adjacent common sleep times.

 Since the present invention can solve the problem that when the node device in the second PLC network enters sleep, the time resource corresponding to the second PLC network is idle and cannot be utilized, thereby improving the utilization of time resources.

DRAWINGS

Figure 1 is a schematic diagram of a time slot; 2 is a schematic diagram of a mixed home network application scenario;

 3 is a schematic structural diagram of a first network device provided by the present invention;

 4 is a schematic structural diagram of a third network device provided by the present invention;

 5 is a schematic structural diagram of a second network device provided by the present invention;

 6 is a schematic structural diagram of another second network device provided by the present invention;

 7 is a schematic flow chart of a resource allocation method provided by the present invention;

 8 is a schematic flow chart of another resource allocation method provided by the present invention;

 9 is a schematic flow chart of still another resource allocation method provided by the present invention;

 Figure 10 is a schematic diagram of a home network;

 Figure 11 is a schematic diagram of a sleep period scheduling situation;

 Figure 12 is a schematic diagram of another sleep period scheduling situation;

 Figure 13 is a schematic diagram of another home network;

 Figure 14 is a schematic diagram of another home network;

 Figure 15 is a schematic diagram of two types of networks interfering with each other;

 16 is a schematic flow chart of still another resource allocation method provided by the present invention.

detailed description

 The present invention will be described in detail below by way of examples of the invention.

 As shown in FIG. 3, an embodiment of the present invention provides a first network device 101, including:

 The receiving unit 102 is configured to receive the common sleep time information sent by the second network device, where the first network device 101 is a master node device of the first power line communication PLC network based on an intersystem protocol ISP coexistence protocol, where The second network device is a master node device of the second PLC network supporting the ISP coexistence protocol, and the common sleep time information is used to indicate a common sleep time of the node device of the second PLC network, the first PLC network and The second PLC network belongs to a different type of network;

The processing unit 103 is configured to determine, according to the common sleep time information received by the receiving unit 102, whether the common sleep time corresponds to a time slot scheduled by the second PLC network; a gap, using the common sleep time corresponding to the second PLC The time slot of the network scheduling performs information transmission.

 The first network device 101 provided by the embodiment of the present invention may be a master node device in the first PLC network, such as a DM device or a BM device, or may be another node device capable of performing information transmission with a node device of the second PLC network.

 The first network device provided by the embodiment of the present invention, after receiving the common sleep time information sent by the second network device, uses the time slot allocated by the second PLC network corresponding to the common sleep time to perform information transmission, and solves the problem. When the node device in the second PLC network enters sleep, the time resource corresponding to the second PLC network is idle and cannot be utilized, thereby improving the utilization of time resources.

 As shown in FIG. 4, the first network device 101 provided by the embodiment of the present invention may further include: after the time slot scheduled by the second PLC network, sending resource scheduling to other node devices in the first PLC network. The resource scheduling information is used to indicate that the node device in the first PLC network can use the common sleep time to perform information transmission corresponding to a time slot scheduled by the second PLC network.

 After receiving the resource scheduling information, the other node devices in the first PLC network may use the common sleep time to perform information corresponding to time slots scheduled by the second PLC network according to the resource scheduling information. transmission.

 Optionally, the period of the common sleep time of the node device of the second PLC network is equal to an integer multiple of the TDMU duration or an integer multiple of the TDMS duration. Set. Optionally, the common sleep time information includes a sequence number of the TDMU corresponding to the common sleep time and a sequence number of the TDMS corresponding to the common sleep time. The start position of the public sleep time in the time domain can be determined by the sequence number of the TDMU corresponding to the common sleep time and the sequence number of the TDMS corresponding to the common sleep time.

Optionally, the public sleep time information further includes a number of cycles of the common sleep time. The common sleep time of each period may be determined by the sequence number of the TDMU corresponding to the common sleep time and the sequence number of the TDMS corresponding to the common sleep time, combined with the number of cycles of the common sleep time. Although the first PLC network and the second PLC network work simultaneously on the same power line medium and coexist based on the ISP coexistence protocol, this does not mean that all the node devices in the two networks will interfere with each other, and the two networks may still There are node devices that are undisturbed. Therefore, the common sleep time of the node device interfered by the first PLC network in the second PLC network is a time that can be called by the node device of the first PLC network, and the common sleep of the node device of the second PLC network The time includes a common sleep time of the node devices in the second PLC network that are interfered by the first PLC network.

 Of course, the common sleep time of the node device of the second PLC network may also be the common sleep time of all the node devices in the second PLC network.

 As shown in FIG. 5, an embodiment of the present invention provides a third network device 201, including:

 The receiving unit 202 is configured to receive resource scheduling information sent by the first network device, where the first network device and the third network device are node devices of a first power line communication PLC network based on an intersystem protocol ISP coexistence protocol, The first network device is configured to receive common sleep time information sent by the second network device, where the common sleep time information is used to indicate a common sleep time of the node device of the second PLC network, the first PLC network and the The second PLC network belongs to a different type of network; and, according to the common sleep time information, determining whether the common sleep time corresponds to a time slot scheduled for the second PLC network, and if so, to the first PLC network The other node device sends the resource scheduling information; the resource scheduling information is used to indicate that the node device in the first PLC network can use the common sleep time to correspond to a time slot scheduled for the second PLC network. Information transmission; the second network device is a node device of a second PLC network supporting the ISP coexistence protocol; The scheduling unit 203 is configured to use, according to the resource scheduling information received by the receiving unit 202, information transmission for the time slot scheduled by the second PLC network corresponding to the common sleep time.

 As shown in FIG. 6, the embodiment of the present invention provides a second network device 301, including:

 The acquiring unit 302 is configured to acquire sleep scheduling information of the node device in the second power line communication PLC network based on the inter-system protocol ISP coexistence protocol; the second network device is a node device of the second PLC network;

a generating unit 303, configured to determine, according to the dormant scheduling information acquired by the acquiring unit 302, a common sleep time of the node device of the second PLC network, to generate sleep time information, where the common sleep time information is used to indicate the first The common sleep time of the node device of the second PLC network; The sending unit 304 is configured to send the common sleep time information generated by the generating unit 303 to the first network device, where the first network device is a node device of the first PLC network that supports the ISP coexistence protocol, the first The PLC network and the second PLC network belong to different types of networks.

 Optionally, the obtaining unit 302 is configured to obtain the dormancy scheduling information of the node device in the second PLC network that is based on the ISP coexistence protocol, and includes:

 And used for acquiring sleep scheduling information of all node devices in the second PLC network.

 Optionally, the obtaining unit 302 is configured to obtain the dormancy scheduling information of the node device in the second PLC network that is based on the ISP coexistence protocol, and includes:

 And means for acquiring sleep schedule information of the node device in the second PLC network that is interfered by the first PLC network.

 Optionally, the period of the common sleep time of the node device in the second PLC network is equal to an integer multiple of the TDMU duration or an integer multiple of the TDMS duration.

 Optionally, the public sleep time information includes a sequence number of the TDMU corresponding to the common sleep time and a sequence number of the TDMS corresponding to the common sleep time.

 Optionally, the public sleep time information further includes a number of cycles of the common sleep time. As shown in FIG. 7, an embodiment of the present invention provides a resource allocation method, including:

 401. The first network device receives the public sleep time information sent by the second network device.

 The first network device is a master node device of a first power line communication PLC network supporting an ISP coexistence protocol, and the second network device is a master node device of a second PLC network supporting the ISP coexistence protocol, The common sleep time information is used to indicate a common sleep time of the node of the second PLC network, and the first PLC network and the second PLC network belong to different types of PLC networks;

402. The first network device determines, according to the common sleep time information, whether the public sleep time includes a time resource used by the second PLC network according to an ISP coexistence protocol.

 If yes, go to step 403.

 403. The first network device schedules, by using the ISP coexistence protocol, the time resource allocated by the second PLC network to be used by the device in the first PLC network.

In the first PLC network, the master node device is configured to schedule time resources for devices in the first PLC network. Source, devices in the PLC network include the master node device and other devices. In step 403, the first network device acts as the master node device of the first PLC network, which may be the first network device itself and/or the first time resource for use by the second PLC network.

 The first network device in the embodiment of the present invention may be a master node device in the first PLC network, such as

DM device or BM device.

 The first network device in the embodiment of the present invention, after receiving the common sleep time information sent by the second network device, uses the ISP coexistence protocol included in the common sleep time to be used by the second PLC network. The time resource performs information transmission, and solves the problem that when the device in the second PLC network enters sleep, the time resource corresponding to the second PLC network is idle and cannot be utilized, and the utilization of time resources is improved.

 Optionally, after the first network device determines, according to the common sleep time information, whether the common sleep time includes a time resource used by the second PLC network based on an ISP coexistence protocol, the method further Includes:

 If the common sleep time includes a time resource for use by the second PLC network based on an ISP coexistence protocol, the first network device sends resource scheduling information to a device of the first PLC network; The information is used to indicate that the device of the first PLC network is capable of performing information transmission using time resources for use by the second PLC network based on the ISP coexistence protocol included in the common sleep time.

 After receiving the resource scheduling information, the other devices in the first PLC network may use, according to the resource scheduling information, the second PLC network based on the ISP coexistence protocol included in the common sleep time. Time resources used for information transfer.

 Optionally, the period of the common sleep time of the device of the second PLC network is equal to an integer multiple of the TDMU duration or an integer multiple of the TDMS duration.

 Optionally, the public sleep time information includes a location of the common sleep time in the time domain, and the location of the common sleep time in the time domain is represented by a sequence number of the corresponding TDMU and a sequence number of the corresponding TDMS.

Optionally, the public sleep time information further includes an interval between adjacent common sleep times. Media Access Control, abbreviation: MAC) The number of cycles or the number of beacon cycles.

 Optionally, the common sleep time of the device of the second PLC network is a common sleep time of the device in the second PLC network interfered by the first PLC network, or all devices in the second PLC network Public sleep time.

 As shown in FIG. 8, the embodiment of the present invention further provides a resource allocation method, including:

 501. The third network device receives resource scheduling information sent by the first network device.

 The first network device is a master node device of a first power line communication PLC network supporting an ISP coexistence protocol, and the third network device is a device of a first power line communication PLC network supporting an ISP coexistence protocol, the first network device And receiving, by the second network device, common sleep time information, where the common sleep time information is used to indicate a common sleep time of the device of the second PLC network, where the first PLC network and the second PLC network belong to Different types of networks; and determining, according to the common sleep time information, whether to include time resources for use by the second PLC network based on an ISP coexistence protocol, and if so, sending the to the devices in the first PLC network Resource scheduling information; the resource scheduling information is used to indicate a time resource used by the second PLC network based on the ISP coexistence protocol included in the common sleep time; and the second network device supports the ISP coexistence The master node device of the second PLC network of the protocol.

 502. The third network device performs, according to the received resource scheduling information, time information used by the second PLC network according to an ISP coexistence protocol included in the public sleep time.

 As shown in FIG. 9, an embodiment of the present invention provides a resource allocation method, including:

 601. The second network device acquires dormancy scheduling information of the device in the second power line communication PLC network that supports the ISP coexistence protocol. The second network device is a primary node device of the second PLC network;

 602. The second network device determines, according to the dormant scheduling information, a common sleep time of the node device of the second PLC network, and generates common sleep time information. The common sleep time information is used to represent the second PLC. The public sleep time of the devices of the network.

603. The second network device sends the public sleep time information to the first network device. The first network device is a master node device of a first power line communication PLC network supporting the ISP coexistence protocol. The first PLC network and the second PLC network belong to different types of networks.

 Optionally, the second network device acquires the dormancy scheduling information of the device in the second PLC network that supports the ISP coexistence protocol, and includes:

 The second network device acquires sleep scheduling information of all devices in the second PLC network; or, the second network device acquires sleep scheduling of devices in the second PLC network that are interfered by the first PLC network information.

 Optionally, the period of the common sleep time of the node device in the second PLC network is equal to an integer multiple of the TDMU duration or an integer multiple of the TDMS duration.

 Optionally, the public sleep time information includes a location of the common sleep time in the time domain, and the location of the common sleep time in the time domain is represented by a sequence number of the corresponding TDMU and a sequence number of the corresponding TDMS.

 Optionally, the common sleep time information further includes an interval time period representation between adjacent common sleep times.

 The present invention will be described in detail below in conjunction with specific application scenarios.

 As shown in FIG. 10, FIG. 10 shows a hybrid home network including a Ghn-based PLC network and an IEEE 1901-based PLC network, which share the power line transmission medium in the home. The two PLC networks coexist in accordance with the ISP coexistence protocol. The home network system consists of five devices, all of which are multimode devices based on the IEEE 1905.1 standard, but the underlying technology modules that the five devices can support are not identical. Among them, the PLC modules of devices A, B and C are based on the Ghn standard, and are the same and the same domain. The Ghn-PLC module in device A is the DM of the G.hn-PLC domain and is the master node device. The Ghn-PLC module in device B and the Ghn-PLC module in device C are nodes EP1 and EP2 of the Ghn-PLC domain, respectively. Meanwhile, in another IEEE 1901-based PLC network included in the hybrid home network, the PLC module of the device D is the BM of the IEEE 1901-based PLC network, and the PLC module of the device E is the node STA in the network.

It is assumed that the node devices in the PLC network based on the Ghn standard all enter the low power mode, and the scheduling of the sleep period is as shown in FIG. 11 and FIG. Based on this scenario, the present invention can take the following specific implementation steps:

 1) The DM calculates the length of the minimum common sleep period based on the sleep scheduling information of the nodes of the entire domain, and determines the starting position of the minimum common sleep period in the time domain. If there is a node in the domain that does not enter the low power mode, then =0 is considered. The length of Ί may be 1 MAC period, or it may be multiple MAC periods, or it may be less than 1 MAC period.

 2) The DM sends an abstract layer control message to the BM based on the IEEE 1901 network based on the IEEE 1905.1 network, the abstract layer control message carrying the minimum common sleep information of the domain, including the length of the minimum common sleep period Ί\ and the minimum common Parameters such as the starting position of the sleep period in the time domain.

 As shown in Figure 11, the minimum common sleep period corresponds to one TDMU, and the minimum public sleep period in Figure 12 corresponds to TDMS5.

 As shown in Table 1, the abstraction layer controls the message to include the content shown in Table 1.

 The abstraction layer control message can be transmitted to device D over other transport networks based on the IEEE 1905.1 protocol, such as over a Wi-Fi network or an Ethernet network.

3) Device D is a BM device in a PLC network based on the IEEE 1901 standard, and after receiving the message, the PLC module of device D is in the time domain according to the minimum common sleep period length Ί and the minimum common sleep period provided in the message. Starting position, determined within the time domain region corresponding to the minimum common sleep period, based on The time resource corresponding to the Ghn standard PLC network, and whether the PLC network based on the IEEE 1901 standard can use the time resource.

 4) If the PLC network based on the IEEE 1901 standard can use the time resource, the BM can directly allocate the resources originally allocated to the Ghn domain included in the time zone corresponding to the minimum common sleep period to the STA of the network, and notify by the beacon STA in this network.

 5) When the sleep period of the node in the PLC network based on the Ghn standard changes, the DM recalculates the length of the minimum common sleep period and the start position of the minimum common sleep period in the time domain, and performs step 2) again, so that The BM is able to reallocate channel resources in time.

 As shown in FIG. 13, FIG. 13 shows another hybrid home network including a Ghn-based PLC network and an IEEE 1901-based PLC network, which share the power line transmission medium in the home. Coexistence is achieved based on the ISP coexistence protocol. The home network system includes five node devices, wherein the device in, C, and D are devices based on the IEEE 1905.1 standard, and the underlying technical modules that the three node devices can support are not identical. Device B is a PLC single mode device based on Ghn standard, device A and device C both contain Ghn-PLC modules, and are the same domain, device B is the DM of the Ghn-PLC domain, PLC module of device A and device C The PLC modules are nodes EP1 and EP2 of the Ghn-PLC domain, respectively. At the same time, in the network, there is another PLC network based on the IEEE 1901 standard working on the same power line medium, the device D is a device based on the IEEE 1905.1 standard, and the PLC module of the device D is the PLC network based on the IEEE 1901 standard. STA, and device E is an IEEE 1901-based device, which is a BM in the network.

 It is assumed that the node devices in the PLC network based on the Ghn standard enter the low power mode, and the scheduling of the sleep period is as shown in Fig. 11.

 Based on this scenario, the present invention can take the following specific implementation steps:

1) The device B as the DM calculates the length T _l of the minimum common sleep period according to the sleep scheduling information of the nodes of the entire domain and determines the starting position of the minimum common sleep period in the time domain. If there are nodes in the domain that do not enter the low power mode, then Ί\=0 is considered. The length of T1 may be 1 MAC period, or may be multiple MAC periods, or may be less than 1 MAC period.

2-1) Device B sends the common sleep time information in the local domain to the device E, and the information is first sent to the Ghn module of the device A in the local domain, and the dormant scheduling information is sent in a message format based on the Ghn protocol. As shown in Table 2, the message containing the public sleep time information should at least contain the contents shown in Table 2.

 Table 2

 2-2) Device A sends an abstract layer control message through another technology transmission module, which may be a Wi-Fi network or an Ethernet network, and forwards the length 1 of the minimum common sleep period and the starting position of the minimum common sleep period in the time domain. parameter.

The abstraction layer control message shall contain at least the content as shown in Table 3:

期间隔 n个 MAC周期）

Interval interval n MAC cycles)

 2-3) After receiving the abstract layer control message through the other technology transmission module, the device D sends a MAC layer message of the IEEE 1901 format to the device E through the PLC module based on the IEEE 1901 standard, where the MAC message carries The minimum common sleep information includes parameters such as the length Ί\ of the minimum common sleep period and the start position of the minimum common sleep period in the time domain.

 The MAC message should contain at least the contents shown in Table 4:

3) After receiving the message, the device D determines, according to the minimum public sleep period length 1\ provided in the message and the start position of the minimum common sleep period in the time domain, in the time domain region corresponding to the minimum public sleep period. The time resource corresponding to the PLC network based on the Ghn standard, and whether the time source resource can be used by the PLC network based on the IEEE1901.

 4) If the IEEE 1901-based PLC network can use the time resource, the BM can directly allocate the resources originally allocated to the Ghn domain included in the time zone corresponding to the minimum common sleep period to the STA of the network, and notify the present by the beacon. STA in the network.

 5) When the sleep period of the node in the PLC network based on the Ghn standard changes, the DM recalculates the length of the minimum common sleep period and the start position of the minimum common sleep period in the time domain, and performs step 2) again, so that The BM is able to reallocate channel resources in time.

 The invention will be described in detail below by way of examples.

As shown in Figure 14, a hybrid home network is shown, which includes a PLC network based on the G.hn standard and a PLC network based on the IEEE 1901 standard, which share the family. In the power line transmission medium, the two PLC networks coexist according to the ISP coexistence protocol. The home network system may include six devices, all of which are multi-mode devices based on the IEEE 1905.1 standard, but the underlying technology modules that the six devices can support are not identical. Among them, the devices in the home network system, the PLC modules of B and C are all based on the G.hn standard, and are the same domain. The G.hn-PLC module in device A is the DM of the G.hn-PLC domain and is the master node device. The G.hn-PLC module in device B and the G.hn-PLC module in device C are nodes EP1 and EP2 of the G.hn-PLC domain, respectively. Therefore, the master node DM forms a network based on the G.hn standard with the nodes EP1 and EP2. At the same time, the PLC modules of devices D, E, F and G in the hybrid home network are based on the IEEE 1901 standard and are the same network. The IEEE 1901-PLC module in device D is the BM of the IEEE 1901-PLC network. The IEEE 1901-PLC modules in devices E, F, and G are nodes STA1, STA2, and STA3 of the IEEE 1901-PLC domain, respectively. Since the G.hn network works on the same power line medium as the IEEE 1901 network, the nodes in the two networks interfere with each other. Figure 15 shows the communication range of DM, EP1, EP2 and EP3. When EP1 is transmitting data, BM and STA1 in the PLC network based on the IEEE 1901 standard will be interfered; when EP2 is transmitting data, BM, STA1 and STA2 in the PLC network based on the IEEE 1901 standard will be interfered. Therefore, the PLC network victim node group based on the IEEE 1901 standard includes BM, STA1, and STA2, and the interfered node group in the G.hn domain includes DM, EP1, and EP2.

When a node in a network based on the G.hn standard is interfered by a PLC network based on the IEEE 1901 standard, the DM calculates the length of the minimum common sleep period according to the dormancy scheduling information of the interfered node group in the PLC network based on the G.hn standard. T ₂ , Τ ₂ is the minimum common sleep time of the devices in the interfered node group, and determines the starting position of the minimum common sleep period in the time domain. If a node in the domain interfered node group does not enter the low power mode, Τ ₂ =0; Τ ₂ may be 1 MAC period, or may be multiple MAC periods, or may be less than 1 MAC period.

 After the DM calculates the minimum common sleep period, the subsequent steps may be performed in the other scenarios described above based on the present invention, and are not described herein again.

 As shown in FIG. 16, the embodiment of the present invention further provides a resource allocation method, including:

701. The second network device acquires the second sleep time information of the second PLC network, where the second network device is a master node device of the second PLC network that supports the ISP coexistence protocol, where the common sleep time information is used to indicate the The common sleep time of the nodes of the second PLC network. 702. The second network device determines whether the public sleep time includes a time resource used by the second PLC network according to an ISP coexistence protocol.

 If yes, go to step 703.

 703. The second network device sends the time resource information to the first network device, where the time resource information includes the second ISP-based coexistence protocol included in the common sleep time.

Time resources used by the PLC network.

 Step 703, the first network device receives the time resource information sent by the second network device, and divides, according to the time resource information, the ISP coexistence protocol included in the common sleep time for the The time resource scheduling used by the second PLC network is used by the device in the first PLC network; the first network device is a master node device of the first power line communication PLC network supporting the ISP coexistence protocol, the first PLC network It belongs to a different type of PLC network than the second PLC network.

 Optionally, the acquiring, by the second network device, the common sleep time information of the second PLC network, includes: acquiring, by the second network device, dormancy scheduling information of the device in the second power line communication PLC network supporting the ISP coexistence protocol, The dormancy scheduling information is used to indicate a dormant scheduling time of the device in the second PLC network;

 Determining, according to the dormant scheduling information, the common sleep time of the device of the second PLC network, generating common sleep time information; the common sleep time information is used to represent the device of the second PLC network Public sleep time.

 Optionally, the second network device acquires dormancy scheduling information of the device in the second PLC network that supports the ISP coexistence protocol, and includes:

 The second network device acquires sleep scheduling information of all devices in the second PLC network; or, the second network device acquires sleep of the node device in the second PLC network that is interfered by the first PLC network Scheduling information.

 Optionally, the period of the common sleep time of the node device in the second PLC network is equal to an integer multiple of the TDMU duration or an integer multiple of the TDMS duration.

Optionally, the public sleep time information includes a location of the common sleep time in a time domain, and the location of the common sleep time in the time domain uses a corresponding TDMU sequence number and a corresponding TDMS. The serial number indicates.

 Optionally, the common sleep time information further includes an interval time period representation between adjacent common sleep times.

 The network device and the resource allocation method of the present invention are described in detail by using the foregoing embodiments. The description of the above embodiments is only for helping to understand the method and the core idea of the present invention. Meanwhile, for those skilled in the art, according to the present disclosure, The present invention is not limited by the scope of the present invention.

Claims

Rights request  A first network device, comprising:  a receiving unit, configured to receive public sleep time information sent by the second network device, where the first network device is a master node device of a first power line communication PLC network based on an intersystem protocol ISP coexistence protocol, and the second network is The device is a node device of the second PLC network supporting the ISP coexistence protocol, the common sleep time information is used to indicate a common sleep time of the node device of the second PLC network, the first PLC network and the first The second PLC network belongs to a different type of PLC network; the processing unit is configured to determine, according to the common sleep time information received by the receiving unit, whether the common sleep time includes the second PLC network divided according to an ISP coexistence protocol Time resource used;  a scheduling unit, configured to: if the processing unit determines that the common sleep time includes a time resource for use by the second PLC network based on an ISP coexistence protocol, partitioning the public sleep time according to an ISP coexistence protocol A time resource schedule for use by the second PLC network is used by devices in the first PLC network.  2. The first network device according to claim 1, further comprising: After the time slot of the PLC network scheduling, sending resource scheduling information to other node devices in the first PLC network; the resource scheduling information is used to indicate that the node device in the first PLC network can use the common sleep time Information transmission is performed corresponding to time slots scheduled for the second PLC network.  The first network device according to claim 1 or 2, wherein the period of the common sleep time of the node device of the second PLC network is equal to an integer multiple of the TDMU duration or an integer multiple of the TDMS duration.  The first network device according to claim 3, wherein the serial number of the common sleep time TDMS.  The first network device according to claim 4, wherein the common sleep time information further includes a number of cycles of the common sleep time. The first network device according to any one of claims 1 to 5, wherein the first The common sleep time of the node device of the second PLC network is the common sleep time of the node device in the second PLC network interfered by the first PLC network.  The first network device according to any one of claims 1-5, wherein a common sleep time of the node device of the second PLC network is a common sleep of all node devices in the second PLC network. time.  8. A third network device, comprising:  a receiving unit, configured to receive resource scheduling information sent by the first network device; the first network device and the third network device are node devices of a first power line communication PLC network based on an intersystem protocol ISP coexistence protocol, where a network device is configured to receive public sleep time information sent by the second network device, where the common sleep time information is used to indicate a common sleep time of the node device of the second PLC network, the first PLC network and the first The second PLC network belongs to different types of networks; and according to the public sleep time information, it is determined whether the common sleep time corresponds to a time slot scheduled for the second PLC network, and if so, to the first PLC network The other node device is configured to send the resource scheduling information, where the resource scheduling information is used to indicate that the node device in the first PLC network can use the common sleep time to correspond to a time slot scheduled for the second PLC network. Performing information transmission; the second network device is a node of a second PLC network supporting the ISP coexistence protocol ;  And a scheduling unit, configured to perform information transmission according to the time slot scheduled by the second PLC network corresponding to the resource scheduling information received by the receiving unit.  9. A second network device, comprising:  An acquiring unit, configured to acquire sleep scheduling information of a node device in a second power line communication PLC network based on an intersystem protocol ISP coexistence protocol; the second network device is a node device of the second PLC network;  a generating unit, configured to determine, according to the dormant scheduling information, a common sleep time of the node device of the second PLC network, to generate sleep time information; the common sleep time information is used to represent a node device of the second PLC network Public sleep time; a sending unit, configured to send the common sleep time information to a first network device, where the first network device is a node device of a first PLC network that supports the ISP coexistence protocol, the first PLC network and the first The two PLC networks belong to different types of networks. The second network device according to claim 9, wherein the acquiring unit is configured to acquire the dormancy scheduling information of the node device in the second PLC network based on the ISP coexistence protocol, and the method includes: acquiring the Dormant scheduling information of all node devices in the second PLC network.  The second network device according to claim 9, wherein the acquiring unit is configured to acquire sleep scheduling information of the node device in the second PLC network based on the ISP coexistence protocol, and the method includes: acquiring the The sleep scheduling information of the node device interfered by the first PLC network in the second PLC network.  The second network device according to any one of claims 9-11, wherein the period of the common sleep time of the node device in the second PLC network is equal to an integer multiple of the TDMU duration or integer multiple of the TDMS. duration.  The second network device according to any one of claims 9-12, wherein the sleep time corresponds to a serial number of the TDMS.  The second network device according to claim 13, wherein the common sleep time information further includes a number of cycles of the common sleep time.  15. A resource allocation method, comprising:  Receiving, by the first network device, public sleep time information sent by the second network device, where the first network device is a master node device of a first power line communication PLC network supporting an intersystem protocol ISP coexistence protocol, and the second network device The master sleep time information is used to represent the common sleep time of the node of the second PLC network, the first PLC network and the second PLC networks belong to different types of PLC networks;  Determining, according to the common sleep time information, whether the common sleep time includes a time resource for use by the second PLC network according to an ISP coexistence protocol;  If yes, the first network device schedules time resources for use by the second PLC network based on the ISP coexistence protocol included in the common sleep time to be used by devices in the first PLC network. The resource allocation method according to claim 15, wherein the first network device determines, according to the common sleep time information, whether the common sleep time corresponds to the first After the time slot of the second PLC network scheduling, the method further includes:  If the time resource for use by the second PLC network is divided based on the ISP coexistence protocol, the first network device sends resource scheduling information to the device of the first PLC network; the resource scheduling information is used to indicate The device of the first PLC network is capable of transmitting information using time resources for use by the second PLC network based on the ISP coexistence protocol included in the common sleep time.  The resource allocation method according to claim 15 or 16, wherein the period of the common sleep time of the devices of the second PLC network is equal to an integer multiple of the TDMU duration or an integer multiple of the TDMS duration.  The resource allocation method according to claim 17, wherein the common sleep time information includes a location of the common sleep time in a time domain, and the common sleep time uses a corresponding location in a time domain. The serial number of the TDMU and the serial number of the corresponding TDMS.  The resource allocation method according to claim 18, wherein the common sleep time information further includes an interval time between adjacent common sleep times, wherein the interval time is between adjacent common sleep times. Interval media access control indicates the number of MAC cycles or the number of beacon cycles.  The resource allocation method according to any one of claims 15 to 19, wherein a common sleep time of the node device of the second PLC network is the first PLC network in the second PLC network. The common sleep time of the interfering node device.  The resource allocation method according to any one of claims 15 to 19, wherein a common sleep time of the node device of the second PLC network is a common sleep time of all node devices in the second PLC network. .  22. A resource allocation method, comprising: The third network device receives resource scheduling information sent by the first network device; the first network device is a primary node device of a first power line communication PLC network supporting an ISP coexistence protocol, and the third network device is a first device supporting an ISP coexistence protocol The device of the power line communication PLC network; the first network device is configured to receive the common sleep time information sent by the second network device, where the common sleep time information is used to indicate a common sleep time of the node device of the second PLC network, The first PLC network and the second PLC network belong to different types of networks; and according to the common sleep time information, determine the Whether the common sleep time corresponds to a time slot scheduled for the second PLC network, and if so, transmitting the resource scheduling information to other node devices in the first PLC network; the resource scheduling information is used to indicate the first A node device in a PLC network can use the common sleep time to transmit information corresponding to a time slot scheduled by the second PLC network; the second network device is a second PLC network supporting the ISP coexistence protocol Node device  And transmitting, by the third network device, the information used by the second PLC network to perform time slot transmission according to the received resource scheduling information.  23. A resource allocation method, comprising:  The second network device obtains the dormant scheduling information of the device in the PLC network in the second power line communication supporting the inter-system protocol ISP coexistence protocol; wherein the second network device is the master node device of the second PLC network;  Determining, by the second network device, the common sleep time of the node device of the second PLC network according to the dormant scheduling information, generating common sleep time information; the common sleep time information is used to represent the second PLC network The public sleep time of the device;  Transmitting, by the second network device, the common sleep time information to a first network device, where the first network device is a primary node of a first PLC network supporting the ISP coexistence protocol, the first PLC network and the The second PLC network belongs to different types of PLC networks.  The resource allocation method according to claim 23, wherein the acquiring, by the second network device, the dormancy scheduling information of the node device in the second PLC network based on the ISP coexistence protocol comprises: acquiring by the second network device Dormant scheduling information of all devices in the second PLC network. The resource allocation method according to claim 23, wherein the acquiring, by the second network device, the dormancy scheduling information of the node device in the second PLC network based on the ISP coexistence protocol comprises: acquiring the second network device The sleep scheduling information of the node device in the second PLC network interfered by the first PLC network.  The resource allocation method according to any one of claims 23-25, wherein a period duration of a common sleep time of the node device in the second PLC network is equal to an integer multiple of a TDMU duration or an integer multiple of a TDMS duration . The resource allocation method according to any one of claims 23-26, characterized in that The public sleep time information includes a location of the common sleep time in the time domain, and the location of the common sleep time in the time domain is represented by a sequence number of the corresponding TDMU and a sequence number of the corresponding TDMS.  The resource allocation method according to claim 27, wherein the common sleep time information further includes an interval time between adjacent common sleep times, wherein the interval time is between adjacent common sleep times. The interval of the MAC period or the number of beacon periods is indicated.  29. A resource allocation method, comprising:  The second network device acquires the common sleep time information of the second PLC network, where the second network device is the master node device of the second PLC network supporting the inter-system protocol ISP coexistence protocol, and the common sleep time information is used to indicate the a common sleep time of a node of the second PLC network;  Determining, by the second network device, whether the common sleep time includes a time resource for use by the second PLC network according to an ISP coexistence protocol;  If yes, the second network device sends time resource information to the first network device, where the time resource information includes time for the second PLC network based on the ISP coexistence protocol included in the common sleep time. The resource, the first network device receives the time resource information sent by the second network device, and, according to the time resource information, divide the second sleep time based on the ISP coexistence protocol for the second The time resource scheduling used by the PLC network is used by the device in the first PLC network; the first network device is a master node device of the first power line communication PLC network supporting the ISP coexistence protocol, the first PLC network and the The second PLC network belongs to different types of PLC networks.  The resource allocation method according to claim 29, wherein the acquiring, by the second network device, the common sleep time information of the second PLC network comprises:  And acquiring, by the second network device, sleep scheduling information of the device in the second power line communication PLC network supporting the ISP coexistence protocol, where the dormant scheduling information is used to indicate a sleep scheduling time of the device in the second PLC network;  Determining, according to the dormant scheduling information, the common sleep time of the device of the second PLC network, generating common sleep time information; the common sleep time information is used to represent the device of the second PLC network Public sleep time. The resource allocation method according to claim 30, wherein the second network is configured Obtaining the dormancy scheduling information of the device in the second PLC network that supports the ISP coexistence protocol, the method includes: acquiring, by the second network device, dormancy scheduling information of all devices in the second PLC network. The resource allocation method according to claim 30, wherein the acquiring, by the second network device, the dormant scheduling information of the device in the second PLC network that supports the ISP coexistence protocol comprises: acquiring, by the second network device The sleep scheduling information of the node device in the second PLC network interfered by the first PLC network.  The resource allocation method according to any one of claims 30 to 32, wherein a period duration of a common sleep time of the node device in the second PLC network is equal to an integer multiple of a TDMU duration or an integer multiple of a TDMS duration .  The resource allocation method according to any one of claims 30 to 33, wherein the common sleep time information includes a location of the common sleep time in a time domain, and the public sleep time is in a time domain. The location is represented by the serial number of the corresponding TDMU and the serial number of the corresponding TDMS.  The resource allocation method according to claim 34, wherein the common sleep time information further includes an interval time between adjacent common sleep times, wherein the interval time is between adjacent common sleep times. Indicates the number of MAC cycles or the number of beacon periods.