WO2015000177A1

WO2015000177A1 - Network selection method and network side device

Info

Publication number: WO2015000177A1
Application number: PCT/CN2013/078904
Authority: WO
Inventors: 曾清海; 王可; 张宏平
Original assignee: 华为技术有限公司
Priority date: 2013-07-05
Filing date: 2013-07-05
Publication date: 2015-01-08
Also published as: CN105264957A

Abstract

A network selection method and a network side device. The method comprises: sending a state factor of a cellular network or a wireless local area network to a user equipment, so that the user equipment determines a probability according to the state factor; if a probability determining result is yes, the user equipment offloading a service flow of the use equipment to the cellular network or the wireless local area network; and if the probability determining result is not, the user equipment being not allowed to offload the service flow of the use equipment to the cellular network or the wireless local area network.

Description

Network selection method and network side device

The present invention relates to the field of communications, and in particular, to a network selection method and a network side device.

Background technique

Due to the emergence of various innovative mobile applications, the data rate requirements for wireless networks are becoming higher and higher. In order to achieve this demand, with the advancement of network-side devices and terminals, multiple types of networks are deployed in overlapping deployments, and mobile phones also support simultaneous access to multiple standards of networks, or dynamic between networks of multiple standards. Switching, so that users get a better service experience.

This type of transmission of multiple connections in multiple networks introduces a problem, namely user equipment (UE,

User Equipment) How to dynamically select these different networks and choose according to what criteria and information.

In the prior art, when the user equipment and the cellular network remain connected, that is, the user equipment is in the connection state of the cellular network (RRC-CONNECTED), the user equipment may use the Radio Resource Control Protocol (RRC, RadioResourceControl) signaling from the cellular network. Obtaining indication information of the network selection, thereby selecting when to access/exit the WLAN network according to the indication information.

When the user equipment is located in the coverage of the wireless local area network (WLAN, Wireless Local Area Networks) and is associated with the WLAN, the connection of the user equipment on the cellular side may enter the idle state due to no data transmission for a long time (RRC_IDLE) State), that is, the user equipment is disconnected from the cellular network. At this time, if the WLAN AP is overloaded, or the resources of the cellular network are idle, the user equipment may need to exit the association with the WLAN, and then reestablish the connection with the cellular. However, because the existing WLAN does not have a corresponding active notification mechanism, and the user equipment does not establish a connection with the cellular network in the idle state, the user equipment cannot actively connect to the cellular network in this state. Moreover, if a large number of users select a specific network and establish a connection and perform service transmission in a short time, it may cause signaling storms and traffic congestion of the network, and then may trigger network selection again _: thus such network selection occurs. Ping Pong effect.

Summary of the invention

The embodiment of the invention provides a network selection method for selecting a suitable network for service offload according to the network state. The network selection method provided by the first aspect of the embodiments of the present invention includes:

Transmitting, to the user equipment, a status factor of the cellular network or the wireless local area network, so that the user equipment performs probability determination according to the status factor;

If the probability judgment result is yes, the user equipment offloads the service flow of the user equipment to the cellular network or the wireless local area network;

If the probability judgment result is no, the user equipment cannot offload the service flow of the user equipment to the cellular network or the wireless local area network.

In a first possible implementation of the first aspect, the status factor comprises:

Any one or a combination of two or more of network load, hardware load, or Internet reachability. With reference to the first implementation method of the first aspect, in a second possible implementation method of the first aspect, the network load includes:

Air interface load and / or core network load.

With the second implementation method of the first aspect, in the third possible implementation method of the first aspect, before the sending, by the user equipment, a status factor of the cellular network or the wireless local area network, the method includes: acquiring, by the user equipment, Air interface load of wireless local area network;

Alternatively, the air interface load of the wireless local area network of the user equipment is obtained from a wireless local area network controller. With reference to the first aspect, and any one of the first to third aspects of the first aspect, in the fourth possible implementation method of the first aspect, the causing the user equipment to perform a probability determination according to the state factor, including :

Generating a random number according to a value range of the state factor of the cellular network;

Determining whether the random number is greater than or equal to a state factor of the cellular network, and if yes, the result of the probability determination is yes, if not, the result of the probability determination is no;

Or, determining whether the random number is less than or equal to a state factor of the cellular network, and if yes, the result of the probability determination is yes, and if not, the result of the probability determination is no.

With reference to the first aspect, and any one of the first to third aspects of the first aspect, in the fifth possible implementation method of the first aspect, the causing the user equipment to perform a probability determination according to the state factor, including :

Generating a random number according to a value range of the state factor of the wireless local area network;

Determining whether the random number is greater than or equal to a state factor of the wireless local area network, and if so, The result of the probability judgment is yes, if not, the result of the probability judgment is no;

Or, determining whether the random number is less than or equal to a state factor of the wireless local area network, and if yes, the result of the probability determination is yes, and if not, the result of the probability determination is no.

With reference to the first aspect and any one of the first to fifth aspects of the first aspect, in the sixth possible implementation method of the first aspect, the user equipment offloads the service flow of the user equipment to the The network or the wireless local area network includes:

The user equipment offloads the newly created service flow and/or the existing service flow from the wireless local area network to the cellular network;

Alternatively, the user equipment offloads the newly created service flow and/or the existing service flow from the cellular network to the wireless local area network.

With the first aspect and any one of the first to fifth aspects of the first aspect, in the seventh possible implementation method of the first aspect, the sending, by the user equipment, a status factor of the cellular network or the wireless local area network, including:

The status factor of the cellular network or the wireless local area network is transmitted to the user equipment by a broadcast message, a paging message or dedicated signaling.

With the first aspect and any one of the first to fifth aspects of the first aspect, in the eighth possible implementation method of the first aspect, the user equipment cannot offload the service flow of the user equipment to the Cellular network or wireless LAN, also includes:

The user equipment cannot offload the service flow of the user equipment to the cellular network or the wireless local area network within a preset time.

With reference to the eighth implementation method of the first aspect, in the ninth possible implementation method of the first aspect, the method further includes:

The time indication information is sent to the user equipment by using a broadcast message, a paging message or a dedicated signaling, and the time indication information is used to indicate the length of the preset time.

With reference to the first aspect, and any one of the first to the ninth aspects of the first aspect, in the method of the eighth possible implementation of the first aspect, the method further includes:

Sending a control indication message to the user equipment, where the control indication message is used to indicate a service offload control policy of the user equipment, where the service offload control policy includes: a first control policy and/or a second control policy; The first control policy is used to indicate that the user equipment accepts that the network side device offloads the service flow of the user equipment to the cellular network or the wireless local area network; and the second control policy is used for conditionally accepting the network. The side device offloads the service flow of the user equipment to the cellular network or the wireless local area network.

The network selection method provided by the second aspect of the embodiments of the present invention includes:

The user equipment performs probability determination according to a state factor of the cellular network or the wireless local area network; if the probability judgment result is yes, the user equipment offloads the service flow of the user equipment to the cellular network or the wireless local area network;

In the first possible implementation method of the second aspect, before the user equipment performs the probability determination according to the state factor, the method further includes:

The user equipment receives a status factor of a cellular network or a wireless local area network that is sent by the network side device by using a broadcast message, a paging message, or dedicated signaling.

In a second possible implementation of the second aspect, before the user equipment offloads the service flow of the user equipment to the cellular network or the wireless local area network, the method further includes:

The user equipment establishes a connection on the cellular network or a wireless local area network.

In conjunction with the second aspect and any one of the first to the second aspects of the second aspect, in the third possible implementation method of the second aspect, the status factor includes:

Any one or a combination of two or more of network load, hardware load, or Internet reachability. In conjunction with the third implementation method of the second aspect, in a fourth possible implementation of the second aspect, the network load comprises: an air interface load and/or a core network load.

With reference to the second aspect, and any one of the first to fourth aspects of the second aspect, in the fifth possible implementation method of the second aspect, the receiving the network element or the wireless local area network before the status factor is sent by the network side device , including:

The user equipment reports the air interface load of the user equipment to the network side device.

In a sixth possible implementation of the second aspect, the user equipment is incapable of offloading the service flow of the user equipment to the cellular network or the wireless local area network, and specifically includes:

The user equipment cannot offload the service flow of the user equipment to the bee within a preset time Wo network or wireless LAN.

In a seventh possible implementation of the second aspect, the user equipment, before the user equipment cannot be used to offload the service flow of the user equipment to the cellular network or the wireless local area network, includes:

The user equipment receives the time indication information sent by the network side device by using a broadcast message, a paging message, or a dedicated signaling, where the time indication information is used to indicate the length of the preset time.

With reference to the second aspect, and any one of the first to seventh aspects of the second aspect, in the eighth possible implementation method of the second aspect, the user equipment performs probability determination according to the state factor, including: The range of values of the state factor of the cellular network generates a random number;

Or, determining whether the random number is smaller than a state factor of the cellular network, and if so, the result of the probability determination is yes, and if not, the result of the probability determination is no.

With reference to the second aspect, and any one of the first to seventh aspects of the second aspect, in the ninth possible implementation method of the second aspect, the user equipment offloads the service flow of the user equipment to the The network or the wireless local area network includes:

With reference to the second aspect, the first to the ninth aspect of the second aspect, the method of the tenth possible implementation of the second aspect, the method further includes:

The user equipment receives a control indication message sent by the network side device, where the control indication message is used to indicate a service offload control policy of the user equipment, where the service offload control policy includes: a first control policy and/or a Second control strategy;

The first control policy is used to indicate that the user equipment accepts that the network side device offloads the service flow of the user equipment to the cellular network or the wireless local area network; and the second control policy is used for conditionally accepting the network. The side device offloads the service flow of the user equipment to the cellular network or the wireless local area network. The network side device provided by the third aspect of the embodiments of the present invention includes:

a status factor sending unit, configured to send a status factor of the cellular network or the wireless local area network to the user equipment, so that the user equipment performs probability determination according to the status factor; if the probability determination result is yes, the user equipment The service flow of the user equipment is offloaded to the cellular network or the wireless local area network; if the probability judgment result is no, the user equipment cannot offload the service flow of the user equipment to the cellular network or the wireless local area network.

In a first possible implementation of the third aspect, the status factor comprises: any one or a combination of two or more of network load, hardware load, or Internet reachability.

In a second possible implementation of the third aspect, the network side device further includes: an air interface load acquiring unit, configured to acquire an air interface load of the wireless local area network reported by the user equipment, or obtain the information from the wireless local area network controller The air interface load of the wireless local area network of the user equipment, where the network load includes: an air interface load and/or a core network load.

With reference to the third aspect, and any one of the first to the second aspects of the third aspect, in the third possible implementation method of the third aspect, the network side device further includes:

The time indication sending unit is configured to send time indication information to the user equipment by using a broadcast message, a paging message or a dedicated signaling, where the time indication information is used to indicate the length of the preset time.

With reference to the third aspect, and any one of the first to third aspects of the third aspect, in the method of the fourth possible implementation of the third aspect, the network side device further includes:

a control indication sending unit, configured to send a control indication message to the user equipment, where the control indication message is used to indicate a service offload control policy of the user equipment, where the service offload control policy includes: a first control policy and/or a second a control policy, the first control policy is used to indicate that the user equipment accepts, by the network side device, offloading the service flow of the user equipment to the cellular network or the wireless local area network; The receiving network side device offloads the service flow of the user equipment to the cellular network or the wireless local area network.

The user equipment provided by the fourth aspect of the embodiments of the present invention includes:

a probability judging unit, configured to perform a probability judgment according to a state factor of a cellular network or a wireless local area network; if the probability judgment result is yes, perform a service offloading unit; if the probability judgment result is no, the user equipment cannot The service flow of the user equipment is branched to the cellular network or the wireless local area network; The service offloading unit is configured to offload the service flow of the user equipment to the cellular network or a wireless local area network.

In a first possible implementation of the fourth aspect, the user equipment further includes: a status factor receiving unit, configured to receive, by using a broadcast message, a paging message, or dedicated signaling, a cellular network sent by the network side device or The status factor of the WLAN.

In a second possible implementation of the fourth aspect, the user equipment further includes: a network establishing unit, configured to establish a connection in the cellular network or a wireless local area network.

With reference to the fourth aspect and any one of the first to the second aspects of the fourth aspect, in the third possible implementation method of the fourth aspect, the status factor includes: network load, hardware load, or Internet reachability Any one or a combination of two or more.

With reference to the fourth aspect, the method of any one of the first to third aspects of the fourth aspect, in the fourth possible implementation method of the fourth aspect, the user equipment further includes:

The load reporting unit is configured to report the air interface load of the user equipment to the network side device, where the network load includes: an air interface load and/or a core network load.

With reference to the fourth aspect, and any one of the first to fourth aspects of the fourth aspect, in the fifth possible implementation method of the fourth aspect, the user equipment further includes:

The time indication receiving unit is configured to receive the time indication information sent by the network side device by using a broadcast message, a paging message, or a dedicated signaling, where the time indication information is used to indicate the length of the preset time.

With reference to the fourth aspect, and any one of the first to fifth aspects of the fourth aspect, in the sixth possible implementation method of the fourth aspect, the probability determining unit is specifically configured to:

With reference to the fourth aspect, and any one of the first to sixth aspects of the fourth aspect, in the method of the seventh possible implementation of the fourth aspect, the service offloading unit is specifically configured to:

Diverting a newly created service flow and/or an existing service flow from the wireless local area network to the cellular network Alternatively, the new service flow and/or the existing service flow are offloaded from the cellular network to the wireless local area network.

With reference to the fourth aspect, the any one of the first to the seventh aspects of the fourth aspect, the user equipment further includes:

a control indication receiving unit, configured to receive a control indication message sent by the network side device, where the control indication message is used to indicate a service offload control policy of the user equipment, where the service offload control policy includes: a first control policy and / or second control strategy;

The first control policy is used to indicate that the user equipment accepts that the network side device offloads the service flow of the user equipment to the cellular network or the wireless local area network; and the second control policy is used for conditionally accepting the network. The side device offloads the service flow of the user equipment to the cellular network or the wireless local area network.

As can be seen from the above technical solutions, the embodiments of the present invention have the following advantages:

In the embodiment of the present invention, the network side device sends a status factor of the cellular network or the wireless local area network to the user equipment, so that the user equipment performs probability determination according to the status factor, and then selects whether to refer to the result according to the result of the probability determination. The user equipment is offloaded to the cellular network or wireless local area network. Since the network side device sends the status factor to the user equipment, the user equipment can select a suitable network according to the network status to perform service offloading, so that the load on the network side becomes more reasonable and balanced. Moreover, by adjusting the probability, the network can dynamically adjust the speed of the user network selection. For example, the higher the probability, the more user equipment can quickly trigger the network reselection, and vice versa, the number of users triggering the network selection is reduced, thereby avoiding a large number of user equipment. At the same time, the ping-pong effect caused by network reselection is initiated.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings to be used in the embodiments will be briefly described below. Obviously, the drawings in the following description are only some of the present invention. For the embodiments, those skilled in the art can obtain other drawings according to the drawings without any creative work.

1 is a schematic flowchart of a network selection method according to an embodiment of the present invention;

2 is another schematic flowchart of a network selection method according to an embodiment of the present invention;

3 is another schematic flowchart of a network selection method according to an embodiment of the present invention; 4 is another schematic flowchart of a network selection method according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a network side device according to an embodiment of the present invention;

6 is a schematic structural diagram of a user equipment according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a computer device according to an embodiment of the present invention.

detailed description

BRIEF DESCRIPTION OF THE DRAWINGS The technical solutions in the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative work are within the scope of the present invention.

Referring to FIG. 1, an embodiment of a network selection method in an embodiment of the present invention includes:

101. The network side device sends a status factor of the cellular network or the wireless local area network to the user equipment. The network side device sends a status factor of the cellular network or the wireless local area network to the user equipment, so that the user equipment performs probability determination according to the status factor.

Specifically, the status factor reflects a current network status of the target network, and the target network may include a cellular network and a wireless local area network. Optionally, the network status may be any one or a combination of two or more of network load, hardware load, or Internet reachability.

The network load includes air interface loads of a cellular network or a wireless local area network, such as the number or rate of time-frequency resource usage.

The hardware load is the occupation of the current hardware resources of the network side device. For example, the proportion of the hardware resources of the network side device may be occupied.

The Internet reachability refers to whether the user equipment can access the Internet through the network, and the values may be 1 and 0.

The state factor can comprehensively consider the above factors according to certain criteria, and calculate a value. For example: Status factor Max (air port load, network side device hardware load) * Internet reachability. The above is only an example, and the specific calculation criterion method is not limited in the present invention.

Optionally, in a practical application, the network side device may be: a cellular network base station, and a wireless local area network access node (AP: Access Point).

102. The user equipment performs probability determination according to the state factor.

After the user equipment receives the status factor of the cellular network or the wireless local area network, the subsequent user sets Performing a probability judgment according to the state factor, if the probability judgment result is yes, the user equipment offloads the service flow of the user equipment to the cellular network or the wireless local area network; if the probability judgment result is If not, the user equipment cannot offload the service flow of the user equipment to the cellular network or the wireless local area network.

Optionally, after receiving the status factor for the first time, the user equipment may still use the status factor to determine the state factor in the subsequent probability determinations.

In the embodiment of the present invention, the network side device sends a status factor of the cellular network or the wireless local area network to the user equipment, so that the user equipment performs probability determination according to the status factor, and then selects whether to refer to the result according to the result of the probability determination. The user equipment is offloaded to the cellular network or wireless local area network. Since the network side device sends the status factor to the user equipment, the user equipment can select a suitable network according to the network status to perform service offloading, so that the load on the network side becomes more reasonable and balanced.

The following describes the network selection method in the embodiment of the present invention by taking the status factor of the WLAN as an example. For example, when the wireless local area network load is light, the user equipment is offloaded to the wireless local area network, and vice versa, and then branched to the cellular network. Referring to FIG. 2, Another embodiment of the network selection method in the embodiment of the present invention includes:

201. The network side device acquires a status factor of the wireless local area network.

The network side device obtains the air interface load of the wireless local area network, and the air interface load of the wireless local area network refers to the ratio of the busy time of the channel to the total time; optionally, the network side device can obtain the air interface load of the wireless local area network reported by the user equipment; When the air interface load reaches a certain threshold, the user equipment can report the air interface load of the wireless local area network to the network side device by measuring the report message, so that the network side device determines whether the state factor of the wireless local area network or the cellular network needs to be updated.

The network side device may also obtain the air interface load of the wireless local area network of the user equipment from the wireless local area network controller. It may be understood that, in actual applications, there may be other manners for obtaining the air interface load of the wireless local area network, which is not specifically limited herein. .

Optionally, the network side device may also obtain a core network load of the WLAN;

The core network load refers to the resource usage of the core network link, such as the ratio of the current actual transmission bandwidth to the upper bandwidth limit of the core network. Network side devices can be from routers, wireless LAN controllers, or The network management server obtains the core network load of the wireless local area network.

Exemplarily, in practical applications, the air interface load and core network load can be expressed as a percentage of resource usage, ranging from 0 to 1.

Optionally, the network side device can also obtain the Internet accessibility of the wireless local area network. The network side device can obtain the Internet reachability through a gateway or a wireless local area network controller.

Exemplarily, in practical applications, Internet reachability can be expressed as two values of 0 and 1, where 1 means reachable and 0 is unreachable.

202. The network side device sends a status factor of the wireless local area network to the user equipment.

The network side device sends a status factor of the wireless local area network to the user equipment, so that the user equipment performs probability determination according to the status factor.

Optionally, the network side device sends a status factor of the wireless local area network to the user equipment by using a broadcast message, a paging message, or dedicated signaling.

Optionally, the status factor of the WLAN may include: any one or more combinations of an air interface load of the wireless local area network, a hardware load of the network side device, a core network load of the wireless local area network, and an Internet reachability of the wireless local area network. .

Exemplarily, in practical applications, the state factor can be expressed as a value, which refers to the network load and/or Internet reachability when calculating the state factor; specifically, if the state factor includes both the wireless local area network The air interface load, the core network load of the WLAN, and the Internet reachability of the WLAN can calculate the network load according to the air interface load of the WLAN and the core network load, and then multiply the value of the network load by the value of the Internet reachability. Get the status factor. For example: State factor Max (air port load, network side device hardware load) * Internet reachability.

203. The user equipment generates a random number according to the value range of the state factor.

204. The user equipment performs probability determination according to the state factor.

Determining whether the random number is greater than or equal to a status factor of the WLAN, and if yes, the result of the probability determination is yes, if not, the result of the probability determination is no;

After receiving the status factor of the WLAN, the user equipment performs probability determination according to the status factor. If the probability judgment result is yes, the user equipment uses the service of the user equipment. The traffic is offloaded to the cellular network or the wireless local area network; if the probability judgment result is no, the user equipment cannot offload the service flow of the user equipment to the cellular network or the wireless local area network.

Specifically, after the user equipment establishes the connection in the cellular network or the wireless local area network, the user equipment may offload the newly created service flow and/or the existing service flow from the wireless local area network to the cellular network, or may New traffic flows and/or existing traffic flows are offloaded from the cellular network to the wireless local area network. And, the service flow may be an entire service flow or a partial service flow of the user equipment. The user equipment is specifically configured to be able to perform the service flow, and may be specified by the network device, or may be determined by the user equipment, or the pre-configured/predefined traffic distribution criteria.

Specifically, the user equipment cannot offload the service flow of the user equipment to the cellular network or the wireless local area network means that the service flow of the user equipment cannot be offloaded to the cellular network or the wireless local area network within a preset time. Further, the user equipment may receive time indication information of the network side device by using a broadcast message, a paging message, or a dedicated signaling, where the time indication information is used to indicate the length of the preset time.

The following describes the network selection method in the embodiment of the present invention by taking the state factor of the cellular network as an example. The embodiment of the present invention distributes the user to the wireless local area network when the load of the cellular network is heavy, for example, when the cellular load is heavy, and when the cellular load is light, When the user is offloaded to the cellular network, please refer to FIG. 3. Another embodiment of the network selection method in the embodiment of the present invention includes:

301. The network side device acquires a state factor of the cellular network.

The network side device obtains the air interface load of the cellular network, and the air interface load of the cellular network refers to the proportion of the use of the wireless network time-frequency resources of the cellular network. For example, the ratio of the used resources to the total available resources, the air interface load of the cellular network can be calculated by the cellular network itself.

Optionally, the network side device may also obtain a core network load of the cellular network, where the core network load refers to a resource usage of the core network link, such as a ratio of a current actual transmission bandwidth to a bandwidth upper limit of the core network. The network side device can obtain the core network load of the cellular network from the router, the gateway, the network management server, or the network side device.

302. The network side device sends a status factor of the cellular network to the user equipment. The network side device sends a status factor of the cellular network to the user equipment, so that the user equipment performs probability determination according to the status factor.

Optionally, the network side device sends a status factor of the cellular network to the user equipment by using a broadcast message, a paging message, or dedicated signaling.

Exemplarily, in practical applications, the state factor can be expressed as a value, which means that the network load needs to be considered when calculating the state factor.

303. The user equipment generates a random number according to the value range of the state factor.

304. The user equipment performs probability determination according to the state factor.

After receiving the status factor of the cellular network, the user equipment performs probability determination according to the status factor. If the probability judgment result is yes, the user equipment offloads the service flow of the user equipment to the The network or the wireless local area network; if the probability judgment result is no, the user equipment cannot offload the service flow of the user equipment to the cellular network or the wireless local area network.

Specifically, after the user equipment establishes the connection in the cellular network or the wireless local area network, the user equipment may offload the newly created service flow and/or the existing service flow from the wireless local area network to the cellular network, or may New traffic flows and/or existing traffic flows are offloaded from the cellular network to the wireless local area network. And, the service flow may be an entire service flow or a partial service flow of the user equipment.

In practical applications, there is such a problem: the user equipment is controlled by a specific user, and the user has his or her own preference. This preference may be set by the user on the user equipment (for example, the user wants to use his own home WLAN network, and does not want to use it). Carrier's WLAN), or it may be a user signing letter The information is set (for example, such user equipment may not be strongly controlled by the operator), and this preference may conflict with the network side control indication. When this conflict occurs, the user equipment user equipment needs to know how to handle this situation. If it directly operates according to the instructions of the network, it may violate the user's intention, so it is necessary to have the necessary information to inform the user whether the device follows the network. Side control.

Based on the above problem, the embodiment of the present invention provides a corresponding solution. Referring to FIG. 4, another embodiment of the network selection method in the embodiment of the present invention includes:

401. The network side device sends a control indication message to the user equipment.

The network side device sends a control indication message to the user equipment, where the control indication message carries a service offload control policy, where the control indication message is used to indicate a service offload control policy of the user equipment, where the service offload control policy includes: A control strategy and/or a second control strategy.

The conditional receiving network side device offloads the service flow of the user equipment to the cellular network or the wireless local area network, where the user equipment has obtained or pre-configured/predefined the traffic distribution criterion from the network, Preferably, the traffic is offloaded according to the above-mentioned offloading criterion, and then the control indication message sent by the network side device is adhered to; or, the control information sent by the network side device is preferentially observed, and then the traffic is offloaded according to the pre-configured offloading criterion obtained from the network; or According to the control information sent by the network side device, the service is offloaded to the cellular network or the wireless local area network, but the specific traffic is divided according to the shunting criteria obtained by the user equipment from the network or pre-configured.

Optionally, the service offload control policy may further include a third control policy, where the user equipment does not accept the offload control of the service of the user equipment by the network side.

402. The user equipment returns a control response message to the network side device.

The user equipment returns a control response message to the network side device, where the control response message carries a service offload control policy selected by the user equipment;

Or the control response message confirms whether the user equipment accepts the service offload control policy.

403. The network side device acquires a status factor of the wireless local area network or the cellular network.

For the method for obtaining the specific state factor, reference may be made to the foregoing embodiments of FIG. 2 and FIG. 3, and no longer Said.

404. The network side device sends a status factor of the cellular network or the wireless local area network to the user equipment. The network side device sends a status factor of the cellular network or the wireless local area network to the user equipment, so that the user equipment performs probability determination according to the status factor.

The state factor can comprehensively consider the above factors according to certain criteria, and calculate a value. For example: Status factor Max (air port load, network side device hardware processing capacity load hardware load) * Internet accessibility. The above is only an example, and the specific calculation criterion method is not limited in the present invention.

405. The user equipment performs service offload control according to the service offload control policy selected by the user equipment; if the first control policy selected by the user equipment, or the second control policy that preferentially complies with the control information sent by the network side device, or the step of executing 406;

If the second control policy is selected by the user equipment, and the second control policy is that the user equipment preferentially performs offloading according to the offloading criterion obtained from the network or pre-configured, step 407 is performed.

406. The user equipment performs probability determination according to the state factor.

After receiving the status factor of the cellular network or the wireless local area network, the user equipment performs a probability determination according to the status factor. If the probability judgment result is yes, the user equipment uses the service flow of the user equipment. The user equipment cannot offload the service flow of the user equipment to the cellular network or the wireless local area network if the probability judgment result is no. Optionally, when the service flows are specifically offloaded, the user equipment may perform offloading according to the offloading criteria obtained from the network or pre-configured.

407. The user equipment determines whether the condition of the offload criterion is met.

The user equipment determines whether the status of the current user equipment meets a condition that the user equipment obtains the pre-configured offload criterion from the network;

If yes, the current service flow of the user equipment is offloaded according to the offloading criterion obtained by the user equipment from the network or pre-configured. For example, if the user equipment sets a home WLAN network that preferentially uses the target location in the offloading criterion, when the user equipment searches for the home WLAN network of the target location, the home WLAN network flows through the traffic flow of the cellular network.

If no, step 406 is performed.

The embodiment of the invention implements the shunt control for the service of the user equipment, and takes into account the user's own access network preferences, thereby improving the user experience. An embodiment of the network side device in the embodiment includes:

a status factor sending unit 501, configured to send a status factor of the cellular network or the wireless local area network to the user equipment, so that the user equipment performs probability determination according to the status factor; if the probability judgment result is yes, the user equipment The service flow of the user equipment is offloaded to the cellular network or the wireless local area network; if the probability judgment result is no, the user equipment cannot offload the service flow of the user equipment to the cellular network or the wireless local area network.

The status factor includes: any one or a combination of two or more of network load, hardware load, or Internet reachability.

Further, the network side device further includes:

The air interface load acquisition unit 502 is configured to acquire an air interface load of the wireless local area network reported by the user equipment, or obtain an air interface load of the wireless local area network of the user equipment from a wireless local area network controller, where the network load includes: an air interface load and/or Or core network load.

The time indication sending unit 503 is configured to send time indication information to the user equipment by using a broadcast message, a paging message, or dedicated signaling, where the time indication information is used to indicate the length of the preset time.

The control indication sending unit 504 is configured to send a control indication message to the user equipment, where the control finger The message is used to indicate the service offload control policy of the user equipment, where the service offload control policy includes: a first control policy and/or a second control policy; the first control policy is used to indicate that the user equipment accepts the network The side device offloads the service flow of the user equipment to the cellular network or the wireless local area network; the second control policy is used to conditionally accept the network side device to offload the service flow of the user equipment to the cellular Network or the wireless local area network. Optionally, the control indication sending unit 504 sends a control indication message to the user equipment, where the control indication message carries a service offload control policy, where the control indication message is used to indicate a service offload control policy of the user equipment, where the service The split control policy includes: a first control policy and/or a second control policy.

After receiving the control response message sent by the user equipment to the network side device, the service offload control policy selected by the user is determined. Obtaining a status factor of the wireless local area network or the cellular network. Optionally, the air interface load obtaining unit 502 may obtain the air interface load of the wireless local area network reported by the user equipment, or obtain the wireless local area network of the user equipment from the wireless local area network controller. Air interface load, the network load includes: air interface load and/or core network load.

The status factor sending unit 501 transmits the status of the cellular network or the wireless local area network to the user equipment. And causing the user equipment to perform probability determination according to the state factor. Optionally, the time indication sending unit 503 of the network side device may send the time indication information to the user equipment by using a broadcast message, a paging message, or a dedicated signaling, and the length of the preset time that the user equipment cannot offload the service to the target network. .

The Internet reachability refers to whether the user equipment can access the Internet through the network, and the values may be 1 and 0. The state factor can comprehensively consider the above factors according to certain criteria, and calculate a value. For example: Status factor Max (air port load, network side device hardware processing capacity load hardware load) * Internet accessibility. The above is only an example, and the specific calculation criterion method is not limited in the present invention.

Optionally, in a practical application, the network side device may be: a cellular network base station, and a wireless local area network access node.

The user equipment for performing the foregoing network selection method is described below. Referring to FIG. 6, an embodiment of the user equipment in the embodiment of the present invention includes:

The probability judging unit 602 is configured to perform a probability judgment according to a state factor of the cellular network or the wireless local area network; if the probability judgment result is yes, perform a service offloading unit; if the probability judgment result is no, the user equipment cannot Deriving the service flow of the user equipment to the cellular network or the wireless local area network;

The service offloading unit 603 is configured to offload the service flow of the user equipment to the cellular network or a wireless local area network.

Further, in the embodiment of the present invention, the user equipment may further include:

a status factor receiving unit 601, configured to receive a cellular network or a wireless local area sent by the network side device State factor of the network;

The load reporting unit 604 is configured to report the air interface load of the user equipment to the network side device, where the network load includes: an air interface load and/or a core network load.

The time indication receiving unit 605 is configured to receive time indication information sent by the network side device by using a broadcast message, a paging message, or dedicated signaling, where the time indication information is used to indicate the length of the preset time.

The control indication receiving unit 606 is configured to receive a control indication message sent by the network side device, where the control indication message is used to indicate a service offload control policy of the user equipment, where the service offload control policy includes: a first control policy And/or a second control policy; the first control policy is used to indicate that the user equipment accepts, by the network side device, offloading the service flow of the user equipment to the cellular network or the wireless local area network; The policy is used to conditionally accept the network side device to offload the service flow of the user equipment to the cellular network or the wireless local area network.

Further, the probability determining unit 602 is specifically configured to: generate a random number according to a value range of the state factor of the cellular network; determine whether the random number is greater than or equal to a state factor of the cellular network, and if yes, The result of the probability judgment is yes, if not, the result of the probability judgment is no; or, determining whether the random number is smaller than a state factor of the cellular network, and if so, the result of the probability judgment is yes If not, the result of the probability judgment is no.

Further, the service offloading unit 603 is specifically configured to: offload a newly created service flow and/or an existing service flow from the wireless local area network to the cellular network; or, create a new service flow and/or existing The traffic flow is offloaded from the cellular network to the wireless local area network.

The specific interaction process of each unit in the user equipment in the embodiment of the present invention is as follows:

Optionally, the control indication receiving unit 606 receives the control indication message sent by the network side device, where the control indication message is used to indicate a service offload control policy of the user equipment, where the service offload control policy includes: a policy and/or a second control policy; the first control policy is used to indicate that the user equipment accepts, by the network side device, offloading the service flow of the user equipment to the cellular network or the wireless local area network; The control policy is used to conditionally accept the network side device to offload the service flow of the user equipment to the cellular network or the wireless local area network.

Optionally, the service offload control policy may further include a third control policy, where the user equipment does not accept the offload control of the service of the user equipment by the network side. The user equipment returns a service offload control policy selected by the user equipment to the network side device by using the control response message; or confirms whether the user equipment accepts the service offload control policy. Optionally, the user equipment may report the air interface load of the user equipment to the network side device by using the load reporting unit 604, where the network load includes: an air interface load and/or a core network load. Specifically, the status factor of the wireless local area network is sent to the user equipment by using a broadcast message, a paging message, or dedicated signaling.

The status factor receiving unit 601 receives the status factor of the cellular network or the wireless local area network sent by the network side device. Illustratively, in practical applications, the status factor may be represented as a value, which refers to the network that needs to be considered when calculating the calculation status factor. Load and/or Internet reachability; specifically, if the status factor includes both the air interface load of the wireless local area network, the core network load of the wireless local area network, and the Internet reachability of the wireless local area network, the air interface load and the core network load according to the wireless local area network may be used. Calculate the network load, and then multiply the value of the network load by the value of the Internet reachability to get the status factor. For example: Status factor Max (air port load, network side device hardware load) * Internet reachability.

After the state factor is obtained, the probability judging unit 602 performs probability judgment according to the state factor; if the probability judgment result is yes, the service shunting unit is executed; if the probability judging result is no, the user equipment cannot The service flow of the user equipment is offloaded to the cellular network or the wireless local area network; the user equipment cannot offload the service flow of the user equipment to the cellular network or the wireless local area network means that the user equipment cannot be used within a preset time. The traffic is shunted to the cellular network or wireless local area network. Optionally, before the probability determination is performed, the time indication receiving unit 605 may receive the time indication information sent by the network side device by using a broadcast message, a paging message, or a dedicated signaling, where the time indication information is used to indicate the The length of the preset time.

The service offloading unit 603 offloads the service flow of the user equipment to the cellular network or the wireless local area network. Specifically, after the user equipment establishes the connection in the cellular network or the wireless local area network, the user equipment may offload the newly created service flow and/or the existing service flow from the wireless local area network to the cellular network, or may New traffic flows and/or existing traffic flows are offloaded from the cellular network to the wireless local area network. And, the service flow may be all service flows or partial service flows of the user equipment. Which service flows can be specifically divided by the user equipment, which can be specified by the network side device. Or the user equipment obtains the pre-configured/pre-defined shunting criteria through the network, and is not limited herein.

The embodiment of the present invention further provides a computer storage medium, wherein the computer storage medium can store a program, and the program includes some or all of the steps of the network selection method described in the foregoing method embodiments.

Referring to FIG. 7, an embodiment of the present invention further provides a network side device, which may include: an input device 701, an output device 702, a memory 703, and a processor 704. (The number of processors in the network side device may be one or more. In FIG. 7, a processor is taken as an example. In some embodiments of the present invention, the input device 701, the output device 702, the memory 703, and the processor 704 may be connected by a bus or other manner, wherein the bus is used in FIG. Connection is an example.

The processor 704 performs the following steps:

Sending a status factor of the cellular network or the wireless local area network to the user equipment, so that the user equipment performs probability determination according to the status factor; if the probability judgment result is yes, the user equipment offloads the service flow of the user equipment And to the cellular network or the wireless local area network; if the probability judgment result is no, the user equipment cannot offload the service flow of the user equipment to the cellular network or the wireless local area network.

The information stored in the memory 703 includes: the service offload control policy includes: a first control policy and/or a second control policy. The first control policy is used to indicate that the user equipment accepts that the network side device offloads the service flow of the user equipment to the cellular network or the wireless local area network; and the second control policy is used for conditionally accepting the network. The side device offloads the service flow of the user equipment to the cellular network or the wireless local area network. Optionally, the service offload control policy may further include a third control policy, where the user equipment does not accept the offload control of the service of the user equipment by the network side.

The status factor includes: any one or a combination of two or more of network load, hardware load, or Internet reachability. The network load includes: air interface load and/or core network load.

Specifically, the input device 701 may obtain a network side device return control response message, where the control response message carries a service offload control policy selected by the user equipment; or the control response message confirms whether the user equipment accepts the service offload control policy.

You can get the status factor of the wireless LAN or cellular network. Specifically, the output device 702 may send a control indication message to the user equipment, may send a status factor of the cellular network or the wireless local area network to the user equipment, or send a status factor of the cellular network or the wireless local area network to the user equipment, so that the user equipment is configured according to the The state factor performs probability determination and the like.

Referring to FIG. 7, an embodiment of the present invention further provides a user equipment, which may include:

Input device 701, output device 702, memory 703 and processor 704 (the number of processors in the user device may be one or more, with one processor in FIG. 7 as an example). In some embodiments of the invention, the input The device 701, the output device 702, the memory 703 and the processor 704 can be connected by a bus or other means, wherein the bus connection is taken as an example in FIG.

The processor 704 performs the following steps:

Receiving a state factor of a cellular network or a wireless local area network that is sent by the network side device; the user equipment performs a probability determination according to the state factor; if the probability judgment result is yes, the user equipment uses the service flow of the user equipment The user equipment cannot offload the service flow of the user equipment to the cellular network or the wireless local area network if the probability judgment result is no.

Generating a random number according to the value range of the state factor of the cellular network; determining whether the random number is greater than or equal to a state factor of the cellular network, and if yes, the result of the probability determination is yes, if not, The result of the probability judgment is no; or, determining whether the random number is less than or equal to a state factor of the cellular network, and if so, the result of the probability judgment is yes, and if not, the result of the probability judgment No.

Or generating a random number according to the value range of the state factor of the wireless local area network; determining whether the random number is greater than or equal to a state factor of the wireless local area network, and if yes, the result of the probability determination is yes, if not, The result of the probability judgment is no; or, determining whether the random number is less than or equal to a state factor of the wireless local area network, and if so, the result of the probability determination is yes, if not, the probability judgment The result is no.

Specifically, the service offloading may be: offloading the newly formed service flow and/or the existing service flow from the wireless local area network to the cellular network; or, the newly formed service flow and/or the existing service flow are taken from the The cellular network is offloaded to the wireless local area network.

The information stored in the memory 703 includes: the service offload control policy includes: a first control policy Slightly and/or second control strategy. The first control policy is used to indicate that the user equipment accepts that the network side device offloads the service flow of the user equipment to the cellular network or the wireless local area network; and the second control policy is used for conditionally accepting the network. The side device offloads the service flow of the user equipment to the cellular network or the wireless local area network. Optionally, the service offload control policy may further include a third control policy, where the user equipment does not accept the offload control of the service of the user equipment by the network side.

Specifically, the input device 701 can receive the status factor of the cellular network or the wireless local area network that is sent by the network side device, and can receive the time indication information sent by the network side device by using a broadcast message, a paging message, or a dedicated signaling, where the time is received. The indication information is used to indicate the length of the preset time, and may also receive a control indication message sent by the network side device, where the control indication message is used to indicate a service offload control policy of the user equipment, and the service offload control The strategy includes: a first control strategy and/or a second control strategy, and the like.

Specifically, the output device 702 can report the air interface load of the user equipment to the network side device, and report the air interface load of the user equipment to the network side device.

In the several embodiments provided herein, it should be understood that the disclosed apparatus and method can be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed. In addition, the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical, mechanical or otherwise.

The units described as separate components may or may not be physically separate, and the components displayed as the units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. Medium. The above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may contribute to the prior art or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium. Included are instructions for causing a computer device (which may be a personal computer, server, or network side device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention. The foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .

The above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention. It should be covered by the scope of the present invention. Therefore, the scope of the invention should be determined by the scope of the claims.

Claims

Rights request

1. A network selection method, characterized by including:

Send the status factor of the cellular network or wireless local area network to the user equipment, so that the user equipment makes a probability judgment based on the status factor;

If the probability judgment result is yes, then the user equipment offloads the service flow of the user equipment to the cellular network or the wireless local area network;

If the probability judgment result is no, the user equipment cannot offload the service flow of the user equipment to the cellular network or wireless local area network.

2. The method according to claim 1, characterized in that the status factor includes: any one or a combination of two or more of network load, hardware load or Internet reachability.

3. The method according to claim 2, characterized in that the network load includes: air interface load and/or core network load.

4. The method according to claim 3, characterized in that before sending the status factor of the cellular network or wireless local area network to the user equipment, the method includes:

Obtain the air interface load of the wireless LAN reported by the user equipment;

Or, obtain the air interface load of the wireless LAN of the user equipment from the wireless LAN controller.

5. The method according to any one of claims 1 to 4, characterized in that causing the user equipment to perform probability judgment based on the state factor includes:

Generate a random number according to the value range of the status factor of the cellular network;

Determine whether the random number is greater than or equal to the status factor of the cellular network. If so, the result of the probability judgment is yes. If not, the result of the probability judgment is no;

Or, determine whether the random number is less than or equal to the status factor of the cellular network. If so, the result of the probability judgment is yes. If not, the result of the probability judgment is no.

6. The method according to any one of claims 1 to 4, characterized in that causing the user equipment to perform probability judgment based on the state factor includes:

Generate a random number according to the value range of the status factor of the wireless local area network;

Determine whether the random number is greater than or equal to the state factor of the wireless local area network. If so, the result of the probability judgment is yes. If not, the result of the probability judgment is no;

Or, determine whether the random number is less than or equal to the status factor of the wireless local area network, and if so, Then the result of the probability judgment is yes, if not, the result of the probability judgment is no.

7. The method according to any one of claims 1 to 6, characterized in that: the user equipment offloads the service flow of the user equipment to the cellular network or the wireless local area network, including: the user equipment Offload newly created service flows and/or existing service flows from the wireless local area network to the cellular network;

Alternatively, the user equipment offloads a newly created service flow and/or an existing service flow from the cellular network to the wireless local area network.

8. The method according to any one of claims 1 to 6, characterized in that sending the status factor of the cellular network or wireless local area network to the user equipment includes:

The status factors of the cellular network or wireless local area network are sent to the user equipment through broadcast messages, paging messages or dedicated signaling.

9. The method according to any one of claims 1 to 6, characterized in that the user equipment cannot offload the service flow of the user equipment to the cellular network or wireless local area network, and further includes: the user equipment The service flow of the user equipment cannot be offloaded to the cellular network or wireless local area network within the preset time.

10. The method according to claim 9, characterized in that, the method further comprises: sending time indication information to the user equipment through a broadcast message, a paging message or dedicated signaling, the time indication information is used to indicate The length of the preset time.

11. The method according to any one of claims 1 to 10, characterized in that, the method further includes:

Send a control instruction message to the user equipment, where the control instruction message is used to indicate a service offload control strategy of the user equipment, where the service offload control strategy includes: a first control strategy and/or a second control strategy;

The first control policy is used to instruct the user equipment to accept that the network side device offloads the service flow of the user equipment to the cellular network or the wireless local area network; the second control policy is used to conditionally accept the network The side device offloads the service flow of the user equipment to the cellular network or the wireless local area network.

12. A network selection method, characterized by including:

The user equipment makes a probability judgment based on the status factor of the cellular network or wireless LAN; If the probability judgment result is yes, then the user equipment offloads the service flow of the user equipment to the cellular network or wireless local area network;

13. The method according to claim 12, before the user equipment performs probability judgment based on the state factor, it further includes:

The user equipment receives the status factor of the cellular network or wireless local area network sent by the network side device through a broadcast message, a paging message, or dedicated signaling.

14. The method according to claim 12, before the user equipment offloads the service flow of the user equipment to the cellular network or the wireless local area network, further comprising:

The user equipment establishes a connection in the cellular network or wireless local area network.

15. The method according to any one of claims 12 to 14, characterized in that the state factor includes:

Any one or a combination of network load, hardware load, or Internet reachability.

16. The method according to claim 15, characterized in that the network load includes: air interface load and/or core network load.

17. The method according to any one of claims 12 to 16, characterized in that before receiving the status factor of the cellular network or wireless local area network sent by the network side device, the method includes:

18. The method according to claim 12, characterized in that the user equipment cannot offload the service flow of the user equipment to the cellular network or wireless local area network, specifically including:

The user equipment cannot offload the service flow of the user equipment to the cellular network or wireless local area network within a preset time.

19. The method according to claim 12, characterized in that, before the user equipment cannot offload the service flow of the user equipment to the cellular network or wireless local area network within a preset time, it further includes:

The user equipment receives the time indication information sent by the network side device through broadcast messages, paging messages or dedicated signaling, and the time indication information is used to indicate the length of the preset time.

20. The method according to any one of claims 12 to 17, characterized in that: the user The device performs probability judgment based on the state factor, including:

Or, determine whether the random number is smaller than the status factor of the cellular network. If so, the result of the probability judgment is yes. If not, the result of the probability judgment is no.

21. The method according to any one of claims 12 to 17, characterized in that: the user equipment offloads the service flow of the user equipment to the cellular network or the wireless local area network, including: the user equipment Offload newly created service flows and/or existing service flows from the wireless local area network to the cellular network;

22. The method according to any one of claims 12 to 21, characterized in that the method further includes:

The user equipment receives a control instruction message sent by the network side device. The control instruction message is used to indicate a service offload control strategy of the user equipment. The service offload control strategy includes: a first control strategy and/or a third control strategy. 2. Control strategy;

23. A network side device, characterized by including:

The status factor sending unit is used to send the status factor of the cellular network or wireless local area network to the user equipment, so that the user equipment makes a probability judgment based on the status factor; if the probability judgment result is yes, the user equipment will The service flow of the user equipment is offloaded to the cellular network or the wireless local area network; if the probability judgment result is no, the user equipment cannot offload the service flow of the user equipment to the cellular network or the wireless local area network.

24. The network side device according to claim 23, characterized in that the status factor includes: any one or a combination of two or more of network load, hardware load or Internet reachability.

25. The network side device according to claim 23, characterized in that, the network side device further includes:

An air interface load obtaining unit, configured to obtain the air interface load of the wireless LAN reported by the user equipment, or obtain the air interface load of the wireless LAN of the user equipment from the wireless LAN controller, where the network load includes: air interface load and/or Core network load.

26. The network side device according to any one of claims 23 to 25, characterized in that the network side device further includes:

A time indication sending unit, configured to send time indication information to the user equipment through broadcast messages, paging messages or dedicated signaling, where the time indication information is used to indicate the length of the preset time.

27. The network side device according to any one of claims 23 to 26, characterized in that the network side device further includes:

A control instruction sending unit, configured to send a control instruction message to the user equipment, where the control instruction message is used to indicate a service offload control strategy of the user equipment, where the service offload control strategy includes: a first control strategy and/or a second control strategy. Control strategy; The first control strategy is used to instruct the user equipment to accept that the network side device offloads the service flow of the user equipment to the cellular network or the wireless local area network; the second control strategy is used to conditionally The receiving network side device offloads the service flow of the user equipment to the cellular network or the wireless local area network.

28. A user equipment, characterized by: including:

A probability judgment unit, configured to make a probability judgment based on the status factor of the cellular network or wireless local area network; if the probability judgment result is yes, the service offloading unit is executed; if the probability judgment result is no, the user equipment cannot transfer the The service flow of the user equipment is offloaded to the cellular network or wireless local area network;

A service offloading unit is used to offload the service flow of the user equipment to the cellular network or wireless local area network.

29. The user equipment according to claim 28, the user equipment further comprising:

The status factor receiving unit is configured to receive the status factor of the cellular network or wireless LAN sent by the network side device through broadcast messages, paging messages, or dedicated signaling.

30. The user equipment according to claim 28, the user equipment further comprising:

A network establishment unit, configured to establish a connection in the cellular network or wireless local area network.

31. The user equipment according to any one of claims 28 to 30, characterized in that the status factor includes: any one or a combination of two or more of network load, hardware load or Internet reachability.

32. The user equipment according to any one of claims 28 to 31, characterized in that the user equipment further includes:

The load reporting unit is used to report the air interface load of the user equipment to the network side device. The network load includes: air interface load and/or core network load.

33. The user equipment according to any one of claims 28 to 32, characterized in that the user equipment further includes:

A time indication receiving unit, configured to receive time indication information sent by the network side device through broadcast messages, paging messages or dedicated signaling, where the time indication information is used to indicate the length of the preset time.

34. The user equipment according to any one of claims 28 to 33, characterized in that the probability judgment unit is specifically used to:

35. The user equipment according to any one of claims 28 to 34, characterized in that the service distribution unit is specifically used for:

Offload newly created service flows and/or existing service flows from the wireless local area network to the cellular network; or, offload newly created service flows and/or existing service flows from the cellular network to the wireless network. local area network.

36. The user equipment according to any one of claims 28 to 35, characterized in that the user equipment further includes:

A control instruction receiving unit, configured to receive a control instruction message sent by the network side device, where the control instruction message is used to indicate a service offload control strategy of the user equipment, where the service offload control strategy includes: a first control strategy and /or second control strategy; The first control policy is used to instruct the user equipment to accept that the network side device offloads the service flow of the user equipment to the cellular network or the wireless local area network; the second control policy is used to conditionally accept the network The side device offloads the service flow of the user equipment to the cellular network or the wireless local area network.

37. A computer storage medium characterized by:

The computer storage medium may store a program, and when executed, the program includes the steps described in any one of claims 1 to 11.

38. A network side device, characterized by including:

Input devices, output devices, memories and processors;

The processor performs the following steps:

Send the status factor of the cellular network or wireless local area network to the user equipment, so that the user equipment makes a probability judgment based on the status factor; if the probability judgment result is yes, then the user equipment offloads the service flow of the user equipment to the cellular network or the wireless local area network; if the probability judgment result is no, the user equipment cannot offload the service flow of the user equipment to the cellular network or the wireless local area network.

39. A computer storage medium characterized by:

The computer storage medium may store a program, and when executed, the program includes the steps described in any one of claims 12 to 22.

40. A network side device, characterized by including:

Input devices, output devices, memories and processors;

The processor performs the following steps:

The user equipment performs probability judgment based on the status factor of the cellular network or wireless local area network; if the probability judgment result is yes, the user equipment offloads the service flow of the user equipment to the cellular network or wireless local area network; if the If the probability judgment result is no, the user equipment cannot offload the service flow of the user equipment to the cellular network or wireless local area network.