CN101827382B - Method, equipment and system for switching services of wireless equipment - Google Patents

Abstract

A method for service switching of a wireless device in the field of communication technology. The wireless device receives a service switching indication SSI message; judges whether the SSI value in the SSI message is greater than a specified value; if the SSI value in the SSI message is greater than the specified value, Moreover, the port through which the wireless device accesses the wireless device controller is inconsistent with the port through which the SSI message is received, and access port switching is performed. The embodiment of the present invention also provides a wireless device service switching device and system. The embodiment of the present invention realizes the service switching function of the wireless device. The active and standby wireless device controllers can choose to share the service of the wireless device according to their own capabilities, and can realize that when the wireless device controller at one end fails, it can be controlled by the wireless device at the other end. The server handles the services of the wireless device, which improves the reliability of the services.

Description

A wireless device service switching method, device and system

technical field

The present invention relates to the field of communication technology, in particular to a wireless device service switching method, device and system.

Background technique

In wireless communication equipment, the serial cascade bus is widely used, and a serial cascade bus structure is formed between the master device and the slave device through the serialization and deserialization (Serdes) function, such as in wideband code division multiple Address (WCDMA, Wideband Code Division Multiple Access) distributed base station, the master device corresponds to the radio equipment controller (REC, Radio Equipment Controller), and the slave device corresponds to the radio equipment (RE, Radio Equipment).

Before the normal communication link between RE and REC is established, RE must first connect to REC. RE device has two ports, namely M (Master) port and S (Slave) port. RE device connects to REC through S port. RECs and REs can form a ring network.

At present, the service switching function is provided for REs connected to RECs in the form of rings. As shown in Figure 1, the active and standby RECs both send Service Switch Indication (SSI, Service Switch Indication) messages after startup. (CPRI, Common Public Radio Interface) basic frames are sent continuously without interruption. If the value of SSI is 0, it means that no forced service switching will be performed. If the value is 1, it means that forced service switching needs to be attempted. Before the switching in Figure 1, each RE is accessed from the main REC. After the switching, as shown in Figure 2, each RE is accessed by the secondary REC. The direction of the arrow in Figure 1 and Figure 2 only indicates the switching of RE services.

In the process of implementing the present invention, the inventors found that the existing RE switching scheme has at least the following disadvantages:

For the scenario where multi-level REs are connected to RECs in the form of a ring, when a switchover occurs, the multi-level REs on the ring can only be switched to one side, and REs cannot be allocated between the active and standby RECs, and the load sharing of the active and standby RECs cannot be achieved. role.

Contents of the invention

Embodiments of the present invention provide a wireless device service switching method, device and system.

Embodiments of the present invention are achieved through the following technical solutions:

An embodiment of the present invention provides a wireless device service switching method, including:

The wireless device receives a service switching indication SSI message;

judging whether the SSI value in the SSI message is greater than a specified value;

If the SSI value in the SSI message is greater than a specified value, and the port through which the wireless device accesses the wireless device controller is inconsistent with the port receiving the SSI message, switch the access port.

An embodiment of the present invention provides a wireless device service switching method, including:

the wireless device receives a first SSI message from a first port, and receives a second SSI message from a second port;

If the SSI value in the first SSI message is greater than a specified value, and the SSI value in the second SSI message is also greater than a specified value, the wireless device does not perform access port switching.

An embodiment of the present invention provides a wireless device, including:

A receiving unit, configured to receive a service switching indication SSI message from a port;

A judging unit, configured to judge whether the SSI value in the SSI message received by the receiving unit is greater than a specified value;

A confirming unit, configured to confirm whether the port through which the wireless device accesses the wireless device controller is consistent with the port through which the receiving unit receives the SSI message when the judging unit judges that the value of the SSI is greater than a specified value;

A switching control unit, configured to determine that the value of the SSI is greater than a specified value in the judging unit, and the confirming unit confirms that the port where the wireless device accesses the wireless device controller and the port where the receiving unit receives the SSI message If the ports are inconsistent, perform access port switching.

An embodiment of the present invention provides a wireless device, including:

A receiving unit, configured to receive a first service switching instruction SSI message from the first port, and receive a second SSI message from the second port;

A judging unit, configured to judge whether the SSI value in the first SSI message and the second SSI message is greater than a specified value;

A switching control unit, configured to control the switching of the access port according to the judgment result of the judging unit, the SSI value in the first SSI message is greater than a specified value, and the SSI value in the second SSI message is also greater than a specified value In the case of a value, the wireless device is controlled not to perform access port switching.

An embodiment of the present invention provides a wireless device controller, including:

A message construction unit, configured to construct a service switching instruction SSI message; the initial value of the SSI in the SSI message is related to the number of wireless devices that the wireless device controller expects to serve;

A sending unit, configured to send the SSI message, control the service switching of the wireless device through the SSI value in the SSI message, and if the SSI value is greater than a specified value, control the wireless device when the wireless device accesses the wireless device controller When the port is inconsistent with the port receiving the SSI message, the access port is switched.

An embodiment of the present invention provides a wireless device service switching system, including: a wireless device controller and a wireless device;

The wireless device controller is configured to send a service switching instruction SSI message, where the initial value of the SSI in the SSI message is related to the number of wireless devices that the wireless device controller expects to serve;

The wireless device is configured to receive the SSI message, perform access port switching according to the SSI value in the SSI message, the SSI value in the received SSI message is greater than a specified value, and the wireless device accesses the wireless device When the port of the controller is inconsistent with the port receiving the SSI message, the access port is switched.

An embodiment of the present invention provides a wireless device service switching system, including: a master wireless device controller, a slave wireless device controller, and at least one wireless device, and the master wireless device controller uses the at least one wireless device and the slave The wireless device controller is connected;

The primary wireless device controller is configured to send a first SSI message, where the initial value of the SSI in the first SSI message is related to the number of wireless devices that the primary wireless device controller expects to serve;

The slave wireless device controller is used to send a second SSI message, the initial value of the SSI in the second SSI message is related to the number of wireless devices expected to be served by the slave wireless device controller;

Any one of the at least one wireless device is configured to receive a first SSI message from a first port, and receive a second SSI message from a second port, if the SSI value in the first SSI message is greater than a specified value, and the If the SSI value in the second SSI message is also greater than the specified value, then any one of the wireless devices does not perform access port switching.

It can be seen from the above-mentioned technical solutions provided by the embodiments of the present invention that the embodiments of the present invention realize the service switching function of the wireless device, the active and standby wireless device controllers can choose to share the service of the wireless device according to their own capabilities, and can realize the When the wireless device controller fails, the wireless device controller at the other end can handle the services of the wireless device, which improves the service reliability.

Description of drawings

FIG. 1 is a schematic diagram of prior art REs connected to RECs in a ring manner before switching;

FIG. 2 is a schematic diagram of REs connected to RECs in a ring manner in the prior art after switching;

FIG. 3 is a flowchart of a method for instructing RE service switching in an embodiment of the present invention;

FIG. 4 is a schematic diagram before RE service switching in an embodiment of the present invention;

Fig. 5 is a schematic diagram of RE service switching in an embodiment of the present invention;

FIG. 6 is a flowchart of a RE service switching method in another embodiment of the present invention;

FIG. 7 is a flowchart of a RE service switching method in another embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a wireless device controller in an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a wireless device in another embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a wireless device in another embodiment of the present invention;

Fig. 11 is a schematic structural diagram of an RE service switching system in another embodiment of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the following embodiments of the present invention, the wireless device is RE and the wireless device controller is REC as an example for illustration. , Time-Division Synchronization Code Division-Multiple-Access), Code Division Multiple Access (CDMA, Code Division Multiple Access), Global System for Mobile Communications (GSM, Global System Mobile), Long Term Evolution (LTE, LongTerm Evolution), Global Microwave Access Access to interoperability (WIMAX, World Interoperability for Microwave Access) and other network environments.

An embodiment of the present invention provides a method for instructing wireless equipment service switching, taking the process shown in Figure 3 as an example, including the following steps:

Step 30: The REC constructs an SSI message, and the initial value of the SSI is related to the number of REs that the REC expects to serve;

The value range of SSI can generally be: 0-127; for example, take the 3-level RE connected to the REC in the form of a ring as an example, as shown in Figure 4, the current RE0, RE1 and RE2 are all connected to the main REC, if the main REC RE0 is expected to be accessed, the standby REC is expected to be accessed by RE1 and RE2, that is, the number of REs expected to be served by the main REC is 1, and the number of REs expected to be served by the standby REC is 2, then the main REC sends SSI: 1 (indicating SSI The value of SSI in the message is 1), and the standby REC sends SSI: 2 (indicating that the value of SSI in the SSI message is 2).

Step 31: Send the SSI message, and control RE service switching according to the SSI value.

The REC continuously sends the SSI message along with the CPRI basic frame; the REC includes a primary REC and a standby REC;

The controlling RE service switching according to the SSI value includes:

If only one SSI value is greater than the specified value, control the wireless device to perform access port switching when the port where the wireless device accesses the wireless device controller is inconsistent with the port receiving the SSI message that the SSI value is greater than the specified value.

Further, among the received SSI messages, the number of SSI messages whose SSI value is greater than a specified value is more than one, the wireless device does not perform access port switching.

If the SSI values in the received SSI message are all equal to or less than a specified value, the wireless device does not perform access port switching, and transmits the SSI message to the next-level device.

Regardless of whether switching is performed, when the value of the SSI is greater than the specified value, the SSI value is decremented and passed to the next-level equipment. The decrement method may be to subtract a specific value from the SSI value. The next-level equipment may It may be an RE or a REC. After the message is transmitted to the REC, the message is terminated at the REC, and the REC will not perform the switching operation.

It can be understood that the operation of subtracting the SSI value by a specific value may also be performed before it is judged that the SSI value is greater than the specified value, that is, the operation of subtracting the SSI value by a specific value is performed after receiving the SSI message.

Generally, the SSI value in the SSI message sent by the REC is greater than the specified value. Optionally, when the SSI value is smaller than the specified value, it can be processed in the same way as the SSI value is equal to the specified value. For example, After the SSI value is decremented and sent to the lower-level equipment, a certain RE receives the SSI message and judges that the SSI value in the SSI message is less than the specified value, then does not perform switching, and directly transmits the SSI message to the Next level equipment.

The specific value and the value of the specified value meet the following requirements: ensure that the number of times the SSI value in the SSI message sent by the REC minus the specified value is greater than the specified value and the number of REs that the REC expects to serve The same; that is to say, after the operation of subtracting the specific value from the SSI value is performed N times, the SSI value is less than or equal to the specified value.

In the embodiment of the present invention, the specific value is 1 and the specified value is 0 as an example for illustration, and the decrement operation is performed after judging that the SSI value is greater than the specified value, that is, after the current RE judges that the SSI value is greater than the specified value , decrement the SSI value by 1 and then pass it to the next-level device.

Still taking the structure shown in Figure 4 as an example, if the active REC sends SSI: 1, and the standby REC sends SSI: 2, RE0 will judge that the SSI value 1 is greater than the specified value 0 after receiving the SSI: 1 sent by the active REC. , and then judge that the interface S receiving the SSI message is consistent with the interface accessing the REC, then no switching is performed, and the SSI value is decremented by 1 regardless of whether switching is required, and the SSI value is passed to the next-level RE. RE1 receives the SSI of the master REC: 0, since the SSI value 0 is equal to the specified value 0, no switching is required, and continues to pass the SSI message of the master REC to RE2; RE2 receives the SSI of the master REC: 0, because the SSI value 0 is equal to the specified value 0, and no switching is required.

RE2 receives the SSI: 2 sent by the standby REC, judges that the SSI value 2 is greater than 0, and then judges that the interface M receiving the SSI message is inconsistent with the interface S connected to the REC, then performs a switchover and decreases the SSI value by 1 Continue to transmit down; RE1 receives the SSI of the standby REC: 1, judges that the SSI value 1 is greater than the specified value 0, and then judges that the interface M receiving the SSI message is inconsistent with the interface S connected to the REC, then performs switching, and the The SSI value of the SSI message sent by the standby REC is decremented by 1 and passed down to RE0. Since the SSI value is 0, RE0 does not perform switching on the received SSI message from the standby REC. The connection structure after the above switching process is shown in FIG. 5 , and the direction of the arrow in FIG. 4 and FIG. 5 is only used to indicate the switching of services.

Optionally, if the RE receives two SSI messages from two ports, and the SSI values in the two SSI messages are both greater than a specified value, the RE does not perform access port switching.

For example, in the above example, the active REC sends SSI: 1, and the standby REC sends SSI: 2; when the active REC and the standby REC send SSI: 2 at the same time, RE1 receives the SSI messages sent by the active REC and the standby REC. The SSI values are all greater than the specified value 0. At this time, according to the above processing method, RE1 will be connected to the main REC for a while, and then switched to connect to the standby REC for a while, so that repeated switching occurs. Therefore, in the embodiment of the present invention, when the above situation occurs , that is, when the RE receives two SSI messages from at least one port, and when the values of the two SSIs are both greater than the specified value, the RE does not perform access port switching, and the at least two SSI values are decremented by 1 and sent to the Give the next level of RE. That is, when the SSIs received by RE1 from both ports are greater than 0, switching processing is not performed.

The method described in the above embodiments of the present invention realizes that RECs can share and process RE services according to their own capabilities, realize load sharing of active and standby RECs, and when one end of REC fails, the other end of REC can handle RE services, which improves business reliability.

Another embodiment of the present invention provides a method for RE service switching, taking the process shown in Figure 6 as an example, including the following steps:

Step 60: RE receives an SSI message;

The SSI message is an SSI message continuously sent by the active REC or the standby REC along with the CPRI basic frame.

Step 61: judging whether the SSI value in the SSI message is greater than a specified value;

If the value of the SSI is greater than the specified value, then perform step 62;

If the value of the SSI is less than or equal to the specified value, then perform step 63;

Step 62: Determine whether the port where the RE accesses the REC is consistent with the port that receives the SSI message, and subtract a specific value from the SSI value and send it to the next-level device;

Optionally, the operation of subtracting a specific value from the SSI value may also be performed in step 60;

The specific value and the value of the specified value meet the following requirements: ensure that the number of times the SSI value in the SSI message sent by the REC minus the specified value is greater than the specified value and the number of REs that the REC expects to serve same.

If the port through which the RE accesses the REC is inconsistent with the port through which the SSI message is received, perform step 64;

If the port through which the RE accesses the REC is consistent with the port through which the SSI message is received, perform step 65;

Step 63: Do not perform switching, and transmit the SSI message to the next-level equipment.

Generally, the SSI value in the SSI message sent by the REC is greater than the specified value. Optionally, when the SSI value is smaller than the specified value, it can be handled in the same way as the SSI value is equal to the specified value, that is Without switching, the SSI message is directly transmitted to the next-level equipment.

Step 64: Perform access port switching;

Step 65: No switching of the access port is performed.

The embodiment of the present invention realizes that the RE can judge whether to perform a switchover operation according to the difference in the SSI value in the SSI message sent by the REC, so that the active and standby RECs can share and process the business of the RE according to their own capabilities, and when one end of the REC fails, it can The service of the RE is processed by the REC at the other end, which improves the reliability of the service.

Since the transmission speed of SSI messages between REs is very fast, almost at the millisecond level or faster, in practical applications, the time difference between each RE receiving the SSI messages sent by the active REC and the standby REC is negligible. The RE will simultaneously process the SSI messages sent by the active REC and the standby REC. In order to avoid frequent switching of an RE processing the SSI messages of the active and standby RECs, another embodiment of the present invention provides a method for RE service switching, as shown in FIG. 7 , including the following steps:

Step 70: The RE receives the SSI message sent by the primary REC from the first port, and receives the SSI message sent by the standby REC from the second port;

Step 71: Judging whether there is an SSI message whose SSI value is greater than a specified value in the first SSI message and the second SSI message;

If exist, then execute step 72;

If not exist, then execute step 77;

Step 72: judging whether the number of SSI messages whose SSI value is greater than the specified value is one;

If not, that is, the number of SSI messages whose SSI value is greater than the specified value is two, then step 73 is performed;

If so, that is, the number of SSI messages whose SSI value is greater than the specified value is one, then step 74 is performed;

Step 73: The RE does not perform access port switching, and subtracts a specific value from each SSI value greater than the specified value and then transmits them to the next-level RE respectively;

The specific value and the value of the specified value meet the following requirements: ensure that the number of times the SSI value in the SSI message sent by the REC minus the specified value is greater than the specified value and the number of REs that the REC expects to serve same.

Step 74: Determine whether the port where the RE accesses the REC is consistent with the port that receives the SSI message whose SSI value is greater than a specified value, and subtract a specific value from the SSI value to the next-level device;

If the port through which the RE accesses the REC is inconsistent with the port receiving the SSI message whose SSI value is greater than the specified value, then perform step 75;

If the port through which the RE accesses the REC is the same as the port receiving the SSI message whose SSI value is greater than the specified value, then perform step 76;

Step 75: Perform access port switching;

Step 76: No switching of the access port is performed.

Step 77: No switching of the access port is performed, and the SSI message is transmitted to the next-level device.

In this embodiment, for a RE, if the SSI values in the two received SSI messages are greater than the specified value, no switching will be performed. If only one SSI value is greater than the specified value, the port connected to the REC and the receiving Switching is performed only when the ports of the SSI messages whose SSI value is greater than the specified value are inconsistent, so that the active and standby RECs can share the business of processing REs according to their own capabilities, and at the same time avoid the repeated switching problem that occurs when REs process multiple SSI messages at the same time , and when the REC at one end fails, the REC at the other end can process the business of the RE, which improves the reliability of the business.

An embodiment of the present invention provides a wireless device controller. Taking FIG. 8 as an example, the wireless device controller 80 includes:

A message construction unit 800, configured to construct an SSI message; the initial value of the SSI in the SSI message is related to the number of wireless devices that the wireless device controller expects to serve;

The sending unit 801 is configured to send the SSI message, and control the service switching of the wireless device through the SSI value in the SSI message. The method for controlling the service switching of the wireless device according to the value of the SSI is the same as that described in the method for controlling the service switching of the RE provided by the above-mentioned embodiment, and will not be repeated here.

The wireless device controller 80 may be a master wireless device controller, or a standby wireless device controller.

This embodiment realizes that the wireless device controller can share and process wireless device services according to its own capabilities, realizes the load sharing of the active and standby wireless device controllers, and when the wireless device controller at one end fails, the wireless device controller at the other end can The service of the wireless device is processed, and the reliability of the service is improved.

Another embodiment of the present invention provides a wireless device. Taking FIG. 9 as an example, the wireless device 90 includes:

A receiving unit 900, configured to receive an SSI message from a port;

A judging unit 901, configured to judge whether the SSI value in the SSI message received by the receiving unit 900 is greater than a specified value;

A confirming unit 902, configured to confirm that the port of the wireless device 90 connected to the wireless device controller and the receiving unit 900 receive the SSI message when the judging unit 901 judges that the value of the SSI is greater than a specified value. Whether the port is consistent;

A switching control unit 903, configured to determine that the value of the SSI is greater than a specified value in the judging unit 901, and the confirmation unit 902 confirms that the port of the wireless device 90 connected to the wireless device controller is received by the receiving unit 900 In the case that the ports of the SSI message are inconsistent, the access port switching is performed.

Wherein the wireless device 90 may also include:

The processing unit 904 is configured to receive the judgment result of the judgment unit 901, and subtract a specific value from the SSI value when the SSI value is greater than a specified value;

The forwarding unit 905 is configured to forward the SSI message received by the receiving unit 900 , or forward the SSI message obtained by subtracting a specific value from the SSI value by the processing unit 904 .

The wireless device described in this embodiment can judge whether to perform a switching operation according to the difference in the SSI value in the SSI message sent by the wireless device controller, so that the active and standby wireless device controllers can share and process the business of the wireless device according to their own capabilities, And when the wireless device controller at one end fails, the wireless device controller at the other end can process the service of the wireless device, thereby improving service reliability.

Still another embodiment of the present invention provides a wireless device, which is shown in FIG. 10 as an example, including:

A receiving unit 100, configured to receive a first service switching instruction SSI message from a first port, and receive a second SSI message from a second port;

A judging unit 101, configured to judge whether the SSI value in the first SSI message and the second SSI message is greater than a specified value;

The switching control unit 102 is configured to control the switching of the access port according to the judgment result of the judgment unit 101, the SSI value in the first SSI message is greater than a specified value, and the SSI value in the second SSI message is also When the value is greater than the specified value, the wireless device is controlled not to perform access port switching.

The wireless device can also include:

The processing unit 103 is configured to receive the judgment result of the judgment unit 101, and subtract a specific value from the SSI value when the SSI value is greater than a specified value;

The forwarding unit 104 is configured to forward the SSI message received by the receiving unit 100 , or forward the SSI message obtained by subtracting a specific value from the SSI value by the processing unit 103 .

The wireless device described in this embodiment can judge whether to perform a switching operation according to the difference in the SSI value in the SSI message sent by the wireless device controller, so that the active and standby wireless device controllers can share and process the business of the wireless device according to their own capabilities, And when the wireless device controller at one end fails, the wireless device controller at the other end can process the service of the wireless device, thereby improving service reliability.

Yet another embodiment of the present invention provides a wireless device service switching system, as shown in FIG. 11 , including a wireless device controller 110 and at least one wireless device 111. device controller.

The wireless device controller 110 is configured to send a service switching instruction SSI message, and the initial value of the SSI in the SSI message is related to the number of wireless devices that the wireless device controller 110 expects to serve; the structure of the wireless device controller 110 is the same as What is described in the above embodiment and FIG. 8 will not be repeated here.

The wireless device 111 is configured to receive the SSI message, and perform access port switching according to the SSI value in the SSI message.

Specifically, if an SSI message is received, wherein the SSI value is greater than the specified value, and the port where the wireless device 111 accesses the wireless device controller 110 is inconsistent with the port receiving the SSI message whose SSI value is greater than the specified value, the access is performed. port switching. If two SSI messages are received, wherein the first SSI message is received from the first port, and the second SSI message is received from the second port, if the SSI value in the first SSI message is greater than a specified value, and the second If the SSI value in the SSI message is also greater than the specified value, then any one of the wireless devices 111 does not perform access port switching. If the SSI value in the first SSI message received by any one of the wireless devices 111 is greater than the specified value, the any one of the wireless devices 111 subtracts a specific value from the value of the SSI in the first SSI message, and sends the message to the first SSI message. a lower-level device; or the value of SSI in the second SSI message received by any one of the wireless devices is greater than a specified value, and after the value of SSI in the second SSI message is subtracted by a specific value by any one of the wireless devices, Pass it to the first subordinate device.

The structure of the wireless device 111 is the same as that described in the foregoing embodiments and FIG. 9 or FIG. 10 , and will not be repeated here. The wireless devices 111 are wired or wirelessly connected.

The wireless device 111 is connected to the wireless device controller 110 in a ring manner, and the wireless device controller 110 and the wireless device 111 may form a ring network.

The system described in this embodiment realizes that the wireless device controller can choose to share the business of the wireless device according to its own capabilities, and can realize that when the wireless device controller at one end fails, the wireless device controller at the other end can process the business of the wireless device, improving the performance of the wireless device. business reliability.

In summary, the embodiment of the present invention realizes the service switching function of the wireless device. The active and standby wireless device controllers can choose to share the service of the wireless device according to their own capabilities, and when the wireless device controller at one end fails, the other end can The wireless device controller handles the services of the wireless devices, which improves the reliability of the services.

Those skilled in the art can understand that all or part of the steps in the methods of the above embodiments can be implemented by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed in the present invention can easily think of changes or Replacement should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.

Claims (11)

1. the professional reverse method of wireless device is characterized in that, comprising:

Wireless device receives a business and switches indication SSI message;

Judge that whether the SSI value is greater than setting in the described SSI message;

If the SSI value is greater than setting in the described SSI message, and the port of described wireless device access radio equipment controller is inconsistent with the port that receives described SSI message, carries out access interface and switches;

If the SSI value is greater than setting in the described SSI message, described method also comprises: pass to next stage equipment after will deducting a particular value greater than the SSI value of setting.

2. the method for claim 1 is characterized in that, also comprises:

If the SSI value is equal to or less than setting in the described SSI message, then described wireless device is not done access interface and is switched.

3. method as claimed in claim 2 is characterized in that, also comprises:

The SSI message that the SSI value is equal to or less than setting is passed to the next stage wireless device.

4. the professional reverse method of wireless device is characterized in that, comprising:

Wireless device receives a SSI message from the first port, and receives the 2nd SSI message from the second port;

If the SSI value is greater than setting in the described SSI message, and the SSI value is also greater than setting in described the 2nd SSI message, and then described wireless device does not carry out access interface and switches; And pass to the first subordinate equipment after the SSI value in the SSI message deducted a particular value; And pass to the second subordinate equipment after the SSI value in the 2nd SSI message deducted a particular value;

If only have in the SSI message SSI value greater than setting, and the port of described wireless device access radio equipment controller is inconsistent with the port that receives described SSI message, and then described wireless device carries out access interface and switches; And pass to next stage equipment after will deducting a particular value greater than the SSI value of setting.

5. method as claimed in claim 4 is characterized in that, also comprises:

If the SSI value is not more than setting in the described SSI message, and the SSI value is not more than setting in described the 2nd SSI message, and then described wireless device is not done access interface and switched.

6. a wireless device is characterized in that, comprising:

Receiving element is used for switching indication SSI message from a port reception business;

Judging unit is used for judging that whether the SSI message SSI value of described receiving element reception is greater than setting;

Confirmation unit, be used for the described SSI value of described judgment unit judges greater than the setting situation under, confirm whether the port of described wireless device access radio equipment controller consistent with the port that described receiving element receives described SSI message;

The switching control unit, be used in the described SSI value of described judgment unit judges greater than setting, and described confirmation unit is confirmed to carry out access interface and switch in the port of described wireless device access radio equipment controller and the inconsistent situation of port that described receiving element receives described SSI message;

Described wireless device also comprises:

Processing unit is used for the judged result according to described judging unit, this SSI value is deducted a particular value in the SSI value in greater than the setting situation;

Retransmission unit is used for transmitting the SSI message that described receiving element receives, or transmits described processing unit the SSI value is deducted SSI message behind the particular value.

7. a wireless device is characterized in that, comprising:

Receiving element is used for receiving the first business from the first port and switches indication SSI message, and receives the 2nd SSI message from the second port;

Judging unit is used for judging that whether a described SSI message and the 2nd SSI message SSI value are greater than setting;

The switching control unit, be used for controlling switching of access interface according to the judged result of described judging unit, the SSI value is greater than setting in a described SSI message, and the SSI value is also greater than in the setting situation in described the 2nd SSI message, controls described wireless device and do not carry out access interface and switch;

If only have in the SSI message SSI value greater than setting, and the port of described wireless device access radio equipment controller is inconsistent with the port that receives described SSI message, and then described wireless device carries out access interface and switches;

Described wireless device also comprises:

Processing unit is used for the judged result according to described judging unit, this SSI value is deducted a particular value in the SSI value in greater than the setting situation;

Retransmission unit is used for transmitting the SSI message that described receiving element receives, or transmits described processing unit the SSI value is deducted SSI message behind the particular value.

8. a radio equipment controller is characterized in that, comprising:

The message constructing unit is used for the structure business and switches indication SSI message; The initial value of SSI is relevant with the wireless device number of radio equipment controller desired service in the described SSI message;

Transmitting element, be used for sending described SSI message, controlling the wireless device business by the SSI value in the SSI message switches, if the SSI value is greater than setting, the control wireless device accesses the port of described radio equipment controller at this wireless device to carry out access interface when inconsistent with the port that receives SSI message and switches;

If the SSI value is greater than setting in the described SSI message, controls and pass to next stage equipment after described wireless device will deduct a particular value greater than the SSI value of setting.

9. radio equipment controller as claimed in claim 8 is characterized in that, described radio equipment controller is master radio device controller or standby radio equipment controller.

10. the professional exchanging system of wireless device is characterized in that, comprising: radio equipment controller and wireless device;

Described radio equipment controller is used for the transmission business and switches indication SSI message, and the initial value of SSI is relevant with the wireless device number of radio equipment controller desired service in the described SSI message;

Described wireless device, be used for receiving described SSI message, carry out switching of access interface according to SSI value in the described SSI message, the SSI value is greater than setting in the SSI message that receives, and carries out access interface in the port of wireless device access radio equipment controller and the inconsistent situation of port that receives this SSI message and switch;

If the SSI value is greater than setting in the described SSI message, described wireless device will be passed to next stage equipment after will deducting a particular value greater than the SSI value of setting.

11. professional exchanging system of wireless device, it is characterized in that, comprise: master radio device controller, from radio equipment controller and at least one wireless device, described master radio device controller is connected from radio equipment controller with described by described at least one wireless device;

Described master radio device controller is used for sending a SSI message, and the initial value of SSI is relevant with the wireless device number of master radio device controller desired service in the SSI message;

Described from radio equipment controller, be used for to send the 2nd SSI message, the initial value of SSI is relevant with wireless device number from the radio equipment controller desired service in the 2nd SSI message;

Any one of described at least one wireless device, be used for receiving a SSI message from the first port, and receive the 2nd SSI message from the second port, if the SSI value is greater than setting in the described SSI message, and the SSI value is also greater than setting in described the 2nd SSI message, and then described any one wireless device does not carry out access interface and switches;

If only have in the SSI message SSI value greater than setting, and the port of described wireless device access radio equipment controller is inconsistent with the port that receives described SSI message, and then described wireless device carries out access interface and switches;

If the SSI value is greater than setting in the SSI message that described any one wireless device receives, described any one wireless device is passed to the first subordinate equipment after the value of SSI in the one SSI message is deducted a particular value; Or the SSI value is greater than setting in the 2nd SSI message that receives of described any one wireless device, and described any one wireless device is passed to the first subordinate equipment after the value of SSI in the 2nd SSI message is deducted a particular value.

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