CN102006638A - Call processing method and terminal - Google Patents

Abstract

The invention discloses a call processing method and a terminal. The method includes: after receiving a feature notification message from a switching subsystem MSS, the BSS releases the successfully established basic channel or stops the operation of establishing the basic channel, wherein the feature notification message is used In order to identify insufficient ground circuit resources, the basic channel is the channel established by the BSS for wireless priority access calls; the BSS receives the assignment message from the MSS; the BSS re-establishes the basic channel according to the assignment message for call processing. Through the invention, the utilization rate of the wireless basic channel is improved.

Description

Call processing method and terminal

technical field

The present invention relates to the communication field, in particular, to a call processing method and a terminal.

Background technique

Wireless priority access service is a service that can provide legally authorized institutions and users with priority access to wireless networks. Its characteristic is that when network resources (including wireless resources and ground circuit resources) are insufficient, these legally authorized Organizations and users initiate a wireless priority access voice call. The network side will not fail the call due to insufficient resources, but queue the call according to priority. Once available resources are allocated to the call, the call is made. In this way, the purpose of providing priority access services is achieved. Typically, wireless priority access services are frequently used in emergencies.

Among them, the main features of the wireless priority access service are: (1) The wireless priority access service is only provided to legally authorized organizations and users, and users need to sign a contract in advance to obtain permission; Add a special prefix (such as *272 to identify the wireless priority access service) to obtain the wireless priority access service, that is, the service is for a single call, not for the user; (3) the user uses the wireless priority access service , if the system resources are congested, the system will queue the call (without preempting other users), and the maximum queuing time can be set according to the actual application scenario.

Fig. 1 is the flow chart of the wireless priority access call when the terrestrial circuit is congested in the related art, as shown in Fig. 1, including the following steps:

Step S101: The terminal initiates a wireless priority access call, that is, dials *272 before the called number.

Step S102: After receiving the call initiation message, the base station subsystem (BSS for short) sends a service request message to the switch, requesting to establish a call.

Step S103: Synchronized with step S102, the BSS starts to establish the basic channel, and the basic channel is established successfully.

Step S104: After receiving the service request message from the BSS, the switching subsystem (Mobile Switching Subsystem, referred to as MSS) performs a series of operations (authentication, etc.), and finds that the call is a wireless priority access call, and finds that the ground circuit Insufficient resources, the MSS constructs a feature notification message to the BSS to notify the BSS that the ground circuit resources are congested; at the same time, the MSS starts to queue the ground circuit resources for the call, and the queuing time can be flexibly set according to the application.

Step S105: After receiving the feature notification message from the MSS, the BSS learns that the call is a wireless priority access call and the ground circuit resources are congested, and sends a feature notification message to the mobile station (Mobile Station, referred to as MS) to notify the MS to wait, At the same time, the BSS sets a timer to wait for the assignment request message from the MSS, and the timer duration is set according to the queuing duration of the MSS side.

Step S106: Before the queuing timer expires, the MSS detects that there are available ground circuit resources.

Step S107: The MSS constructs an assignment request message and sends it to the BSS, and the message carries the priority of this call.

Step S108: After receiving the assignment request message, the BSS performs related operations, constructs an extended channel assignment message and sends it to the terminal.

Step S109: Synchronized with step S108, the BSS constructs and assigns a complete message and sends it to the MSS.

Step S110: The MS switches to a traffic channel.

Step S111: Enter the follow-up call flow.

It can be seen from the above process that when the ground circuit is queuing, the basic channel required for the call has been successfully established, that is, during the ground queuing period, the basic channel occupied by the call is actually idle. Then there will be the following two situations:

(1) If the terrestrial circuit queuing fails, that is, there is no available terrestrial circuit resource after the queuing timer, the call will fail, and the wireless basic channel resources occupied during the queuing period will be wasted.

(2) The queuing of the terrestrial circuit is successful. For the same reason, the wireless basic channel resources occupied during the queuing period are also wasted.

To sum up, the call processing method in the related art when the terrestrial circuit is congested in the wireless priority access call leads to relatively low resource utilization in the wireless basic channel.

Contents of the invention

The main purpose of the present invention is to provide a call processing method and terminal to solve the problem of relatively low utilization of wireless basic channel resources caused by the call processing method in the above-mentioned related art when the ground circuit is congested in the wireless priority access call.

In order to achieve the above purpose, according to one aspect of the present invention, a call processing method is provided.

The call processing method according to the present invention includes: after the base station subsystem (BSS) receives the feature notification message from the switching subsystem (MSS), it releases the successfully established basic channel or stops the operation of establishing the basic channel, wherein the feature notification The message is used to identify insufficient ground circuit resources. The basic channel is the channel established by the BSS for wireless priority access calls; the BSS receives the assignment message from the MSS; the BSS re-establishes the basic channel according to the assignment message for call processing.

Further, the BSS receiving the assignment message from the MSS includes: the BSS receives the assignment message from the MSS within a predetermined first time interval, wherein the duration set by the timer is set according to the queuing time of the MSS for the wireless priority access call Certainly.

Further, the BSS re-establishing the basic channel according to the assignment message and performing call processing includes: the BSS re-establishing the basic channel according to the assignment message after a predetermined second time interval after releasing the basic channel and performing call processing.

Further, after the base station subsystem BSS receives the feature notification message from the MSS, it further includes: the BSS forwards the feature notification message to the mobile station MS to notify the MS to wait for access.

Further, the BSS re-establishing the basic channel according to the assignment message to perform call processing includes: the BSS generates an extended channel assignment message and sends it to the MS, and at the same time generates an assignment complete message and sends it to the MSS for the MS to switch to a service channel.

In order to achieve the above object, according to one aspect of the present invention, a base station subsystem (BSS) is provided.

The BSS according to the present invention includes: a release module, which is used for the BSS where it is located to release the successfully established basic channel or stop the operation of establishing the basic channel after receiving the characteristic notification message from the switching subsystem MSS, wherein the characteristic notification message Used to identify insufficient ground circuit resources, the basic channel is the channel established by the BSS for wireless priority access calls; the receiving module is used to receive the assignment message from the MSS; the processing module is used to re-establish the basic channel according to the assignment message Call handling.

Further, the receiving module includes: a receiving submodule, configured to receive an assignment message from the MSS within a predetermined first time interval, wherein the predetermined first time interval is set according to the queuing time of the MSS for wireless priority access calls Certainly.

Further, the processing module is configured to re-establish the basic channel according to the assignment message and perform call processing after a predetermined second time interval after the basic channel is released.

Further, the BSS further includes: a forwarding module, used for the BSS to forward the feature notification message to the mobile station MS to notify the MS of waiting for access.

Further, the processing module includes: a first generation module, used to generate an extended channel assignment message and send it to the MS for the MS to switch to the service channel; a second generation module, used to generate an assignment complete message and send it to the MSS for the MS to switch to the service channel; into the business channel.

Through the present invention, after receiving the feature notification message from the MSS, the BSS releases the successfully established basic channel or stops the operation of establishing the basic channel, which solves the call processing when the ground circuit is congested in the wireless priority access call in the related art The method leads to the problem that the resource utilization rate of the wireless basic channel is relatively low, thereby improving the effect of the wireless basic channel utilization rate.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the present invention and constitute a part of the application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations to the present invention. In the attached picture:

Fig. 1 is a flow chart of setting up a call based on wireless priority access call terrestrial circuit congestion;

Fig. 2 is a flowchart of call processing according to an embodiment of the present invention;

FIG. 3 is a flow chart of call establishment for special processing of the wireless basic channel when the ground circuit is congested according to an embodiment of the present invention;

FIG. 4 is a structural block diagram of a BSS according to an embodiment of the present invention; and

Fig. 5 is a preferred structural block diagram of a BSS according to an embodiment of the present invention.

Detailed ways

Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

The present embodiment provides a call processing method. FIG. 2 is a flow chart of call processing according to an embodiment of the present invention. As shown in FIG. 2 , the method includes:

Step S202: After receiving the feature notification message from the MSS, the BSS releases the successfully established basic channel or stops the operation of establishing the basic channel. The feature notification message is used to indicate that the ground circuit resources are insufficient, and the basic channel is BSS and wireless priority The channel established for incoming calls.

Step S204: the BSS receives the assignment message from the MSS.

Step S206: The BSS re-establishes the basic channel according to the assignment message for call processing.

Through the above steps, after receiving the feature notification message from the MSS, the BSS releases the successfully established basic channel or stops the operation of establishing the basic channel, and the released resources can be allocated to services that do not require ground circuit resources, avoiding The call processing method when the terrestrial circuit is congested in the wireless priority access call leads to the problem that the resource utilization rate of the wireless basic channel is relatively low, thereby improving the utilization rate of the wireless basic channel.

Preferably, a preferred implementation manner of step S204 will be described below. The BSS receives the assignment message from the MSS within a predetermined first time interval, wherein the predetermined first time interval is set according to the MSS's queuing time for wireless priority access calls. Through this preferred embodiment, the BSS receives the assignment message within the time length preset by the timer, which improves the accuracy and efficiency of the BSS in obtaining the assignment message.

Preferably, a preferred implementation manner of step S206 is described below. The BSS re-establishes the fundamental channel according to the assignment message and performs call processing after a predetermined second time interval after releasing the fundamental channel. Through this preferred embodiment, the BSS re-establishes the basic channel after a predetermined time interval after release, which avoids system disturbance. For example, when the BSS releases the basic channel, the MSS immediately allocates available ground circuit resources, causing the basic channel to be released. While requesting to establish a basic channel.

Preferably, after the base station subsystem BSS receives the feature notification message from the mobile station subsystem MSS, the BSS forwards the feature notification message to the mobile station MS to inform MS to wait for access. Through this preferred embodiment, the MS receives the feature notification message from the MSS through the BSS and waits for access, which ensures the reliability of communication.

Preferably, a preferred implementation manner of step S206 is described below. The BSS generates an extended channel assignment message and sends it to the MS, and at the same time generates an assignment complete message and sends it to the MSS for the MS to switch to a service channel. Through this preferred embodiment, the BSS generates an extended channel assignment message and an assignment completion message to complete the MS transferring to the service channel, and uses the existing flow to realize the call, reducing the research and development cost.

preferred embodiment

This embodiment provides a calling method. This embodiment combines the above-mentioned embodiments and preferred implementation modes therein. FIG. 3 is a flow chart of call establishment for special processing of the wireless basic channel when the ground circuit is congested according to the embodiment of the present invention, as shown in FIG. As shown in Figure 3, the method includes:

Step S301: The terminal initiates a wireless priority access call, that is, dials *272 before the called number.

Step S302: After receiving the call initiation message, the BSS sends a service request message to the switch, requesting to establish a call.

Step S303: Synchronized with S302, the BSS starts to establish the basic channel, and the basic channel is established successfully.

Step S304: After receiving the service request message from the BSS, the MSS performs a series of operations (authentication, etc.), and finds that the call is a wireless priority access call, and at the same time finds that the ground circuit resources are insufficient, and the MSS sends a configuration feature notification message to the BSS , to inform the BSS that the ground circuit resources are congested; at the same time, the MSS starts to queue the ground circuit resources for the call, and the queuing time can be flexibly set according to the application.

Step S305: After receiving the feature notification message from the MSS, the BSS learns that this call is a wireless priority access call and the ground circuit resources are congested, and sends a feature notification message to the MS to notify the MS to wait, and at the same time, the BSS sets a timer to wait for the MSS's instruction. Configuration request message, the timer duration is set according to the MSS side queuing duration.

Step S306: Synchronized with step 205, the BSS releases the wireless basic channels that have been successfully established, and stops establishing the basic channels that have not been successfully established. At the same time set the timer t. Through this step, it is prevented that when the BSS releases the wireless basic channel, the MSS immediately allocates available ground circuit resources, resulting in requesting to establish a wireless basic channel while releasing the wireless basic channel, which brings disorder to the system.

Step S307: Before the queuing timer expires, the MSS detects that there are available terrestrial circuit resources.

Step S308: The MSS constructs an assignment request message and sends it to the BSS, and the message carries the priority of this call.

Step S309: After receiving the assignment request message, the BSS establishes the basic channel after the timer t expires, and the basic channel is established successfully.

Step S310: The BSS constructs an extended channel assignment message and sends it to the MS.

Step S311: Synchronized with step S310, the BSS constructs and assigns a complete message and sends it to the MSS.

Step S312: The MS switches to a traffic channel.

Step S313: Enter the follow-up call flow.

This embodiment provides a BSS. FIG. 4 is a structural block diagram of the BSS according to an embodiment of the present invention. As shown in FIG. 4, the BSS includes: a releasing module 42, a receiving module 44 and a processing module 46. The above-mentioned structure will be described below To describe in detail:

The release module 42 is used for the BSS where it is located to release the successfully established basic channel or stop the operation of establishing the basic channel after receiving the characteristic notification message from the MSS, wherein the characteristic notification message is used to indicate that the ground circuit resource is insufficient, and the basic channel The channel is the channel established by the BSS for wireless priority access calls; the receiving module 44 is used to receive the assignment message from the MSS; the processing module 46 is used to re-establish the basic channel according to the assignment message for call processing.

Figure 5 is a preferred structural block diagram of the BSS according to an embodiment of the present invention, as shown in Figure 5, the above-mentioned BSS also includes: a forwarding module 52; the receiving module 44 includes: setting sub-module 442, receiving sub-module 444; To describe in detail:

The receiving module 44 includes: a receiving sub-module 444, configured to receive assignment messages from the MSS within a predetermined first time interval, wherein the first time interval is set according to the queuing time of the MSS for wireless priority access calls. The forwarding module is used for the BSS to forward the feature notification message to the mobile station MS to notify the MS to wait for access.

Preferably, the processing module 44 is configured to re-establish the basic channel according to the assignment message and perform call processing after a predetermined second time interval after the basic channel is released.

The processing module 46 includes: a first generation module 462, used to generate an extended channel assignment message and send it to the MS for the MS to switch to the service channel; a second generation module 464, used to generate an assignment complete message and send it to the MSS for the MS to switch to the service channel; into the business channel.

Through the above embodiments, a call processing method and a base station subsystem are provided. After the BSS receives the feature notification message from the MSS, it releases the successfully established basic channel or stops the operation of establishing the basic channel, and the released resources can be allocated to It does not require the service use of ground circuit resources, thereby improving the utilization rate of the wireless basic channel.

Obviously, those skilled in the art should understand that each module or each step of the above-mentioned present invention can be realized by a general-purpose computing device, and they can be concentrated on a single computing device, or distributed in a network formed by multiple computing devices Alternatively, they may be implemented in program code executable by a computing device so that they may be stored in a storage device to be executed by a computing device, and in some cases in an order different from that shown here The steps shown or described are carried out, or they are separately fabricated into individual integrated circuit modules, or multiple modules or steps among them are fabricated into a single integrated circuit module for implementation. As such, the present invention is not limited to any specific combination of hardware and software.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A call processing method, characterized in that, comprising: After receiving the feature notification message from the switching subsystem MSS, the base station subsystem BSS releases the successfully established basic channel or stops the operation of establishing the basic channel, wherein the feature notification message is used to indicate insufficient ground circuit resources, and the The basic channel is a channel established by the BSS for wireless priority access calls; The BSS receives an assignment message from the MSS; The BSS re-establishes the basic channel according to the assignment message to perform call processing. 2. The method according to claim 1, wherein the BSS receiving the assignment message from the MSS comprises: The BSS receives the assignment message from the MSS within a predetermined first time interval, wherein the duration set by the timer is set according to the queuing time for the wireless priority access call by the MSS. 3. The method according to claim 1, wherein the BSS re-establishing the basic channel according to the assignment message and performing call processing comprises: The BSS re-establishes the basic channel according to the assignment message and performs call processing after a predetermined second time interval after releasing the basic channel. 4. The method according to claim 1, characterized in that, after the base station subsystem BSS receives the feature notification message from the MSS, it further comprises: The BSS forwards the feature notification message to the mobile station MS to notify the MS to wait for access. 5. The method according to claim 1, wherein the BSS re-establishing the basic channel according to the assignment message to perform call processing comprises: The BSS generates an extended channel assignment message and sends it to the MS, and at the same time generates an assignment complete message and sends it to the MSS for the MS to switch to a traffic channel. 6. A base station subsystem BSS, characterized in that, comprising: The release module is used for the BSS where it is located to release the successfully established basic channel or stop the operation of establishing the basic channel after receiving the characteristic notification message from the switching subsystem MSS, wherein the characteristic notification message is used to identify the ground circuit Insufficient resources, the basic channel is a channel established by the BSS for wireless priority access calls; a receiving module, configured to receive an assignment message from the MSS; A processing module, configured to re-establish the basic channel according to the assignment message for call processing. 7. The BSS according to claim 6, wherein the receiving module comprises: A receiving submodule, configured to receive an assignment message from the MSS within a predetermined first time interval, wherein the predetermined first time interval is determined according to the MSS being the queuing time of the wireless priority access call set up. 8. The BSS according to claim 6, wherein the processing module is configured to re-establish the basic channel according to the assignment message after a predetermined second time interval after releasing the basic channel and perform Call handling. 9. The BSS according to claim 6, further comprising: a forwarding module, configured for the BSS to forward the characteristic notification message to the mobile station MS to notify the MS to wait for access. 10. The BSS according to claim 6, wherein the processing module comprises: A first generating module, configured to generate an extended channel assignment message and send it to the MS for the MS to switch to a traffic channel; The second generation module is used to generate an assignment completion message and send it to the MSS for the MS to switch to a traffic channel.

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