CN100442875C - A method for allocating speaking rights in trunking communication - Google Patents

Abstract

The invention relates to a speaking right allocation method in trunking communication in the field of trunking communication technology. The user terminal sends a registration request carrying the message of the speaking right allocation method pre-selected by the user, that is, the push-to-talk PTT server saves the registration request message, and when the user terminal initiates a call, the PTT server uses the speaking right allocation method carried in the registration request. Allocate speaking rights to user terminals. The method of the present invention realizes that the user selects an appropriate speaking right allocation method according to his actual needs during the registration application process before calling, improves user experience, and enables the user to know in advance possible consequences in the speaking right allocation process.

Description

A method for allocating speaking rights in trunking communication

technical field

The invention relates to the technical field of trunking communication, in particular to the allocation of speaking rights in trunking communication.

Background technique

Digital trunking is the main body of today's dedicated wireless communication. It also belongs to the category of mobile communication, but it can integrate functions such as command and dispatch, telephone, data, short message, and multimedia images. Compared with public and global mobile communications, it has a series of special functions. Especially in scheduling, network structure and security control, etc., it has its unique characteristics and complexity, such as fast scheduling group call, broadcast, unicast, forced demolition, forced insertion, abbreviated addressing, priority call, delayed entry, environment detection, etc. Listening, control transfer, dynamic reorganization, automatic retransmission, VPN (virtual private network) networking, etc. Many of these special functions are usually not available in public mobile communication systems, and its quick access response only takes a few hundred milliseconds, while cellular mobile communication takes several seconds, and its group and group users can effectively command, contact, dispatch and half-duplex, Simplex-based operation is the most important feature.

The application requirements of digital trunking have a wide range of dedicated coverage, and can be used in various industries such as railways, transportation, civil aviation, public security, and major events and emergencies. Corresponding to public mobile communication, digital trunking plays an indispensable and important role in national and global social life.

As shown in Figure 1, there is an existing cluster shared network and private network solution based on CDMA (Code Division Multiple Access) network. The basic difference between CDMA cluster communication and ordinary CDMA communication is that multiple people can participate in a session , only one user can control the right to speak at a time. Therefore, the management of the speaking right in the cluster communication is one of the very important functions.

Due to the small delay required by the trunking communication for the call setup time, the following methods are used for the preemption of the conversation right in the existing trunking communication system:

The method for preempting the speaking right is the method of allocating the speaking right in advance, as shown in Figure 2, taking a cluster group call with 3 members as an example, the description is as follows:

The calling party initiates a group call, implying an application for the right to speak;

When the PTT (push-to-talk) server establishes a call with the calling UE1 (user terminal), it will send an invitation message to the called members UE2 and UE3 of the group;

When the caller successfully established a call with the PTT server, UE2 and UE3 did not join the session for some reason;

When the calling call is established, the PTT server immediately assigns the speaking right to the calling UE1 and sends a FloorGrant (granting the speaking right) message to notify UE1, and then starts charging the user call of UE1;

After receiving the Floor Grant message, UE1 instructs User 1 to start speaking;

After user 1 starts speaking, UE1 sends its media voice packet to the PTT server, hoping that the PTT server can forward it to the called party;

Since there is no called party accessing at present, the PTT server has to discard these voice packets.

The shortcoming of above-mentioned speaking right control method is: when distributing speaking right, does not consider whether someone is currently answering the speaker's voice, the speaker starts to speak after receiving the Floor Grant message, he can not confirm whether there is an answering user, if the called user delays If you cannot access or the PTT server sends multiple invitations, the called user cannot access, and the speaker's voice will be discarded. Since the speaker's voice has already used the wireless channel at this time, the PTT server will collect the speaker's billing information. This will cause the user to have to pay for an invalid communication, resulting in unreliable allocation of speaking rights and wasting wireless resources.

At present, another method for allocating the speaking right is to wait until a receiving user successfully joins the session before allocating the speaking right to the calling user, that is, assigning the speaking right at a later time, as shown in Figure 3, and the specific description is as follows:

The calling party initiates a group call, implying an application for the right to speak;

When the PTT server establishes a call with the calling party, it will send an invitation message to the called members UE2 and UE3 of the group;

When the caller successfully established a call with the PTT server, UE2 and UE3 did not join the session for some reason;

When the calling call is established, the PTT server does not assign the calling right to UE1 immediately, but waits for at least one user to join, then assigns the speaking right to UE1 and sends a Floor Grant message to notify UE1, and a Floor Taken message to notify UE2 , indicating that UE2 is ready to answer, and then the PTT server starts to collect charging information;

After receiving the speaking right, UE1 indicates that the user can speak;

After user 1 speaks, his voice is forwarded to user 2 who has joined the session.

The above speaking right allocation process has to consider whether there is a listener to access, so the speed of speaking right allocation is relatively slow, which affects the speed of the calling party to obtain the speaking right, resulting in a certain delay in the call process, which cannot meet the requirements of the conversation right in the trunking communication. Dispensing speed requirements.

It can be seen from the above description that the existing voice right allocation scheme is opaque to the user, that is, the user does not know that the scheme used will cause voice loss or delay, so the user cannot choose the voice right allocation scheme that suits him or her according to actual needs. Allocation.

Contents of the invention

In view of the problems existing in the above-mentioned prior art, the object of the present invention is to provide a method for allocating speaking rights in trunking communication, which pre-configures the speaking right allocation scheme through the user terminal, and selects the speaking right allocation scheme according to the configuration when applying for registration , which improves the user experience.

The purpose of the present invention is achieved through the following technical solutions:

A method for allocating speaking rights in trunking communication, comprising:

A. The user terminal sends a registration request carrying a message of the speaking right allocation method selected by the user;

B. The push-to-talk PTT server saves the registration request, and when the user terminal initiates a call, the PTT server allocates the speaking right to the user terminal according to the speaking right allocation method carried in the registration request.

The registration request also carries basic configuration information of the user terminal.

The speaking right distribution method selected by the user includes: an early speaking right distribution method or a late speaking right distribution method.

When the user terminal selects the early allocation mode of speaking rights, the step B specifically includes:

B1. The PTT server receives the call from the user terminal, establishes a call connection with the user terminal, allocates the speaking right to the user terminal, and starts charging the user terminal that initiates the call.

When the user terminal selects the late allocation mode of the speaking right, the step B specifically includes:

B2. The PTT server receives the call from the user terminal, and after establishing a call connection with the user terminal, waits for the called user terminal to access, and when a called user terminal accesses, assigns the speaking right to the user who initiates the call terminal, and start charging the user terminal that initiates the call.

Said step B also includes:

The PTT server sends an invitation message to the called user terminal of the group, and establishes a call connection with the called user terminal.

If a called user terminal joins the call, the method also includes:

The PTT server sends a speech right occupied message to the joined called user terminal, notifying the called user terminal to start answering.

The method also includes:

D. The user terminal updates the selection of the speaking right allocation method and initiates the registration process again.

It can be seen from the above-mentioned technical solution provided by the present invention that the present invention enables the user terminal to select an appropriate speaking right allocation method according to its actual needs during the registration application process before calling, which improves the user experience and enables the user to know the speaking right in advance. Consequences that may arise during the assignment.

Description of drawings

Fig. 1 is a kind of prior art based on the cluster common network and private network solution schematic diagram of CDMA network;

Fig. 2 is the operation flow chart of assigning the speaking right in advance in the prior art;

Fig. 3 is the operation flowchart of prior art late distribution of speaking rights;

Fig. 4 is a flow chart of the operation of an embodiment of the method of the present invention;

Fig. 5 is an operation flowchart of another embodiment of the method of the present invention.

Detailed ways

The core idea of the present invention is to provide a method for allocating speaking rights in trunking communication, in which a speaking right allocation scheme is pre-configured through a user terminal, and a speaking right allocation scheme is selected according to the configuration during registration application, thereby improving user experience.

The invention provides a method for allocating speaking rights in cluster communication, which includes an early allocating method for allocating the speaking right in advance and a method for allocating the speaking right late for allocating the speaking right. A kind of embodiment operation process of its speech right allocation method is as shown in Figure 4, specifically comprises the following steps:

Step 1: The user determines that the speaking right allocation mode is the early allocation mode of the speaking right through terminal configuration;

Such as a mobile terminal, the allocation of speaking rights through the option configuration on the mobile phone adopts the method of early allocation of speaking rights;

Step 2: The calling UE1 sends a registration request message to the PTT server to initiate a registration application. The message carries the speaking right allocation method selected by the user and basic configuration information;

If the user needs to update the configuration, he can reconfigure it as needed. After the configuration is updated, the re-registration process is initiated, and the re-registration message carries the updated speaking right allocation method;

Step 3: After receiving the registration request message, the PTT server saves the user's configuration information and the speaking right allocation method selected by the user, and sends a registration response message to the user terminal;

Step 4: The calling UE1 initiates a cluster call, implying an application for the right to speak;

Step 5: The PTT server establishes a call connection with the calling UE1, and at the same time sends an invitation message to the called members UE2 and UE3 of the group to establish a call connection with the called party;

Since the call establishment of the called user terminal lags behind the call establishment process of the calling party, when the calling UE1 successfully establishes a call connection with the PTT server, the called UE2 and UE3 may not join the session for some reason;

Step 6: After the calling call connection is established, the PTT server determines that the speaking right allocation mode selected by the user is the speaking right allocation mode according to the speaking right allocation mode selected by the user saved in the above registration process, and then immediately allocates the speaking right to the calling party. Call UE1 and send a Floor Grant message to UE1 to notify UE1 that it can start speaking, and then start charging UE1's call;

Step 7: After receiving the Floor Grant message, UE1 instructs User 1 to start speaking. If the called user UE2 is already connected at this time, the PTT server sends a Floor Taken message that the speaking right is taken to UE2, instructing UE2 to start answering the speech;

Step 8: After user 1 starts speaking, UE1 sends its media voice packets to the PTT server, and the PTT server forwards them to the called user; if no called party is currently connected, the PTT server discards these voice packets. If there is a called user accessing, the voice packet is forwarded to the called user who is connected.

When the user selects the speaking right late allocation scheme, an embodiment of the operation process is as shown in Figure 5, which specifically includes the following steps:

Step 20: The user determines that the speaking right allocation mode is the speaking right late allocation mode through terminal configuration;

Such as a mobile terminal, the allocation of speaking rights through the options on the mobile phone before starting up is to use the late allocation of speaking rights;

Step 21: The calling UE1 sends a registration request message to the PTT server to initiate a registration application, and the message carries the speaking right allocation method selected by the user and basic configuration information;

If the user needs to update the configuration, he can reconfigure it as needed. After the configuration is updated, the re-registration process is initiated, and the re-registration message carries the updated speaking right allocation method;

Step 22: After receiving the registration request message, the PTT server saves the user's configuration information and the speaking right allocation method selected by the user, and sends a registration response message to UE1;

Step 23: The calling UE1 initiates a group call, implying an application for the right to speak;

Step 24: The PTT server establishes a call connection with the calling party, and at the same time sends an invitation message to the called members UE2 and UE3 of the group to establish a call connection with the called party;

Since the call establishment of the called user lags behind the call establishment process of the calling party, when the calling UE1 successfully establishes a call connection with the PTT server, the called UE2 and UE3 may not join the session for some reason;

Step 25: After the calling call connection is established, the PTT server determines that the speaking right allocation mode selected by the user is the speaking right allocation mode according to the speaking right allocation mode selected by the user saved in the above registration process, and the PTT server does not immediately give the calling right allocation mode to the calling party. Call UE1 to allocate the speaking right, but wait for at least one user to join before assigning UE1 the speaking right, and send a Floor Grant message to UE1 to notify UE1 to start speaking, and at the same time send a Floor Taken message that the speaking right is occupied to already The called user UE2 who is connected instructs UE2 to prepare to answer, and then the PTT server starts to collect charging information;

Step 26: After receiving the right to speak, UE1 instructs User 1 to start speaking, UE1 sends its media voice packet to the PTT server, and the PTT server forwards it to called User 2.

To sum up, the present invention enables users to select the appropriate speaking right allocation method according to their actual needs during the registration application process before calling, which improves user experience and enables users to know in advance possible consequences in the process of speaking right allocation. .

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 (8)

1, the calling right distributing method in a kind of trunking communication is characterized in that, comprising:

A, user terminal send the register requirement of the voice right distributing mode message that carries user's selection;

B, putting call through immediately after connection ptt server are preserved described register requirement, and when user terminal made a call, ptt server distributed right of speech to give user terminal by the voice right distributing mode that carries in the described register requirement.

2, the calling right distributing method in a kind of trunking communication as claimed in claim 1 is characterized in that, also carries the user terminal basic configuration information in the described register requirement.

3, the calling right distributing method in a kind of trunking communication as claimed in claim 1 is characterized in that, the voice right distributing mode that described user selects comprises: right of speech is the method for salary distribution or the right of speech method of salary distribution in evening early.

4, the calling right distributing method in a kind of trunking communication as claimed in claim 3 is characterized in that, when user terminal selecting right of speech method of salary distribution morning, described step B specifically comprises:

B1, ptt server receive the calling of user terminal, set up with after the calling of user terminal is connected, and right of speech is distributed to user terminal, and begin the user terminal that makes a call is chargeed.

5, the calling right distributing method in a kind of trunking communication as claimed in claim 3 is characterized in that, when the user terminal selecting right of speech method of salary distribution in evening, described step B specifically comprises:

B2, ptt server receive the calling of user terminal, set up with after the calling of described user terminal is connected, wait for the access of called user terminal, when called user terminal inserts, right of speech is distributed to the user terminal that makes a call, and begin the described user terminal that makes a call is chargeed.

6, as the calling right distributing method in claim 4 or the 5 described a kind of trunking communications, it is characterized in that described step B also comprises:

Ptt server sends the called user terminal of invitation message to group, sets up to be connected with the calling of called user terminal.

7, the calling right distributing method in a kind of trunking communication as claimed in claim 6 is characterized in that, calls out if there is called user terminal to add, and then described method also comprises:

Ptt server sends the occupied message of right of speech to the called user terminal that adds, and notifies this called user terminal to begin to answer.

8, the calling right distributing method in a kind of trunking communication as claimed in claim 1 is characterized in that described method also comprises:

D, user terminal upgrade the selection of voice right distributing mode, initiate the process of registration again.

Images