CN107018577B - Flow state management method, mobile terminal, base station and flow state management system - Google Patents
Flow state management method, mobile terminal, base station and flow state management system Download PDFInfo
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/25—Maintenance of established connections
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Abstract
The invention discloses a process state management method, a mobile terminal, a base station and a process state management system, wherein the process state management method comprises the following steps: when the mobile terminal processes the service type message, the SIP protocol layer of the mobile terminal indicates the current SIP flow to the flow information exchange layer by sending a flow signaling, the type of the flow signaling is determined by the type of the service type message, and the flow information exchange layer is positioned below the SIP protocol layer in a protocol stack; the flow information exchange layer of the mobile terminal sends a flow state signaling to the flow information exchange layer of the base station, wherein the flow state signaling is determined by the type of the flow signaling and is used for indicating the current SIP flow state; and after receiving the flow state signaling, the flow information exchange layer of the base station manages the SIP flow state stored locally and the communication of the mobile terminal according to the flow state signaling. Therefore, the base station can manage the communication of the mobile terminal according to the SIP flow state after acquiring the SIP flow state of the session connection, and the failure rate of the session connection is reduced.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a process state management method, a mobile terminal, a base station, and a process state management system.
Background
When the IMS service of the UE is transmitted in the EPS System (Evolved Packet System), the eNodeB is an indispensable ring in the transmission process. The UE establishes communication with the IMS through an SIP (Session Initiation Protocol) Protocol layer and an EPS Protocol layer, when the UE needs to establish Session connection with other UEs, signaling, such as a request message, needs to be transmitted to the requested UE through the IMS, similarly, when the requested UE responds to the request message, the response message also needs to be contained in the signaling and then transmitted to the UE serving as a requesting party through the IMS, and only when the requested UE responds to the connection establishment approval, the two UEs can use a dedicated bearer to perform Session.
However, the eNodeB is a control unit for communicating with the UE over the air interface via EPC (4G Core network), and only passes the signaling to S-GW (Serving Gateway) and P-GW (PDN Gateway) without analyzing the signaling, and further passes the signaling to IMS. Therefore, the eNodeB does not know what flow state this session connection is in, i.e. the eNodeB does not know the SIP flow state of the current session connection, whether it is a request flow or a response flow? In this case, once the two UEs do not establish a dedicated bearer for the session within the predetermined time, e.g., the requested UE does not respond within the predetermined time, the eNodeB will release or switch off the connection between the UE and the IMS, and when the requested UE responds, a situation may occur in which the response message cannot be delivered or the connection times out.
To take a simple example: as is well known, volte (voice over lte) is an important solution for voice call. The voice scheme is to complete a series of procedures such as voice call and establishment through signaling to establish a session between the IMS and the UE. When the UE1 wants to perform a voice call with the UE2, the UE1 first establishes a bearer with QCI-5 in the EUTRAN cell, then sends a request message to the IMS through the bearer with QCI-5, finds the address of the UE2 by the IMS, and sends a request to the UE2, if the UE2 agrees to perform a session, transfers a response to the IMS, and feeds back the response message to the UE1 by the IMS, and finally the UE1 and the UE2 transmit a voice packet on a dedicated bearer with QCI-1 to perform a voice call, but if the called UE2 does not answer the call in time, the eNodeB switches or releases the connections between the UE1, the UE2 and the IMS.
Disclosure of Invention
The invention mainly solves the technical problems that: the problem that in the prior art, because the base station does not know the SIP flow state of the session connection between the mobile terminals, the connection between the mobile terminals and the IMS is easily released or switched, and the session connection between the mobile terminals fails is solved.
To solve the above technical problem, the present invention provides a process status management method, including:
when the mobile terminal processes the service type message, the SIP protocol layer indicates the current SIP flow to the flow information exchange layer by sending a flow signaling, the type of the flow signaling is determined by the type of the service type message, and the flow information exchange layer is positioned below the SIP protocol layer in a protocol stack;
and the process information exchange layer of the mobile terminal sends a process state signaling to the base station, wherein the type of the process state signaling is determined by the type of the process signaling and is used for indicating the current SIP process state.
In an embodiment of the present invention, the flow information exchange layer is an RRC protocol layer.
In an embodiment of the present invention, the category of the service class message includes: request message and response message:
when the service type message is a request message, the SIP protocol layer of the mobile terminal sends the flow signaling to the flow information exchange layer of the mobile terminal as a request flow signaling, and the request flow signaling is used for indicating that the current SIP flow is a request flow;
after receiving the request process signaling, the mobile terminal sends a process state signaling to the base station, wherein the process state signaling is a first mobile terminal application layer state notification used for indicating that the current SIP process state is a starting state;
when the service type message is a response message, the SIP protocol layer of the mobile terminal sends the flow signaling to the flow information exchange layer of the mobile terminal as a response flow signaling, and the response flow signaling is used for indicating that the current SIP flow is a response flow;
and after receiving the response process signaling, the mobile terminal sends a process state signaling to the base station, wherein the process state signaling is a second mobile terminal application layer state notification used for indicating that the current SIP process state is an end state.
The invention also provides a process state management method, which comprises the following steps:
a flow information exchange layer of a base station receives a flow state signaling sent by a mobile terminal, wherein in a protocol stack, the flow information exchange layer is positioned below an SIP protocol layer, the flow state signaling is used for indicating the current SIP flow state, the type of the flow state signaling is determined by the type of the flow signaling, and the type of the flow signaling is determined by the type of a service type message processed by the mobile terminal;
and the base station manages the SIP flow state locally stored according to the flow state signaling, and manages the communication of the mobile terminal according to the SIP flow state.
In an embodiment of the present invention, the flow information exchange layer is an RRC protocol layer.
In an embodiment of the present invention, the category of the service class message includes: request message and response message:
when the service type message is a request message, the process state signaling is a first mobile terminal application layer state notification for indicating that the current SIP process state is a starting state; the base station updates the SIP process state stored locally to an ongoing state according to the state notification of the application layer of the first mobile terminal;
when the service type message is a response message, the process state signaling is a second mobile terminal application layer state notification for indicating that the current SIP process state is an end state; and the base station updates the SIP process state stored locally into an idle state according to the state notification of the application layer of the second mobile terminal.
The invention also provides a process state management method, which comprises the following steps:
when a mobile terminal processes service type messages, an SIP protocol layer of the mobile terminal indicates a current SIP process to a process information exchange layer of the mobile terminal by sending a process signaling, wherein the type of the process signaling is determined by the type of the service type messages, and the process information exchange layer is positioned below the SIP protocol layer in a protocol stack;
the flow information exchange layer of the mobile terminal sends a flow state signaling to the flow information exchange layer of the base station, wherein the type of the flow state signaling is determined by the type of the flow signaling and is used for indicating the current SIP flow state;
the process information exchange layer of the base station receives a process state signaling sent by the mobile terminal;
and the base station manages the SIP flow state locally stored according to the flow state signaling, and manages the communication of the mobile terminal according to the SIP flow state.
The present invention also provides a mobile terminal, comprising:
the SIP protocol layer is used for sending a flow signaling to indicate the current SIP flow to the flow information exchange layer of the mobile terminal, and the flow instruction is determined by the type of the service type message processed by the mobile terminal;
a flow information alternating layer for receiving the flow signaling sent by the SIP protocol layer and sending a corresponding flow state signaling for indicating the current SIP flow state to a base station according to the type of the flow signaling; in the protocol stack, the flow information exchange layer is located below the SIP protocol layer.
The present invention also provides a base station, comprising:
the system comprises a flow information alternating layer and a flow information receiving layer, wherein the flow information alternating layer is used for receiving a flow state signaling sent by a mobile terminal, and the flow state signaling is used for indicating the flow state signaling of the current SIP flow state; in the protocol stack, the flow information exchange layer is positioned below the SIP protocol layer;
and the management module is used for managing the SIP flow state stored locally according to the flow state signaling and managing the communication of the mobile terminal according to the SIP flow state.
The present invention also provides a process management system, comprising: a mobile terminal as described above and a base station as claimed in claim 9.
The invention has the beneficial effects that:
the flow state management method provided by the invention has the advantages that when the mobile terminal processes the service type message, the SIP protocol layer of the mobile terminal indicates the current SIP flow to the flow information exchange layer, then the flow information exchange layer of the mobile terminal sends a flow state signaling to the flow information exchange layer of the base station, the signaling can indicate the current SIP flow state to the base station, and the base station manages the locally stored SIP flow state according to the received flow state signaling.
Drawings
Fig. 1 is a flowchart of a flow state management method according to an embodiment of the present invention;
fig. 2 is a flowchart of a flow state management method according to a second embodiment of the present invention;
fig. 3 is another flowchart of a flow state management method according to a second embodiment of the present invention;
fig. 4 is a flowchart of a flow state management method according to a third embodiment of the present invention;
fig. 5 is a schematic device diagram of a mobile terminal according to a fourth embodiment of the present invention;
fig. 6 is a schematic device diagram of a base station according to a fifth embodiment of the present invention;
fig. 7 is a schematic diagram of another apparatus of a base station according to a fifth embodiment of the present invention.
Detailed Description
In order to make the advantages and details of the present invention clearer, the present invention is further described in detail with reference to the following detailed description and the accompanying drawings.
The conception of the invention is as follows: when the mobile terminal processes the service type message, the SIP protocol layer of the mobile terminal indicates the current SIP process to the process information exchange layer, then the process information exchange layer of the mobile terminal sends a process state signaling to the process information exchange layer of the base station, the signaling can indicate the current SIP process state to the base station, and the base station manages the local stored SIP process state according to the received process state signaling.
The first embodiment is as follows:
the work done by the mobile terminal when implementing the above concept will be described in detail in this embodiment, please refer to fig. 1:
s101, when a mobile terminal processes a service message, an SIP protocol layer of the mobile terminal indicates a current SIP process to a process information exchange layer of the mobile terminal by sending a process signaling;
s102, the process information exchange layer of the mobile terminal sends a process state signaling to the base station.
The flow information traffic layer in this embodiment is located below the SIP protocol layer in the protocol stack, as long as the flow information traffic layer can send a flow state signaling to the base station. For example, the flow information exchange layer may be an RRC protocol layer.
The following detailed description will be given of the procedure signaling and procedure status signaling, taking the RRC protocol layer as the procedure information traffic layer as an example:
the flow signaling is a signaling sent by the SIP protocol layer of the mobile terminal to the RRC protocol layer of the mobile terminal, and is used for indicating the current SIP flow to the RRC protocol layer, and the type of the flow signaling is determined by the type of the service type message processed by the mobile terminal.
The process state signaling is a signaling sent to the base station by the RRC protocol layer of the mobile terminal after acquiring the current SIP process, and is used to notify the base station of the change of the current SIP process state in time, where the type of the signaling is related to the type of the process signaling received by the RRC protocol layer. In this embodiment, the service class message is divided into a request message and a response message:
when the mobile terminal actively initiates or receives the request message, the flow signaling sent to the RRC protocol layer by the SIP protocol layer of the mobile terminal is the request flow signaling, and the request flow signaling indicates the current SIP flow to the RRC protocol layer as the request flow.
After receiving the request flow signaling, the RRC protocol layer of the mobile terminal sends a first mobile terminal application layer state notification to the base station, where the first mobile terminal application layer state notification may notify the base station that the current SIP flow state is a starting state.
Similarly, when the mobile terminal actively initiates or receives the response message, the SIP protocol layer sends a response procedure signaling to the RRC protocol layer, and the response procedure signaling is used as a procedure signaling for indicating the current SIP procedure and can inform the RRC protocol layer of the mobile terminal: the current SIP flow is a response flow.
After receiving the response flow signaling, the RRC protocol layer of the mobile terminal sends a flow state signaling to the base station as a second mobile terminal application layer state notification, which may notify the base station that the current SIP flow state is an end state.
Example two:
in this embodiment, the work done by the base station side when the above concept is implemented will be described in detail, and a specific process is shown in fig. 2:
s201, a process information exchange layer of a base station receives a process state signaling sent by a mobile terminal;
s202, the base station manages the SIP process state stored locally according to the process state signaling, and manages the communication of the mobile terminal according to the SIP process state.
The flow information traffic layer in this embodiment is located below the SIP protocol layer in the protocol stack, as long as the flow information traffic layer can send a flow state signaling to the base station. Preferably, the flow information traffic layer is an RRC protocol layer.
Corresponding to the first embodiment, in this embodiment, the flow information exchange layer of the base station receives different types of flow state signaling, and since the type of the flow state signaling is related to the type of the service class message processed by the mobile terminal, the following description will be made with reference to an example, in which an RRC protocol layer is used as the flow information exchange layer:
when the service type message is a request message, the process state signaling is a first mobile terminal application layer state notification, and is used for indicating the current SIP process state as a starting state to the base station. And then the base station updates the SIP process state stored locally into an ongoing state according to the indication of the first mobile terminal application layer state notification.
When the service type message is a response message, the process state signaling is a second mobile terminal application layer state notification for indicating that the current SIP process state is an end state; and the base station updates the SIP flow state stored locally into an idle state according to the state notification of the application layer of the second mobile terminal.
Further, the base station may manage the communication of the mobile terminal based on the first mobile terminal application layer state notification or the second mobile terminal application layer state notification, e.g., by extending the time period before switching or releasing the session connection of the mobile terminal.
Preferably, in another flow state management method provided in this embodiment, please refer to fig. 3:
s301, before the mobile terminal initiates/receives the service type message, the base station initializes the SIP process state stored locally to an idle state;
when the mobile terminal establishes the default bearer with QCI of 5, the base station initializes the SIP flow corresponding to the mobile terminal to an IDLE state, and the stored flow state is indicated as 'UE-SIP-IDLE'.
S302, a process information exchange layer of the base station receives a process state signaling sent by the mobile terminal;
s303, the base station manages the SIP process state stored locally according to the process state signaling, and manages the communication of the mobile terminal according to the SIP process state.
When the service type message is a request message, the process status signaling received by the base station is a first mobile terminal application layer notification, which contains an indication of "SIP-START". And the base station updates the SIP PROCESS state stored locally to the proceeding state according to the indication of the state notification of the application layer of the first mobile terminal, for example, the base station can store the current PROCESS state as 'UE-SIP-PROCESS'.
And when the service type message is a response message, the process state signaling is a second mobile terminal application layer state notification used for indicating that the current SIP process state is an END state, wherein the notification comprises an indication of 'SIP-END', and the base station saves 'UE-SIP-IDLE' according to the second mobile terminal application layer state notification and updates the locally saved SIP process state to an IDLE state.
Example three:
the present embodiment provides a method for managing a process status, please refer to fig. 4:
s401, when the mobile terminal processes the service type message, the SIP protocol layer indicates the current SIP process to the process information exchange layer by sending a process signaling;
s402, the process information exchange layer of the mobile terminal sends a process state signaling to the base station;
s403, the process information exchange layer of the base station receives the process state signaling sent by the mobile terminal;
s404, the base station manages the SIP process state stored locally according to the process state signaling, and manages the communication of the mobile terminal according to the SIP process state.
Before S401, a process may be further included: when a mobile terminal establishes a default bearer with QCI of 5 in an EUTRAN cell, a base station initializes the SIP flow corresponding to the mobile terminal to an IDLE state, and the stored flow state is indicated as 'UE-SIP-IDLE'.
As in the previous embodiments, in the present embodiment, the flow information exchange layer is located below the SIP protocol layer in the protocol stack, and those skilled in the art should know that there are many flow information exchange layers, such as a commonly used RRC protocol layer, and the following description will take the RRC protocol layer as the flow information exchange layer as an example:
when the mobile terminal receives or initiates a request message, the SIP protocol layer of the mobile terminal sends a flow signaling to the RRC protocol layer of the mobile terminal, wherein the flow signaling is used for indicating that the current SIP flow is a request flow, and then the RRC protocol layer of the mobile terminal sends a flow state signaling corresponding to the request flow, namely a notification of a first mobile terminal application layer, wherein the notification of the first mobile terminal application layer comprises an indication of 'SIP-START'. And the base station updates the SIP PROCESS state stored locally to the proceeding state according to the indication of the state notification of the application layer of the first mobile terminal, for example, the base station can store the current PROCESS state as 'UE-SIP-PROCESS'.
When the mobile terminal receives or initiates a response message, the SIP protocol layer of the mobile terminal sends a flow signaling to the RRC protocol layer of the mobile terminal, which is used for indicating that the current SIP flow is a response flow, and then the RRC protocol layer of the mobile terminal sends a flow state signaling corresponding to the response flow, namely a notification of a second mobile terminal application layer, to the RRC protocol layer of the base station, wherein the notification of the second mobile terminal application layer contains an indication of 'SIP-END'. The base station updates the locally stored SIP flow state to an IDLE state according to the indication of the second mobile terminal application layer state notification, for example, the base station may store the current flow state as "UE-SIP-IDLE".
Example four:
an embodiment introduces a mobile terminal, as shown in fig. 5:
the mobile terminal 50 includes a SIP protocol layer 501 and a flow information traffic layer 502.
The SIP protocol layer 501 is configured to send a flow signaling to indicate a current SIP flow to the flow information exchange layer 502; the flow information traffic layer 502 is configured to receive the flow signaling sent by the SIP protocol layer 501, and send a corresponding flow state signaling for indicating the current SIP flow state to the base station according to the type of the flow signaling sent by the flow information traffic layer.
In the protocol stack, the flow information exchange layer is located below the SIP protocol layer, and preferably, the flow information exchange layer is an RRC protocol layer. The flow signaling sent by the SIP protocol layer 501 to the flow information exchange layer 502 is determined by the type of the service type message processed by the mobile terminal; when the service type message processed by the mobile terminal 50 is a request message, the SIP protocol layer 501 sends a flow signaling to the flow information exchange layer 502 to indicate that the current SIP flow is a request flow, and the flow information exchange layer 502 sends a flow state signaling to the base station to indicate the current SIP flow state. When the mobile terminal 50 receives or initiates a response message, the SIP protocol layer 501 sends a flow signaling to the flow information exchange layer 502 to indicate that the current SIP flow is a response flow, and the flow information exchange layer 502 sends a flow state signaling to the base station to indicate the current SIP flow state, where the flow state signaling corresponding to the response flow is a second mobile terminal application layer state notification, which includes an indication of "SIP-END".
Example five:
the present embodiment provides a base station, configured to cooperate with a mobile terminal provided in the fourth embodiment, please refer to fig. 6:
the base station 60 includes a flow information traffic layer 601 and a management module 602. The flow information exchange layer 601 of the base station can communicate with the flow information exchange layer of the mobile terminal, and obtain a flow state signaling from the flow information exchange layer of the mobile terminal, so that the base station 60 can know the current SIP flow state, and the management module 602 can manage the current SIP flow state and the communication of the mobile terminal. The management of the management module 602 differs according to the type of the flow state signaling, and when the flow state signaling received by the flow information traffic layer 601 of the base station 60 is the first mobile terminal application layer state notification containing the SIP-START indication, the management module needs to update the SIP flow state corresponding to the mobile terminal to "UE-SIP-PROCESS"; when the flow state signaling received by the flow information traffic layer 601 is the second mobile terminal application layer state notification containing the SIP-END indication, the management module needs to update the SIP flow state corresponding to the mobile terminal to "UE-SIP-IDLE".
In another preferred example of this embodiment, as shown in fig. 7, the base station 60 further includes a state initialization module 600, in addition to the flow information traffic layer 601 and the management module 602, for initializing the locally stored SIP flow state to an idle state before the mobile terminal initiates/receives the service class message.
Example six:
the embodiment provides a flow state management system, which includes a mobile terminal provided in the fourth embodiment and a base station provided in the fifth embodiment.
The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the invention is not to be considered limited to those descriptions. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (10)
1. A method for managing a process state, comprising:
when the mobile terminal processes the service type message, the SIP protocol layer indicates the current SIP flow to the flow information exchange layer by sending a flow signaling, the type of the flow signaling is determined by the type of the service type message, and the flow information exchange layer is positioned below the SIP protocol layer in a protocol stack;
and the process information exchange layer of the mobile terminal sends a process state signaling to the base station, wherein the type of the process state signaling is determined by the type of the process signaling and is used for indicating the current SIP process state.
2. The process state management method according to claim 1, wherein said process information traffic layer is an RRC protocol layer.
3. The process state management method according to claim 1 or 2, wherein the category of the service class message comprises: request message and response message:
when the service type message is a request message, the SIP protocol layer of the mobile terminal sends the flow signaling to the flow information exchange layer of the mobile terminal as a request flow signaling, and the request flow signaling is used for indicating that the current SIP flow is a request flow;
after receiving the request process signaling, the mobile terminal sends a process state signaling to the base station, wherein the process state signaling is a first mobile terminal application layer state notification used for indicating that the current SIP process state is a starting state;
when the service type message is a response message, the SIP protocol layer of the mobile terminal sends the flow signaling to the flow information exchange layer of the mobile terminal as a response flow signaling, and the response flow signaling is used for indicating that the current SIP flow is a response flow;
and after receiving the response process signaling, the mobile terminal sends a process state signaling to the base station, wherein the process state signaling is a second mobile terminal application layer state notification used for indicating that the current SIP process state is an end state.
4. A method for managing a process state, comprising:
a flow information exchange layer of a base station receives a flow state signaling sent by a mobile terminal, wherein in a protocol stack, the flow information exchange layer is positioned below an SIP protocol layer, the flow state signaling is used for indicating the current SIP flow state, the type of the flow state signaling is determined by the type of the flow signaling, and the type of the flow signaling is determined by the type of a service type message processed by the mobile terminal;
and the base station manages the SIP flow state locally stored according to the flow state signaling, and manages the communication of the mobile terminal according to the SIP flow state.
5. The process state management method according to claim 4, wherein said process information traffic layer is an RRC protocol layer.
6. The process state management method according to claim 4 or 5, wherein the category of the service class message comprises: request message and response message:
when the service type message is a request message, the process state signaling is a first mobile terminal application layer state notification for indicating that the current SIP process state is a starting state; the base station updates the SIP process state stored locally to an ongoing state according to the state notification of the application layer of the first mobile terminal;
when the service type message is a response message, the process state signaling is a second mobile terminal application layer state notification for indicating that the current SIP process state is an end state; and the base station updates the SIP process state stored locally into an idle state according to the state notification of the application layer of the second mobile terminal.
7. A method for managing a process state, comprising:
when a mobile terminal processes service type messages, an SIP protocol layer of the mobile terminal indicates a current SIP process to a process information exchange layer of the mobile terminal by sending a process signaling, wherein the type of the process signaling is determined by the type of the service type messages, and the process information exchange layer is positioned below the SIP protocol layer in a protocol stack;
the flow information exchange layer of the mobile terminal sends a flow state signaling to the flow information exchange layer of the base station, wherein the type of the flow state signaling is determined by the type of the flow signaling and is used for indicating the current SIP flow state;
the process information exchange layer of the base station receives a process state signaling sent by the mobile terminal;
and the base station manages the SIP flow state locally stored according to the flow state signaling, and manages the communication of the mobile terminal according to the SIP flow state.
8. A mobile terminal, comprising:
the SIP protocol layer is used for sending a flow signaling to indicate the current SIP flow to the flow information exchange layer of the mobile terminal, and the flow signaling is determined by the type of the service type message processed by the mobile terminal;
a flow information alternating layer for receiving the flow signaling sent by the SIP protocol layer and sending a corresponding flow state signaling for indicating the current SIP flow state to a base station according to the type of the flow signaling; in the protocol stack, the flow information exchange layer is located below the SIP protocol layer.
9. A base station, comprising:
the system comprises a flow information alternating layer and a flow information receiving layer, wherein the flow information alternating layer is used for receiving a flow state signaling sent by a mobile terminal, and the flow state signaling is used for indicating the flow state signaling of the current SIP flow state; in the protocol stack, the flow information exchange layer is positioned below the SIP protocol layer;
and the management module is used for managing the SIP flow state stored locally according to the flow state signaling and managing the communication of the mobile terminal according to the SIP flow state.
10. A process state management system, comprising: the mobile terminal according to claim 8 and the base station according to claim 9.
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| WO2009018418A2 (en) * | 2007-07-31 | 2009-02-05 | Tekelec | Systems, methods, and computer program products for distributing application or higher layer communications network signaling entity operational status information among session initiation protocol (sip) entities |
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| US9510217B2 (en) * | 2013-05-28 | 2016-11-29 | Qualcomm Incorporated | Method and apparatus for enhanced application signaling from a wireless communications device |
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