US9271132B2 - Service processing method, a baseband processor chip and a terminal - Google Patents

Service processing method, a baseband processor chip and a terminal Download PDF

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US9271132B2
US9271132B2 US13/989,030 US201113989030A US9271132B2 US 9271132 B2 US9271132 B2 US 9271132B2 US 201113989030 A US201113989030 A US 201113989030A US 9271132 B2 US9271132 B2 US 9271132B2
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domain
processing
service
receiving
domain service
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US20130315151A1 (en
Inventor
Zhi Zhang
Jiwu Liu
Xianliang CHEN
Xichun Gao
Yuan Xu
Wenbo Lu
Ma Zhang
Yingping Hu
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Spreadtrum Communications Shanghai Co Ltd
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Spreadtrum Communications Shanghai Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
    • H04W36/00224—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies between packet switched [PS] and circuit switched [CS] network technologies, e.g. circuit switched fallback [CSFB]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H04W60/04—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration using triggered events
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/12—Inter-network notification
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/183—Processing at user equipment or user record carrier

Definitions

  • Embodiments of the present disclosure relate to communication techniques, and more particularly, to a service processing method, a baseband processor chip and a terminal.
  • GPRS General Packet Radio Service
  • GSM Global System for Mobile Communication
  • a terminal of Class A can be attached to a GPRS network and a GSM network simultaneously, and supports the concurrent operation of a packet switched (PS) domain service and a GSM voice service. It is possible to browse a network and receive/send an email while a voice call is proceeding, that is, voice calling and data transmission can be performed simultaneously.
  • PS packet switched
  • a terminal of class B can be attached to a GPRS network and a GSM network simultaneously, but it does not support the concurrent operation of a PS domain service and a GSM voice service, and can only operate one service at a certain time. Handover between a PS domain service and a GSM voice service can be realized through signaling. For example, PS domain data transmission is temporarily suspended when a call request is initiated by a terminal user, and is resumed after the completion of the call.
  • a terminal of Class B is unable to receive a GSM service message, such as a voice call or a SMS message while receiving a PS domain data transmission.
  • a terminal of Class C only supports PS domain services but not GSM voice services.
  • a terminal of Class C is primarily applied in a GPRS modem, and is not used for PS domain service requests.
  • terminals of Class A needs a large amount of Central Processing Unit (CPU) bandwidth, which results in high cost and expensive price. Accordingly, terminals of Class A are uncommon on the current market. Terminals of Class C are not suitable for PS domain service requests, and thus most of the GPRS terminals available on the current market are terminals of Class B.
  • CPU Central Processing Unit
  • a terminal of Class B does not support the concurrent processing of a PS domain service and a Circuit Switched (CS) domain service, when the terminal of Class B is engaged in a continuous reception/transmission of PS domain data during the process of a PS domain service, it is unable to process a CS domain service.
  • CS Circuit Switched
  • a terminal of Class B is continuously receiving PS domain data
  • the call request can not be admitted to the called terminal, and the called terminal does not present any prompt except to the called user while the calling terminal will receive a prompt that “the number you dialed is engaged”, which may impacts the success admission rate of a GMS voice service consequently.
  • the missed call reminder platform is unable to send a SMS message notifying an incoming call to the called terminal, and until the called terminal has stopped receiving the PS domain data, the missed call reminder platform can send to the called terminal the SMS message, notifying the called user of the calling number, the calling time and other information of that call the SMS message. If the missed call reminder service is not turned on, the called user cannot be informed about the missed call at all, leading to serious impacts on user experience about the service.
  • the technical problem to be addressed in embodiments of this invention is to provide a service processing method, a baseband processor chip and a terminal, enabling a terminal of Class B to process a CS domain service during the reception/transmission of PS domain data.
  • a service processing method comprising:
  • a baseband processor chip is provided in an embodiment of this invention, comprising:
  • a mobile terminal comprising a RF chip and a baseband processor chip for, in response to a need for processing a CS domain service, identifying whether PS domain data that is being received/transmitted in a currently processed PS domain service is critical data for maintaining the QoS level of the PS domain service; and in response to that the PS domain data received/transmitted is not critical data, suspending the processing of the PS domain service and processing the CS domain service.
  • the baseband processor chip and the terminal provided in the above embodiments of this invention, when a terminal requires to process a CS domain service, whether PS domain data being received/transmitted in a currently processed PS domain service is critical data for maintaining the QoS Level of the PS domain service is identified, if the PS domain data being received/transmitted is not critical data, the processing of the PS domain service is suspended and the CS domain service is processed.
  • the problem of unable to process a CS domain service during the processing of a PS domain service on a terminal of Class B in the prior art can be solved.
  • the terminal of Class B is enabled to process a CS domain service during its reception/transmission of PS domain data, so that user experiment about the CS domain service and the QoS level of the CS domain service can be improved; in addition, because the PS domain data being received/transmitted is not critical data, suspending the processing of the current PS domain service will not cause the degradation in QoS level of the PS domain service, such as, a break of the PS domain service or a significant decrease in data transmission speed of PS domain data.
  • FIG. 1 is a flowchart of a service processing method according to an embodiment of this invention
  • FIG. 2 is a flowchart of a service processing method according to another embodiment of this invention.
  • FIG. 3 is a flowchart of a service processing method according to still another embodiment of this invention.
  • FIG. 4 is a flowchart of a service processing method according to still another embodiment of this invention.
  • FIG. 5 is a schematic structure diagram of a baseband processor chip according to an embodiment of this invention.
  • FIG. 6 is a schematic structure diagram of a terminal according to an embodiment of this invention.
  • FIG. 1 is a flowchart of a service processing method according to an embodiment of this invention. As shown in FIG. 1 , the service processing method of this embodiment comprises the following steps:
  • identifying whether PS domain data that is being received/transmitted in a PS domain service currently processed by the terminal is critical data for maintaining a QoS level of the PS domain service.
  • the CS domain service may be any CS domain service in various existing communication networks, for example, a CS domain service in a GSM network, including but not limited to, a calling service, such as a voice calling and video calling service, a short message service, and a multimedia service, etc.
  • a calling service such as a voice calling and video calling service, a short message service, and a multimedia service, etc.
  • the PS domain service herein may be a download or upload service on a mobile communication network, including the reception/transmission of PS domain data, such as instant messaging, webpage browse, multimedia message sending and download, etc.
  • the critical data is used to maintain the QoS level of the PS domain service, for example data for continuing the PS domain service or keeping the PS domain data transmission rate thereof, wherein the PS domain service can not be continued or the data transmission rate may have a significant decrease if the critical data is lost.
  • the critical data may be data specified in a communication protocol, or user-specified data, for example uplink polling data transmitted by a GSM terminal, particular signaling involved in a PS domain service specified in a communication protocol or by a user.
  • the processing of the PS domain service can be resumed to avoid a break in the data service or data loss, and thus to achieve the continuousness of the PS domain service.
  • the reception/transmission of critical data is prior to the processing of the CS domain service. Then, in the embodiment of the invention shown in FIG. 1 , if the PS domain data that is being received/transmitted is critical data, the processing of the PS domain service is continued to receive/transmit the PS domain data, and no CS domain service is processed during the reception/transmission of critical data.
  • the CS domain service in this embodiment of the invention includes, but not limited to, a CS domain paging message, a broadcast message, a location area update, etc.
  • the need for processing the CS domain service by the terminal may particularly comprise: a need for receiving a CS domain service message by the terminal, such as a CS domain paging message, a broadcast message, or a need for processing a specific CS domain service, for example, a service such as location area updating.
  • Processing the CS domain service may correspondingly comprise: receiving and processing a CS domain paging message, receiving and processing a broadcast message, performing location area update for a user card of the terminal and etc.
  • the criteria of requiring a CS domain paging message to be received may comprise: reaching a paging message receiving time specified by a paging period, or a paging indictor indicates the requirement of receiving a paging message.
  • the terminal is believed to receive and process a CS domain paging message when it is the time to receive a paging message as specified by a paging period, or when it is required to receive a paging message as indicated by a paging indicator.
  • a terminal requires to receive a paging message on a paging indicator channel (PICH) at a time for paging message reception specified by a paging period, when the terminal in the embodiment of this invention is a GSM terminal, a CS domain paging message is required to be received and processed when it is the time to receive a paging message as specified by a paging period.
  • PICH paging indicator channel
  • FIG. 2 is a flowchart of a service processing method according to another embodiment of this invention.
  • the CS domain service is a CS domain paging message as an example.
  • the service processing method of this embodiment comprises the following steps:
  • a terminal In response to that a terminal needs to receive and process a CS domain paging message, identify whether PS domain data that is being received/transmitted in a PS domain service currently processed by the terminal is critical data for maintaining a QoS level of the PS domain service. If the PS domain data that is being received/transmitted is not critical data, step 202 is executed; otherwise, if the PS domain data that is being received/transmitted is critical data, the processing of the PS domain service is continued.
  • step 204 is executed. If a CS domain communication service is required to be processed, step 205 is executed. Otherwise, if it is not required to receive a broadcast message or to process a CS domain communication service, step 206 is executed.
  • Step 206 is executed after the receiving and processing of the broadcast message is completed.
  • step 204 may comprise: receiving a broadcast message, and identifying whether the location area the terminal is located in has changed according to information within the broadcast message; if the location area the terminal is located in has changed, performing location area update for a user card of the terminal.
  • Step 206 is executed after the location area update is completed.
  • the processing of the PS domain service can be suspended, and a CS domain paging message or a broadcast message can be received, based on which a location area update can be performed for a user card of the terminal, to keep synchronization between the user card and the mobile communication network, so that dropped network connection can be prevented for the user card, and the success rate of a subsequent communication service can be effectively guaranteed.
  • Step 206 is executed after the CS domain communication service is completed.
  • a CS domain paging message can be received and a CS domain communication service can be processed, to support the processing of the CS domain service during the processing of the PS domain service.
  • the QoS level of the PS domain service can be effectively guaranteed, the normal processing of the CS domain service can be guaranteed also, so that the QoS and the success rate of the CS domain service can be improved.
  • the processing of the PS domain service can be resumed after the processing of the CS domain paging message is completed to avoid a break in the PS domain service or PS domain data loss, and achieve the continuousness of the PS domain service.
  • FIG. 3 is a flowchart of a service processing method according to still another embodiment of this invention.
  • the service processing method of this embodiment comprises the following steps:
  • step 302 In response to a current time for receiving a broadcast message according to a time interval specified in a communication protocol, identify whether PS domain data that is being received/transmitted in a PS domain service currently processed by the terminal is critical data for maintaining the QoS level of the PS domain service. If the PS domain data that is being received/transmitted is not critical data, step 302 is executed; otherwise, if the PS domain data that is being received/transmitted is critical data, the processing of the PS domain service is continued.
  • step 304 is executed; otherwise, if the location area the terminal is located in has not changed, step 305 is executed.
  • step 305 is executed.
  • a broadcast message can be received, and location area update can be performed for the user card of the terminal accordingly, to keep synchronization between the user card and the mobile communication network, so that dropped network connection can be prevented for the user card, and the success rate of a subsequent communication service can be effectively guaranteed.
  • the processing of the PS domain service can be resumed after the broadcast message is received and processed to avoid a break in the PS domain service or PS domain data loss, and achieve the continuousness of the PS domain service.
  • FIG. 4 is a flowchart of a service processing method according to still another embodiment of this invention.
  • the CS domain service is location area update as an example.
  • the service processing method of this embodiment comprises the following steps.
  • step 402 In response to a current time for performing location area update according to a time interval specified by a communication protocol, identify whether PS domain data that is being received/transmitted in a PS domain service currently processed by the terminal is critical date for maintaining the QoS level of the PS domain service. If the PS domain data that is being received/transmitted is not critical data, step 402 is executed; otherwise, if the PS domain data that is being received/transmitted is critical data, the processing of the PS domain service is continued.
  • step 403 Suspend the PS domain service, and perform location area update for a user card of the terminal, after which step 403 is executed.
  • location area update can be performed for the user card of the terminal, to keep synchronization between the user card and the mobile communication network, so that dropped network connection can be prevented for the user card, and the success rate of a subsequent communication service can be effectively guaranteed.
  • the processing of the PS domain service can be resumed after the location area update is completed for the user card of the terminal, to avoid a break in the PS domain service or PS domain data loss, and achieve the continuousness of the PS domain service.
  • FIG. 5 is a schematic structure diagram of a baseband processor chip according to an embodiment of this invention.
  • the baseband processor chip of this embodiment can be used to realize the corresponding flow of a service processing method according to the various embodiments above of this invention. As shown in FIG. 5 , it comprises a first service processing unit 501 , a second service processing unit 502 , a monitor unit 503 , an identification unit 504 , and a scheduling unit 505 .
  • the first service processing unit 501 is used to process a CS domain service.
  • the second service processing unit 502 is used to process a PS domain service.
  • the monitor unit 503 is used to monitor whether a CS domain service is required to be processed by the first service processing unit 501 , for example, a CS domain paging message, a broadcast message, a location area update, etc.
  • the identification unit 504 is used to according to the monitor result of the monitor unit 503 , in response to that the first service processing unit 501 needs to process a CS domain service, identify whether PS domain data being received/transmitted in the PS domain service that is currently processed by the second service processing unit 502 is critical data for maintaining the QoS level of the PS domain service.
  • the PS domain service may be a download or upload service on a mobile communication network, including a process of receiving/transmitting PS domain data, such as instant messaging, webpage browsing, multimedia message transmission and download, etc.
  • critical data is used to maintain the QoS level of the PS domain service, for example data for continuing the PS domain service or keeping the PS domain data transmission rate thereof, wherein the PS domain service cannot be continued or the data transmission rate may have a significant decrease if the critical data is lost.
  • the critical data may be data specified in a communication protocol, or user-specified data.
  • the scheduling unit 505 is used to, according to the result of the identification unit 504 , in response to that the PS domain data being received/transmitted by the second service processing unit 502 is not critical data, instruct the second service processing unit 502 to suspend the processing of the PS domain service, and instruct the first service processing unit 501 to process the CS domain service.
  • the baseband processor chip of the above embodiment of the invention may identify whether PS domain data that is being received/transmitted in a currently processed PS domain service is critical data for maintaining the QoS level of the PS domain service, if the PS domain data that is being received/transmitted is not critical data, the processing of the PS domain service is suspended and the CS domain service is processed, to enable a terminal of Class B to process the CS domain service during the reception/transmission of the PS domain data, so that service quality and user experiment about the CS domain service can be improved; in addition, because the PS domain data that is being received/transmitted is not critical data, suspending the processing of the current PS domain service can not cause the degradation in quality of the PS domain service, such as, the break in the PS domain service or a significant decrease in data transmission speed thereof, so that the service quality of the PS domain service can be effectively guaranteed.
  • the scheduling unit 505 is further used to, after the CS domain service has been processed by the first service processing unit 501 , instruct the second service processing unit 502 to resume the processing of the PS domain service to avoid a break in the PS domain service or PS domain data loss, and thus to achieve the continuousness of the PS domain service.
  • receiving/transmitting critical data by the second service processing unit 502 is prior to processing the CS domain service by the first service processing unit 501 , that is, the first service processing unit 501 does not process a CS domain service during the process of receiving/transmitting critical data by the second service processing unit 502 .
  • the CS domain service comprises, but not limited to, a CS domain paging message, a broadcast message, location area update etc.
  • a need for processing a CS domain service by the first service processing unit 501 may particularly comprise: a need for receiving a CS domain service message by the first service processing unit 501 , such as, a CS domain paging message, a broadcast message, or a need for processing a specific CS domain service, for example, location area update and other services.
  • Processing a CS domain service by the first service processing unit 501 may correspondingly comprise: by the first service processing unit 501 , receiving and processing a CS domain paging message, receiving and processing a broadcast message, performing location area update for a user card of the terminal and the like.
  • the CS domain service required to be processed is a CS domain paging message
  • the first service processing unit 501 is required to receive and process a CS domain paging message when it is the time to receive a paging message as specified by a paging period, or when a paging indicator indicates that it is required to receive a paging message.
  • the first service processing unit 501 when it receives and processes a CS domain paging message, it can particularly identify, according to information within the CS domain paging message, whether it is required to receive a broadcast message or to process a CS domain communication service; in response to a need for receiving a broadcast message, the broadcast message is received and processed; in response to a need for processing a CS domain communication service, for example, a call request service, a short message service, a multimedia message service, the CS domain communication service is processed.
  • a CS domain communication service for example, a call request service, a short message service, a multimedia message service
  • receiving and processing a broadcast message by the first service processing unit 501 may particularly comprise: receiving a broadcast message, and identifying whether the location area the terminal is located in has changed according to information within the broadcast message; in response to a change of the location area the terminal is located in, performing location area update for a user card of the terminal.
  • the first service processing unit 501 may receive a CS domain paging message or a broadcast message, and perform location area update for the user card of the terminal accordingly, to keep synchronization between the user card and the mobile communication network, so that dropped network connection can be prevented for the user card, and the success rate of a subsequent communication service can be effectively guaranteed.
  • a need for processing a CS domain service by the first service processing unit 501 may further comprise a time that is coming for receiving a broadcast message or performing location area update according to a time interval specified in a communication protocol.
  • processing a CS domain service by the first service processing unit 501 comprises: receiving and processing the broadcast message, or performing location area update for the user card of the terminal.
  • FIG. 6 is a schematic structure diagram of a terminal according to an embodiment of this invention.
  • the terminal provided in this embodiment may be a terminal of Class B, which employs a single RF single baseband scheme to achieve the flows of the service processing methods according to the various above embodiments of this invention.
  • it comprises a RF chip 1 and a baseband processor chip 2 .
  • the RF chip 1 is used to realize the reception and transmission of data or a message between the baseband processor chip 2 and a communication network, for example, to forward PS domain data between a General Packet Radio Service (GPRS) network and the second service processing unit 502 of the baseband processor chip 2 , to forward a CS domain service message, CS domain service data etc between a GMS network and the first service processing unit 501 of the baseband processor chip 2 .
  • GPRS General Packet Radio Service
  • the baseband processor chip 2 is used to in response to a need for processing a CS domain service, identify PS domain data that is being received/transmitted in a currently processed PS domain service is critical data for maintaining the QoS level of the PS domain service, and in response to the PS domain data being received/transmitted is not critical data, suspend the processing of the PS domain service and process the CS domain service.
  • the baseband processor chip 2 may particularly comprise the baseband processor chip provided in any embodiment shown in FIG. 5 , and is realized with the structure of the embodiment shown in FIG. 5 of this invention.
  • the baseband processor chip 2 can identify whether PS domain data that is being received/transmitted in a currently processed PS domain service is critical data, if the PS domain data that is being received/transmitted is not critical data, the processing of the PS domain service is suspended and the CS domain service is processed.
  • a terminal of Class B it is enabled to process the CS domain service during the reception/transmission of the PS domain data, so that service quality and user experiment about the CS domain service can be improved; in addition, because the PS domain data that is being received/transmitted is not critical data, suspending the processing of the current PS domain service will not cause the degradation in QoS level of the PS domain service, such as, a break in the PS domain service or a significant decrease in data transmission speed thereof, so that the service quality of the PS domain service can be effectively guaranteed.
  • embodiments of this invention may not be necessarily implemented by or limited to the component units of the baseband processor chip and the terminal in various above embodiments of this invention, for example, the terminal may be further provided with user card slots, a display, a keyboard, an antenna or other peripheral devices according to actual requirements.
  • the component units of the baseband processor chip may be further distributed into other component units of the terminal according to actual requirements.
  • the component units of the baseband processor chip several component units can be combined into a single unit, or a component unit can be divided into several subunits.
  • connection relationships between various component units of the baseband processor chip, and the connection relationships between the component units of the baseband processor chip and other component units of the terminal merely represent exemplary information flow directions, but not physical connection relationships, and are not necessarily required or limitations for the implementation of the embodiments.
  • some or all steps of the above method embodiments can be realized by program instructions related hardware, the program aforementioned can be stored in a computer readable storage medium, the program, when executed, may execute steps of the above method embodiments; the storage medium aforementioned includes ROM, RAM, magnetic disc or optical disc and other mediums capable of storing program code.
  • the embodiments of this invention enable a terminal of Class B to process a CS domain service during the process of receiving/transmitting PS domain data, so that service quality and user experiment of the CS domain service can be improved; in addition, because the PS domain data that is being received/transmitted is not critical data, suspending the processing of the current PS domain service will not cause the degradation in QoS level of the PS domain service, such as, the break of the PS domain service or a significant decrease in data transmission speed thereof, so that the service quality of the PS domain service can be effectively guaranteed.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
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