WO2012058797A1

WO2012058797A1 - Method, device and mobile terminal for data transmission

Info

Publication number: WO2012058797A1
Application number: PCT/CN2010/078323
Authority: WO
Inventors: 倪慧; 李岩
Original assignee: 华为技术有限公司
Priority date: 2010-11-02
Filing date: 2010-11-02
Publication date: 2012-05-10
Also published as: CN102742337A; CN102742337B

Abstract

A method, device and mobile terminal for data transmission are provided in the embodiments of the present invention. Said method includes: a paging control equipment broadcasts a paging message by the base station of the paging group, in which the mobile terminal in idle mode currently exists, said paging message includes paging indication information so that said mobile terminal can send a communication request to the paging control equipment through a control channel; said paging control equipment sends the required downlink data to said mobile terminal through said control channel.

Description

Data transmission method and device, mobile terminal

The embodiments of the present invention relate to the field of mobile communications technologies, and in particular, to a data transmission method and apparatus, and a mobile terminal. Background technique

Due to the power limitation of the mobile terminal and the shortage of the wireless spectrum resources, the mobile terminal that does not perform data transmission for a long time may enter a power saving state called idle mode, and release the channel transmission channel resource and the data transmission bearer. When the network side sends data to the idle mode mobile terminal, it first needs to request the paging control device to broadcast the paging message through the base station in the paging group where the mobile terminal is currently located. After receiving the paging message, the mobile terminal performs an idle mode exit procedure to exit the idle mode and re-enter the network, so that the network side can re-allocate the air transport channel resources and establish a data transmission bearer for the mobile terminal. After the mobile terminal exits the idle mode, the network side can transmit data to the mobile terminal through the transport channel.

In the prior art, when the network sends data to the mobile terminal in the idle mode, the mobile terminal needs to be paged to perform the idle mode exit process, and the signaling mode of the idle mode exit process is more, and the network side signaling processing is added. The burden and increase in data transmission delay. Summary of the invention

Embodiments of the present invention provide a data transmission method and apparatus, and a mobile terminal, which are used to reduce data transmission delay and save network resources.

The embodiment of the invention provides a data transmission method, including:

The paging control device broadcasts a paging message by the base station in the paging group where the mobile terminal is currently in the idle mode, where the paging message includes paging indication information, so that the mobile terminal controls the paging through the control channel. The device sends a communication request; The paging control device sends the acquired downlink data to the mobile terminal by using the control channel.

The embodiment of the invention further provides a data transmission device, including:

a paging module, configured to broadcast a paging message by a base station in a paging group where the mobile terminal currently in the idle mode is located, where the paging message includes paging indication information, so that the mobile terminal sends the paging information to the Calling the control device to send a communication request;

And a transmission module, configured to send the acquired downlink data to the mobile terminal by using the control channel. The embodiment of the invention further provides a mobile terminal, including:

a receiving module, configured to receive a paging message broadcast by the paging control device by the base station in the paging group where the mobile terminal is currently located, where the paging message includes paging indication information;

a sending module, configured to send a communication request to the paging control device by using a control channel, and an acquiring module, configured to acquire, by using the control channel, downlink data sent by the paging control device.

According to the foregoing technical solution, when the network side sends the downlink data to the mobile terminal in the idle mode, the embodiment of the present invention instructs the mobile by the paging indication information carried by the paging control device in the paging message sent to the mobile terminal. The terminal sends a communication request to the paging control device by using the control channel, and sends the acquired downlink data to the mobile terminal by using the control channel, thereby preventing the mobile terminal from exiting the idle mode, thereby reducing data transmission delay and saving network resources. . DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any creative work.

1 is a schematic flowchart of a data transmission method according to Embodiment 1 of the present invention;

2 is a schematic flowchart of a data transmission method according to Embodiment 2 of the present invention; 3 is a schematic flowchart of a data transmission method according to Embodiment 3 of the present invention; FIG. 4 is a schematic flowchart of a data transmission method according to Embodiment 4 of the present invention;

FIG. 5 is a schematic flowchart of a data transmission method according to Embodiment 5 of the present invention;

6 is a schematic structural diagram of a data transmission apparatus according to Embodiment 6 of the present invention;

7 is a schematic structural diagram of a data transmission apparatus according to Embodiment 7 of the present invention;

8 is a schematic structural diagram of a mobile terminal according to Embodiment 8 of the present invention;

FIG. 9 is a schematic structural diagram of a mobile terminal according to Embodiment 9 of the present invention. detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

FIG. 1 is a schematic flowchart of a data transmission method according to Embodiment 1 of the present invention. As shown in FIG. 1, the data transmission method in this embodiment may include the following steps:

Step 101: The paging control device broadcasts a paging message by the base station in the paging group where the mobile terminal in the idle mode is currently located, where the paging message includes paging indication information, so that the mobile terminal controls the paging through the control channel. The device sends a communication request;

Specifically, before the step, the paging control device may obtain the downlink data indication, and according to the downlink data indication, the base station in the paging group currently in the idle mode of the mobile terminal broadcasts the paging message, or may obtain the downlink data, according to Determining, by using the control channel, the downlink data, using the control channel, to send the downlink data to the mobile terminal in the idle mode, and the base station in the paging group in the idle mode to broadcast the paging message, or The characteristic information determines that the downlink data is sent to the mobile terminal by using a control channel, and sends downlink data to the paging control device, so that the paging control device acquires the downlink data.

The downlink data may include, but is not limited to, a short message and a downlink IP data message. Step 102: The paging control device sends the acquired downlink data to the mobile terminal by using the control channel.

Further, after the step 102, the paging control device may further obtain data acknowledgement information from the mobile terminal by using the control channel, where the data acknowledgement information may include, but is not limited to, short message acknowledgement information, uplink IP data packet, and short message. Answer the message.

In this embodiment, when the network side sends the downlink data to the mobile terminal in the idle mode, the paging control information carried by the paging control device in the paging message sent to the mobile terminal indicates that the mobile terminal uses the control channel to The paging control device sends a communication request, and sends the acquired downlink data to the mobile terminal by using the control channel, thereby preventing the mobile terminal from exiting the idle mode, thereby reducing data transmission delay and saving network resources.

The data transmission method of this embodiment can be applied to various communication networks, for example, a network such as a microwave access network and a 3rd Generation Partnership Project (3GPP) network.

The paging control device can be an anchor paging controller in the WiMAX network.

(Anchor PC), which can also be a Mobile Switching Center (MSC), a Mobility Management Entity (MME), and a General Packet Radio Service (General Packet) in a 3GPP network. Radio Service (referred to as GPRS) Network element such as Serving GPRS Supporting Node (SGSN).

The gateway device may be a network element such as a foreign agent (FA) in the WiMAX network.

The paging group refers to a paging range composed of one or more base stations, and may correspond to a paging group in a WiMAX network, and may also correspond to a routing area and a tracking area in the 3GPP network. (Tracking Area, referred to as TA) list (list) and so on.

The control channel refers to the air interface transmission that the terminal in the idle mode can use for transmitting control signaling. The transmission resource may be a dedicated channel or a shared channel, for example: Initial Raging Connection in WiMAX network, basic connection, Common Control Channel in 3GPP network (Common Control Channel, short for CCCH), Dedicated Control Channel (DCCH), etc.

2 is a schematic flowchart of a data transmission method according to Embodiment 2 of the present invention. In a Wimax network, the present embodiment is applicable to a scenario in which a short message service (SMS) is sent to a mobile terminal in an idle mode. As shown in FIG. 2, the data transmission method in this embodiment may include the following steps:

Step 201: The short message server (SMS Server) sends a short message request (SMS req) message to the authenticator (Authenticator), where the short message request message includes the short message and the identification information of the destination mobile terminal of the short message;

The identification information of the mobile terminal may be a network access identifier (NAI), an IP address, a media access control (MAC) address, a phone number, and the like of the mobile terminal.

Step 202: The authenticator learns that the destination mobile terminal of the short message is in an idle mode according to the state information of the mobile terminal that is stored by itself, and sends an initial paging request (lnitial_Paging_Req) to the anchored paging controller corresponding to the mobile terminal. a message, configured to indicate that the anchored paging controller pages the mobile terminal, where the initial paging request message includes a downlink data indication;

The downlink data indication may be a short message indication (SMS indicator); or may be a location update indicator (Location Update indicator);

Step 203: The anchored paging controller sends an initial paging response (lnitial_Paging_Rsp) message to the authenticator.

Optionally, after step 203, the authenticator may further send a short message response (SMS rsp) message to the short message server, to indicate that the short message request message is received.

Step 204: The anchored paging controller sends a paging advertisement (Paging_Announce) message to the base station in the paging group where the destination mobile terminal of the short message is located, to indicate the original paging. For the purpose of paging or paging, the paging advertisement message includes the identification information of the mobile terminal and the paging indication information;

The paging indication information may be a short message transmission indicator (SM transport indicator), which is used to indicate that the reason for paging is short message transmission; or may be a location update indicator to indicate paging. The purpose is to require the mobile terminal to perform location update. Specifically, if the paging indication information in this step is a location update indication, the downlink data indication in the foregoing step 202 is correspondingly a location update indication.

Step 205: The base station in the paging group broadcasts a paging broadcast (MOB_PAG_ADV) message in the coverage area, where the paging broadcast message includes the identifier information of the mobile terminal and the paging indication information.

Step 206: The mobile terminal sends a measurement request (RNG_REQ) message to the corresponding base station by using an initial measurement connection ( Initial Ranging Connection) according to the paging indication information, where the measurement request message includes the security authentication information of the mobile terminal and the mobile terminal. The identifier of the anchored paging controller;

Step 207: The base station sends a location update request (LU_Req) message to the anchored paging controller corresponding to the identifier of the anchored paging controller.

The location update request message may be forwarded through multiple gateways.

Step 208: The anchored paging controller sends a context request (Context_Req) message to the corresponding identifier of the mobile terminal, to obtain a security context of the mobile terminal.

Step 209: The authenticator sends a context response (Context_Rsp) message to the anchored paging controller, where the context response message includes a security context of the mobile terminal and the foregoing short message. Step 210: The anchored paging controller is configured according to the foregoing The security authentication information of the mobile terminal and the security context of the mobile terminal are used to perform security authentication on the mobile terminal;

Step 211: After the security authentication, the anchored paging controller sends a location update response (LU_Rsp) message to the base station, where the location update response message includes the short message;

Step 212: The base station moves to the mobile terminal through an Initial Ranging Connection The terminal sends a measurement response (RNG_RSP) message, and the measurement response message includes the short message.

At this point, the mobile terminal in the idle mode acquires the short message sent by the network side.

Optionally, in this embodiment, the mobile terminal may further send the short message acknowledgement information to the base station by using a measurement request (RNG_REQ) message; the base station further sends the short message to the anchored paging controller by using a location update acknowledgement (LU_Ack) message. Acknowledgement information; the anchored paging controller further sends a short message acknowledgement message to the authenticator via a context acknowledgement (Context_Ack) message; the authenticator further sends a short message acknowledgement message to the short message server via a short message acknowledgement (SMS confirm) message .

In this embodiment, when the network side sends a short message to the mobile terminal in the idle mode, the paging indicator information carried in the paging advertisement message sent by the anchored paging controller to the mobile terminal indicates the mobile terminal. Sending a measurement request message to the anchored paging controller by using the initial measurement connection, and transmitting the obtained short message to the mobile terminal by using the initial measurement connection, thereby preventing the mobile terminal from exiting the idle mode, thereby reducing the data transmission delay , saving network resources.

3 is a schematic flowchart of a data transmission method according to Embodiment 3 of the present invention. This embodiment is applicable to a scenario in which a network side sends a downlink data packet to a mobile terminal in an idle mode in a Wimax network, as shown in FIG. 3, The data transmission method of this embodiment may include the following steps:

Step 301: The Home Agent (HA) sends a downlink IP data packet to the foreign agent (FA), where the downlink IP data packet includes the destination IP address. Step 302: The FA according to the destination IP address. Obtaining that the mobile terminal corresponding to the destination IP address is in an idle mode, and determining, according to the feature information (for example, service type and/or size) of the downlink IP data packet, that the downlink data is sent to the mobile terminal by using a control channel, to the The anchor paging controller corresponding to the mobile terminal sends an initial paging request (lnitial_Paging_Req) message, which is used to indicate that the anchored paging controller pages the mobile terminal, and the initial paging request message includes the downlink IP data. Message

Step 303: The anchored paging controller sends an initial paging response to the FA. ( lnitial_Paging_Rsp ) message;

Step 304: The anchored paging controller sends a paging advertisement (Paging_Announce) message to the base station in the paging group where the destination mobile terminal of the downlink IP data packet is currently located, to indicate the reason of the paging or the purpose of paging. The paging advertisement message includes the identification information of the mobile terminal and the paging indication information;

The paging indication information may be a data transport indicator, which is used to indicate that the reason for paging is data transmission, or may be a location update indicator, which is used to indicate that the purpose of the paging is The mobile terminal is required to perform a location update.

Step 305: The base station in the paging group broadcasts a paging broadcast in each coverage area.

(AAI_PAG_ADV) message, the paging broadcast message includes the identification information of the mobile terminal and the paging indication information;

Step 306: The mobile terminal sends a measurement request (AAI_RNG_REQ) message to the corresponding base station according to the paging indication information, and the measurement request message includes the security authentication information of the mobile terminal and the mobile terminal. The identifier of the anchored paging controller;

Step 307: The base station sends a location update request (LU_Req) message to the anchored paging controller corresponding to the identifier of the anchored paging controller.

The location update request message may be forwarded through multiple gateways.

Step 308: The anchored paging controller sends a context request to an authenticator corresponding to the mobile terminal.

a (Context_Req) message for obtaining a security context of the mobile terminal;

Step 309: The authenticator sends a context response (Context_Rsp) message to the anchored paging controller, where the context response message includes a security context of the mobile terminal.

Step 310: The anchored paging controller performs security authentication on the mobile terminal according to the security authentication information of the mobile terminal and the security context of the mobile terminal.

Step 311: After the security authentication, the anchored paging controller sends the location to the base station. a new response (LU_Rsp) message, where the location update response message includes the downlink IP data packet;

Step 312: The base station sends a measurement response (RNG_RSP) message to the mobile terminal by using an initial Ranging Connection, where the measurement response message includes the downlink IP data packet.

At this point, the mobile terminal in the idle mode acquires the downlink data packet sent by the network side.

Optionally, in this embodiment, the mobile terminal may further confirm by measurement

(AAI_RNG_CFM) message sends an uplink IP data message to the base station; the base station further sends an uplink IP data message to the anchored paging controller by a location update acknowledgement (LU_Ack) message; the anchored paging controller further passes the initial paging The acknowledgment (lnitial_Paging_Ack) message sends an uplink IP data packet to the FA; the FA further sends an uplink IP data packet to the HA through the IP route.

In this embodiment, when the network side sends the downlink IP data packet to the mobile terminal in the idle mode, the paging indicator information carried in the paging advertisement message sent by the anchored paging controller to the mobile terminal indicates The mobile terminal sends a measurement request message to the anchored paging controller through the initial measurement connection, and sends the obtained downlink IP data packet to the mobile terminal by using the initial measurement connection, thereby preventing the mobile terminal from exiting the idle mode, thereby preventing the mobile terminal from exiting the idle mode. Reduce data transmission delay and save network resources.

4 is a schematic flowchart of a data transmission method according to Embodiment 4 of the present invention. In 3GPP Evolved Packet Core (EPC), a network side sends a short message (Short Message Service) to an idle mode mobile terminal. As shown in FIG. 4, the data transmission method in this embodiment may include the following steps:

Step 401: The Mobile Switching Center (MSC) sends a downlink data message to the MME, where the downlink data message includes the short message and the identifier information of the destination mobile terminal of the short message.

The identification information of the mobile terminal may be an NAI, an IP address, a Media Access Control (MAC) address, a phone number, or the like of the mobile terminal; Step 402: The MME learns that the destination mobile terminal of the short message is in an idle mode according to the state information of the mobile terminal that is stored by the MME, and determines, according to the feature information (for example, size) of the short message, that the control channel is used to send the mobile terminal to the mobile terminal. The short message sends a paging message to the evolved base station (eNodeB) in the Tracking Area (TA) list in which the mobile terminal is currently located, to indicate the reason of the paging or the purpose of paging. The paging message includes the identifier information of the mobile terminal and the paging indication information;

The paging indication information may be a short message transmission indicator (SM transport indicator), which is used to indicate that the reason for paging is short message transmission; or may be a tracking area update indicator ( The purpose of the call is to require the mobile terminal to perform 3 track area updates.

Step 403: The eNodeB in the TA broadcasts a paging (PAGING) message in the coverage area, where the paging message includes the identifier information of the mobile terminal and the paging indication information. Step 404: The mobile terminal according to the paging indication Information, sending a Tracking Area Update Request (TAU Request) message to the corresponding eNodeB through a Common Control Channel (CCCH);

Optionally, if the mobile terminal in the idle mode moves from one TA list to another TA list, the tracking area update request message includes an MME-related identifier of the mobile terminal, so that the eNodeB in another TA list learns the current MME serving the mobile terminal;

Step 405: The eNodeB sends the foregoing tracking area update request message to the MME currently serving the mobile terminal.

Step 406: The MME sends a tracking area update accept (TAU Accept) message to the eNodeB, where the tracking area update accept message includes the short message.

Step 407: The eNodeB sends the tracking area update acceptance message to the mobile terminal by using the CCCH.

Optionally, in this embodiment, the mobile terminal may further complete the tracking area update (TAU). The complete message sends the short message response message to the eNodeB; the eNodeB further sends the short message response message to the MME through the tracking area update completion (TAU complete) message; the MME further sends the short message response message to the MSC through the uplink data message.

In this embodiment, when the network side sends the short message to the mobile terminal in the idle mode, the MME indicates the paging information carried in the paging message sent to the mobile terminal, and indicates that the mobile terminal sends the MME to the MME through the common control channel. The tracking area update request message is sent, and the obtained short message is sent to the mobile terminal by using the common control channel, thereby preventing the mobile terminal from exiting the idle mode, thereby reducing data transmission delay and saving network resources.

FIG. 5 is a schematic flowchart of a data transmission method according to Embodiment 5 of the present invention. In a general packet radio service (GPRS) network of the 3GPP, the network side sends a downlink data packet to a mobile terminal in an idle mode. As shown in FIG. 5, the data transmission method in this embodiment may include the following steps:

Step 501: A General Packet Radio Service (GPRS) support node (Gateway GPRS Supporting Node, GGSN for short) passes the User plane of GPRS Tunneling Protocol (GTP-U) tunnel to the SGSN. Sending a downlink IP data packet, where the downlink IP data packet includes a destination IP address;

Step 502: The SGSN learns, according to the destination IP address, that the mobile terminal corresponding to the destination IP address is in an idle mode, and determines, according to the feature information (for example, service type and/or size) of the downlink IP data packet, that the control channel is used. The mobile terminal sends the foregoing downlink data, and sends a paging message to the base station (NodeB) in the routing area (RA) where the mobile terminal is currently located, to indicate the cause of paging or paging. The paging message includes the identification information of the mobile terminal and the paging indication information;

The paging indication information may be a data transport indicator, which is used to indicate that the reason for paging is data transmission, or may be a routing area update indicator, which is used to indicate paging. The purpose is to require mobile terminal Row routing area update.

Step 503: The NodeB in the RA broadcasts a paging (PAGING) message in the coverage area, where the paging message includes the identification information of the mobile terminal and the paging indication information. Step 504: The mobile terminal according to the paging indication Information, sending a Routing Area Update Request (RAU Request) message to the corresponding NodeB through a Common Control Channel (CCCH);

Optionally, if the mobile terminal in the idle mode moves from one RA to another RA, the routing area update request message may include an identifier of the SGSN where the mobile terminal is located, so that the NodeB in another RA learns that the current is the mobile SGSN of Terminal Services;

Step 505: The NodeB sends the routing area update request message to the SGSN currently serving the mobile terminal.

Step 506: After the SGSN successfully performs the security authentication on the mobile terminal, the SGSN sends a routing area update accept (RAU Accept) message to the NodeB, where the routing area update accept message includes the downlink IP data packet. At this point, the idle mode mobile terminal obtains the message. Downlink IP data packet sent by the network side. Optionally, in this embodiment, the mobile terminal may further send an uplink IP data packet to the NodeB by using a routing area update completion (RAU complete) message; the NodeB further sends the uplink IP address to the SGSN by using a routing area update completion (RAU complete) message. Data packet; The SGSN further sends an uplink IP data packet to the GGSN by using an uplink data message.

In this embodiment, when the network side sends the downlink IP data packet to the mobile terminal in the idle mode, the paging indication information carried in the paging message sent by the SGSN to the mobile terminal indicates that the mobile terminal passes the common control channel. Sending a routing area update request message to the SGSN, and sending the obtained downlink IP data packet to the mobile terminal by using the common control channel, thereby preventing the mobile terminal from exiting the idle mode, thereby reducing data transmission delay and saving network resources. .

For Short Message Service (SMS), heartbeat signaling, base For the transmission of short data such as instant messages of text information, if the idle mode mobile terminal exits the idle mode and re-enters the network, so that the network side re-allocates the air interface transmission channel resources and establishes the data transmission bearer for the mobile terminal, The data of the secondary transmission is small, and often the mobile terminal re-enters the idle mode after performing several data transmissions with the network side, resulting in the air interface transmission channel resources allocated by the network side for the mobile terminal and the established data transmission bearer. The use of the data transmission method provided by the embodiment of the present invention can effectively avoid the above problem.

It should be noted that, for the foregoing method embodiments, for the sake of simple description, they are all expressed as a series of action combinations, but those skilled in the art should understand that the present invention is not limited by the described action sequence. Because in accordance with the present invention, certain steps may be performed in other sequences or concurrently. In addition, those skilled in the art should also understand that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

In the above embodiments, the descriptions of the various embodiments are different, and the parts that are not detailed in a certain embodiment can be referred to the related descriptions of other embodiments.

FIG. 6 is a schematic structural diagram of a data transmission apparatus according to Embodiment 6 of the present invention. As shown in FIG. 6, the data transmission apparatus of this embodiment may include a paging module 61 and a transmission module 62. The paging module 61 broadcasts a paging message by the base station in the paging group where the mobile terminal in the idle mode is currently located, where the paging message includes paging indication information, so that the mobile terminal sends the paging control device to the paging control device through the control channel. Sending a communication request, the transmission module 62 transmits the acquired downlink data to the mobile terminal through the control channel. The paging indication information may include, but is not limited to, a paging cause indication and a paging destination indication. The foregoing control channel may include, but is not limited to, an initial measurement connection, a basic connection, a common control channel, or a dedicated control channel.

The paging control device in the first embodiment of the present invention, the paging controller anchored in the second embodiment of the present invention, the paging controller anchored in the third embodiment of the present invention, the MME in the fourth embodiment of the present invention, and the present invention The functions of the SGSN in the fifth embodiment can be implemented by the data transmission apparatus provided in this embodiment.

In this embodiment, when the network side sends downlink data to the idle mode mobile terminal, The paging indication information carried by the paging module in the paging message sent to the mobile terminal, instructing the mobile terminal to send a communication request to the paging control device through the control channel, so that the transmission module can obtain the downlink through the control channel. The data is sent to the mobile terminal, which avoids the mobile terminal exiting the idle mode, thereby reducing the data transmission delay and saving network resources.

Further, the transmission module 62 in this embodiment may be further configured to acquire downlink data, so that the transmission module 62 broadcasts the paging message through the base station in the paging group where the mobile terminal in the idle mode is currently located. Correspondingly, the paging module 61 may specifically determine, according to the feature information of the downlink data, that the downlink data is sent to the mobile terminal by using a control channel, and the paging message is broadcast by the base station in the paging group currently in the idle mode by the mobile terminal in the idle mode. The characteristic information of the downlink data includes a service type of the downlink data and/or a size of the downlink data.

Further, the paging module 61 in this embodiment further broadcasts a paging message by the base station in the paging group where the mobile terminal currently in the idle mode is obtained by the transmission module 62 for acquiring the downlink data indication.

Further, FIG. 7 is a schematic structural diagram of a data transmission apparatus according to Embodiment 7 of the present invention. As shown in FIG. 7, the data transmission apparatus of this embodiment may further include a confirmation module 71 as compared with the previous embodiment. And configured to acquire data confirmation information from the mobile terminal by using the foregoing control channel.

FIG. 8 is a schematic structural diagram of a mobile terminal according to Embodiment 8 of the present invention. As shown in FIG. 8, the mobile terminal in this embodiment may include a receiving module 81, a sending module 82, and an obtaining module 83. The receiving module 81 receives the paging message broadcast by the paging control device by the base station in the paging group where the mobile terminal is currently located, the paging message includes paging indication information, and the sending module 82 controls the paging through the control channel. The device sends a communication request, and the obtaining module 83 acquires the downlink data sent by the paging control device by using the foregoing control channel. The paging indication information may include, but is not limited to, a paging cause indication and a paging destination indication; the foregoing control channel may include, but is not limited to, an initial measurement connection, a basic connection, a common control channel, or a dedicated control channel.

The mobile terminal in the first embodiment of the present invention, the mobile terminal in the second embodiment of the present invention, and the present invention The functions of the mobile terminal in the third embodiment, the mobile terminal in the fourth embodiment of the present invention, and the mobile terminal in the fifth embodiment of the present invention can be implemented by the mobile terminal provided in this embodiment.

In this embodiment, when the network side sends the downlink data to the mobile terminal in the idle mode, the paging control device carries the paging indication information carried in the paging message sent to the mobile terminal, and the mobile terminal according to the paging indication information And sending a communication request to the paging control device by using the control channel, and acquiring downlink data sent by the paging control device by using the control channel, thereby preventing the mobile terminal from exiting the idle mode, thereby reducing data transmission delay and saving network resources.

9 is a schematic structural diagram of a mobile terminal according to Embodiment 9 of the present invention. As shown in FIG. 9, the mobile terminal of this embodiment may further include a confirmation module 91 for passing The control channel transmits data confirmation information to the paging control device.

A person skilled in the art can understand that all or part of the steps of implementing the above method embodiments may be completed by using hardware related to program instructions, and the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed. The foregoing steps include the steps of the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

It should be noted that the above embodiments are only for explaining the technical solutions of the present invention, and are not intended to be limiting; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: The technical solutions described in the foregoing embodiments are modified, or some of the technical features are equivalently replaced. The modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

Rights request

A method for transmitting data, comprising:

The paging control device broadcasts a paging message by the base station in the paging group where the mobile terminal is currently in the idle mode, where the paging message includes paging indication information, so that the mobile terminal controls the paging through the control channel. The device sends a communication request;

The paging control device transmits the acquired downlink data to the mobile terminal through the control channel.

The method according to claim 1, wherein the paging control device further comprises: the paging control device acquiring, by the base station in the paging group currently in the idle mode, before the paging message is broadcasted by the base station in the idle mode Downstream data.

The method according to claim 2, wherein after the paging control device acquires the downlink data, the method further includes:

And the paging control device determines, according to the feature information of the downlink data, that the downlink data is sent to the mobile terminal by using a control channel.

The method according to claim 2, wherein before the paging control device acquires the downlink data, the method further includes:

The gateway device determines, according to the feature information of the downlink data, that the downlink data is sent to the mobile terminal by using a control channel;

The gateway device sends the downlink data to the paging control device.

The method according to claim 3 or 4, wherein the characteristic information of the downlink data includes at least one of the following information: a service type of the downlink data, and a size of the downlink data.

The method according to claim 1, wherein the paging control device further comprises: the paging control device acquiring, by the base station in the paging group currently in the idle mode, before the paging message is broadcasted by the base station in the idle mode Downstream data indication.

The method according to claim 1, wherein the method further comprises: the searching The call control device acquires data confirmation information from the mobile terminal through the control channel.

8. The method according to claim 1, wherein the paging indication information comprises a paging cause indication or a paging destination indication.

9. The method of claim 1, wherein the control channel comprises an initial measurement connection, a base connection, a common control channel, or a dedicated control channel.

10. A data transmission device, comprising:

And a transmission module, configured to send the acquired downlink data to the mobile terminal by using the control channel.

The device according to claim 10, wherein the transmission module is further configured to obtain downlink data.

The device according to claim 11, wherein the paging module is configured to determine, according to the feature information of the downlink data, that the downlink data is sent to the mobile terminal by using a control channel, and the idle mode is adopted. The base station in the paging group where the mobile terminal is currently broadcasting broadcasts the paging message.

The device according to claim 12, wherein the feature information of the downlink data includes at least one of the following information: a service type of the downlink data, and a size of the downlink data.

The device according to claim 10, wherein the paging module is further configured to acquire a downlink data indication.

15. Apparatus according to any of claims 10 to 14, wherein the apparatus further comprises an acknowledgment module for obtaining data acknowledgment information from the mobile terminal over the control channel.

The device according to any one of claims 10 to 14, wherein the paging indication information comprises a paging cause indication or a paging destination indication.

17. Apparatus according to any of claims 10 to 14, wherein the control channel comprises an initial measurement connection, a base connection, a common control channel or a dedicated control channel.

A mobile terminal, the mobile terminal is in an idle mode, and includes: a receiving module, configured to receive a paging message broadcast by a paging control device by a base station in a paging group currently in which the mobile terminal is located, The paging message includes paging indication information;

The mobile terminal according to claim 18, further comprising an acknowledgment module, configured to send data confirmation information to the paging control device by using the control channel.