WO2014032565A1 - 一种无线网络临时标识的传输方法和设备 - Google Patents

一种无线网络临时标识的传输方法和设备 Download PDF

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Publication number
WO2014032565A1
WO2014032565A1 PCT/CN2013/082349 CN2013082349W WO2014032565A1 WO 2014032565 A1 WO2014032565 A1 WO 2014032565A1 CN 2013082349 W CN2013082349 W CN 2013082349W WO 2014032565 A1 WO2014032565 A1 WO 2014032565A1
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Prior art keywords
group
terminal device
rnti
access network
network device
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PCT/CN2013/082349
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English (en)
French (fr)
Inventor
陈东
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电信科学技术研究院
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Publication of WO2014032565A1 publication Critical patent/WO2014032565A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/40Connection management for selective distribution or broadcast
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/11Allocation or use of connection identifiers

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method and a device for transmitting a temporary identifier of a wireless network. Background of the invention
  • MTC Machine Type Communication
  • H2H Human to Human
  • the group to which the MTC device belongs can be learned through the subscription information. That is, the MTC device saves the group feature information corresponding to the terminal device in the USIM (Universal Subscriber Identity Module).
  • the core network entity also saves the group feature information of the MTC device.
  • the group feature information includes a group ID (group ID) of the group to which the MTC device belongs. This group ID is the unique identifier of the group to which the MTC device belongs.
  • the group may include a PLMN (Public Land Mobile Network) or a larger range of terminal devices.
  • PLMN Public Land Mobile Network
  • the RNTK Radio Network Temporary Identity the wireless network temporary identifier
  • the wireless network temporary identifier the wireless network temporary identifier
  • Embodiments of the present invention provide a method and a device for transmitting a temporary identifier of a wireless network, to allocate and transmit a group RNTI to a terminal device in a group.
  • an embodiment of the present invention provides a method for transmitting a temporary identifier of a wireless network, including: when the terminal device enters a connected state, the access network device obtains group feature information corresponding to the terminal device;
  • the group feature information is a group assignment group radio network temporary identifier RNTI to which the terminal device belongs; the access network device sends the group RNTI to the terminal device.
  • An embodiment of the present invention provides a method for transmitting a temporary identifier of a wireless network, including: when the terminal device enters a connected state, the terminal device sends the corresponding group feature information to the access network device, where the access network device And using the group feature information to allocate a group radio network temporary identifier RNTI to the group to which the terminal device belongs; the terminal device receives the group RNTI from the access network device.
  • An embodiment of the present invention provides an access network device, including: a receiving module, configured to: when a terminal device enters a connected state, receive group feature information corresponding to the terminal device; and an allocation module, configured to use the group feature information as The group device belongs to the group allocation group radio network temporary identifier RNTI, and the sending module is configured to send the group RNTI to the terminal device.
  • An embodiment of the present invention provides a terminal device, including: a sending module, configured to: when a terminal device enters a connected state, send, to the access network device, the group feature information corresponding to the terminal device, where the access network device uses the The group feature information is a group assignment group radio network temporary identifier RNTI to which the terminal device belongs, and a receiving module, configured to receive the device from the access network device Said group RNTI.
  • a sending module configured to: when a terminal device enters a connected state, send, to the access network device, the group feature information corresponding to the terminal device, where the access network device uses the The group feature information is a group assignment group radio network temporary identifier RNTI to which the terminal device belongs
  • a receiving module configured to receive the device from the access network device Said group RNTI.
  • the embodiment of the present invention has at least the following advantages: In the embodiment of the present invention, by assigning and transmitting a group RNTI to a terminal device in a group, and using the group RNTI to send the same to all terminal devices in the group. Downlink data, which can optimize signaling transmission and save network resources. BRIEF DESCRIPTION OF THE DRAWINGS
  • 1 is a schematic diagram of downlink data scheduling transmission in an LTE system
  • FIG. 2 is a schematic diagram of a C-RNTI allocation process of a terminal device in an LTE system
  • FIG. 3 is a schematic diagram of downlink data scheduling transmission of a UMTS system
  • FIG. 4 is a schematic diagram of an H-RNTI allocation process of a terminal device in a UMTS system
  • FIG. 5 is a schematic flowchart of a method for transmitting a temporary identifier of a wireless network according to Embodiment 1 of the present invention
  • FIG. 6 is a schematic flowchart of a method for transmitting a temporary identifier of a wireless network according to Embodiment 2 of the present invention.
  • FIG. 7 is a schematic flowchart of a method for transmitting a temporary identifier of a wireless network according to Embodiment 3 of the present invention.
  • FIG. 8 is a schematic flowchart of a method for transmitting a temporary identifier of a wireless network according to Embodiment 4 of the present invention.
  • FIG. 9 is a schematic flowchart of a method for transmitting a temporary identifier of a wireless network according to Embodiment 5 of the present invention
  • 10 is a schematic diagram of a downlink data transmission process based on a group RNTI according to Embodiment 6 of the present invention
  • FIG. 11 is a schematic diagram of a downlink data transmission process based on a group RNTI according to Embodiment 7 of the present invention.
  • FIG. 12 is a schematic structural diagram of an access network device according to Embodiment 8 of the present invention
  • FIG. 13 is a schematic structural diagram of a terminal device according to Embodiment 9 of the present invention. Mode for carrying out the invention
  • FIG. 1 a schematic diagram of downlink data scheduling transmission in an LTE system.
  • a data transmission channel is a shared channel, and uplink and downlink data transmissions of the terminal device are all based on scheduling.
  • the base station device passes the PDCCH ( The physical downlink control channel indicates a physical resource for transmitting data, and the terminal device acquires a physical resource used for data transmission by decoding the PDCCH, and receives data at a corresponding location.
  • the terminal device needs to be addressed.
  • the terminal device can be addressed by using the 16-bit RNTI.
  • the network side scrambles the PDCCH channel by using the RNTI, and the terminal device uses the corresponding RNTI to decode the PDCCH.
  • Disturb correct solution The scheduling information carried by the PDCCH, and receiving data at the indicated physical resource location according to the scheduling information carried by the PDCCH.
  • RNTI Radio Network RNTI
  • P-RNTI Paging RNTI
  • SI-RNTI System Information RNTI
  • C-RNTI Cellular RNTI
  • the terminal device is addressed when the paging message is scheduled, and the SI-RNTI is used to address the terminal device in the cell when the system message is scheduled, and the C-RNTI is used to dynamically locate the user data when the user equipment is dynamically scheduled.
  • the address, and the C-RNTI is dynamically allocated by the network side when the terminal device enters the connected state. Different terminal devices allocate different C-RNTL network sides to send their own data to the terminal device through the C-RNTI of the terminal device.
  • FIG. 2 a schematic diagram of a C-RNTI allocation process for a terminal device in an LTE system, where the process includes: an initial random access procedure of the terminal device, and sending a Preamble code (preamble).
  • the base station device After receiving the Preamble code, the base station device sends a random access response message to the terminal device, where the temporary C-RNTL terminal device that is allocated by the base station device receives the random access response message, and then sends the RRC (Radio) to the base station device.
  • Resource Control Connection Establishment Request message.
  • the base station device feeds back an RRC connection setup response message to the terminal device, where the RRC connection setup response message carries an RRC connection setup request message sent by the terminal device.
  • the terminal device determines whether the contention is resolved by using the RRC connection setup request message carried in the RRC connection setup response message as a message sent by itself. If the RRC connection setup request message carried in the RRC connection setup response message is a message sent by itself, the temporary C-RNTI is set as its own C-RNTI and saved.
  • the terminal device sends an RRC Connection Setup Complete message to the base station device.
  • the base station device After receiving the RRC connection setup complete message, the base station device initiates an initial UE (User Equipment) message of the terminal device to the MME (Mobility Management Entity) to create a context for the terminal device. MME establishes for the terminal device After the context, the base station device is notified by the initial context setup request message to establish the terminal device context and the bearer.
  • the base station device configures a bearer for the terminal device by using an RRC reconfiguration message.
  • FIG. 3 it is a schematic diagram of the downlink data scheduling transmission of the UMTS system.
  • HSDPA High Speed Downlink Packet Access
  • HSUPA High Speed Uplink Packet Access
  • Uplink packet access HSDPA is used for downlink data transmission and uses scheduling-based data transmission, including HS-SCCH (High Speed Shared Control Channel) and HS-PDSCH (High Speed Physical Downlink Shared Channel).
  • the HS-SCCH is used for scheduling data transmission, and carries physical resources allocated for data transmission allocated by the network side, and the HS-PDSCH is used for carrying data.
  • the RNC Radio Network Controller
  • the base station device schedules data through the HS-SCCH and transmits data to the terminal device through the HS-PDSCH.
  • the HS-DSCH FP frame has multiple formats, but it carries the H-RNTI (HS-DSCH Radio Network Transaction Identifier).
  • the terminal device allocates its own H-RNTI by the RNC when entering the connected state. In the downlink data transmission process, the terminal device uses its own H-RNTI to listen to the HS-SCCH. If the HS-SCCH is correctly decoded, the HS-SCCH is allocated.
  • the physical resource HS-PDSCH receives the data sent to itself.
  • FIG. 4 it is a schematic diagram of an H-RNTI allocation process of a terminal device in a UMTS system.
  • the process includes: the terminal device sends an RRC connection setup request message to the RNC.
  • the RNC allocates an H-RNTI to the terminal device, and sends the H-RNTI to the base station device by using a radio link setup message.
  • the base station device feeds back the radio link to the RNC Establish a response message.
  • the RNC notifies the H-RNTI to the terminal device through the RRC Connection Setup message.
  • the terminal device feeds back an RRC Connection Setup Complete message to the RNC.
  • the RNC sends an initial UE message to the core network entity.
  • the core network entity transmits non-access stratum configuration information to the RNC through a direct transmission message.
  • the core network entity allocates a message through the RAB (Radio Access Bearer) to establish a radio bearer configuration for the terminal device.
  • the RNC After receiving the RAB assignment message, the RNC notifies the base station device of the radio bearer configuration by using the radio link reconfiguration message.
  • the base station device feeds back the radio link reconfiguration response message to the RNC.
  • the RNC notifies the terminal device of the radio bearer configuration by using an RB (Radio bearer) reconfiguration message.
  • RB Radio bearer
  • the network side entity includes an RNC and a base station device.
  • the RNC is responsible for the context and radio resource management of the terminal device, and needs to notify the base station device and the terminal device of the H-RNTI of the terminal device.
  • the base station device and the terminal device use the H-RNTI to transmit data.
  • the base station device is responsible for scheduling resources.
  • the interface between the RNC and the base station device is called the Iub interface.
  • the above is a processing flow for transmitting an RNTI to a terminal device in a connected state in the LTE system and the UMTS.
  • the present invention provides a method and a device for transmitting a temporary identifier of a wireless network, because the existing MTC technology does not allocate or transmit the RNTI to the terminal device in the group.
  • the MTC technology by allocating and transmitting RNTI to the terminal devices in the group, and using the RNTI to send the same downlink data to all terminal devices in the group, signaling transmission can be optimized, and network resources can be saved.
  • Embodiment 1 of the present invention provides a method for transmitting a temporary identifier of a wireless network. As shown in FIG. 5, the method includes the following steps:
  • Step 501 When the terminal device (that is, the MTC device) enters the connected state, the terminal device sends the own group feature information to the access network device.
  • the access network device is the base station device (eNB); in the UMTS system
  • the access network device is an RNC.
  • the terminal device In the LTE system, the terminal device has two states, RRC_connected and RRC-idle. The RRC_connected is in a connected state, and the RRC-idle is in an idle state. In the UMTS system, the terminal device has five states, cell-dch, cell_fach, cell_pch, ura/pch, and idle. The cell-dch, cell_fach, and cell_pch/ura_pch are connected states, and the idle state is an idle state.
  • the group feature information corresponding to the terminal device includes but is not limited to: group ID information of the group to which the terminal device belongs.
  • the group feature information corresponding to the terminal device may further include information of a group to which the terminal device belongs.
  • the information of the group to which the terminal device belongs includes a group service server identifier, a group service type, a QoS, and the like.
  • the group identification information is group identification information of a group to which the terminal device belongs.
  • the group identification information includes but is not limited to: a group identifier of a group to which the terminal device belongs, or other information (such as a terminal device identifier, etc.) associated with the group identifier of the group to which the terminal device belongs.
  • the group feature information is sent to the access network device, including but not limited to: the terminal device sends its corresponding group feature information to the access network device through RRC signaling; or, the terminal device sends the corresponding group feature information to the core device.
  • the network device sends the group feature information corresponding to the terminal device to the access network device through the S1/Iu interface signaling.
  • Step 502 The access network device obtains group feature information corresponding to the terminal device.
  • the access network device obtains the group feature information corresponding to the terminal device, including but not limited to: the access network device receives the RRC signaling from the terminal device, where the RRC signaling carries the group corresponding to the terminal device. The feature information; or, the access network device receives the S1/Iu interface signaling from the core network device, where the S1/Iu interface signaling carries the group feature information corresponding to the terminal device.
  • Step 503 The access network device determines, according to the set of feature information, a group RNTI for the group to which the terminal device belongs.
  • the access network device needs to determine the group C-RNTI for the group to which the terminal device belongs.
  • the access network device needs to determine the group H-RNTI for the group to which the terminal device belongs.
  • the access network device needs to allocate the RNTI corresponding to the terminal device to the terminal device, and the process of the allocation and subsequent processing is not described in detail in the embodiment of the present invention.
  • the group feature information corresponding to the terminal device includes group identification information of the group to which the terminal device belongs, and the terminal devices having the same group identification information have the same group RNTI.
  • the access network device uses the group feature information to determine the group RNTI for the group to which the terminal device belongs, including but not limited to: the access network device searches for the corresponding relationship between the recorded group identification information and the group RNTI, including the terminal device Corresponding relationship of the group identification information of the group; if the corresponding relationship of the group identification information of the group to which the terminal device belongs is found, the access network device sets the group RNTI corresponding to the group identification information to the group RNTI of the group to which the terminal device belongs; If the correspondence between the group identification information of the group to which the terminal device belongs is not found, the access network device allocates a group RNTI to the group to which the terminal device belongs, and records the correspondence between the group identification information and the allocated group RNTI.
  • Step 504 The access network device sends the group RNTI to the terminal device.
  • the access network device sends the group RNTI to the terminal device, including but not limited to: the access network device uses a MAC (Media Access Control) PDU (Protocol Data Unit)
  • the RNTI is sent to the terminal device, that is, the access network device includes the group RNTI in the header of the MAC PDU that sends data to the terminal device; or the access network device sends the group RNTI to the terminal device through RRC signaling.
  • MAC Media Access Control
  • PDU Protocol Data Unit
  • the access network device is an RNC.
  • the RNC uses the group feature information to allocate the group RNTI to the group to which the terminal device belongs, the RNC may further include: the RNC sends the group RNTI to the base station device by using the HS-DSCH FP frame, and the HS-DSCH FP frame may be a special HS-DSCH FP frame.
  • the RNC transmits the group RNTI to the base station device through the FACH (Forward Access Channel) FP frame, ie the RNC includes the group RNTI in the MAC PDU In the header, and sent to the base station device through the FACH FP frame; or, the RNC sends the group RNTI to the base station device through the Iub interface signaling.
  • FACH Forward Access Channel
  • Step 505 The terminal device receives the group RNTI from the access network device.
  • the terminal device receives the group RNTI from the access network device, including but not limited to: the terminal device receives the RRC signaling from the access network device, and the RRC signaling carries the group RNTI; Alternatively, the terminal device receives the MAC PDU from the access network device, and the MAC PDU carries the group RNTI.
  • the access network device may also schedule and transmit the same data to each terminal device in the group to which the terminal device belongs by using the group RNTI. Further, in the LTE system, the terminal device may use the group of RNTIs and the corresponding C-RNTI to decode the control channel. In the UMTS, the terminal device may use the group of RNTIs and the corresponding H-RNTI to decode the control channel.
  • the access network device uses the group feature information to belong to the group to which the terminal device belongs. After the group RNTI is allocated, after the terminal device enters the idle state, the terminal device needs to release the group RNTI. Further, after the access network device learns that each terminal device in the group to which the terminal device belongs to enter an idle state, the access network device needs to release the group RNTL allocated for the group to which the terminal device belongs. For example, deleting the recorded terminal Correspondence between the group identification information of the group to which the device belongs and the group RNTI.
  • Embodiment 2 of the present invention provides a method for transmitting a temporary identifier of a wireless network.
  • the procedure before the MME sends the initial context setup request message to the base station device is the same as the existing flow.
  • the process includes: the terminal device starts a random access procedure, and sends a Preamble code. After receiving the Preamble code, the base station device sends a random access response message to the terminal device, where the random access response message carries the temporary C-RNTI allocated by the base station device.
  • the terminal device After receiving the random access response message, the terminal device sends an RRC connection setup request message to the base station device; after receiving the RRC connection setup request message, the base station device feeds back an RRC connection setup response message to the terminal device, where the RRC connection setup response message carries the terminal The RRC connection setup request message sent by the device; the terminal device determines whether the contention is resolved by the RRC connection setup request message carried in the RRC connection setup response message, and if so, changes the temporary C-RNTI to C- And the RNTI sends the RRC connection setup complete message to the base station device. After receiving the RRC connection setup complete message, the base station device initiates an initial UE message related to the terminal device to create a context for the terminal device.
  • the sending, by the MME, the initial context setup request message to the base station device and the subsequent process may further include the following steps:
  • Step 601 After receiving the initial UE information, the MME identifies the group to which the terminal device belongs by using the terminal identifier, obtains the group feature information corresponding to the terminal device, and notifies the group feature information corresponding to the terminal device in the initial context setup request message.
  • Base station equipment The identifier of the terminal device has a corresponding relationship with the group.
  • the MME can identify the group to which the terminal device belongs according to the corresponding relationship between the terminal device identifier and the terminal device. In a specific implementation manner, the MME identifies a terminal device identification interval corresponding to the identifier of the terminal device.
  • the group to which the terminal device belongs is a group corresponding to the terminal device identification interval. For example, if the identifier interval corresponding to the identifier 0000000100 of the terminal device is 0000000000-0000001000, and the group corresponding to the identifier interval is the group 30, the terminal device belongs to the group 30.
  • Step 602 After receiving the group feature information corresponding to the terminal device, the base station device allocates a group RNTI (ie, a group C-RNTI) to the group to which the terminal device belongs according to the group feature information, and saves the group feature information (that is, the group to which the terminal device belongs) Group identification information) Correspondence with the group RNTI.
  • a group RNTI ie, a group C-RNTI
  • the base station device can directly allocate the same group RNTI by using the corresponding relationship.
  • Step 603 The base station device notifies the group RNTI to the terminal device by using an RRC message or carrying a special MAC CE (Control Element, Control Unit) in the MAC PDU.
  • MAC CE Control Element, Control Unit
  • Step 604 The terminal device saves the group RNTI (ie, the group C-RNTI).
  • Embodiment 3 of the present invention provides a method for transmitting a temporary identifier of a wireless network.
  • the step before the terminal device sends the RRC connection setup request message to the base station device is the same as the existing process.
  • the process specifically includes: the terminal device starts a random access procedure, and sends a Preamble code; the base station device receives the Preamble code and then sends the Preamble code to the base station device.
  • the terminal device feeds back a random access response message, where the random access response message carries the temporary C-RNTI allocated by the base station device; after receiving the random access response message, the terminal device sends an RRC connection setup request message to the base station device.
  • the terminal device sends the RRC connection setup request message to the base station device, and the following process may further include the following steps:
  • Step 701 The terminal device notifies the base station device of the group feature information corresponding to the terminal device (that is, the group identity information of the group to which the terminal device belongs) through the RRC connection setup request message.
  • the RRC connection setup request message carries group feature information corresponding to the terminal device.
  • a group RNTI ie, a group C-RNTI
  • the base station device can allocate the same group RNTI to the terminal device by using the corresponding relationship, and the terminal device sends An RRC Connection Setup Request message carrying the same set of feature information.
  • Step 703 The base station device notifies the group RNTI to the terminal device by using an RRC connection setup message.
  • Step 704 If the random access of the terminal device is resolved, the terminal device saves the group RNTI carried in the received RRC connection setup message.
  • the subsequent steps are the same as the existing process.
  • the process includes: after the random access competition is resolved, the terminal device sends an RRC connection setup complete message to the base station device; after receiving the RRC connection setup complete message, the base station device initiates the terminal device to the MME. a related initial UE message, creating a context for the terminal device; after establishing a context for the terminal device, the MME notifies the base station device to establish the terminal device context and the bearer by using an initial context setup request message; the base station device uses the RRC reconfiguration message as the terminal device Configure related bearers.
  • Embodiment 4 Embodiment 4
  • Embodiment 4 of the present invention provides a method for transmitting a temporary identifier of a wireless network. As shown in Figure 8, the method includes the following steps:
  • Step 801 The terminal device notifies the RNC of the group feature information corresponding to the terminal device (that is, the group identity information of the group to which the terminal device belongs) through the RRC connection setup request message.
  • Step 802 After receiving the group feature information corresponding to the terminal device, the RNC allocates a group RNTI (ie, a group H-RNTI) to the group to which the terminal device belongs, and saves the group feature information (ie, the terminal device Corresponding relationship between the group identification information of the group and the group RNTI; when the RRC connection initiated by the RRC connection setup request message carrying the same group of feature information is subsequently used, the RNC can use the corresponding relationship to assign the same to the terminal device.
  • the group RNTI, and the terminal device sends an RRC Connection Setup Request message carrying the same group of feature information.
  • Step 803 The RNC notifies the group RNTI to the base station device by using the Iub interface signaling (ie, the radio link setup request message). And the base station device feeds back the radio link establishment response message to the RNC.
  • the Iub interface signaling ie, the radio link setup request message.
  • Step 804 The RNC notifies the group RNTI to the terminal device by using an RRC message (that is, an RRC connection setup message).
  • Step 805 After receiving the RRC connection setup message, the terminal device saves the group RNTI carried by the terminal device.
  • Embodiment 5 of the present invention provides a method for transmitting a temporary identifier of a wireless network.
  • the step before the core network device sends the RAB allocation request message to the RNC is the same as the existing process.
  • the process specifically includes: the terminal device sends an RRC connection setup request message to the RNC; after receiving the RRC connection setup request message, the RNC is The terminal device allocates the H-RNTI, and sends the H-RNTI to the base station device by using the radio link setup message; the base station device feeds back the radio link setup response message to the RNC; the RNC notifies the H-RNTI to the terminal device by using the RRC connection setup message;
  • the terminal device feeds back an RRC connection setup complete message to the RNC; the RNC sends an initial UE message to the core network entity after receiving the RRC connection setup complete message; the core network entity communicates the non-access stratum configuration information with the RNC through the direct transfer message;
  • the RAB assignment message establishes a radio bearer configuration for
  • process of sending the RAB allocation request message to the RNC by the core network device and the subsequent process may further include the following steps:
  • Step 901 The core network device associates the group corresponding to the terminal device by using an RAB allocation request message.
  • the feature information ie, the group identification information of the group to which the terminal device belongs
  • the RNC Radio Network Controller
  • Step 902 After receiving the group feature information corresponding to the terminal device, the RNC allocates a group RNTI (ie, a group H-RNTI) to the group to which the terminal device belongs, and saves the group feature information (that is, the group identity information of the group to which the terminal device belongs) and the group RNTI.
  • the RN connection initiated by the RRC connection setup request message initiated by the same group of feature information may be used by the RNC to allocate the same group RNTI to the terminal device by using the corresponding relationship, and the terminal device sends the RRC connection.
  • An RRC Connection Setup Request message carrying the same set of feature information.
  • Step 903 The RNC notifies the group RNTI to the base station device by using the Iub interface signaling (ie, the radio link reconfiguration message), and the base station device feeds back the radio link setup response message to the RNC.
  • the Iub interface signaling ie, the radio link reconfiguration message
  • Step 904 The RNC notifies the group RNTI to the terminal device by using an RB setup message or an RB reconfiguration message, which are all RRC messages.
  • Step 905 After receiving the group RNTI, the terminal device saves the group RNTI.
  • Embodiment 6 of the present invention provides a downlink data transmission process based on a group RNTI. As shown in Figure 10, the process includes the following steps:
  • Step 1001 When the base station device sends the same data to all the terminal devices in a group, the C-RNTI scrambled PDCCH of the group is used to schedule the downlink data.
  • Step 1002 The terminal device attempts to decode the control channel by using its own C-RNTI and the group C-RNTI, obtains the data transmission resource after correctly decoding the PDCCH, and receives the data on the corresponding resource.
  • Step 1003 The base station device transmits downlink data through the PDSCH on the scheduled resource.
  • Embodiment 7 of the present invention provides a downlink number based on a group RNTI. According to the transmission process, as shown in FIG. 11, the process includes the following steps:
  • Step 1101 The RNC carries the data to be sent through the HS-DSCH FP frame, and sends the data to the base station device, and the HS-DSCH FP frame carries the group H-RNTI.
  • the RNC can also carry the data to be transmitted to the base station device using the HS-DSCH FP frame newly defined for the MTC device group.
  • the HS-DSCH FP frame newly defined for the MTC device group may also carry a group H-RNTI.
  • Step 1102 After receiving the HS-DSCH FP frame, the base station device scrambles the HS-SCCH scheduling data by using the group H-RNTI carried therein, and then the HS-PDSCH sends data according to the HS-SCCH scheduled resource.
  • Step 1103 The terminal device attempts to decode the control channel by using its own H-RNTI and the group H-RNTI, and correctly acquires the resource of the data transmission after decoding the HS-SCCH, and receives the data on the corresponding resource.
  • the embodiment of the present invention further provides an access network device.
  • the access network device includes:
  • the receiving module 11 is configured to receive group feature information corresponding to the terminal device when the terminal device enters the connected state;
  • the allocating module 12 is configured to determine, by using the group feature information, a group radio network temporary identifier (RNTI) for the group to which the terminal device belongs;
  • RNTI group radio network temporary identifier
  • the sending module 13 is configured to send the group RNTI to the terminal device.
  • the receiving module 11 is configured to receive radio resource control RRC signaling from the terminal device, and obtain the group feature information corresponding to the terminal device in the RRC signaling; or receive the Sl from the core network device. /Iu interface signaling, acquiring the Sl/Iu interface signaling The group feature information corresponding to the terminal device is carried.
  • the group characteristic information corresponding to the terminal device includes group identification information of the group to which the terminal device belongs; the allocation module 12 is specifically configured to: search for the terminal including the terminal from the correspondence between the recorded group identification information and the group RNTI Corresponding relationship of the group identification information of the group to which the device belongs; if the correspondence between the group identification information of the group to which the terminal device belongs is found, the group RNTI corresponding to the group identification information is determined to be the group to which the terminal device belongs. a group RNTI; if the correspondence between the group identification information including the group to which the terminal device belongs is not found, assigning a group RNTI to the group to which the terminal device belongs, and recording between the group identification information and the allocated group RNTI Correspondence.
  • the sending module 13 is specifically configured to send the group RNTI to the terminal device by using a medium access control (MAC) protocol data unit (PDU); or send the group RNTI to the terminal by using RRC signaling device.
  • MAC medium access control
  • PDU protocol data unit
  • the access network device is a Radio Network Controller (RNC); the transmitting module 13 is further configured to pass a High Speed Downlink Shared Channel (HS-DSCH) Frame Protocol (FP) frame.
  • HS-DSCH High Speed Downlink Shared Channel
  • FP Frame Protocol
  • FACH forward access channel
  • the sending module 13 is further configured to schedule, by using the group RNTI, to transmit the same data to each terminal device in the group to which the terminal device belongs.
  • the access network device further includes a release module 14 for releasing the group RNTI allocated for the group to which the terminal device belongs after learning that each terminal device in the group to which the terminal device belongs enters the idle state.
  • the modules of the device of the present invention may be integrated into one or may be deployed separately.
  • the above modules can be combined into one module, or can be further split into multiple sub-modules.
  • the embodiment of the present invention further provides a terminal device.
  • the terminal device includes:
  • the sending module 21 is configured to: when the terminal device enters the connected state, send the group feature information corresponding to the terminal device to the access network device, where the access network device uses the group feature information to allocate the group device to which the terminal device belongs.
  • Group Radio Network Temporary Identity RNTI
  • the receiving module 22 is configured to receive the group RNTI from the access network device.
  • the sending module 21 is configured to: send the group feature information corresponding to the terminal device to the access network device by using the radio resource control RRC signaling; or send the group feature information corresponding to the terminal device to the core network device.
  • the group network device sends the group feature information corresponding to the terminal device to the access network device by using the S1/Iu interface signaling.
  • the receiving module 22 is configured to receive RRC signaling from the access network device, to obtain the group RNTI in the RRC signaling, or receive a media access control MAC from the access network device.
  • the protocol data unit PDU is obtained, and the group RNTI is carried in the MAC PDU.
  • the terminal device further includes a processing module 23, configured to use, in the Long Term Evolution (LTE) system, when the access network device schedules and transmits the same data to each terminal device in the group to which the terminal device belongs by using the group RNTI
  • the group RNTI and the cell radio network temporary identifier (C-RNTI) corresponding to the terminal device decode the control channel;
  • the group RNTI and the corresponding HS are respectively utilized.
  • - DSCH Radio Network Temporary Identity (H-RNTI) Decodes the control channel.
  • the terminal device further includes: a release module 24, configured to release the group RNTI after the terminal device enters an idle state.
  • a release module 24 configured to release the group RNTI after the terminal device enters an idle state.
  • the modules of the device of the present invention may be integrated into one or may be deployed separately. The above modules can be combined into one module, or can be further split into multiple sub-modules.
  • the present invention can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is a better implementation. the way.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium, including a plurality of instructions for making a A computer device (which may be a personal computer, server, or network device, etc.) performs the methods described in various embodiments of the present invention.
  • modules in the apparatus in the embodiments may be distributed in the apparatus of the embodiment according to the description of the embodiments, or may be correspondingly changed in one or more apparatuses different from the embodiment.
  • the modules of the above embodiments may be combined into one module, or may be further split into multiple sub-modules.

Abstract

本发明公开了一种无线网络临时标识的传输方法和设备,该方法包括:在终端设备进入连接态时,接入网设备获得终端设备对应的组特征信息;所述接入网设备利用所述组特征信息为所述终端设备所属组分配组无线网络临时标识RNTI;所述接入网设备将所述组RNTI发送给所述终端设备。本发明实施例中,通过对组内终端设备分配以及传输RNTI,利用该RNTI向该组内的所有终端设备发送相同的下行数据,从而可优化信令传输,节省网络资源。

Description

一种无线网络临时标识的传输方法和设备 技术领域
本发明涉及通信技术领域, 尤其是涉及了一种无线网络临时标识的 传输方法和设备。 发明背景
在 MTC ( Machine Type Communication, 机器类型通信 ) 中, 终端 设备的数目将远远大于 H2H ( Human to Human, 人与人 )中终端设备的 数目。 当需要向某个用户的 MTC设备 (即 MTC的终端设备)或者某个 区域内所有 MTC设备发送信息时,如果对每个 MTC设备分别进行寻呼 或者分别对每个 MTC设备发送相同信息, 则会造成资源的浪费。 基于 此, 如果将属于同一个用户的 MTC 设备或者在同一个区域范围内的 MTC设备组成组, 并基于组对 MTC设备进行管理和控制, 则会减少资 源的浪费, 并且提高资源的利用率。
进一步的, MTC设备所属组可以通过签约信息获知。 即 MTC设备 在 USIM ( Universal Subscriber Identity Module, 全球用户识别卡) 中保 存该终端设备对应的组特征信息。 且核心网实体也会保存该 MTC设备 的组特征信息。其中,组特征信息包括 MTC设备所属组的组标识(group ID )等。 该组标识为 MTC设备所属组的唯一标识。 该组可以包括一个 PLMN ( Public Land Mobile Network, 公共陆地移动网络) 范围或更大 范围内的终端设备。
现有技术中, 对于 LTE ( Long Term Evolution, 长期演进 ) 系统以 及 UMTS ( Universal Mobile Telecommunications System, 通用移动通信 系统)等,为了终端设备的寻址,会向连接态的终端设备发送 RNTK Radio Network Temporary Identity, 无线网络临时标识 ) , 该 RNTI用于标识某 个终端设备, 其仅仅使用在连接态, 用于终端设备的寻址。 发明内容
本发明实施例提供一种无线网络临时标识的传输方法和设备, 以对 组内终端设备分配以及传输组 RNTI。
为了达到上述目的, 本发明实施例提供一种无线网络临时标识的传 输方法包括: 在终端设备进入连接态时, 接入网设备获得终端设备对应 的组特征信息; 所述接入网设备利用所述组特征信息为所述终端设备所 属组分配组无线网络临时标识 RNTI; 所述接入网设备将所述组 RNTI 发送给所述终端设备。
本发明实施例提供一种无线网络临时标识的传输方法, 包括: 在终 端设备进入连接态时, 所述终端设备将自身对应的组特征信息发送给接 入网设备, 由所述接入网设备利用所述组特征信息为所述终端设备所属 组分配组无线网络临时标识 RNTI; 所述终端设备接收来自所述接入网 设备的所述组 RNTI。
本发明实施例提供一种接入网设备, 包括: 接收模块, 用于在终端 设备进入连接态时, 接收所述终端设备对应的组特征信息; 分配模块, 用于利用所述组特征信息为所述终端设备所属组分配组无线网络临时 标识 RNTI; 发送模块, 用于将所述组 RNTI发送给所述终端设备。
本发明实施例提供一种终端设备, 包括: 发送模块, 用于在终端设 备进入连接态时, 将终端设备对应的组特征信息发送给接入网设备, 由 所述接入网设备利用所述组特征信息为所述终端设备所属组分配组无 线网络临时标识 RNTI; 接收模块, 用于接收来自所述接入网设备的所 述组 RNTI。
与现有技术相比, 本发明实施例至少具有以下优点: 本发明实施例 中,通过对组内终端设备分配以及传输组 RNTI,并利用该组 RNTI向该 组内的所有终端设备发送相同的下行数据, 从而可以优化信令传输, 节 省网络资源。 附图简要说明
为了更清楚地说明本发明的技术方案, 下面将对实施例描述中所需 要使用的附图作筒单地介绍, 显而易见地, 下面描述中的附图仅仅是本 发明的一些实施例, 对于本领域普通技术人员来讲, 在不付出创造性劳 动的前提下, 还可以根据这些附图获得其他的附图。
图 1是 LTE系统下行数据调度传输示意图;
图 2是 LTE系统中终端设备的 C-RNTI分配流程示意图; 图 3是 UMTS系统下行数据调度传输示意图;
图 4是 UMTS系统中终端设备的 H-RNTI分配流程示意图; 图 5是本发明实施例一提供的一种无线网络临时标识的传输方法流 程示意图;
图 6是本发明实施例二提供的一种无线网络临时标识的传输方法流 程示意图;
图 7是本发明实施例三提供的一种无线网络临时标识的传输方法流 程示意图;
图 8是本发明实施例四提供的一种无线网络临时标识的传输方法流 程示意图;
图 9是本发明实施例五提供的一种无线网络临时标识的传输方法流 程示意图; 图 10是本发明实施例六提供的一种基于组 RNTI的下行数据传输过 程示意图;
图 11是本发明实施例七提供的一种基于组 RNTI的下行数据传输过 程示意图;
图 12是本发明实施例八提供的一种接入网设备的结构示意图; 图 13是本发明实施例九提供的一种终端设备的结构示意图。 实施本发明的方式
在实现本发明的过程中, 发明人发现现有技术中至少存在以下问 题:
在 MTC技术中, 当需要向组内终端设备传输数据时, 如果该组内 终端设备处于连接态, 则需要对该组内所有终端设备进行调度与传输相 需要分别向组内的每个终端设备发送调度信令。 并且, 需要占用较多物 理资源, 用于向每个用户传输一份相同的数据。 这样, 增加了调度信令 的开销, 浪费了网络资源。
并且, 发明人在实现本发明的过程中还注意到:
一、 如图 1所示, 为 LTE系统下行数据调度传输示意图, 在 LTE 系统中, 数据传输信道为共享信道, 终端设备的上下行数据传输都是基 于调度的; 具体的, 基站设备通过 PDCCH ( Physical Downlink Control Channel, 物理下行控制信道)指示传输数据的物理资源, 终端设备通过 解码 PDCCH获取数据传输使用的物理资源,并在相应的位置接收数据。
在上述调度传输过程需要对终端设备寻址, 目前可使用 16bit 的 RNTI对终端设备进行寻址; 具体的, 网络侧通过 RNTI加扰 PDCCH信 道, 终端设备在解码 PDCCH时, 利用对应的 RNTI来解扰, 正确解出 PDCCH携带的调度信息,并根据 PDCCH携带的调度信息在指示的物理 资源位置处接收数据。
RNTI有多种不同的类型, 如 P-RNTI ( Paging RNTI, 寻呼 RNTI ) 、 SI-RNTI ( System Information RNTI, 系统消息 RNTI ) 、 C-RNTI ( Cell RNTI, 小区 RNTI )等; P-RNTI用于调度寻呼消息时对终端设备进行寻 址, SI-RNTI 用于调度系统消息时对小区中的终端设备进行寻址, C-RNTI 用于动态调度用户数据时对该用户的终端设备进行寻址, 且 C-RNTI是终端设备进入连接态时由网络侧动态分配的。 不同的终端设 备分配不同的 C-RNTL网络侧通过该终端设备的 C-RNTI向终端设备发 送自身的数据。
二、 如图 2所示, 为 LTE系统中终端设备的 C-RNTI分配流程示意 图, 该过程包括: 终端设备初始随机接入过程, 发送 Preamble码(前导 码) 。 基站设备收到 Preamble码后向终端设备反馈随机接入响应消息, 该随机接入响应消息中携带基站设备分配的临时 C-RNTL 终端设备收 到随机接入响应消息后向基站设备发送 RRC ( Radio Resource Control, 无线资源控制)连接建立请求消息。 基站设备收到 RRC连接建立请求 消息后向终端设备反馈 RRC连接建立响应消息, 该 RRC连接建立响应 消息中携带终端设备发送的 RRC连接建立请求消息。终端设备通过 RRC 连接建立响应消息中携带的 RRC连接建立请求消息是否为自身发送的 消息来判断是否竟争解决。 若 RRC连接建立响应消息中携带的 RRC连 接建立请求消息是自身发送的消息, 则将临时 C-RNTI 设置为自身的 C-RNTI并保存。 终端设备向基站设备发送 RRC连接建立完成消息。 基 站设备收到 RRC连接建立完成消息后, 向 MME ( Mobility Management Entity, 移动性管理实体 )发起该终端设备的初始 UE ( User Equipment, 用户设备) 消息, 为该终端设备创建上下文。 MME 为该终端设备建立 上下文后, 通过初始上下文建立请求消息通知基站设备建立该终端设备 上下文以及承载。 基站设备通过 RRC重配置消息为该终端设备配置承 载。
三、如图 3所示,为 UMTS系统下行数据调度传输示意图,在 UMTS 系统中, 引入了 HSDPA ( High Speed Downlink Packet Access, 高速下 行链路分组接入 ) /HSUPA ( High Speed Uplink Packet Access, 高速上行 链路分组接入) 。 HSDPA 用于下行数据传输, 并采用基于调度的数据 传输, 包括 HS-SCCH ( High Speed Shared Control Channel, 高速共享控 制信道)和 HS-PDSCH ( High Speed Physical Downlink Shared Channel, 高速物理下行共享信道) 。 其中, HS-SCCH 用于调度数据传输, 携带 网络侧分配的用于数据传输的物理资源, HS-PDSCH用于承载数据。
在图 3中, RNC ( Radio Network Controller, 无线网络控制器)通 过 HS-DSCH ( High Speed Downlink Shared Channel, 高速下行链路共享 信道) FP ( Frame Protocol, 帧协议) 帧将数据发送到基站设备。 基站 设备通过 HS-SCCH调度数据,并通过 HS-PDSCH传输数据到终端设备。 HS-DSCH FP 帧有多种格式, 但都会携带 H-RNTI ( HS-DSCH Radio Network Transaction Identifier, HS-DSCH无线网络临时标识) 。 其中, 终端设备在进入连接态时会由 RNC分配自身 H-RNTI,在下行数据传输 过程中, 终端设备使用自身 H-RNTI监听 HS-SCCH, 如果正确解码 HS-SCCH,则在 HS-SCCH分配的物理资源 HS-PDSCH上接收发送给自 身的数据。
四、 如图 4所示, 为 UMTS系统中终端设备的 H-RNTI分配流程示 意图。该过程包括:终端设备向 RNC发送 RRC连接建立请求消息。 RNC 收到 RRC连接建立请求消息后为终端设备分配 H-RNTI , 并通过无线链 路建立消息将 H-RNTI发送给基站设备。基站设备向 RNC反馈无线链路 建立响应消息。 RNC通过 RRC连接建立消息将 H-RNTI通知给终端设 备。 终端设备向 RNC反馈 RRC连接建立完成消息。 RNC收到 RRC连 接建立完成消息后向核心网实体发送初始 UE消息。 核心网实体通过直 传消息向 RNC传输非接入层配置信息。 核心网实体通过 RAB ( Radio Access Bearer , 无线接入承载 )分配消息为该终端设备建立无线承载配 置。 RNC收到 RAB分配消息后通过无线链路重配置消息将无线承载配 置通知给基站设备。 基站设备反馈无线链路重配置响应消息到 RNC。 RNC通过 RB ( Radio bearer, 无线承载)重配置消息将无线承载配置通 知给终端设备。
在上述过程中, 网络侧实体包括 RNC和基站设备。 其中, RNC负 责终端设备的上下文及无线资源管理, 其需要将终端设备的 H-RNTI通 知给基站设备和终端设备。 在后续连接态的数据传输过程中, 由基站设 备和终端设备使用该 H-RNTI传输数据。 基站设备负责调度资源。 RNC 和基站设备之间的接口称作 Iub接口。
上述为 LTE系统以及 UMTS中向连接态的终端设备发送 RNTI的 处理流程。 由于现有 MTC技术中, 并没有对组内终端设备分配以及传 输 RNTI的方式, 因此本发明实施例提供一种无线网络临时标识的传输 方法和设备。在 MTC技术中,通过对组内终端设备分配以及传输 RNTI, 并利用该 RNTI向组内的所有终端设备发送相同的下行数据, 从而可以 优化信令传输, 节省网络资源。
下面将结合本发明中的附图, 对本发明中的技术方案进行清楚、 完 整地描述, 显然, 所描述的实施例仅仅是本发明的一部分实施例, 而不 是全部的实施例。 基于本发明中的实施例, 本领域普通技术人员在没有 做出创造性劳动前提下所获得的所有其他实施例, 都属于本发明保护的 范围。 实施例一
本发明实施例一提供一种无线网络临时标识的传输方法, 如图 5所 示, 该方法包括以下步骤:
步骤 501 , 在终端设备 (即 MTC设备 )进入连接态时, 该终端设备 将自身组特征信息发送给接入网设备; 在 LTE系统中,接入网设备为基 站设备 ( eNB ) ; 在 UMTS系统中, 接入网设备为 RNC。
在 LTE系统中, 终端设备有两种状态, 分别为 RRC_connected和 RRC-idle。 其中, 该 RRC_connected为连接态, 该 RRC-idle为空闲态。 在 UMTS 系统中, 终端设备有五种状态, 分别为 cell-dch, cell_fach, cell_pch, ura/pch以及 idle。其中,该 cell-dch, cell—fach, cell_pch/ura_pch 为连接态, 该 idle为空闲态。
本发明实施例中, 终端设备对应的组特征信息包括但不限于: 终端 设备所属组的组标识(group ID )信息。 此外, 该终端设备对应的组特 征信息还可以包括终端设备所属组的信息。 所述终端设备所属组的信息 包括组业务服务器标识, 组业务类型, QoS等。 上述组标识信息为终端 设备所属组的组标识信息。
需要说明的是, 上述组标识信息包括但不限于: 终端设备所属组的 组标识, 或者, 与终端设备所属组的组标识所关联的其它信息 (如终端 设备标识等) 。 当然, 在实际应用中, 所有对应能够得到标识该终端设 备所属组的组的标识信息均在本发明实施例保护范围之内, 在此不再详 本发明实施例中, 终端设备将自身对应的组特征信息发送给接入网 设备, 包括但不限于: 终端设备通过 RRC信令将自身对应的组特征信 息发送给接入网设备; 或, 终端设备将自身对应的组特征信息发送给核 心网设备, 由核心网设备通过 S 1/Iu接口信令将终端设备对应的组特征 信息发送给接入网设备。
步骤 502 , 接入网设备获得终端设备对应的组特征信息。
针对终端设备不同的通知方式, 接入网设备获得终端设备对应的组 特征信息, 包括但不限于: 接入网设备接收来自终端设备的 RRC信令, 该 RRC信令中携带终端设备对应的组特征信息; 或, 接入网设备接收 来自核心网设备的 Sl/Iu接口信令,该 Sl/Iu接口信令中携带终端设备对 应的组特征信息。
步骤 503, 接入网设备根据该组特征信息为终端设备所属组确定组 RNTI。 在 LTE 系统中, 接入网设备需要为终端设备所属组确定组 C-RNTI。 在 UMTS 系统中, 接入网设备需要为终端设备所属组确定组 H-RNTI。 此外, 在获得终端设备对应的组特征信息之后, 接入网设备还 需要为终端设备分配该终端设备自身对应的 RNTI, 该分配以及后续处 理过程本发明实施例中不再赘述。
本发明实施例中, 终端设备对应的组特征信息包括终端设备所属组 的组标识信息, 且具有相同组标识信息的终端设备具有相同的组 RNTI。 基于此, 接入网设备利用组特征信息为终端设备所属组确定组 RNTI , 包括但不限于: 接入网设备从已记录的组标识信息与组 RNTI的对应关 系中, 查找包括该终端设备所属组的组标识信息的对应关系; 如果查找 到包括所述终端设备所属组的组标识信息的对应关系, 则接入网设备将 组标识信息对应的组 RNTI设置为终端设备所属组的组 RNTI;如果没有 查找到包括所述终端设备所属组的组标识信息的对应关系, 则接入网设 备为终端设备所属组分配组 RNTI , 并记录该组标识信息与分配的组 RNTI之间的对应关系。
步骤 504 , 接入网设备将组 RNTI发送给终端设备。 本发明实施例中, 接入网设备将组 RNTI发送给终端设备, 包括但 不限于: 接入网设备通过 MAC ( Media Access Control , 介质访问控制 ) PDU ( Protocol Data Unit, 协议数据单元 )将组 RNTI发送给终端设备, 即接入网设备将组 RNTI包含在向终端设备发送数据的 MAC PDU的头 中; 或者, 接入网设备通过 RRC信令将组 RNTI发送给终端设备。
进一步的, 在 UMTS中, 接入网设备为 RNC。 RNC在利用组特征 信息为终端设备所属组分配组 RNTI 之后, 还可以包括: RNC 通过 HS-DSCH FP帧将组 RNTI发送给基站设备, HS-DSCH FP帧具体可以 为特殊的 HS-DSCH FP帧(为了传输 RNTI而设计的)或其他 HS-DSCH FP帧; 或者, RNC通过 FACH ( Forward Access Channel前向接入信道 ) FP帧将组 RNTI发送给基站设备,即 RNC将组 RNTI包含在 MAC PDU 头中, 并通过 FACH FP帧发送给基站设备; 或者, RNC通过 Iub接口 信令将组 RNTI发送给基站设备。
步骤 505 , 终端设备接收来自接入网设备的组 RNTI。
针对接入网设备不同的通知方式, 终端设备接收来自接入网设备的 组 RNTI , 包括但不限于: 终端设备接收来自接入网设备的 RRC信令, 且该 RRC信令中携带组 RNTI; 或者, 终端设备接收来自接入网设备的 MAC PDU , 且该 MAC PDU中携带组 RNTI。
本发明实施例中, 在接入网设备利用组特征信息为终端设备所属组 分配组 RNTI之后, 该接入网设备还可以通过组 RNTI向终端设备所属 组内的各终端设备调度传输相同的数据; 进一步的, 在 LTE系统中, 终 端设备可以利用该组 RNTI以及自身对应的 C-RNTI解码控制信道; 在 UMTS中, 终端设备可以利用该组 RNTI以及自身对应的 H-RNTI解码 控制信道。
本发明实施例中, 在接入网设备利用组特征信息为终端设备所属组 分配组 RNTI之后, 当终端设备进入到空闲态后, 则该终端设备需要释 放组 RNTI。 进一步的, 接入网设备在获知终端设备所属组内的各终端 设备都进入到空闲态之后, 则该接入网设备需要释放为终端设备所属组 分配的组 RNTL 例如, 删除已记录的该终端设备所属组的组标识信息 与组 RNTI之间的对应关系。 实施例二
本发明实施例二提供一种无线网络临时标识的传输方法。 如图 6所 示, MME 向基站设备发送初始上下文建立请求消息之前的步骤同现有 流程。该过程具体包括:终端设备开始随机接入过程,发送 Preamble码; 基站设备收到 Preamble码后向终端设备反馈随机接入响应消息,该随机 接入响应消息中携带基站设备分配的临时 C-RNTI; 终端设备收到随机 接入响应消息后向基站设备发送 RRC连接建立请求消息; 基站设备收 到 RRC连接建立请求消息后向终端设备反馈 RRC连接建立响应消息, 该 RRC连接建立响应消息中携带终端设备发送的 RRC连接建立请求消 息; 终端设备通过 RRC连接建立响应消息中携带的 RRC连接建立请求 消息是否为自身发送的消息来判断是否竟争解决; 若是, 则将临时 C-RNTI变为 C-RNTI并保存; 终端设备向基站设备发送 RRC连接建立 完成消息;基站设备收到 RRC连接建立完成消息后, 向 MME发起该终 端设备相关的初始 UE消息, 为该终端设备创建上下文。
进一步的, MME 向基站设备发送初始上下文建立请求消息以及之 后的过程, 还可以包括以下步骤:
步骤 601 , MME收到初始 UE信息后, 通过其中的终端标识识别出 终端设备所属组, 获知终端设备对应的组特征信息, 并在初始上下文建 立请求消息中将终端设备对应的组特征信息通知给基站设备。 终端设备的标识与组具有对应关系。 根据终端设备标识与该对应关 系, MME可以识别出终端设备所属组。 在一个具体实施方式中, MME 识别该终端设备的标识对应的终端设备标识区间。 该终端设备所属组为 该终端设备标识区间对应的组。 例如, 若终端设备的标识 0000000100 对应的标识区间为 0000000000-0000001000 , 并且该标识区间对应的组 为组 30, 则该终端设备属于组 30。
步骤 602, 基站设备收到终端设备对应的组特征信息后, 根据该组 特征信息, 为终端设备所属组分配组 RNTI (即组 C-RNTI ) , 并保存组 特征信息 (即终端设备所属组的组标识信息) 与组 RNTI之间的对应关 系。 后续再有携带相同组特征信息发起的 RRC连接时, 则基站设备可 以利用该对应关系直接分配相同的组 RNTI。
步骤 603,基站设备通过 RRC消息或者在 MAC PDU中携带特殊的 MAC CE ( Control Element, 控制单元)将组 RNTI通知给终端设备。
步骤 604, 终端设备保存组 RNTI (即组 C-RNTI ) 。
实施例三
本发明实施例三提供一种无线网络临时标识的传输方法。 如图 7所 示, 终端设备向基站设备发送 RRC连接建立请求消息之前的步骤同现 有流程, 该过程具体包括: 终端设备开始随机接入过程, 发送 Preamble 码; 基站设备收到 Preamble码后向终端设备反馈随机接入响应消息, 该 随机接入响应消息中携带基站设备分配的临时 C-RNTI; 终端设备收到 随机接入响应消息后向基站设备发送 RRC连接建立请求消息。
进一步的, 终端设备向基站设备发送 RRC连接建立请求消息以及 之后的过程中, 还可包括以下步骤:
步骤 701 ,终端设备通过 RRC连接建立请求消息将终端设备对应的 组特征信息 (即终端设备所属组的组标识信息)通知给基站设备。 所述 RRC连接建立请求消息中携带该终端设备对应的组特征信息。 步骤 702, 基站设备收到终端设备对应的组特征信息后, 为终端设 备所属组分配组 RNTI (即组 C-RNTI ) , 并保存组特征信息(即终端设 备所属组的组标识信息)与组 RNTI之间的对应关系; 后续再有通过携 带相同组特征信息的 RRC连接建立请求消息发起的 RRC连接时, 则基 站设备可以利用该对应关系为该终端设备分配相同的组 RNTI, 该终端 设备发送了携带了相同组特征信息的 RRC连接建立请求消息。
步骤 703,基站设备通过 RRC连接建立消息将组 RNTI通知给终端 设备。
步骤 704, 如果终端设备的随机接入竟争解决, 则终端设备保存接 收到的 RRC连接建立消息中携带的组 RNTI。
后续步骤同现有流程,该过程具体包括:在随机接入竟争解决之后, 终端设备向基站设备发送 RRC连接建立完成消息; 基站设备收到 RRC 连接建立完成消息后, 向 MME发起该终端设备相关的初始 UE消息, 为该终端设备创建上下文; MME 为该终端设备建立上下文后, 通过初 始上下文建立请求消息通知基站设备建立该终端设备上下文以及承载; 基站设备通过 RRC重配置消息为该终端设备配置相关承载。 实施例四
本发明实施例四提供一种无线网络临时标识的传输方法。 如图 8所 示, 该方法包括以下步骤:
步骤 801 ,终端设备通过 RRC连接建立请求消息将终端设备对应的 组特征信息 (即终端设备所属组的组标识信息)通知给 RNC。
步骤 802, RNC收到终端设备对应的组特征信息后, 为终端设备所 属组分配组 RNTI (即组 H-RNTI ) , 并保存组特征信息(即终端设备所 属组的组标识信息)与组 RNTI之间的对应关系; 后续再有通过携带相 同组特征信息的 RRC连接建立请求消息发起的 RRC连接时, 则 RNC 可以利用该对应关系为该终端设备分配相同的组 RNTI , 且该终端设备 发送了携带了相同组特征信息的 RRC连接建立请求消息。
步骤 803, RNC通过 Iub接口信令(即无线链路建立请求消息)将 组 RNTI通知给基站设备。且基站设备向 RNC反馈无线链路建立响应消 息。
步骤 804, RNC通过 RRC消息(即 RRC连接建立消息)将组 RNTI 通知给终端设备。
步骤 805 , 终端设备收到自身的 RRC连接建立消息后, 保存其中携 带的组 RNTI。
实施例五
本发明实施例五提供一种无线网络临时标识的传输方法。 如图 9所 示,核心网设备向 RNC发送 RAB分配请求消息之前的步骤同现有流程, 该过程具体包括: 终端设备向 RNC发送 RRC连接建立请求消息; RNC 收到 RRC连接建立请求消息后为终端设备分配 H-RNTI , 并通过无线链 路建立消息将 H-RNTI发送给基站设备;基站设备向 RNC反馈无线链路 建立响应消息; RNC通过 RRC连接建立消息将 H-RNTI通知给终端设 备; 终端设备向 RNC反馈 RRC连接建立完成消息; RNC收到 RRC连 接建立完成消息后向核心网实体发送初始 UE消息; 核心网实体通过直 传消息和 RNC沟通非接入层配置信息; 核心网实体通过 RAB分配消息 为该终端设备建立无线承载配置。
进一步的,核心网设备向 RNC发送 RAB分配请求消息以及之后的 过程中, 还可以包括以下步骤:
步骤 901 ,核心网设备通过 RAB分配请求消息将终端设备对应的组 特征信息 (即终端设备所属组的组标识信息)通知给 RNC。
步骤 902, RNC收到终端设备对应的组特征信息后, 为终端设备所 属组分配组 RNTI (即组 H-RNTI ) , 并保存组特征信息(即终端设备所 属组的组标识信息)与组 RNTI之间的对应关系; 后续再有通过携带相 同组特征信息发起的 RRC连接建立请求消息发起的 RRC 连接时, 则 RNC可以利用该对应关系为该终端设备分配相同的组 RNTI , 该终端设 备发送了携带了相同组特征信息的 RRC连接建立请求消息。
步骤 903 , RNC通过 Iub接口信令(即无线链路重配置消息)将组 RNTI通知给基站设备,且基站设备向 RNC反馈无线链路建立响应消息。
步骤 904, RNC通过 RB建立消息或 RB重配置消息(其均属于 RRC 消息)将组 RNTI通知给终端设备。
步骤 905, 终端设备收到组 RNTI后, 保存组 RNTI。
实施例六
在 LTE系统中,本发明实施例六提供一种基于组 RNTI的下行数据 传输过程。 如图 10所示, 该过程包括以下步骤:
步骤 1001 , 当基站设备向某组中的全部终端设备发送相同数据时, 使用该组的 C-RNTI加扰 PDCCH调度下行该数据。
步骤 1002, 终端设备分别使用自身的 C-RNTI和组 C-RNTI尝试解 码控制信道, 正确解码 PDCCH后获取数据传输的资源, 并在对应的资 源上接收数据。
步骤 1003, 基站设备在调度的资源上通过 PDSCH传输下行数据。 实施例七
在 UMTS系统中, 本发明实施例七提供一种基于组 RNTI的下行数 据传输过程, 如图 11所示, 该过程包括以下步骤:
步骤 1101 , RNC通过 HS-DSCH FP帧携带要发送的数据, 发送到 基站设备, 且该 HS-DSCH FP帧携带组 H-RNTI。 当然, RNC还可以使 用针对 MTC设备组新定义的 HS-DSCH FP帧携带要发送的数据到基站 设备。
所述针对 MTC 设备组新定义的 HS-DSCH FP 帧还可以携带组 H-RNTI。
步骤 1102,基站设备收到该 HS-DSCH FP帧后,使用其中携带的组 H-RNTI加扰 HS-SCCH调度数据,之后 HS-PDSCH按照 HS-SCCH调度 的资源发送数据。
步骤 1103, 终端设备分别使用自身的 H-RNTI和组 H-RNTI尝试解 码控制信道, 正确解码 HS-SCCH后获取数据传输的资源, 并在对应的 资源上接收数据。 实施例八
基于与上述方法同样的发明构思, 本发明实施例中还提供了一种接 入网设备, 如图 12所示, 该接入网设备包括:
接收模块 11 , 用于在终端设备进入连接态时,接收所述终端设备对 应的组特征信息;
分配模块 12,用于利用所述组特征信息为所述终端设备所属组确定 组无线网络临时标识(RNTI ) ;
发送模块 13 , 用于将所述组 RNTI发送给所述终端设备。
所述接收模块 11 ,具体用于接收来自所述终端设备的无线资源控制 RRC信令,获取所述 RRC信令中携带所述终端设备对应的组特征信息; 或者,接收来自核心网设备的 Sl/Iu接口信令, 获取所述 Sl/Iu接口信令 中携带所述终端设备对应的组特征信息。
所述终端设备对应的组特征信息包括所述终端设备所属组的组标 识信息; 所述分配模块 12, 具体用于从已记录的组标识信息与组 RNTI 的对应关系中, 查找包括所述终端设备所属组的组标识信息的对应关 系; 如果查找到包括所述终端设备所属组的组标识信息的对应关系, 则 将分配所述组标识信息对应的组 RNTI确定为所述终端设备所属组的组 RNTI;如果没有查找到包括所述终端设备所属组的组标识信息的对应关 系, 则为所述终端设备所属组分配组 RNTI, 并记录所述组标识信息与 所述分配的组 RNTI之间的对应关系。
所述发送模块 13, 具体用于通过介质访问控制 (MAC )协议数据 单元( PDU )将所述组 RNTI发送给所述终端设备; 或者, 通过 RRC信 令将所述组 RNTI发送给所述终端设备。
在通用移动通信系统(UMTS ) 中, 所述接入网设备为无线网络控 制器 (RNC ) ; 所述发送模块 13 , 还用于通过高速下行共享信道 ( HS-DSCH )帧协议(FP )帧将所述组 RNTI发送给基站设备; 或, 通 过前向接入信道( FACH ) FP帧将所述组 RNTI发送给基站设备; 或, 通过 Iub接口信令将所述组 RNTI发送给基站设备。
所述发送模块 13, 还用于通过所述组 RNTI向所述终端设备所属组 内的各终端设备调度传输相同的数据。
接入网设备还包括释放模块 14,用于在获知所述终端设备所属组内 的各终端设备都进入到空闲态之后, 释放为终端设备所属组分配的所述 组 RNTI。
其中, 本发明装置的各个模块可以集成于一体, 也可以分离部署。 上述模块可以合并为一个模块, 也可以进一步拆分成多个子模块。 实施例九
基于与上述方法同样的发明构思, 本发明实施例中还提供了一种终 端设备, 如图 13所示, 该终端设备包括:
发送模块 21 , 用于在终端设备进入连接态时, 将终端设备对应的组 特征信息发送给接入网设备, 由所述接入网设备利用所述组特征信息为 所述终端设备所属组分配组无线网络临时标识( RNTI ) ;
接收模块 22, 用于接收来自所述接入网设备的所述组 RNTI。
所述发送模块 21 , 具体用于通过无线资源控制 RRC信令将所述终 端设备对应的组特征信息发送给接入网设备; 或者, 将所述终端设备对 应的组特征信息发送给核心网设备, 由核心网设备通过 Sl/Iu接口信令 将所述终端设备对应的组特征信息发送给接入网设备。
所述接收模块 22,具体用于接收来自所述接入网设备的 RRC信令, 得到所述 RRC信令中携带所述组 RNTI; 或者, 接收来自所述接入网设 备的介质访问控制 MAC协议数据单元 PDU,得到所述 MAC PDU中携 带所述组 RNTI。
终端设备还包括处理模块 23 , 用于在长期演进( LTE ) 系统中, 在 接入网设备通过所述组 RNTI向所述终端设备所属组内的各终端设备调 度传输相同的数据时, 分别利用所述组 RNTI以及所述终端设备对应的 小区无线网络临时标识(C-RNTI )解码控制信道;
在通用移动通信系统 UMTS 中, 在所述接入网设备通过所述组 RNTI 向所述终端设备所属组内的各终端设备调度传输相同的数据时, 分别利用所述组 RNTI 以及自身对应的 HS-DSCH 无线网络临时标识 ( H-RNTI )解码控制信道。
该终端设备还包括: 释放模块 24, 用于当所述终端设备进入到空闲 态之后, 释放所述组 RNTI。 其中, 本发明装置的各个模块可以集成于一体, 也可以分离部署。 上述模块可以合并为一个模块, 也可以进一步拆分成多个子模块。
通过以上的实施方式的描述, 本领域的技术人员可以清楚地了解到 本发明可借助软件加必需的通用硬件平台的方式来实现, 当然也可以通 过硬件, 但很多情况下前者是更佳的实施方式。 基于这样的理解, 本发 明的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产 品的形式体现出来, 该计算机软件产品存储在一个存储介质中, 包括若 干指令用以使得一台计算机设备(可以是个人计算机, 服务器, 或者网 络设备等)执行本发明各个实施例所述的方法。
本领域技术人员可以理解附图只是一个优选实施例的示意图, 附图 中的模块或流程并不一定是实施本发明所必须的。
本领域技术人员可以理解实施例中的装置中的模块可以按照实施 例描述进行分布于实施例的装置中, 也可以进行相应变化位于不同于本 实施例的一个或多个装置中。 上述实施例的模块可以合并为一个模块, 也可以进一步拆分成多个子模块。
上述本发明实施例序号仅仅为了描述, 不代表实施例的优劣。 以上公开的仅为本发明的几个具体实施例, 但是, 本发明并非局限 于此, 任何本领域的技术人员能思之的变化都应落入本发明的保护范 围。

Claims

权利要求书
1、 一种无线网络临时标识的传输方法, 其特征在于, 包括: 在终端设备进入连接态时, 接入网设备获得终端设备对应的组特征 信息;
所述接入网设备利用所述组特征信息为所述终端设备所属组分配 组无线网络临时标识 RNTI;
所述接入网设备将所述组 RNTI发送给所述终端设备。
2、 如权利要求 1 所述的方法, 其特征在于, 所述接入网设备获得 终端设备对应的组特征信息, 包括:
所述接入网设备接收来自所述终端设备的无线资源控制 RRC信令, 所述 RRC信令中携带所述终端设备对应的组特征信息; 或者,
所述接入网设备接收来自核心网设备的 Sl/Iu接口信令, 所述 Sl/Iu 接口信令中携带所述终端设备对应的组特征信息。
3、 如权利要求 1 所述的方法, 其特征在于, 所述终端设备对应的 组特征信息包括所述终端设备所属组的组标识信息;
所述接入网设备利用所述组特征信息为所述终端设备所属组分配 组无线网络临时标识 RNTI, 包括:
所述接入网设备从已记录的组标识信息与组 RNTI的对应关系中, 查找包括所述终端设备所属组的组标识信息对应关系; 如果查找到包括 所述终端设备所属组的组标识信息的对应关系, 则将所述组标识信息对 应的组 RNTI分配为所述终端设备所属组的组 RNTI;如果没有查找到包 括所述终端设备所属组的组标识信息的对应关系, 则为所述终端设备所 属组分配所述组 RNTI, 并记录所述组标识信息与所述分配的组 RNTI 之间的对应关系。
4、 如权利要求 1 所述的方法, 其特征在于, 所述接入网设备将所 述组 RNTI发送给所述终端设备, 包括:
所述接入网设备通过介质访问控制 MAC协议数据单元 PDU将所述 组 RNTI发送给所述终端设备; 或者,
所述接入网设备通过 RRC信令将所述组 RNTI发送给所述终端设 备。
5、 如权利要求 1 所述的方法, 其特征在于, 在通用移动通信系统 UMTS中, 所述接入网设备为无线网络控制器 RNC, 该方法还包括: 所述 RNC通过高速下行共享信道 HS-DSCH帧协议 FP帧将所述组 RNTI发送给基站设备; 或者,
所述 RNC通过前向接入信道 FACH FP帧将所述组 RNTI发送给基 站设备; 或者,
所述 RNC通过 Iub接口信令将所述组 RNTI发送给基站设备。
6、 如权利要求 1所述的方法, 其特征在于, 还包括:
所述接入网设备通过所述组 RNTI向所述终端设备所属组内的各终 端设备调度传输相同的数据。
7、 如权利要求 1所述的方法, 其特征在于, 还包括:
所述接入网设备在获知所述终端设备所属组内的各终端设备都进 入到空闲态之后, 释放为所述终端设备所属组分配的所述组 RNTI。
8、 一种无线网络临时标识的传输方法, 其特征在于, 包括: 在终端设备进入连接态时, 所述终端设备将自身对应的组特征信息 发送给接入网设备, 由所述接入网设备利用所述组特征信息为所述终端 设备所属组分配组无线网络临时标识 RNTI;
所述终端设备接收来自所述接入网设备的所述组 RNTI。
9、 如权利要求 8所述的方法, 其特征在于, 所述终端设备将自身 对应的组特征信息发送给接入网设备, 包括:
所述终端设备通过无线资源控制 RRC信令将自身对应的组特征信 息发送给所述接入网设备; 或者,
所述终端设备将自身对应的组特征信息发送给核心网设备, 由所述 核心网设备通过 Sl/Iu接口信令将所述终端设备对应的组特征信息发送 给所述接入网设备。
10、 如权利要求 8所述的方法, 其特征在于, 所述终端设备接收来 自所述接入网设备的所述组 RNTI , 包括:
所述终端设备接收来自所述接入网设备的携带所述组 RNTI的 RRC 信令; 或者,
所述终端设备接收来自所述接入网设备的携带所述组 RNTI的介质 访问控制 MAC协议数据单元 PDU。
11、 如权利要求 8所述的方法, 其特征在于, 该方法还包括: 在长期演进 LTE 系统中, 所述终端设备分别利用所接收到的组
RNTI以及自身对应的小区无线网络临时标识 C-RNTI解码控制信道; 在通用移动通信系统 UMTS中,所述终端设备分别利用所接收到的 组 RNTI以及自身对应的 HS-DSCH无线网络临时标识 H-RNTI解码控 制信道。
12、 如权利要求 8所述的方法, 其特征在于, 该方法还包括: 当所述终端设备进入到空闲态之后, 所述终端设备释放所述组 RNTL
13、 一种接入网设备, 其特征在于, 包括:
接收模块, 用于在终端设备进入连接态时, 接收所述终端设备对应 的组特征信息; 分配模块, 用于利用所述组特征信息为所述终端设备所属组分配组 无线网络临时标识 RNTI;
发送模块, 用于将所述组 RNTI发送给所述终端设备。
14、 如权利要求 13所述的接入网设备, 其特征在于,
所述接收模块, 具体用于接收来自所述终端设备的无线资源控制 RRC信令, 所述 RRC信令中携带所述终端设备对应的组特征信息; 或 者,
接收来自核心网设备的 Sl/Iu接口信令,所述 Sl/Iu接口信令中携带 所述终端设备对应的组特征信息。
15、 如权利要求 13 所述的接入网设备, 其特征在于, 所述终端设 备对应的组特征信息包括所述终端设备所属组的组标识信息;
所述分配模块, 具体用于从已记录的组标识信息与组 RNTI的对应 关系中, 查找包括所述终端设备所属组的组标识信息的对应关系; 如果 查找到包括所述终端设备所属组的组标识信息的对应关系, 则将所述组 标识信息对应的组 RNTI分配为所述终端设备所属组的组 RNTI;如果没 有查找到包括所述终端设备所属组的组标识信息的对应关系, 则为所述 终端设备所属组分配所述组 RNTI, 并记录所述组标识信息与所述分配 的组 RNTI之间的对应关系。
16、 如权利要求 13所述的接入网设备, 其特征在于,
所述发送模块, 具体用于通过介质访问控制 MAC 协议数据单元 PDU将所述组 RNTI发送给所述终端设备; 或者,
通过 RRC信令将所述组 RNTI发送给所述终端设备。
17、 如权利要求 13 所述的接入网设备, 其特征在于, 在通用移动 通信系统 UMTS中, 所述接入网设备为无线网络控制器 RNC;
所述发送模块,还用于通过高速下行共享信道 HS-DSCH 帧协议 FP 帧将所述组 RNTI发送给基站设备; 或者,
通过前向接入信道 FACH FP帧将所述组 RNTI发送给基站设备;或 者,
通过 Iub接口信令将所述组 RNTI发送给基站设备。
18、 如权利要求 13所述的接入网设备, 其特征在于,
所述发送模块, 还用于通过所述组 RNTI向所述终端设备所属组内 的各终端设备调度传输相同的数据。
19、 如权利要求 13所述的接入网设备, 其特征在于, 还包括: 释放模块, 用于在获知所述终端设备所属组内的各终端设备都进入 到空闲态之后, 释放为所述终端设备所属组分配的所述组 RNTI。
20、 一种终端设备, 其特征在于, 包括:
发送模块, 用于在终端设备进入连接态时, 将终端设备对应的组特 征信息发送给接入网设备, 由所述接入网设备利用所述组特征信息为所 述终端设备所属组分配组无线网络临时标识 RNTI;
接收模块, 用于接收来自所述接入网设备的所述组 RNTI。
21、 如权利要求 20所述的终端设备, 其特征在于,
所述发送模块, 具体用于通过无线资源控制 RRC信令将所述终端 设备对应的组特征信息发送给所述接入网设备; 或者,
将所述终端设备对应的组特征信息发送给核心网设备, 由核心网设 备通过 Sl/Iu接口信令将所述终端设备对应的组特征信息发送给所述接 入网设备。
22、 如权利要求 20所述的终端设备, 其特征在于,
所述接收模块, 具体用于接收来自所述接入网设备的携带所述组 RNTI的 RRC信令; 或者, 接收来自所述接入网设备的携带所述组 RNTI 的介质访问控制 MAC协议数据单元 PDU。
23、 如权利要求 20所述的终端设备, 其特征在于, 还包括: 处理模块, 用于在长期演进 LTE 系统中, 分别利用所接收到的组 RNTI 以及所述终端设备对应的小区无线网络临时标识 C-RNTI解码控 制信道;
在通用移动通信系统 UMTS中, 分别利用所接收到的组 RNTI以及 自身对应的 HS-DSCH无线网络临时标识 H-RNTI解码控制信道。
24、 如权利要求 20所述的终端设备, 其特征在于, 还包括: 释放模块, 用于当所述终端设备进入到空闲态之后, 释放所述组
RNTL
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