WO2012163302A1 - 一种接入网络的方法、终端及系统 - Google Patents

一种接入网络的方法、终端及系统 Download PDF

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Publication number
WO2012163302A1
WO2012163302A1 PCT/CN2012/076422 CN2012076422W WO2012163302A1 WO 2012163302 A1 WO2012163302 A1 WO 2012163302A1 CN 2012076422 W CN2012076422 W CN 2012076422W WO 2012163302 A1 WO2012163302 A1 WO 2012163302A1
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WO
WIPO (PCT)
Prior art keywords
terminal
relay
channel
served
network side
Prior art date
Application number
PCT/CN2012/076422
Other languages
English (en)
French (fr)
Inventor
罗海云
高有军
胡臻平
吴伟民
王德胜
曾宇辉
刘德民
Original Assignee
中国移动通信集团公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中国移动通信集团公司 filed Critical 中国移动通信集团公司
Publication of WO2012163302A1 publication Critical patent/WO2012163302A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W40/00Communication routing or communication path finding
    • H04W40/02Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/22Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/20Selecting an access point
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/12Shortest path evaluation
    • H04L45/125Shortest path evaluation based on throughput or bandwidth
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/04Terminal devices adapted for relaying to or from another terminal or user
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to a method, a terminal, and a system for accessing a network. Background technique
  • MIMO multi-antenna-multi-output
  • high-order modulation and coding can be used to improve the data transmission rate, so as to meet the data transmission rate requirement of the service executed in the terminal.
  • the channel shield For a terminal that is far away from the base station or a terminal that is in an environment with many obstacles, because the channel shield is not ideal, multi-antenna diversity or inter-cell cooperation technology may be utilized, or a relay station may be used for extended coverage. Thereby enhancing the channel shield of the terminal and ensuring the stability of data transmission as much as possible.
  • the embodiments of the present invention provide a method, a terminal, and a system for accessing a network, which are used to solve the problem that the channel shield is not ideal in the prior art, and it is difficult to implement data transmission at a higher data transmission rate.
  • a method of accessing a network comprising:
  • the served terminal sends an access indication to the relay terminal through the relay channel, and the relay terminal is required to access the served terminal to the network side.
  • a method of accessing a network comprising:
  • the relay terminal establishes a relay channel between the terminal and the served terminal;
  • the relay terminal initiates a random access procedure to the network side according to the received access indication.
  • a terminal, the terminal includes:
  • a relay channel establishing module configured to establish a relay channel with the relay terminal
  • the first sending module is configured to send an access indication to the relay terminal through the relay channel, and request the relay terminal to access the terminal to the network side.
  • a terminal, the terminal includes:
  • a relay channel establishing module configured to establish a relay channel with the served terminal
  • a first receiving module configured to receive an access indication sent by the serving terminal by using a relay channel, where the access indication requires the terminal to be accessed by the serving terminal to the network side;
  • a sending module configured to initiate a random access procedure to the network side according to the received access indication.
  • a system for accessing a network including a served terminal and a relay terminal, wherein:
  • the served terminal is configured to establish a relay channel with the relay terminal, and send an access indication to the relay terminal through the relay channel;
  • the relay terminal is configured to establish a relay channel with the served terminal, receive an access indication sent by the serving terminal, and initiate a random access procedure to the network side according to the received access indication.
  • the relay terminal is used to connect the served terminal to the network by establishing a relay channel between the served terminal and the relay terminal.
  • the data transmission rate between the served terminal and the relay terminal can be ensured through the relay channel. If the channel shield of the relay terminal is superior, Ensure the data transmission rate between the relay terminal and the network side, thus ensuring that the data can be transmitted between the served terminal and the network side at a higher data transmission rate, thereby ensuring the smooth execution of services requiring higher data transmission rates.
  • FIG. 1 is a schematic flowchart of a step of accessing a network according to an embodiment of the present disclosure
  • FIG. 2 is a schematic diagram of signaling interaction between a relay terminal and a served terminal according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a system for accessing a network according to Embodiment 4 of the present invention. detailed description
  • the terminals can directly communicate with each other, the short-distance communication technology or the long-distance communication technology between the terminals of the LTE system is used to support the data relay of the control plane and the terminal plane, which can effectively improve the terminal with poor channel shield or The transmission rate of the terminal in the blind zone, thereby increasing the throughput and coverage of the LTE system to meet the higher data rate transmission requirements.
  • the embodiment of the present invention provides a method for accessing a network.
  • the channel shield of the served terminal is lower than the first set value, and the channel shield of the relay terminal is higher than the second set value.
  • the difference between the channel shield of the relay terminal and the channel shield of the served terminal is greater than the third set value, a relay channel is established between the served terminal and the relay terminal, and the relay channel is used.
  • the relay terminal will be connected to the network by the serving terminal.
  • the channel shield of the served terminal is not limited to be lower than the first set value, and the channel shield of the relay terminal is not limited to be higher than the second set value, and is not limited to the channel shield of the relay terminal.
  • the difference between the amount and the channel shield of the served terminal is greater than the third set value, and a relay channel can still be established between the served terminal and the relay terminal, and the served terminal is connected to the network by using the relay terminal.
  • the data transmission is implemented, that is, the solution provided by this embodiment may also establish a relay channel between the served terminal and the relay terminal according to other trigger conditions, and use the relay terminal to connect the service terminal to the network to implement data transmission.
  • the process flow of the method is as shown in FIG. 1 , and specifically includes the following steps:
  • Step 101 Establish a relay channel between the served terminal and the relay terminal.
  • the served terminal refers to a terminal whose channel shield is lower than a first set value
  • the relay terminal refers to a terminal whose channel shield is higher than a second set value
  • the served terminal When the served terminal needs to access the network side, it performs a discovery and negotiation process with the relay terminal, and establishes a relay channel.
  • the relay channel can be established by a short-range communication technology, such as the 802.11x WLAN protocol.
  • the relay channel can also be established by long-distance communication technologies such as CDMA, TD-SCDMA, LTE, and the like.
  • Step 102 The served terminal sends an access indication to the relay terminal through the relay channel.
  • the service terminal After the service terminal establishes a relay channel with the relay terminal, the service terminal sends an access indication to the relay terminal through the relay channel, and the relay terminal is required to access the service terminal to the network side.
  • the access indication may be, but is not limited to, being sent by the MAC layer or the RRC layer signaling, and preferably, the access indication may include the identifier of the served terminal.
  • the signaling format of the access indication can be as shown in Table 1.
  • the access indication includes a relay indication signaling identifier and a terminal identifier.
  • the relay indication signaling identifier is used to identify the signaling as a piece of access indication signaling, and the terminal identifier is used to identify the served terminal.
  • Step 103 The relay terminal initiates a random access procedure.
  • the relay terminal can perform random access based on a non-contention manner. Specifically, the relay terminal sends the MSG3 (ie, a radio resource control (RRC) connection establishment request message) to the network side according to the received access indication, where the RRC connection setup request message includes the The identity of the service terminal.
  • MSG3 ie, a radio resource control (RRC) connection establishment request message
  • the terminal sends an RRC connection setup request message carrying the identifier of the terminal itself that initiates the random access procedure, and is used to indicate that the terminal needs to access the network side on the network side.
  • the relay terminal needs to report the identifier of the served terminal, and is used to indicate that the network side relay terminal is an access/connection establishment request for performing relay service on the served terminal.
  • the request message may also carry the identifier of the relay terminal.
  • the field format that needs to be added in the RRC connection setup request message can be as shown in Table 2.
  • the identifier of the relay indication is used to indicate that the RRC connection setup request message is an access/connection establishment request message for performing relay service on the served terminal.
  • this step the relay terminal can also perform random access based on the contention. Then this step specifically includes:
  • the relay terminal sends a preamble to the network side according to the received access indication.
  • the network side After receiving the pilot code sent by the relay terminal, the network side returns a randomly assigned cell-Radio Network Temporary Identifier (C-RNTI) to the relay terminal.
  • C-RNTI cell-Radio Network Temporary Identifier
  • the relay terminal After receiving the C-RNTI returned by the network side, the relay terminal sends the MSG3 to the network side.
  • the MSG3 includes the C-RNTI and the identifier of the served terminal, and the network side may determine, according to the received C-RNTI carried in the MSG3 and the identifier of the served terminal, that the terminal that obtains the allocated C-RNTI is used for the The terminal indicated by the identifier of the serving terminal performs relay access.
  • the MSG3 message may further carry an identifier of the relay terminal.
  • Step 104 The relay terminal receives an RRC connection setup message sent by the network side.
  • the network side After receiving the RRC connection setup request message sent by the relay terminal, the network side returns MSG4 (ie, an RRC connection setup message) to the relay terminal.
  • MSG4 ie, an RRC connection setup message
  • Step 105 The relay terminal sends a random access success indication message to the served terminal.
  • the relay terminal After receiving the RRC connection setup message sent by the network side, the relay terminal establishes communication with the network side. Tunnel, at this time, the relay terminal may send a random access success indication message to the served terminal.
  • the relay channel is a channel established based on the 802.11x WLAN protocol
  • the relay terminal may send a random access success indication message to the served terminal through the WLAN interface.
  • the random access success indication message may include current MIB (Master Information Block) information and system broadcast message block (SIB, System Information Block) information, and the relay terminal performs random access at the proxy serviced terminal.
  • MIB Master Information Block
  • SIB System Information Block
  • Step 106 The served terminal sends an RRC connection setup complete message to the relay terminal through the relay channel.
  • the served terminal After receiving the random access success indication message, the served terminal extracts the system information and the MSG4, establishes the system message block SIB1, and configures the physical layer (PHY, Physical) parameter of the LTE radio interface, so that the relay channel can be utilized.
  • An RRC Connection Setup Complete message is sent to the relay terminal. Specifically, the served terminal bypasses the communication tunnel between the relay terminal and the network side to the relay channel, and sends an RRC connection establishment complete message to the relay terminal through the relay channel, indicating that the relay terminal passes the communication tunnel The RRC connection setup complete message is sent to the network side.
  • the communication tunnel may be, but is not limited to, a Packet Data Convergence Protocol (PDCP) based tunnel or a media access layer based MAC tunnel.
  • PDCP Packet Data Convergence Protocol
  • the network side can be represented by a base station eNB.
  • the step specifically includes: the served terminal bypasses the communication tunnel between the relay terminal and the network side to the WLAN interface, and sends the RRC connection through the WLAN interface.
  • the completion message is sent to the relay terminal, and the relay terminal sends the RRC connection setup complete message to the base station e B through the communication tunnel.
  • the RRC connection setup complete message sent by the serving terminal to the relay terminal may further include an attach request based on a non-access stratum (NAS) and a packet data network (PDN) connection request.
  • NAS non-access stratum
  • PDN packet data network
  • MME network side
  • the reference signal received power (RSRP, Reference Signal Received Power) can be periodically measured according to the configuration information on the network side:
  • the served terminal can access the network side through the current cell.
  • the relay terminal agent By using the uplink MAC layer control element (MAC CE, MAC Control Element), the relay terminal agent directly uses the C-RNTI, RRC connection, and NAS status allocated by the serving terminal in the random access process, and stops the communication tunnel to the relay channel.
  • the bypass is switched to carry the transmission of the communication tunnel packet data unit (PDU) through the Radio Link Control (RLC) layer.
  • PDU communication tunnel packet data unit
  • RLC Radio Link Control
  • the served terminal may access the network side through the neighboring cell. If the RSRP of the neighboring cell exceeds the second threshold, the served terminal may generate a measurement event that can trigger the handover, and transmit the measurement event to the eNB through the communication tunnel to trigger the handover process, and carry the relevant RRC connection through the communication tunnel. The signaling is re-allocated, so that the served terminal accesses the neighboring cell.
  • Step 107 The served terminal returns to the RRC-IDLE state.
  • the served terminal may request the relay terminal to access the served terminal to the network side again, and then perform step 101106 again.
  • the relay terminal can monitor the paging channel according to the terminal identifier of the served terminal, and if the relay terminal detects that the network side has the signaling of the paging served terminal, the notification is served.
  • the terminal accesses the network. Specifically, when the relay terminal detects that the system message change indication in the system message block SIB1 changes or the system broadcast message change indication is detected, the relay system receives the updated system broadcast message, and sends the updated system broadcast message to Being served by the terminal.
  • the serving terminal itself needs to listen to the paging of the served terminal by the network side. In this embodiment, the relay terminal is required to monitor the paging of the served terminal by the serving terminal instead of the served terminal.
  • the relay terminal For the paging message, the relay terminal sends the paging message to the served terminal, and the served terminal can send a receiving confirmation message to the relay terminal to confirm that the paging message is received, as shown in FIG. 2, the relay terminal and the A schematic diagram of the signaling interaction of the served terminal; the relay terminal can also listen to the paging channel. If the relay terminal monitors that the terminal identifier matches the terminal identifier of the served terminal, the relay terminal can notify the served terminal to respond to the paging message. Access to the network side.
  • the served terminal may determine whether the channel shield of the served terminal is lower than the first set value, and if yes, perform step 101 to step again. 106, Otherwise, access the network side according to the existing access procedure.
  • the terminal identifier may be, but is not limited to, an International Mobile Subscriber Identity (IMSI, International Mobile)
  • IMSI International Mobile Subscriber Identity
  • the direct communication between the relay terminal and the served terminal can be performed, not only the served terminal that has a lower channel shield and the lower shield of the relay terminal with better channel shield capacity can be accessed.
  • data transmission between the served terminal and the network side can be performed at a higher data transmission rate, and at the same time, when the served terminal communicates with the network side, that is, when the served terminal is in the RRC-CO NECTED state
  • the served terminal can also access the network side through the current cell or the neighboring cell, so that when the channel shield of the served terminal is increased, the channel can be further passed.
  • the relay terminal may monitor the change of the system broadcast message, or listen to the paging message, and detect that the system broadcast message changes, or the terminal identifier and the served terminal exist.
  • Terminal When the matching paging message is identified, the service terminal is notified to re-access the network side, so that the relay terminal is used to implement the system message forwarding proxy and the paging proxy to ensure that the network side needs to be served when communicating with the served terminal.
  • the terminal can access the network side in time.
  • the serviced terminal may also actively request the relay terminal to access the serviced terminal to the network side, thereby ensuring the smooth execution of the new service.
  • the method provided in the first embodiment of the present invention is based on the same inventive concept.
  • the second to fourth embodiments of the present invention provide the following terminals and systems.
  • a terminal provided by the second embodiment of the present invention, the channel shield of the terminal is lower than the first set value, and the structure of the terminal is as shown in FIG. 3, and includes:
  • the relay channel establishing module 11 is configured to establish a relay channel between the relay terminal and the relay terminal whose channel shield is higher than the second set value; the first sending module 12 is configured to send an access indication to the relay terminal through the relay channel.
  • the relay terminal is required to connect the terminal with the channel shield quantity lower than the first set value to the network side;
  • the first receiving module 13 is configured to: after receiving the access indication, the receiving terminal establishes with the network side a random access success indication message sent after the communication tunnel;
  • the second sending module 14 is configured to send the radio resource control to the relay terminal by using the relay channel after the first receiving module receives the random access success indication message The RRC Connection Setup Complete message.
  • the first sending module 12 is specifically configured to send an access indication that carries the identifier of the served terminal.
  • the first sending module 12 is specifically configured to send an access indication to the relay terminal by using a relay channel, based on the medium access control MAC layer signaling or the wireless resource control RRC layer signaling.
  • the second sending module 14 is specifically configured to bypass the communication tunnel between the relay terminal and the network side to the relay channel, and send an RRC connection setup complete message to the relay terminal through the relay channel, indicating that the relay terminal passes The communication tunnel sends the RRC connection setup complete message to the network side.
  • the determining module 15 included in the terminal is configured to: when the terminal is in the RRC-IDLE state, if receiving the notification of the access network side sent by the relay terminal, determining that the terminal has a low channel shield of the terminal in the RRC-IDLE state at the current time. At the first set value.
  • the terminal further includes:
  • the measurement module 16 is configured to: after the second sending module sends the RRC connection setup complete message to the network side, when the terminal is in the RRC-CO NECTED state, according to the configuration information of the network side, the current cell and the current cell where the terminal is located The reference signal received power RSRP of the neighboring cell is periodically measured;
  • the access module 17 is configured to: when the measurement module detects that the RSRP of the current cell exceeds the first threshold, access the network through the current cell, or when the measurement module measures that the RSRP of the neighboring cell exceeds the second threshold When the limit is reached, the neighboring cell accesses the network side.
  • the channel shield of the served terminal is not limited to be lower than the first set value, and the channel shield of the relay terminal is not limited to be higher than the second set value, and may still be at the served terminal.
  • Establish a relay with the relay terminal The function of the terminal is as follows: Still can be as shown in Figure 3):
  • the relay channel establishing module 11 is configured to establish a relay channel with the relay terminal.
  • the first sending module 12 is configured to send an access indication to the relay terminal through the relay channel, and request the relay terminal to access the terminal. Network side.
  • the relay channel establishing module 11 is specifically configured to establish a relay channel between the relay terminal and the relay terminal whose channel shield is higher than the second set value.
  • the first sending module 12 is specifically configured to send and receive to the relay terminal through the relay channel. In the indication, the relay terminal is required to connect the terminal whose channel shield quantity is lower than the first set value to the network side.
  • the terminal further includes:
  • the first receiving module 13 is configured to receive a random access success indication message that is sent after the communication terminal establishes a communication tunnel with the network side after receiving the access indication
  • the second sending module 14 is configured to receive the first After receiving the random access success indication message, the module sends a radio resource control RRC connection setup complete message to the relay terminal through the relay channel.
  • the first sending module 12 is specifically configured to send an access indication that carries the identifier of the served terminal.
  • the first sending module 12 is specifically configured to send an access indication to the relay terminal by using a relay channel, based on the medium access control MAC layer signaling or the wireless resource control RRC layer signaling.
  • the second sending module 14 is specifically configured to bypass the communication tunnel between the relay terminal and the network side to the relay channel, and send an RRC connection setup complete message to the relay terminal through the relay channel, indicating that the relay terminal passes The communication tunnel sends the RRC connection setup complete message to the network side.
  • the determining module 15 included in the terminal is configured to: when the terminal is in the RRC-IDLE state, if receiving the notification of the access network side sent by the relay terminal, determining that the terminal has a low channel shield of the terminal in the RRC-IDLE state at the current time. At the first set value.
  • the terminal further includes:
  • the measurement module 16 is configured to: after the second sending module sends the RRC connection setup complete message to the network side, when the terminal is in the RRC-CO NECTED state, according to the configuration information of the network side, the current cell and the current cell where the terminal is located The reference signal received power RSRP of the neighboring cell is periodically measured;
  • the access module 17 is configured to: when the measurement module detects that the RSRP of the current cell exceeds the first threshold, access the network through the current cell, or when the measurement module measures that the RSRP of the neighboring cell exceeds the second threshold When the limit is reached, the neighboring cell accesses the network side.
  • the relay channel establishing module 21 is configured to establish a relay between the served terminal with the channel shield lower than the first set value. aisle;
  • the first receiving module 22 is configured to receive an access indication sent by the serving terminal through the relay channel, where the terminal that requires the channel shield to be higher than the second set value is to be accessed by the serving terminal to the network side;
  • the first sending module 23 is configured to establish a communication tunnel between itself and the network side after receiving the access indication, and send a random access success indication message to the served terminal by using the relay channel.
  • the terminal further includes:
  • the second sending module 24 is configured to initiate a random access procedure to the network side when receiving the access indication
  • the second receiving module 25 is configured to receive an RRC connection setup message sent by the network side.
  • the first sending module 23 is specifically configured to: when the second receiving module receives the RRC connection setup message sent by the network side, send the random access success indication message to the served terminal by using the relay channel.
  • the second sending module 24 is specifically configured to send, to the network side, an RRC connection setup request message carrying the identifier of the served terminal.
  • the first receiving module 22 is further configured to receive an RRC connection setup complete message sent by the serving terminal through the relay channel;
  • the second sending module 24 is further configured to send the RRC connection setup complete message to the network side by using a communication tunnel between the terminal itself and the network side.
  • the terminal further includes a monitoring module 26 configured to: when the served terminal is in the RRC-IDLE state, monitor the paging channel according to the terminal identifier of the served terminal, and if the paging channel is monitored, detecting that the network side has a paging The signaling of the service terminal notifies the served terminal to access the network.
  • a monitoring module 26 configured to: when the served terminal is in the RRC-IDLE state, monitor the paging channel according to the terminal identifier of the served terminal, and if the paging channel is monitored, detecting that the network side has a paging The signaling of the service terminal notifies the served terminal to access the network.
  • the monitoring module 26 is specifically configured to: when detecting that the system message change indication systemlnfo Value Tag in the system message block SIB1 changes or after detecting the system broadcast message change indication, receiving the updated system broadcast message, and updating the system broadcast The message is sent to the served terminal.
  • the monitoring module 26 is further configured to: when the served terminal is in the RRC-IDLE state, monitor the paging channel, and if the paging channel is monitored, monitor the terminal identifier included in the paging message and the terminal identifier of the served terminal. If it matches, the serviced terminal is notified to respond to the paging message and accesses the network side.
  • the channel shield of the served terminal is not limited to be lower than the first set value, and the channel shield of the relay terminal is not limited to be higher than the second set value, and may still be at the served terminal.
  • a relay channel is established between the relay terminal and the relay terminal, and the terminal is accessed by the serving terminal to implement data transmission. Therefore, the terminal provided in this embodiment (which can serve as a relay terminal) is not limited to the above description, and the terminal is The structure diagram can be as shown in Figure 5.
  • the modules and functions can be as follows:
  • the relay channel establishing module 01 is configured to establish a relay channel with the served terminal; the first receiving module 02 is configured to receive an access indication sent by the serving terminal through the relay channel, where the access indication requires the terminal The serving terminal accesses the network side; the sending module 03 is configured to initiate a random access procedure to the network side according to the received access indication.
  • the relay channel establishing module 01 is specifically configured to establish a relay channel between the served terminal and the served terminal whose channel shield is lower than the first set value.
  • the first receiving module 02 is specifically configured to receive the transmitted by the served terminal through the relay channel. And an access indication, where the access indication requires that the terminal with the channel shield quantity higher than the second set value is to be accessed by the serving terminal to the network side.
  • the terminal further includes:
  • the second receiving module 04 is configured to receive an RRC connection setup message sent by the network side.
  • the sending module is specifically configured to: when the second receiving module receives the RRC connection setup message sent by the network side, send the random access success indication message to the served terminal by using the relay channel.
  • the sending module 03 is specifically configured to send, to the network side, an RRC connection setup request message carrying the identifier of the served terminal.
  • the first receiving module 02 is further configured to receive an RRC connection setup complete message sent by the serving terminal through the relay channel;
  • the sending module 03 is further configured to send the RRC connection setup complete message to the network side by using a communication tunnel between the terminal itself and the network side.
  • the terminal further includes a monitoring module 05, configured to monitor the paging channel according to the terminal identifier of the served terminal when the served terminal is in the RRC-IDLE state, and if the paging channel is monitored, detecting that the network side has a paging The signaling of the service terminal notifies the served terminal to access the network.
  • a monitoring module 05 configured to monitor the paging channel according to the terminal identifier of the served terminal when the served terminal is in the RRC-IDLE state, and if the paging channel is monitored, detecting that the network side has a paging The signaling of the service terminal notifies the served terminal to access the network.
  • the monitoring module 05 is specifically configured to: when detecting that the system message change indication systemlnfo Value Tag in the system message block SIB1 changes or after detecting a system broadcast message change indication, receiving an updated system broadcast message, and updating the system broadcast The message is sent to the served terminal.
  • the monitoring module 05 is further configured to: when the served terminal is in the RRC-IDLE state, monitor the paging channel, and if the paging channel is monitored, listen to the terminal identifier included in the paging message and the terminal identifier of the served terminal. If it matches, the serviced terminal is notified to respond to the paging message and accesses the network side.
  • a system for accessing a network is provided in Embodiment 4 of the present invention.
  • the schematic structural diagram of the system is as shown in FIG. 6, and includes a served terminal 31 and a relay terminal 32, where:
  • the served terminal 31 is configured to establish a relay channel with the relay terminal when the channel shield of the channel is lower than the first set value, and send an access indication to the relay terminal through the relay channel, and After receiving the random access success indication message sent by the relay terminal, sending, by using the relay channel, a radio resource control RRC connection establishment complete message to the relay terminal;
  • the relay terminal 32 is configured to establish a relay channel with the served terminal when the channel shield of the channel is higher than the second set value, receive an access indication sent by the serving terminal, and receive the access indication After the indication is entered and a communication tunnel is established with the network side, the random access success indication message is sent to the served terminal through the relay channel.
  • the channel shield of the served terminal is not limited to be lower than the first set value, and the channel shield of the relay terminal is not limited to be higher than the second set value, and may still be at the served terminal.
  • Establish a relay with the relay terminal The channel is connected to the network by the serving terminal to implement data transmission. Therefore, the system provided in this embodiment is not limited to the above description, and the functions of the served terminal 31 and the relay terminal 32 can be described as follows (the structure of the system) The schematic can still be as shown in Figure 6):
  • the served terminal 31 is configured to establish a relay channel with the relay terminal, and send an access indication to the relay terminal by using the relay channel;
  • the relay terminal 32 is configured to establish a relay channel with the served terminal, receive an access indication sent by the serving terminal, and initiate a random access procedure to the network side according to the received access indication.
  • the network side may include a base station, a mobility management entity, a serving gateway, a packet data network gateway, and a home subscriber server: the mobility management entity may be connected to the base station, and the service gateway may also The base stations are connected. Moreover, the mobility management entity can be further connected to the home subscriber server, and the service gateway can be further connected to the packet data network gateway.
  • the served terminal and the relay terminal can communicate through the 802.11g/n protocol, and the relay terminal and the network side can communicate through the standard LTE wireless communication interface.

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Abstract

本方案提供一种接入网络的方法、终端及系统,通过在被服务终端与中继终端之间建立中继通道,利用中继终端将被服务终端接入网络。相对于现有技术中将被服务终端直接接入网络侧的方案,可以通过中继通道确保被服务终端与中继终端之间的数据传输速率,若中继终端的信道质量较优,可以确保中继终端与网络侧之间的数据传输速率,从而确保了被服务终端与网络侧之间可以以较高的数据传输速率进行数据传输,保证对数据传输速率要求较高的业务的顺利执行。

Description

一种接入网络的方法、 终端及系统 本申请要求在 2011年 6月 3日提交中国专利局、 申请号为 201110149555.9、发明名称为
"一种接入网络的方法、 终端及系统"的中国专利申请的优先权, 其全部内容通过引用结合在本 申请中。
技术领域
本发明涉及无线通信技术领域, 尤其涉及一种接入网络的方法、 终端及系统。 背景技术
随着无线通信技术的发展, 为了保证各项业务的顺利执行, 各项业务对数据传输速率 提出了越来越高的要求。
为了满足各项业务对数据传输速率的要求, 在长期演进(LTE, long term evolution ) 系统中,针对距离基站较近的终端, 由于终端信道盾量比较理想,数据传输的稳定性较好, 为了提高数据传输速率, 可以釆用多天线复用 ( MIMO , multi-input-multi-output )技术或 者高阶调制编码方式, 以提高数据传输速率, 从而满足终端中执行的业务对数据传输速率 的需求。
而针对距离基站较远的终端或者处于障碍物较多的环境中的终端, 由于其信道盾量不 理想, 可以利用多天线分集或小区间协作技术, 或者利用中继站( relay station )进行扩展 覆盖, 从而增强终端的信道盾量, 尽可能保障数据传输的稳定性。
尽管可以釆用多天线分集或小区间协作技术、 或者利用中继站进行扩展覆盖的方式来 增强信道盾量不理想的终端数据传输的可靠性和稳定性, 但是当有对数据传输速率要求较 高的业务需要执行时, 还是很难明显地提高信道盾量不理想的终端的数据传输速率, 难以 保证该终端数据传输速率可以满足该业务的需求, 使得业务的顺利执行难以得到保障。 发明内容
本发明实施例提供一种接入网络的方法、 终端及系统, 用以解决现有技术中信道盾量 不理想的终端, 难以实现以较高的数据传输速率进行数据传输的问题。
一种接入网络的方法, 该方法包括:
被服务终端建立与中继终端之间的中继通道;
被服务终端通过中继通道向中继终端发送接入指示, 要求中继终端将被服务终端接入 网络侧。 一种接入网络的方法, 该方法包括:
中继终端建立与被服务终端之间的中继通道;
中继终端接收所述被服务终端通过所述中继通道发送的接入指示, 所述接入指示要求 中继终端将被服务终端接入网络侧;
中继终端根据接收到的所述接入指示, 向网络侧发起随机接入过程。
一种终端, 所述终端包括:
中继通道建立模块, 用于建立与中继终端之间的中继通道;
第一发送模块, 用于通过中继通道向中继终端发送接入指示, 要求中继终端将所述终 端接入网络侧。
一种终端, 所述终端包括:
中继通道建立模块, 用于建立与被服务终端之间的中继通道;
第一接收模块, 用于接收被服务终端通过中继通道发送的接入指示, 所述接入指示要 求所述终端将被服务终端接入网络侧;
发送模块, 用于根据接收到的所述接入指示, 向网络侧发起随机接入过程。
一种接入网络的系统, 包括被服务终端和中继终端, 其中:
被服务终端, 用于建立与所述中继终端之间的中继通道, 通过中继通道向中继终端发 送接入指示;
中继终端, 用于与所述被服务终端之间建立中继通道, 接收被服务终端发送的接入指 示, 并根据接收到的所述接入指示, 向网络侧发起随机接入过程。
在本发明实施例提供的方案中, 通过在被服务终端与中继终端之间建立中继通道, 利 用中继终端将被服务终端接入网络。 相对于现有技术中将被服务终端直接接入网络侧的方 案, 可以通过中继通道确保被服务终端与中继终端之间的数据传输速率, 若中继终端的信 道盾量较优, 可以确保中继终端与网络侧之间的数据传输速率, 从而确保了被服务终端与 网络侧之间可以以较高的数据传输速率进行数据传输, 保证对数据传输速率要求较高的业 务的顺利执行。 附图说明
图 1为本发明实施例 提供的接入网络的步骤流程示意图;
图 2为本发明实施例 提供的中继终端与被服务终端的信令交互示意图;
图 3为本发明实施例 .提供的一种终端的结构示意图;
图 4为本发明实施例 提供的一种终端的结构示意图;
图 5为本发明实施例 提供的 种终端的结构示意图
图 6为本发明实施例四提供的 种接入网络的系统的结构示意图。 具体实施方式
针对现有技术中信道盾量不理想的终端难以以较高的数据传输速率进行数据传输, 无 法保证对数据传输速率要求较高的业务的顺利执行的问题, 本发明实施例提供的方案中, 由于终端之间可以进行直接通信, 实现了 LTE系统的终端之间使用短距离通信技术或者长 距离通信技术来支持控制平面和终端平面的数据中继, 可以有效提高信道盾量比较差的终 端或者处于盲区的终端的传输速率, 从而提高 LTE系统的吞吐量和覆盖范围, 满足较高数 据速率传输需求。
下面结合说明书附图和各实施例对本发明技术方案进行详细说明。
实施例一、
本发明实施例一提供一种接入网络的方法, 在本实施例中, 以被服务终端的信道盾量 低于第一设定值, 中继终端的信道盾量高于第二设定值为例进行说明。 当然, 也可以是在 中继终端的信道盾量与被服务终端的信道盾量之间的差值大于第三设定值时, 在被服务终 端与中继终端之间建立中继通道,利用中继终端将被服务终端接入网络。且在本实施例中, 被服务终端的信道盾量不限于低于第一设定值, 中继终端的信道盾量不限于高于第二设定 值, 也不限于中继终端的信道盾量与被服务终端的信道盾量之间的差值大于第三设定值 , 仍可以在被服务终端与中继终端之间建立中继通道, 利用中继终端将被服务终端接入网 络, 实现数据传输, 即本实施例提供的方案也可以根据其他触发条件, 在被服务终端与中 继终端之间建立中继通道, 利用中继终端将 艮务终端接入网络, 实现数据传输。 该方法 的步骤流程如图 1所示, 具体包括以下步骤:
步骤 101、 被服务终端与中继终端之间建立中继通道。
所述被服务终端是指信道盾量低于第一设定值的终端, 所述中继终端是指信道盾量高 于第二设定值的终端。
在被服务终端需要接入网络侧时, 与中继终端进行中继的发现、 协商过程, 并建立中 继通道。
所述中继通道可以 于短距离通信技术, 如 802.11x WLAN协议建立的, 当然, 所 述中继通道也可以通过长距离通信技术, 如 CDMA, TD-SCDMA, LTE等来建立。
步骤 102、 被服务终端通过中继通道向中继终端发送接入指示。
被服务终端在与中继终端之间建立中继通道后 , 通过中继通道向中继终端发送接入指 示, 要求中继终端将被服务终端接入网络侧。
所述接入指示可以但不限于通过 MAC层或 RRC层信令发送, 且较优的, 该接入指示 中可以包括被服务终端的标识。
接入指示的信令格式可以如表 1所示。该接入指示包括中继指示信令标识和终端标识。 所述中继指示信令标识用于标识该信令为一条接入指示信令, 所述终端标识用于标识被服 务的终端。
中继指示信令标 终端标识
表 1
步骤 103、 中继终端发起随机接入过程。
中继终端可以基于非竟争的方式进行随机接入。 具体的, 中继终端根据接收到的所述 接入指示, 向网络侧发送 MSG3 (即无线资源控制 (RRC, Radio Resource Control )连接 建立请求消息), 该 RRC连接建立请求消息中包括所述被服务终端的标识。
现有的终端随机接入过程, 在终端发送 RRC 连接建立请求消息中携带发起随机接入 过程的终端自身的标识, 用于指示网络侧该终端需要接入网络侧。 而本步骤中中继终端需 要将被服务终端的标识上报, 用于指示网络侧中继终端是为被服务终端进行中继服务而进 行的接入 /连接建立请求, 当然, 所述 RRC连接建立请求消息中还可以携带中继终端的标 识。 在 RRC连接建立请求消息中需要增加的字段格式可以如表 2所示。 中继指示的标 中继终端标识 被服务终端标识
表 2
其中, 所述中继指示的标识用于表示该 RRC 连接建立请求消息是为被服务终端进行 中继服务而进行的接入 /连接建立请求消息。
当然, 在本步骤中, 中继终端也可以基于竟争的方式进行随机接入。 则本步骤具体包 括:
第一步、 中继终端根据接收到的所述接入指示, 向网络侧发送导码( preamble )。 网络侧在接收到中继终端发送的导码后,会向中继终端返回一个随机分配的小区 -无线 网络临时标识( C-RNTI, cell-Radio Network Temporary Identifier )。
第二步、 中继终端在接收到网络侧返回的 C-RNTI后, 向网络侧发送 MSG3。
该 MSG3中包括该 C-RNTI及被服务终端的标识, 网络侧可以根据接收到的 MSG3中 携带的 C-RNTI及被服务终端的标识, 确定获得分配的该 C-RNTI的终端用于替该被服务 终端的标识所表示的终端进行中继接入。 当然, 所述 MSG3消息中还可以携带中继终端的 标识。
步骤 104、 中继终端接收网络侧发送的 RRC连接建立消息。
网络侧在接收到中继终端发送的 RRC连接建立请求消息后, 向中继终端返回 MSG4 (即 RRC连接建立消息)。
步骤 105、 中继终端向被服务终端发送随机接入成功指示消息。
中继终端在接收到网络侧发送的 RRC 连接建立消息后, 建立了与网络侧之间的通信 隧道, 此时中继终端可以向被服务终端发送随机接入成功指示消息。 在所述中继通道是基 于 802.11x WLAN协议建立的通道时,中继终端可以通过 WLAN接口向被服务终端发送随 机接入成功指示消息。
所述随机接入成功指示消息中可以包含当前的主信息块 (MIB , Master Information Block )信息、 系统广播消息块 ( SIB, System Information Block )信息, 中继终端在代理 被服务终端进行随机接入过程分配的 C-RNTI和透明转发的 MSG4。
步骤 106、 被服务终端通过中继通道向中继终端发送 RRC连接建立完成消息。
被服务终端在接收到随机接入成功指示消息后, 提取出其中的系统信息和 MSG4, 建 立系统消息块 SIB1, 并且配置 LTE无线接口的物理层(PHY, Physical )参数, 从而可以 利用中继通道向中继终端发送 RRC 连接建立完成消息。 具体的, 被服务终端将中继终端 和网络侧之间的通信隧道旁路到中继通道, 并通过中继通道发送 RRC 连接建立完成消息 至中继终端, 指示中继终端通过通信隧道将所述 RRC连接建立完成消息发送给网络侧。
所述通信隧道可以但不限于为基于分组数据汇聚协议( PDCP, Packet Data Convergence Protocol ) 的隧道或者基于媒体接入层的 MAC隧道。
所述网络侧可以用基站 eNB来表示。在所述中继通道是基于 802.11x WLAN协议建立 的通道时, 本步骤具体包括: 被服务终端将中继终端和网络侧之间的通信隧道旁路到 WLAN接口, 并通过 WLAN接口发送 RRC连接建立完成消息至中继终端, 中继终端通过 通信隧道将所述 RRC连接建立完成消息发送给基站 e B。
被服务终端向中继终端发送的所述 RRC 连接建立完成消息中还可以包括基于非接入 层 ( NAS , non-access stadium ) 的附着请求和分组数据网络( PDN, packet data network ) 连接请求。 中继终端通过通信隧道将所述 RRC连接建立完成消息发送给 eNB之后, eNB 可以通过标准的 S1接口将所述 RRC连接建立完成消息中携带的基于 NAS的附着请求和 PDN连接请求发送给移动管理实体(MME, Mobility Management Entity )„
网络侧(MME )的后续鉴权和安全激活流程与现有协议一致, 且仍可以通过中继终端 进行被服务终端与网络侧之间的相关信令的交互, 在此不再赘述。
在被服务终端处于 RRC-CO NECTED状态时, 可以根据网络侧的配置信息对参考信 号接收功率 (RSRP, Reference Signal Received Power )进行周期性测量:
如果当前小区的 RSRP超过第一门限值 , 被服务终端可以通过当前小区接入网络侧。 通过上行的 MAC层控制元素 (MAC CE, MAC Control Element)直接使用中继终端代理被服 务终端进行随机接入过程中分配的 C-RNTI、 RRC连接和 NAS状态,停止通信隧道到中继 通道的旁路而转为通过无线链路控制 (RLC, Radio Link Control )层来承载通信隧道分组 数据单元(PDU, Packet data unit ) 的传输。
如果相邻小区的 RSRP超过第二门限值, 被服务终端可以通过相邻小区接入网络侧。 如果相邻小区的 RSRP超过第二门限值, 被服务终端可以产生能够触发切换的测量事件, 并通过通信隧道将该测量事件传输给 eNB 来触发切换过程, 并通过通信隧道承载相关的 RRC连接重配信令, 从而将被服务终端接入相邻小区。
步骤 107、 被服务终端回到 RRC-IDLE状态。
在 MME发送终端上下文释放消息, 触发 eNB释放了 RRC连接, 被服务终端回到
RRC-IDLE状态后, 若被服务终端再次有业务需要传输时, 被服务终端可以再次要求中继 终端将被服务终端接入网络侧, 重新执行步骤 101 106。
当被服务终端处于 RRC-IDLE状态时: 中继终端可以根据被服务终端的终端标识, 监 听寻呼信道, 若中继终端检测到网络侧有寻呼被服务终端的信令, 则通知被服务终端接入 网络。具体的,当中继终端检测到系统消息块 SIB1中的系统消息变更指示 systemlnfo Value Tag发生变化或者是检测到系统广播消息变更指示后, 接收更新的系统广播消息, 并且将 更新的系统广播消息发送给被服务终端。 在现有协议中需要被服务终端自身来监听网络侧 对被服务终端的寻呼, 而在本实施例中, 需要中继终端代替被服务终端监听网络侧对被服 务终端的寻呼, 如果有寻呼消息, 则由中继终端将寻呼消息发送给被服务终端, 被服务终 端可以向中继终端发送接收确认消息来确认接收到了该寻呼消息, 如图 2所示为中继终端 与被服务终端的信令交互示意图; 中继终端也可以监听寻呼信道, 若中继终端监听到寻呼 消息中终端标识与被服务终端的终端标识匹配, 可以通知被服务终端响应寻呼消息, 接入 网络侧。
当然, 被服务终端在接收到中继终端发送的接入网络侧的通知时, 可以判断此时被服 务终端的信道盾量是否低于第一设定值, 若是, 则重新执行步骤 101〜步骤 106, 否则, 按 照现有的接入流程接入网络侧。
所述终端标识可以但不限于为国际移动用户识别码( IMSI , International Mobile
Subscriber Identification Number)。
根据本发明实施例一提供的方案, 由于中继终端和被服务终端之间可以进行直接通 信, 不仅可以通过利用信道盾量较优的中继终端代理信道盾量较低的被服务终端接入网络 侧, 实现被服务终端与网络侧之间可以以较高的数据传输速率进行数据传输, 同时, 在被 服务终端与网络侧进行通信的过程中, 即被服务终端处于 RRC-CO NECTED状态时, 若 当前小区或相邻小区的 RSRP达到了一定的门限值, 被服务终端还可以通过当前小区或相 邻小区接入网络侧, 从而在被服务终端的信道盾量提高时, 可以进一步通过从当前小区或 相邻小区接入网络侧的方法, 提高被服务终端中的数据传输速率, 在所述中继通道是基于
WLAN协议建立的通道时, 实现从 WLAN RELAY到 LTE传输的快速平滑切换。 而在被 服务终端处于 RRC-IDLE状态时, 可以通过中继终端来监测系统广播消息的变化, 或者监 听寻呼消息, 并在检测到系统广播消息发生变化, 或者存在终端标识与被服务终端的终端 标识匹配的寻呼消息时, 通知被服务终端重新接入网络侧, 从而利用中继终端实现系统消 息转发的代理和寻呼的代理, 确保在网络侧需要与被服务终端进行通信时, 被服务终端可 以及时接入网络侧。 当然, 被服务终端在有新的业务需要执行时, 也可以主动要求中继终 端将被服务终端接入网络侧, 从而保证新的业务的顺利执行。
与本发明实施例一提供的方法基于同一发明构思, 本发明实施例二〜实施例四提供以 下的终端和系统。
实施例二、
本发明实施例二提供的一种终端, 所述终端的信道盾量低于第一设定值, 该终端的结 构示意图如图 3所示, 包括:
中继通道建立模块 11 用于建立与信道盾量高于第二设定值的中继终端之间的中继通 道; 第一发送模块 12 用于通过中继通道向中继终端发送接入指示, 要求中继终端将信道 盾量低于第一设定值的终端接入网络侧; 第一接收模块 13 用于接收中继终端在接收到所 述接入指示后, 与网络侧之间建立通信隧道后发送的随机接入成功指示消息; 第二发送模 块 14 用于在第一接收模块接收到所述随机接入成功指示消息后, 通过所述中继通道向中 继终端发送无线资源控制 RRC连接建立完成消息。
第一发送模块 12具体用于发送携带被服务终端的标识的接入指示。
所述第一发送模块 12具体用于通过中继通道,基于媒体接入控制 MAC层信令或者无 线资源控制 RRC层信令向中继终端发送接入指示。
所述第二发送模块 14具体用于将中继终端和网络侧之间的通信隧道旁路到中继通道, 并通过中继通道发送 RRC 连接建立完成消息至中继终端, 指示中继终端通过通信隧道将 所述 RRC连接建立完成消息发送给网络侧。
该终端包括的确定模块 15用于当该终端处于 RRC-IDLE状态时, 若接收到中继终端 发送的接入网络侧的通知, 确定当前时刻处于 RRC-IDLE状态的该终端的信道盾量低于第 一设定值。
所述终端还包括:
测量模块 16用于第二发送模块向网络侧发送无线资源控制 RRC连接建立完成消息之 后, 当终端处于 RRC-CO NECTED状态时, 根据网络侧的配置信息对终端自身所在的当 前小区和当前小区的邻小区的参考信号接收功率 RSRP进行周期性测量;
接入模块 17用于当测量模块测量到所述当前小区的 RSRP超过第一门限值时,通过当 前小区接入网络侧, 或者, 当测量模块测量到所述邻小区的 RSRP超过第二门限值时, 通 过所述邻小区接入网络侧。
当然, 根据实施例一提供的方案, 被服务终端的信道盾量不限于低于第一设定值, 中 继终端的信道盾量不限于高于第二设定值, 仍可以在被服务终端与中继终端之间建立中继 通道, 利用中继终端将被服务终端接入网络, 实现数据传输, 因此, 本实施例提供的终端 (可以作为被服务终端) 不限于以上描述, 各模块的功能可以如下 (该终端的结构示意图 仍可以如图 3所示):
中继通道建立模块 11用于建立与中继终端之间的中继通道; 第一发送模块 12用于通 过中继通道向中继终端发送接入指示, 要求中继终端将所述终端接入网络侧。
中继通道建立模块 11 具体用于建立与信道盾量高于第二设定值的中继终端之间的中 继通道; 第一发送模块 12具体用于通过中继通道向中继终端发送接入指示, 要求中继终 端将信道盾量低于第一设定值的终端接入网络侧。
所述终端还包括:
第一接收模块 13 用于接收中继终端在接收到所述接入指示后, 与网络侧之间建立通 信隧道后发送的随机接入成功指示消息; 第二发送模块 14 用于在第一接收模块接收到所 述随机接入成功指示消息后, 通过所述中继通道向中继终端发送无线资源控制 RRC 连接 建立完成消息。
第一发送模块 12具体用于发送携带被服务终端的标识的接入指示。
所述第一发送模块 12具体用于通过中继通道,基于媒体接入控制 MAC层信令或者无 线资源控制 RRC层信令向中继终端发送接入指示。
所述第二发送模块 14具体用于将中继终端和网络侧之间的通信隧道旁路到中继通道, 并通过中继通道发送 RRC 连接建立完成消息至中继终端, 指示中继终端通过通信隧道将 所述 RRC连接建立完成消息发送给网络侧。
该终端包括的确定模块 15用于当该终端处于 RRC-IDLE状态时, 若接收到中继终端 发送的接入网络侧的通知, 确定当前时刻处于 RRC-IDLE状态的该终端的信道盾量低于第 一设定值。
所述终端还包括:
测量模块 16用于第二发送模块向网络侧发送无线资源控制 RRC连接建立完成消息之 后, 当终端处于 RRC-CO NECTED状态时, 根据网络侧的配置信息对终端自身所在的当 前小区和当前小区的邻小区的参考信号接收功率 RSRP进行周期性测量;
接入模块 17用于当测量模块测量到所述当前小区的 RSRP超过第一门限值时,通过当 前小区接入网络侧, 或者, 当测量模块测量到所述邻小区的 RSRP超过第二门限值时, 通 过所述邻小区接入网络侧。
实施例三、
本发明实施例三提供的一种终端, 所述终端的信道盾量高于第二设定值, 该终端的结 构示意图如图 4所示, 包括:
中继通道建立模块 21 用于建立与信道盾量低于第一设定值的被服务终端之间的中继 通道;
第一接收模块 22 用于接收被服务终端通过中继通道发送的接入指示, 所述接入指示 要求信道盾量高于第二设定值的终端将被服务终端接入网络侧;
第一发送模块 23用于在接收到所述接入指示后, 建立自身与网络侧之间的通信隧道, 并通过所述中继通道向所述被服务终端发送随机接入成功指示消息。
所述终端还包括:
第二发送模块 24用于在接收到接入指示时, 向网络侧发起随机接入过程;
第二接收模块 25用于接收网络侧发送的 RRC连接建立消息;
所述第一发送模块 23具体用于当第二接收模块接收到网络侧发送的 RRC连接建立消 息时, 通过所述中继通道向所述被服务终端发送随机接入成功指示消息。
第二发送模块 24具体用于向网络侧发送携带被服务终端标识的 RRC连接建立请求消 息。
所述第一接收模块 22还用于接收被服务终端通过中继通道发送的 RRC连接建立完成 消息;
所述第二发送模块 24还用于通过终端自身与网络侧之间的通信隧道将所述 RRC连接 建立完成消息发送给网络侧。
所述终端还包括监听模块 26用于当被服务终端处于 RRC-IDLE状态时, 根据被服务 终端的终端标识, 监听寻呼信道, 若在监听寻呼信道时, 检测到网络侧有寻呼被服务终端 的信令, 则通知被服务终端接入网络。
所述监听模块 26 具体用于当检测到系统消息块 SIB1 中的系统消息变更指示 systemlnfo Value Tag发生变化或者是检测到系统广播消息变更指示后, 接收更新的系统广 播消息, 并且将更新的系统广播消息发送给被服务终端。
所述监听模块 26还可以用于当被服务终端处于 RRC-IDLE状态时, 监听寻呼信道, 若在监听寻呼信道时, 监听到寻呼消息中包括的终端标识与被服务终端的终端标识匹配, 则通知被服务终端响应寻呼消息, 接入网络侧。
当然, 根据实施例一提供的方案, 被服务终端的信道盾量不限于低于第一设定值, 中 继终端的信道盾量不限于高于第二设定值, 仍可以在被服务终端与中继终端之间建立中继 通道, 利用中继终端将被服务终端接入网络, 实现数据传输, 因此, 本实施例提供的终端 (可以作为中继终端) 不限于以上描述, 该终端的结构示意图可以如图 5所示, 各模块和 功能可以如下:
中继通道建立模块 01用于建立与被服务终端之间的中继通道; 第一接收模块 02用于 接收被服务终端通过中继通道发送的接入指示, 所述接入指示要求所述终端将被服务终端 接入网络侧; 发送模块 03用于根据接收到的所述接入指示, 向网络侧发起随机接入过程。 中继通道建立模块 01 具体用于建立与信道盾量低于第一设定值的被服务终端之间的 中继通道; 第一接收模块 02具体用于接收被服务终端通过中继通道发送的接入指示, 所 述接入指示要求信道盾量高于第二设定值的终端将被服务终端接入网络侧。
所述终端还包括:
第二接收模块 04用于接收网络侧发送的 RRC连接建立消息;
所述发送模块 03 具体用于当第二接收模块接收到网络侧发送的 RRC 连接建立消息 时, 通过所述中继通道向所述被服务终端发送随机接入成功指示消息。
发送模块 03具体用于向网络侧发送携带被服务终端标识的 RRC连接建立请求消息。 所述第一接收模块 02还用于接收被服务终端通过中继通道发送的 RRC连接建立完成 消息;
所述发送模块 03还用于通过终端自身与网络侧之间的通信隧道将所述 RRC连接建立 完成消息发送给网络侧。
所述终端还包括监听模块 05用于当被服务终端处于 RRC-IDLE状态时, 根据被服务 终端的终端标识, 监听寻呼信道, 若在监听寻呼信道时, 检测到网络侧有寻呼被服务终端 的信令, 则通知被服务终端接入网络。
所述监听模块 05 具体用于当检测到系统消息块 SIB1 中的系统消息变更指示 systemlnfo Value Tag发生变化或者是检测到系统广播消息变更指示后, 接收更新的系统广 播消息, 并且将更新的系统广播消息发送给被服务终端。
所述监听模块 05还可以用于当被服务终端处于 RRC-IDLE状态时, 监听寻呼信道, 若在监听寻呼信道时, 监听到寻呼消息中包括的终端标识与被服务终端的终端标识匹配, 则通知被服务终端响应寻呼消息, 接入网络侧。
实施例四、
本发明实施例四提供的一种接入网络的系统, 该系统的结构示意图如图 6所示, 包括 被服务终端 31和中继终端 32 , 其中:
被服务终端 31 , 用于在自身的信道盾量低于第一设定值时, 建立与所述中继终端之间 的中继通道, 通过中继通道向中继终端发送接入指示, 并在接收到中继终端发送的随机接 入成功指示消息后, 通过所述中继通道向中继终端发送无线资源控制 RRC 连接建立完成 消息;
中继终端 32, 用于在自身的信道盾量高于第二设定值时, 与所述被服务终端之间建立 中继通道, 接收被服务终端发送的接入指示, 并在接收到接入指示并与网络侧之间建立通 信隧道后, 通过中继通道向所述被服务终端发送随机接入成功指示消息。
当然, 根据实施例一提供的方案, 被服务终端的信道盾量不限于低于第一设定值, 中 继终端的信道盾量不限于高于第二设定值, 仍可以在被服务终端与中继终端之间建立中继 通道, 利用中继终端将被服务终端接入网络, 实现数据传输, 因此, 本实施例提供的系统 不限于以上描述, 被服务终端 31和中继终端 32的功能可以描述如下 (该系统的结构示意 图仍可以如图 6所示):
被服务终端 31 , 用于建立与所述中继终端之间的中继通道, 通过中继通道向中继终端 发送接入指示;
中继终端 32, 用于与所述被服务终端之间建立中继通道, 接收被服务终端发送的接入 指示, 并根据接收到的所述接入指示, 向网络侧发起随机接入过程。
如图 6所示, 所述网络侧可以包括基站、 移动性管理实体、 服务网关、 分组数据网网 关和归属用户服务器: 所述移动性管理实体可以与所述基站相连, 服务网关也可以与所述 基站相连。 而且移动性管理实体可以进一步与归属用户服务器相连, 服务网关还可以进一 步与分组数据网网关相连。
且如图 6所示, 所述被服务终端与中继终端之间可以通过 802.11g/n协议进行通信, 中继终端与网络侧之间可以通过标准 LTE无线通信接口进行通信。
显然, 本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和 范围。这样,倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内, 则本发明也意图包含这些改动和变型在内。

Claims

权 利 要 求
1、 一种接入网络的方法, 其特征在于, 该方法包括:
被服务终端建立与中继终端之间的中继通道;
被服务终端通过中继通道向中继终端发送接入指示, 要求中继终端将被服务终端接入 网络侧。
2、 如权利要求 1所述的方法, 其特征在于, 被服务终端通过中继通道向中继终端发送 接入指示之后, 所述方法还包括:
所述被服务终端接收到中继终端发送的随机接入成功指示消息后, 通过所述中继通道 向中继终端发送无线资源控制 RRC连接建立完成消息。
3、 如权利要求 1所述的方法, 其特征在于, 被服务终端建立与中继终端之间的中继通 道, 具体包括:
信道盾量低于第一设定值的被服务终端建立与信道盾量高于第二设定值的中继终端之 间的中继通道。
4、如权利要求 1~3任一所述的方法, 其特征在于, 所述中继通道为基于短距离通信技 术、 码分多址 CDMA、 时分同步码分多址 TD-SCDMA和长期演进 LTE无线通信技术中的 任意一种的中继通道。
5、如权利要求 1~3任一所述的方法, 其特征在于, 所述接入指示中携带被服务终端的 标识。
6、如权利要求 1~3任一所述的方法, 其特征在于, 被服务终端通过中继通道向中继终 端发送接入指示, 包括:
被服务终端通过中继通道,基于媒体接入控制 MAC层或者无线资源控制 RRC层信令 向中继终端发送接入指示。
7、 如权利要求 2所述的方法, 其特征在于, 所述被服务终端通过所述中继通道向中继 终端发送无线资源控制 RRC连接建立完成消息, 具体包括:
被服务终端将中继终端和网络侧之间的通信隧道旁路到中继通道, 并通过中继通道发 送 RRC连接建立完成消息至中继终端, 指示中继终端通过通信隧道将所述 RRC连接建立 完成消息发送给网络侧。
8、 如权利要求 2所述的方法, 其特征在于, 被服务终端向中继终端发送无线资源控制 RRC连接建立完成消息之后, 所述方法还包括:
当被服务终端处于 RRC-CO NECTED状态时, 根据网络侧的配置信息对自身所在的 当前小区和当前小区的邻小区的参考信号接收功率 RSRP进行周期性测量:
如果测量到所述当前小区的 RSRP超过第一门限值, 被服务终端通过当前小区接入网 络侧; 如果测量到所述邻小区的 RSRP超过第二门限值, 被服务终端通过所述邻小区接入网 络侧。
9、 如权利要求 3所述的方法, 其特征在于, 被服务终端向中继终端发送无线资源控制 RRC连接建立完成消息之后, 所述方法还包括:
当被服务终端处于 RRC-IDLE状态时, 若接收到中继终端发送的接入网络侧的通知, 确定当前时刻自身的信道盾量低于第一设定值。
10、 一种接入网络的方法, 其特征在于, 该方法包括:
中继终端建立与被服务终端之间的中继通道;
中继终端接收所述被服务终端通过所述中继通道发送的接入指示, 所述接入指示要求 中继终端将被服务终端接入网络侧;
中继终端根据接收到的所述接入指示, 向网络侧发起随机接入过程。
11、 如权利要求 10所述的方法, 其特征在于, 中继终端建立与被服务终端之间的中继 通道, 具体包括:
信道盾量高于第二设定值的中继终端建立与信道盾量低于第一设定值的被服务终端之 间的中继通道。
12、 如权利要求 10或 11所述的方法, 其特征在于, 中继终端根据接收到的所述接入 指示, 向网络侧发起随机接入过程之后, 所述方法还包括:
中继终端在接收到网络侧发送的 RRC连接建立消息后,通过中继通道向被服务终端发 送随机接入成功指示消息。
13、 如权利要求 10或 11所述的方法, 其特征在于, 中继终端根据接收到的所述接入 指示, 向网络侧发起随机接入过程, 具体包括:
中继终端向网络侧发送携带被服务终端标识的 RRC连接建立请求消息。
14、 如权利要求 10或 11所述的方法, 其特征在于, 中继终端通过中继通道向所述被 服务终端发送随机接入成功指示消息之后 , 该方法还包括:
中继终端接收被服务终端通过中继通道发送的 RRC连接建立完成消息,并通过自身与 网络侧之间的通信隧道将所述 RRC连接建立完成消息发送给网络侧。
15、 如权利要求 10或 11所述的方法, 其特征在于, 中继终端通过中继通道向所述被 服务终端发送随机接入成功指示消息之后 , 所述方法还包括:
当被服务终端处于 RRC-IDLE状态时, 中继终端根据被服务终端的终端标识, 监听寻 呼信道;
若中继终端在监听寻呼信道时检测到网络侧有寻呼被服务终端的信令, 则通知被服务 终端接入网络。
16、 如权利要求 15所述的方法, 其特征在于, 若中继终端在监听寻呼信道时检测到网 络侧有寻呼被服务终端的信令, 则通知被服务终端接入网络, 具体包括:
当中继终端检测到系统消息块 SIB 1中的系统消息变更指示 systemlnfo Value Tag发生 变化或者是检测到系统广播消息变更指示后, 接收更新的系统广播消息, 并且将更新的系 统广播消息发送给被服务终端。
17、 如权利要求 10或 11所述的方法, 其特征在于, 中继终端通过中继通道向所述被 服务终端发送随机接入成功指示消息之后 , 所述方法还包括:
当被服务终端处于 RRC-IDLE状态时, 中继终端监听寻呼信道;
若中继终端在监听寻呼信道时监听到寻呼消息中包括的终端标识与被服务终端的终端 标识匹配, 则通知被服务终端响应寻呼消息, 接入网络侧。
18、 一种终端, 其特征在于, 所述终端包括:
中继通道建立模块, 用于建立与中继终端之间的中继通道;
第一发送模块, 用于通过中继通道向中继终端发送接入指示, 要求中继终端将所述终 端接入网络侧。
19、 如权利要求 18所述的终端, 其特征在于, 所述终端还包括:
第一接收模块, 用于接收中继终端发送的随机接入成功指示消息;
第二发送模块, 用于在第一接收模块接收到所述随机接入成功指示消息后, 通过所述 中继通道向中继终端发送无线资源控制 RRC连接建立完成消息。
20、 如权利要求 18所述的终端, 其特征在于, 中继通道建立模块, 具体用于建立与信 道盾量高于第二设定值的中继终端之间的中继通道;
第一发送模块, 具体用于通过中继通道向中继终端发送接入指示, 要求中继终端将信 道盾量低于第一设定值的终端接入网络侧。
21、 如权利要求 18 20任一所述的终端, 其特征在于,
第一发送模块, 具体用于发送携带被服务终端的标识的接入指示。
22、 如权利要求 18~20任一所述的终端, 其特征在于, 所述第一发送模块, 具体用于 通过中继通道,基于媒体接入控制 MAC层信令或者无线资源控制 RRC层信令向中继终端 发送接入指示。
23、 如权利要求 19所述的终端, 其特征在于, 所述第二发送模块, 具体用于将中继终 端和网络侧之间的通信隧道旁路到中继通道, 并通过中继通道发送 RRC 连接建立完成消 息至中继终端, 指示中继终端通过通信隧道将所述 RRC连接建立完成消息发送给网络侧。
24、 如权利要求 20所述的终端, 其特征在于, 该终端包括的确定模块, 用于当该终端 处于 RRC-IDLE状态时, 若接收到中继终端发送的接入网络侧的通知, 确定当前时刻处于
RRC-IDLE状态的该终端的信道盾量低于第一设定值。
25、 如权利要求 19所述的终端, 其特征在于, 所述终端还包括: 测量模块, 用于第二发送模块向网络侧发送无线资源控制 RRC 连接建立完成消息之 后, 当终端处于 RRC-CO NECTED状态时, 根据网络侧的配置信息对终端自身所在的当 前小区和当前小区的邻小区的参考信号接收功率 RSRP进行周期性测量;
接入模块, 用于当测量模块测量到所述当前小区的 RSRP超过第一门限值时, 通过当 前小区接入网络侧, 或者, 当测量模块测量到所述邻小区的 RSRP超过第二门限值时, 通 过所述邻小区接入网络侧。
26、 一种终端, 其特征在于, 所述终端包括:
中继通道建立模块, 用于建立与被服务终端之间的中继通道;
第一接收模块, 用于接收被服务终端通过中继通道发送的接入指示, 所述接入指示要 求所述终端将被服务终端接入网络侧;
发送模块, 用于根据接收到的所述接入指示, 向网络侧发起随机接入过程。
27、 如权利要求 26所述的终端, 其特征在于, 中继通道建立模块, 具体用于建立与信 道盾量低于第一设定值的被服务终端之间的中继通道;
第一接收模块, 具体用于接收被服务终端通过中继通道发送的接入指示, 所述接入指 示要求信道盾量高于第二设定值的终端将被服务终端接入网络侧。
28、 如权利要求 26或 27所述的终端, 其特征在于, 所述终端还包括:
第二接收模块, 用于接收网络侧发送的 RRC连接建立消息;
所述发送模块, 具体用于当第二接收模块接收到网络侧发送的 RRC连接建立消息时, 通过所述中继通道向所述被服务终端发送随机接入成功指示消息。
29、 如权利要求 26或 27所述的终端, 其特征在于,
发送模块, 具体用于向网络侧发送携带被服务终端标识的 RRC连接建立请求消息。
30、 如权利要求 26或 27所述的终端, 其特征在于, 所述第一接收模块, 还用于接收 被服务终端通过中继通道发送的 RRC连接建立完成消息;
所述发送模块,还用于通过终端自身与网络侧之间的通信隧道将所述 RRC连接建立完 成消息发送给网络侧。
31、 如权利要求 26或 27所述的终端, 其特征在于, 所述终端还包括监听模块, 用于 当被服务终端处于 RRC-IDLE状态时, 根据被服务终端的终端标识, 监听寻呼信道, 若在 监听寻呼信道时, 检测到网络侧有寻呼被服务终端的信令, 则通知被服务终端接入网络。
32、 如权利要求 31所述的终端, 其特征在于, 所述监听模块, 具体用于当检测到系统 消息块 SIB 1中的系统消息变更指示 systemlnfo Value Tag发生变化或者是检测到系统广播 消息变更指示后, 接收更新的系统广播消息, 并且将更新的系统广播消息发送给被服务终 端。
33、 如权利要求 26或 27所述的终端, 其特征在于, 所述终端还包括监听模块, 用于 当被服务终端处于 RRC-IDLE状态时, 监听寻呼信道, 若在监听寻呼信道时, 监听到寻呼 消息中包括的终端标识与被服务终端的终端标识匹配, 则通知被服务终端响应寻呼消息, 接入网络侧。
34、 一种接入网络的系统, 其特征在于, 包括被服务终端和中继终端, 其中: 被服务终端, 用于建立与所述中继终端之间的中继通道, 通过中继通道向中继终端发 送接入指示;
中继终端, 用于与所述被服务终端之间建立中继通道, 接收被服务终端发送的接入指 示, 并根据接收到的所述接入指示, 向网络侧发起随机接入过程。
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