WO2010105414A1 - Procédé, dispositif et système de transfert d'informations - Google Patents

Procédé, dispositif et système de transfert d'informations Download PDF

Info

Publication number
WO2010105414A1
WO2010105414A1 PCT/CN2009/070849 CN2009070849W WO2010105414A1 WO 2010105414 A1 WO2010105414 A1 WO 2010105414A1 CN 2009070849 W CN2009070849 W CN 2009070849W WO 2010105414 A1 WO2010105414 A1 WO 2010105414A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
forwarding
long
term evolution
destination node
Prior art date
Application number
PCT/CN2009/070849
Other languages
English (en)
Chinese (zh)
Inventor
王燕
蔺波
刘宇红
肖登坤
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2009/070849 priority Critical patent/WO2010105414A1/fr
Priority to CN2009801191997A priority patent/CN102396267A/zh
Publication of WO2010105414A1 publication Critical patent/WO2010105414A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management

Definitions

  • the present invention relates to the field of communications, and in particular, to an information forwarding method, device, and system. Background technique
  • LTE-Advanced Long Term Evolution Advanced
  • LTE-Advanced introduces a relay station (hereinafter referred to as RS) in the evolved UMTS Terrestrial Radio Access Network (hereinafter referred to as e-UTRAN).
  • RS relay station
  • e-UTRAN evolved UMTS Terrestrial Radio Access Network
  • the LTE-Advanced inserts the RS between the base station (or the universal mobile communication system terrestrial radio access network node, the e-UTRAN Node, hereinafter referred to as the eNB) and the user equipment (User Equipment, hereinafter referred to as the UE), for the eNB.
  • the RS uses the interface to connect with the nearest eNB; for the UE-side, the RS is equivalent to the eNB being able to provide all LTE functions.
  • the inventor has found that the prior art has at least the following disadvantages:
  • the prior art when an adjacent eNB and an RS are not configured with an interface, the eNB and the RS cannot perform information interaction, and thus cannot implement inter-cell interference.
  • IOC Inter Cell Interference Coordination
  • the embodiment of the invention provides an information forwarding method, device and system for implementing information forwarding.
  • An embodiment of the present invention provides an information forwarding method, including:
  • the information forwarding device receives long-term evolution information sent by the source node, where the long-term evolution information is included. Carrying address information of the destination node;
  • the embodiment of the invention further provides an information forwarding device, including:
  • a receiving module configured to receive long-term evolution information sent by the source node, where the long-term evolution information carries address information of the destination node;
  • a forwarding module configured to forward the long-term evolution information to the corresponding destination node according to the address information.
  • the embodiment of the present invention further provides an information forwarding system, including: a source node, an information forwarding device, and at least one destination node.
  • the source node is configured to send long-term evolution information to the information forwarding device, where the long-term evolution information carries address information of the destination node;
  • the information forwarding device is configured to receive long-term evolution information sent by the source node, and forward the long-term evolution information to a corresponding destination node according to the address information;
  • the destination node is configured to receive long-term evolution information forwarded by the information forwarding device, where the source node and the destination node perform non-interface connection.
  • the embodiment of the present invention forwards the long-term evolution information to the corresponding destination node according to the address information carried in the long-term evolution information, so that the ICIC, the switching function, and the like can be implemented between the adjacent nodes without the interface, thereby improving The quality of service of the cell edge UE.
  • FIG. 1 is a schematic flowchart of an information forwarding method according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic flowchart of an information forwarding method according to Embodiment 2 of the present invention.
  • FIG. 3 is a schematic flowchart of an information forwarding method according to Embodiment 3 of the present invention.
  • FIG. 4 is a schematic flowchart of an information forwarding method according to Embodiment 4 of the present invention.
  • FIG. 5 is a schematic flowchart diagram of an information forwarding method according to Embodiment 5 of the present invention.
  • FIG. 6 is a schematic structural diagram of an information forwarding device according to Embodiment 6 of the present invention.
  • FIG. 7 is a schematic structural diagram of an information forwarding device according to Embodiment 7 of the present invention.
  • FIG. 8 is a schematic structural diagram of an information forwarding system according to Embodiment 8 of the present invention
  • FIG. 9 is a schematic structural diagram of long-term evolution information according to an embodiment of the present invention
  • FIG. 10 is a schematic structural diagram of a network according to an embodiment of the present invention. detailed description
  • FIG. 1 is a schematic flowchart diagram of an information forwarding method according to Embodiment 1 of the present invention. As shown in FIG. 1, the embodiment may include the following steps:
  • Step 101 The information forwarding device receives the long-term evolution information sent by the source node, where the long-term evolution information carries the address information of the destination node.
  • Step 102 Forward, according to the address information, the long-term evolution information to a corresponding destination node, where the source node and the destination node perform a non-interface connection.
  • the above destination node may be an eNB or an RS in an LTE-Advanced system.
  • the source node transmitting the long-term evolution information may also be an eNB or an RS in the LTE-Advanced system.
  • the address information is used to indicate the location of the destination node in the LTE-Advanced system, and may include: a cell identifier (Cell ID), a location information (Address), a global identifier (Global eNB ID), and a base station identifier (eNB) in the LTE-Advanced system.
  • the long term evolution information includes: control plane information and user plane information in the LTE-Advanced system.
  • the control plane information is a control instruction in the LTE-Advanced system, and may include one or more of: ICIC information, cell edge scheduling information, handover request information, handover request response information, CoMP initiation request, CoMP response information, and the like. The combination of items.
  • the ICIC information may include: Load Information, UL interference Overload Indication, and UL high Interference Information, etc., used to indicate between nodes.
  • the cell edge scheduling information may include: location information, a starting system frame number, a frame period, carrier information, and/or physical resource block information to reduce a scheduling probability on the same physical resource block;
  • the switching request information A target cell for instructing a UE to switch when the UE moves from one cell to another cell;
  • the CoMP initiation request is used to indicate that two adjacent cells provide the UE to the intersecting location.
  • the user plane information is data information for providing services to the user, and may include: a combination of one or more of multimedia information such as audio information, video information, and text information.
  • the two adjacent nodes are connected through an interface
  • the interface may include:
  • An X2 interface, an S1 interface, or other newly defined interfaces such as a Y1 interface or a Y2 interface.
  • a non-interface connection when no interface is established between two adjacent nodes, it is called a non-interface connection.
  • the two nodes cannot communicate.
  • the interface between two adjacent nodes can be selected according to actual conditions.
  • the adjacent eNBs are connected by a wired X2 interface, and the interface between the adjacent RSs and the eNBs may be a wireless X2 interface or a wireless S1 interface.
  • the eNB When an eNB is provided with an RS, and the signal coverage of the RS is divided into A cells, the eNB is referred to as a donor eNB of the RS.
  • An eNB adjacent to an eNB is called a neighboring eNB.
  • the signal coverage of the neighboring eNB can be divided into multiple cells.
  • the cell can be divided according to the frequency of the signal according to actual requirements, or the cell can be divided according to the spatial location. .
  • Each eNB may be provided with an address information, for example:
  • the eNB ID is the eNB ID N1 indicating the address information of the first eNB.
  • Each RS can be configured with an address information, for example: Cell ID is Cell ID CI indicates the address information of the first RS under the eNB, and the address information of each RS can be the same as the address information of the cell set in the RS.
  • the source node is an attached eNB, and the attached eNB is provided with an RS A.
  • the signal coverage of the RS A is divided into an A cell, and the address information of the attached eNB is: eNB ID NO, and the address information of the RS A is: Cell ID Cl.
  • the destination node is a neighboring eNB, and the address information of the neighboring eNB is: eNB ID N1 ⁇
  • the attached eNB is connected to the neighboring eNB through the X2 interface, and the RS A and the attached eNB are connected through the SI interface, and there is no connection between the neighboring eNB and the RS A. Establish an interface and cannot communicate.
  • the signal quality of the UE may be affected.
  • ICIC processing between the RS A and the neighboring eNB is required.
  • the RS A can acquire the address information of the neighboring eNB from the interference information sent by the neighboring eNB: the eNB ID N1 , and carry the eNB ID N1 in the ICIC information and send it to the attached eNB.
  • the eNB determines whether the eNB ID N1 and its own address information are the same as the eNB ID NO.
  • the corresponding ICIC processing is performed; if not, the ICIC information is forwarded to the neighboring eNB.
  • Neighboring eNB receives ICIC letter After the interest, the corresponding ICIC processing can be performed to eliminate the interference to the UE.
  • the interference of the UE at the edge of the A cell in the RS A may also be the RS from the neighboring eNB.
  • the neighboring eNB may also forward the ICIC information to the RS under it. For example: When multiple RSs are set under the adjacent eNB, each RS is set with its own address information.
  • the address information of the RS B set by the neighboring eNB is Cell ID C2, and the ICIC information carries the Cell ID C2.
  • the neighboring eNB After receiving the ICIC information, the neighboring eNB can forward the ICIC information to the RS B according to the Cell lD C2, and the RS B can perform the corresponding ICIC processing to eliminate the interference of the B cell allocated to the UE in the signal coverage of the RS B.
  • the ICIC information may carry multiple address information, where the multiple address information may include address information of the attached eNB and address information of multiple neighboring eNBs.
  • the attached eNB After receiving the ICIC information sent by the RS A, the attached eNB determines that the multiple address information carried in the ICIC information includes not only its own address information but also address information of other neighboring eNBs, and then performs corresponding After the ICIC processing, the own address information is deleted from the ICIC information, and the ICIC information is forwarded to other neighboring eNBs.
  • the neighboring eNB After receiving the ICIC information, the neighboring eNB also determines that the plurality of address information carried in the ICIC information includes not only the address information of the own and the address information of the other neighboring eNBs, but also performs corresponding After the ICIC process, the address information of the ICIC is deleted from the ICIC information, and the ICIC information is forwarded to other neighboring eNBs. Until the ICIC information includes only its own address information, the forwarding of the ICIC information is stopped.
  • the dependent eNB is responsible for forwarding the ICIC information between the next two RSs.
  • the long-term evolution information is forwarded to the corresponding destination node according to the address information carried in the long-term evolution information, so that the ICIC function can be implemented between adjacent nodes without interfaces, and the service quality of the cell edge UE is improved.
  • the eNB as the source node needs to send long-term evolution information to the neighboring eNB.
  • the long-term evolution information can be forwarded to the neighboring eNB through the RS.
  • the specific forwarding step is similar to the step in this embodiment, and only the attached eNB is used as the source node.
  • the RS functions as an intermediate node to perform the function of the attached eNB in this embodiment, and the path for forwarding the long-term evolution information is modified as: eNB ID NO ⁇ Cell ID CI ⁇ eNB ID N1.
  • FIG. 10 is a schematic structural diagram of a network according to an embodiment of the present invention. As shown in FIG. 10, in this embodiment, multiple RSs may be configured under the eNB, including: RS A, RS 1A, and RS 2A.
  • each RS has its own address information.
  • the address information of the attached eNB is the eNB ID NO
  • the address information of the RS A is the Cell ID Cl.
  • a plurality of neighboring eNBs are adjacent to the eNB, each neighboring eNB is provided with a respective address information, and each of the neighboring eNBs may be configured with multiple RSs, including:
  • RS B RS IB
  • RS 2B RS nB wherein the signal coverage of RS B can be divided into multiple cells, and each RS is provided with its own address information.
  • a plurality of RSs may be configured in a neighboring eNB, including: RS B, RS IB, and RS 2B RS nB, where the signal coverage of the RS B may be divided into B1 and B2 Bn cells, where the neighboring eNB 1
  • the address information is eNB ID N1
  • the address information in RS B is Cell lD C2.
  • the eNB is connected to the RS A through the SI interface, and the neighboring eNB 1 and the RS B are connected through the SI interface, and the eNB is connected to the adjacent neighboring eNB 1 through the X2 interface.
  • the attaching eNB establishes an X2 interface with a plurality of neighboring eNBs
  • the attached eNB can collect address information of the neighboring eNBs directly connected and indirectly connected thereto, and address information of the RSs under each neighboring eNB, and create An address information table is saved to its own storage device to ensure that the ICIC information is forwarded to the corresponding neighboring eNB and/or RS.
  • Step 201 The RS A obtains the address information of the RS B from the interference information: Cell ID C2.
  • the edge of the A1 cell in the RS A intersects the edge of the B1 cell of the RS B.
  • the signal sent by the RS B may interfere with the UE.
  • the RS A detects the interference information of the RS B received by the UE, and obtains the address information Cell ID C2 of the RS B from the interference information.
  • the RS A obtains the address information of the RS B: Cell ID C2, and the UE may also detect the received interference information of the RS B, obtain the address information Cell ID C2 of the RS B from the interference information, and obtain the address of the RS B.
  • the information Cell ID C2 is reported to RS A.
  • RS A and RS B are required for ICIC processing. However, since no X2 interface is established between RS A and RS B, RS A can forward ICIC information to RS B through the attached eNB.
  • the Cell ID C2 is carried in the ICIC information and sent to the eNB to instruct the eNB to forward the ICIC information to the RS B.
  • Step 203 The attached eNB receives the ICIC information carrying the Cell ID C2.
  • Step 204 The eNB determines whether to forward the ICIC information according to the Cell ID C2, and if yes, performs step 205; if not, performs ICIC processing.
  • the attached eNB parses the Cell ID C2 from the ICIC information, and determines whether the Cell ID C2 is the same as its own eNB ID NO. If the Cell lD C2 is different from its own address information, the ICIC information needs to be forwarded, and step 205 is performed. If the Cell ID C2 is the same as its own address information, it is not necessary to forward the ICIC information and perform ICIC processing directly according to the ICIC information.
  • Step 205 The attaching eNB selects a path for forwarding the ICIC information from the pre-created address information table.
  • the eNB selects the best path for transmitting the ICIC information to the RS B from the pre-created address information table.
  • the optimal path in this embodiment is: Cell ID Cl ⁇ eNB ID NO ⁇ eNB ID 1 ⁇ Cell ID C2.
  • Step 206 Forward the ICIC information to the RS B in a unicast manner.
  • the above unicast mode means that the source node uses dedicated information, and one piece of information sent is forwarded to the unique destination node through the intermediate node.
  • the eNB forwards the ICIC information to the neighboring eNB 1 according to the best path selected in step 205: Cell ID Cl ⁇ eNB ID NO ⁇ eNB ID N1 ⁇ Cell ID C2, and then forwards the neighboring eNB 1 to RS B.
  • the neighboring eNB 1 still needs to determine whether the Cell ID C2 is the same as its own address information, and if not, forward the ICIC information to the RS B; , then ICIC processing.
  • Step 207 RS B performs ICIC processing. After receiving the ICIC information, RS B still needs to parse out Cell ID C2 from the ICIC information. When it is determined that the Cell ID C2 is the same as its own Cell ID C2, the corresponding ICIC processing can be performed according to the indication of the ICIC information. UE interference.
  • the ICIC information is sent to the corresponding destination node in a unicast manner, so that ICIC can be implemented between two adjacent nodes without an interface.
  • the function improves the quality of service of the cell edge UE.
  • Long-term evolution information can be forwarded to neighboring eNBs through RS A.
  • the specific forwarding step is similar to the steps in this embodiment.
  • the eNB is used as the source node, and the RS A and the RS B are used as the intermediate nodes to perform the function of the eNB.
  • the path for forwarding the long-term evolution information is modified as follows: NO ⁇ Cell ID CI ⁇ Cell ID C2 ⁇ eNB ID Nl.
  • Embodiment 3 is a schematic flowchart of an information forwarding method according to Embodiment 3 of the present invention.
  • This embodiment is based on the information forwarding method provided in the foregoing Embodiment 1, and describes in detail a process in which an eNB broadcasts ICIC information in a broadcast manner.
  • this embodiment may include the following steps:
  • the LTE-Advanced system in this embodiment is the same as the LTE-Advanced system in the second embodiment, and details are not described herein again.
  • the difference from the above second embodiment is:
  • the eNB can exchange relay information with each other directly connected to the eNB, and the relay information includes a direct connection with the eNB. Address information of the neighboring eNB, and address information of the RS under each directly connected neighboring eNB. After the relay information is exchanged, a relay information table is created and saved to its own storage device.
  • the ICIC information is forwarded to a plurality of neighboring eNBs that are directly connected by using a broadcast method.
  • the steps 301-305 in the embodiment are the same as the steps 201-205 of the information forwarding method provided in the second embodiment, and are not described herein again.
  • Step 306 Forward the ICIC information to the RS B by using a broadcast method.
  • the above broadcast mode means that the source node sends the same information to all the adjacent intermediate nodes, and each intermediate node forwards the same information to the adjacent node until the destination node receives the information and then stops. Stop forwarding.
  • the attached eNB forwards the ICIC information to all neighboring eNBs directly connected thereto according to the relay information table. After receiving the ICIC information, the neighboring eNB forwards the ICIC information to all neighboring eNBs or RSs directly connected thereto. When RS B receives the ICIC information, it stops forwarding and performs ICIC processing.
  • Step 307 RS B performs ICIC processing.
  • RS B After receiving the ICIC information, RS B still needs to parse out Cell ID C2 from the ICIC information. When it is determined that the Cell ID C2 is the same as its own Cell ID C2, it stops forwarding, and performs corresponding ICIC processing according to the indication of the ICIC information. , to eliminate interference to the UE.
  • the neighboring eNB still needs to determine whether the Cell ID C2 and its own address information are the same. If not, the ICIC is forwarded to all neighboring eNBs directly connected thereto. Information; if they are the same, stop forwarding and perform ICIC processing.
  • FIG. 4 is a schematic flowchart of an information forwarding method according to Embodiment 4 of the present invention. This embodiment is based on the information forwarding method provided in the foregoing Embodiment 1, and details the process of forwarding ICIC information by the eNB. As shown in FIG. 4, this embodiment may include the following steps:
  • the LTE-Advanced system in this embodiment is the same as the LTE-Advanced system in the second embodiment, and is not described here.
  • the difference from the above second embodiment is:
  • the address information of each node in the LTE-Advanced system is a uniquely assigned global identifier (Global eNB ID) to determine the location of each node in the LTE-Advanced system, for example, the global identifier of the attached eNB is Node. NO; the global identifier of the RS A under the eNB is Node C1; the global identifier of the neighboring eNB 1 is Node N1; and the global identifier of the RS B under the neighboring eNB 1 is Node C2.
  • the global identifiers of all the nodes in the LTE-Advanced system form a global identifier table, which is used to store routing information for forwarding long-term evolution information, and is stored in the storage device of each node.
  • the type information is used to indicate the type of the long-term evolution information, for example, the new class information in the long-term evolution information is: 11000011, indicating that the type of the long-term evolution information is ICIC information; The type information in the mode is: 11100011, indicating that the type of the long term evolution information is handover information.
  • a type of information (msg type) is added to the X2AP, and is called Forward. Accordingly, a type of information needs to be added, which is called: no forwarding.
  • the type information in the long-term evolution information may be defined as: 00000001, indicating that the long-term evolution information is: forwarding information, and correspondingly, the new class information in the long-term evolution information may be defined as: 00000000, indicating the long-term
  • the evolution information is: If the information is not forwarded, when the node determines that the type information is 00000000, the long-term evolution information is directly processed, and the step of determining whether forwarding is needed according to the address information is reduced.
  • Step 401 The RS A obtains the global identifier Node C2 of the RS B from the interference information.
  • the edge of the A1 cell in the RS A intersects the edge of the B1 cell in the RS B.
  • the signal sent by the RS B may interfere with the UE.
  • the RS A detects the interference information of the RS B received by the UE, and obtains the global identifier Node C2 of the RS B from the interference information.
  • the RS A acquires the global identifier Node C2 of the RS B, and the UE may also detect the received interference information of the RS B, obtain the global identifier Node C2 of the RS B from the interference information, and obtain the global identifier Node C2 of the RS B. Reported to RS A.
  • Step 402 RS A sends ICIC information to the attached eNB, where the ICIC information body carries Node C2 and type information.
  • Node C2 is carried in the ICIC information, and the type information is set to 00000001 to instruct the attached eNB to forward the ICIC information to RS B.
  • the global identifier of the source node is correspondingly added in the header of the information body of the long-term evolution information: Source Node ID and the global identifier of the destination node Target Node ID , to locate and find the destination node.
  • Target M Global unique Node Node ID eNB ID (see[l] (eNB, Relay,
  • the ICIC information body may also carry the global identifier (Global Cell ID) and type information of the RS, corresponding to the type of the newly added X2AP information, and is added in the header of the information body of the long-term evolution information.
  • the global ID of the source node can also be: Source Cell ID and the global ID of the destination node.
  • the Target Cell ID as shown in Table 2:
  • the global identifier of the source node can be replaced with the location information of the source node, and the global identifier of the destination node can be replaced with the location information of the destination node.
  • Step 403 The attached eNB receives the ICIC information carrying the Node C2 and the type information.
  • the attached eNB parses the type information from the header of the ICIC information body to determine whether the type is 00000001, if yes, step 405 is performed; if the type information is 00000000, the ICIC information does not need to be forwarded, and the ICIC processing is directly performed according to the ICIC information.
  • Step 405 The attaching eNB selects a path for forwarding the ICIC information from the pre-created global identifier table.
  • the eNB selects the best path for sending the ICIC information to the RS B according to the routing information stored in the pre-created global identifier table.
  • the optimal path in this embodiment is: Node C l ⁇ Node NO ⁇ Node Nl ⁇ Node C2 .
  • the optimal path for transmitting the ICIC information to the RS B is: Node C l ⁇ Node NO ⁇ Node Nl
  • the attached eNB can determine that the destination node is its own next hop node, and then modify the type information in the ICIC information to: 00000000, indicating that the ICIC information is not forwarded in the next hop node.
  • Step 406 Forward the ICIC information to the RS B in a unicast manner.
  • the eNB forwards the ICIC information to the neighboring eNB 1 according to the best path selected in step 405: Node C l ⁇ Node N0 ⁇ Node N1 ⁇ Node C2, and then forwards it to the RS B by the neighboring eNB 1.
  • the neighboring eNB 1 still needs to determine whether the type information is 00000001, and if yes, determine that the destination node is its own next hop node, and the ICIC information is included in the ICIC information.
  • the type information is modified to: 00000000 and the modified ICIC information is forwarded to RS B.
  • Step 407 RS B performs ICIC processing.
  • RS B After receiving the ICIC information, RS B parses the type information from the header of the ICIC information body, and determines that the type information is 00000000. Then, according to the indication of the ICIC information, the corresponding ICIC processing is performed to eliminate interference to the UE.
  • the eNB attaches the ICIC information sent by the RS A to the neighboring eNB 1 to end the forwarding process.
  • the neighboring eNB 1 performs corresponding ICIC processing.
  • the compatibility of the information reduces the step of the destination node parsing the address information to determine whether to forward or not when receiving the ICIC, and improves the efficiency of transmitting the ICIC information by the LTE-Advanced system.
  • Long-term evolution information can be forwarded to neighboring eNBs through RS A.
  • the specific forwarding step is similar to the steps in this embodiment.
  • the eNB is used as the source node, and the RS A and the RS B are used as intermediate nodes to perform the function of the eNB.
  • the path for forwarding the long-term evolution information is modified as: ⁇ Node CI ⁇ Node C2 ⁇ Node Nldon
  • FIG. 5 is a schematic flowchart of an information forwarding method according to Embodiment 5 of the present invention. This embodiment is based on the information forwarding method provided in the foregoing Embodiment 1, and details the process of forwarding the ICIC information by the eNB. As shown in FIG. 5, this embodiment may include the following steps:
  • the LTE-Advanced system of this embodiment is the same as the LTE-Advanced system of the foregoing fourth embodiment, and details are not described herein again.
  • the difference from the above fourth embodiment is:
  • the address information of each node in the e-UTRAN structure is uniquely allocated location information, to determine the location of each node in the e- UTRAN structure, for example: the location information of the attached eNB is: 192.168.10.0, The location information may be replaced with a global identifier according to actual needs; the location information of the RS A attached to the eNB is: 192.168.10.11; the location information of the neighboring eNB is: 192.168.20.1; the location information of the RS B under the neighboring eNB is : 192.168.20.21.
  • the location information of all the nodes in the LTE-Advanced system constitutes a location information table, which is used to store routing information for forwarding long-term evolution information, and is stored in the storage device of each node.
  • the information body of the long-term evolution information defined in the application protocol may be before the information body or after the information body.
  • the preferred implementation manner is: pre-setting the information attachment header before the information body of the long-term evolution information
  • the information attachment header is provided with an F-region of length lbit, and the value in the F-region is a forwarding flag to indicate whether the node in the LTE-Advanced system forwards the long-term evolution information.
  • the forwarding flag bit may be set to: 1 or 0, where the forwarding flag bit is 1, indicating that the long-term evolution information needs to be forwarded, and the information attachment header further carries the location information of the destination node; When the forwarding flag is 0, it indicates that the long-term evolution information does not need to be forwarded, and only the forwarding flag bit is included in the information attachment header.
  • the application protocol can be: X2AP, S1 AP, and other newly defined application protocols, such as: Yl AP, Y2AP, and other application protocols.
  • FIG. 9 is a schematic structural diagram of long-term evolution information according to an embodiment of the present invention. The information about the long-term evolution information defined by the X2AP is described in this embodiment.
  • the information body of the long-term evolution information in this embodiment is collectively referred to as: an X2AP packet (
  • the information body corresponding to the application protocol can be selected according to actual needs, but the structure of the information body is the same as the X2AP packet in this embodiment.
  • the structure of the specific long-term evolution information is as shown in FIG. 9 .
  • Step 501 RS A obtains the location information of the RS B from the interference information, 192.168.20.21.
  • the edge of the A1 cell in the RS A intersects the edge of the B1 cell in the RS B.
  • the signal sent by the RS B may interfere with the UE.
  • RS A detects the interference information of the RS B received by the UE, and obtains the location information of the RS B from the interference information 192.168.20.21.
  • RS A obtains location information 192.168.20.21 of RS B, and may also detect interference information of the received RS B by the UE, obtain location information 192.168.20.21 of the RS B from the interference information, and obtain location information of the RS B. 192.168.20.21 is reported to RS A.
  • Step 502 The RS A sends the ICIC information to the attached eNB, where the information addition header carries the 192.168.20.21 and the forwarding flag.
  • the forwarding flag and 192.168.20.21 are carried in the information attachment header of the ICIC information to instruct the dependent eNB to forward the ICIC information to RS B.
  • Step 503 The attached eNB receives the ICIC information carrying the 192.168.20.21 and the forwarding flag.
  • Step 504 The eNB determines whether to forward the ICIC information according to the forwarding flag, and if yes, performs step 505; if not, performs ICIC processing.
  • the attaching eNB parses the forwarding flag from the information addition header of the ICIC information, and determines whether the forwarding flag is 1, if yes, executing step 405; if the forwarding flag is 0, the ICIC information does not need to be forwarded directly. ICIC processing is performed in accordance with ICIC information.
  • Step 505 The attaching eNB selects a path for forwarding the ICIC information from the pre-created location information table.
  • the attached eNB selects the ICIC according to the routing information saved in the pre-created location information table.
  • the best path for sending information to RS B is: 192.168.10.11 ⁇ 192.168.10.0 ⁇ 192.168.20.1 ⁇ 192.168.20.2K
  • the attached eNB can determine that the destination node is its own next hop node, and then modify the forwarding flag bit in the information attachment header of the ICIC information to: 0, and delete the location of the neighboring eNB 1
  • the information 192.168.20.1 indicates that the ICIC information is not forwarded in the next hop node.
  • Step 506 Forward the ICIC information to the RS B in a unicast manner.
  • the attached eNB forwards the ICIC information to the neighboring eNB 1 according to the best path selected in step 505: 192.168.10.11 ⁇ 192.168.10.0 ⁇ 192.168.20.1 ⁇ 192.168.20.21, and then forwards it to the RS B by the neighboring eNB 1.
  • the neighboring eNB 1 still needs to determine whether the forwarding flag is: 1 . If yes, determine that the destination node is its own next hop node, then the ICIC is used.
  • the forwarding flag in the information attachment header of the message is modified to: 0, and the location information 192.168.20.1 of the neighboring eNB 1 is deleted, and then the modified ICIC information is forwarded to the RS B.
  • Step 507 RS B performs ICIC processing.
  • the RS B After receiving the ICIC information, the RS B parses the forwarding flag bit from the information addition header of the ICIC information, and determines that the forwarding flag is 0, and performs corresponding ICIC processing according to the instruction of the ICIC information to eliminate interference to the UE.
  • the dependent eNB forwards the ICIC information sent by the RS A to the neighboring eNB 1 to end the forwarding process.
  • the neighboring eNB 1 performs corresponding ICIC processing.
  • the forwarding flag bit in the information attachment header of the long-term evolution information by analyzing the forwarding flag bit in the information attachment header of the long-term evolution information, it can determine whether to forward the long-term evolution information, and reduce the complexity of determining whether to forward the long-term evolution information, and improve the LTE-Advanced system transmission ICIC. The efficiency of information.
  • the attached eNB is used as the source node and needs to be sent to the neighboring eNB.
  • the long term evolution information may be forwarded to the neighboring eNB through RS A.
  • the specific forwarding step is similar to the steps in this embodiment.
  • the eNB is used as the source node, and the RS A and the RS B are used as the intermediate nodes to perform the function of the eNB.
  • the path for forwarding the long-term evolution information is modified to: 192.168.
  • the information forwarding method may forward the long-term evolution information according to the path of the eNB N1 ⁇ RS C1 ⁇ RS C2 ⁇ ... ⁇ RS Cn ⁇ eNB N2.
  • FIG. 6 is a schematic structural diagram of an information forwarding device according to Embodiment 6 of the present invention.
  • the information forwarding device provided in this embodiment may be used to implement the flow of the information forwarding method provided by the embodiment of the present invention shown in FIG.
  • the information forwarding device of this embodiment includes: a receiving module 11 and a forwarding module 12.
  • the receiving module 11 is configured to receive the long-term evolution information sent by the source node, where the long-term evolution information carries the address information of the destination node, and the forwarding module 12 is configured to forward the long-term to the corresponding destination node according to the address information. Evolution information.
  • the UE at the edge of the A cell in the source node receives the interference from the B-cell signal in the destination node, which affects the signal quality of the UE.
  • ICIC processing is required between the source node and the destination node.
  • the source node can obtain the address information of the destination node from the interference information of the destination node, and the information is carried in the long-term evolution information to the information forwarding device of the embodiment, and the receiving module 11 receives the destination.
  • the forwarding module 12 can forward the long-term evolution information to the corresponding destination node according to the address information.
  • the forwarding module 12 forwards the long-term evolution information to the corresponding destination node according to the address information carried in the long-term evolution information, so that the ICIC function between the adjacent nodes without the interface improves the service quality of the cell edge UE. .
  • FIG. 7 is a schematic structural diagram of an information forwarding device according to Embodiment 7 of the present invention.
  • the present embodiment is used to implement the information provided by the embodiment of the present invention shown in FIG. 1 to FIG. 5, based on the information forwarding device provided in the foregoing Embodiment 6.
  • the forwarding module 12 of the information forwarding device of this embodiment includes: an address determining unit 121, a type determining unit 122, a flag bit determining unit 123, and a sending unit 124.
  • the address determining unit 121 is configured to determine the address letter.
  • the type determining unit 122 is configured to determine whether the type information carried in the information body of the long-term evolution information is forwarded; the flag bit determining unit 123 is configured to determine the information of the long-term evolution information. Whether the forwarding flag carried in the additional header is forwarding; the sending unit 124 is configured to: when the address information of the information forwarding device is different, when the type information is forwarding, or when the forwarding flag is forwarding, Transmitting the long term evolution information to the destination node corresponding to the address information.
  • the UE at the edge of the A cell in the source node receives the interference from the B-cell signal in the destination node, which affects the signal quality of the UE.
  • ICIC processing is required between the source node and the destination node.
  • the source node can obtain the address information of the destination node from the interference information of the destination node, and the information is carried in the long-term evolution information to the information forwarding device of the embodiment, and the receiving module 11 receives the destination.
  • the address determining unit 121 in the forwarding module 12 determines whether the address information of the destination node is the same as the address information of the information forwarding device. If not, the sending unit 124 sends the destination node corresponding to the address information. Forward the long-term evolution information.
  • the source node carries the address information and the type information in the information body of the long-term evolution information sent by the information forwarding device of the embodiment
  • the receiving module 11 receives the long-term evolution information
  • the type in the forwarding module 12 The determining unit 122 determines whether the type information carried in the long-term evolution information is forwarded. If yes, the sending unit 124 forwards the long-term evolution information to the destination node corresponding to the address information. When the type information is not forwarded, the information forwarding device directly The process of processing the long-term evolution information reduces the process of determining whether forwarding is needed according to the address information, and improves forwarding efficiency.
  • the forwarding module 12 determines whether the forwarding flag bit is forwarding. If yes, the sending unit 124 forwards the long term evolution information to the destination node corresponding to the address information; when the forwarding flag bit is not forwarding, the information forwarding device directly Process this long-term evolution information. Determining whether to forward the long-term evolution information by using the forwarding flag in the information attachment header of the long-term evolution information, thereby reducing the complexity of determining whether to forward the long-term evolution information, High forwarding efficiency.
  • the sending unit 124 in the forwarding module 12 sends the long-term evolution information to the destination node corresponding to the address information according to the determination result of the address determining unit 121, the type determining unit 122, or the flag determining unit 123, so that the adjacent interface has no interface.
  • the ICIC function between nodes improves the quality of service of the cell edge UE.
  • FIG. 8 is a schematic structural diagram of an information forwarding system according to Embodiment 8 of the present invention.
  • the information forwarding system provided in this embodiment may be used to implement the flow of the signaling and forwarding method provided by the embodiment of the present invention shown in FIG. 1 to FIG.
  • the information forwarding system of this embodiment includes: a source node 2, an information forwarding device 1, and at least one destination node 3.
  • the source node 2 is configured to send the long-term evolution information to the information forwarding device 1, where the long-term evolution information carries the address information of the destination node, and the information forwarding device 1 is configured to receive the long-term evolution information sent by the source node 2.
  • the destination node 3 is configured to receive the long-term evolution information forwarded by the information forwarding device 1; wherein, the source node 2 and the destination node 3 Non-interface connection.
  • the information forwarding device 1 in this embodiment may be the information forwarding device provided in Embodiment 6 or Embodiment 7 above.
  • the information forwarding device 1 forwards the long-term evolution information to the corresponding destination node 3 according to the address information carried in the long-term evolution information, implements the ICIC function between the adjacent nodes, and improves the service quality of the cell edge UE.

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention porte sur un procédé, un dispositif et un système de transfert d'informations. Le procédé comprend les étapes suivantes : un dispositif de transfert d'informations reçoit des informations d'évolution à long terme (LTE) envoyées par un nœud source, les informations LTE contenant des informations d'adresse d'un nœud cible (101) ; sur la base des informations d'adresse, le dispositif de transfert d'informations transfère les informations LTE à un nœud cible correspondant ; le nœud source est connecté au nœud cible sans interface (102). Le dispositif comprend un module de réception et un module de transfert, le module de réception reçoit les informations LTE envoyées par le nœud source, les informations LTE contenant les informations d'adresse du nœud cible ; le module de transfert transfère les informations LTE au nœud cible correspondant sur la base des informations d'adresse. Des modes de réalisation de la présente invention transfèrent les informations LTE au nœud cible correspondant sur la base des informations d'adresse transportées par les informations LTE, de façon à réaliser la fonction de coordination de brouillage entre cellules (ICIC) et de commutation entre des nœuds voisins qui sont connectés l'un à l'autre sans interface, et la qualité de service pour un équipement utilisateur (UE) situé à la périphérie d'une cellule peut être améliorée.
PCT/CN2009/070849 2009-03-17 2009-03-17 Procédé, dispositif et système de transfert d'informations WO2010105414A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2009/070849 WO2010105414A1 (fr) 2009-03-17 2009-03-17 Procédé, dispositif et système de transfert d'informations
CN2009801191997A CN102396267A (zh) 2009-03-17 2009-03-17 信息转发方法、设备及系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2009/070849 WO2010105414A1 (fr) 2009-03-17 2009-03-17 Procédé, dispositif et système de transfert d'informations

Publications (1)

Publication Number Publication Date
WO2010105414A1 true WO2010105414A1 (fr) 2010-09-23

Family

ID=42739116

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2009/070849 WO2010105414A1 (fr) 2009-03-17 2009-03-17 Procédé, dispositif et système de transfert d'informations

Country Status (2)

Country Link
CN (1) CN102396267A (fr)
WO (1) WO2010105414A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109661037A (zh) * 2017-10-12 2019-04-19 中兴通讯股份有限公司 一种sfc报文转发方法及设备

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070291770A1 (en) * 2006-06-20 2007-12-20 Qualcomm Incorporated Discovery of neighbor cells
CN201057653Y (zh) * 2006-04-19 2008-05-07 美商内数位科技公司 用于支持路由区域更新的设备
WO2009000312A1 (fr) * 2007-06-22 2008-12-31 Telefonaktiebolaget Lm Ericsson (Publ) Transfert entre msc dans un réseau de communication
CN101370173A (zh) * 2007-08-13 2009-02-18 中兴通讯股份有限公司 长期演进架构下的多媒体广播多播业务接入方法
CN101374114A (zh) * 2008-09-26 2009-02-25 北京科技大学 一种基于方向信息的车载移动ad hoc网络路由选择方法
CN101383758A (zh) * 2007-09-07 2009-03-11 华为技术有限公司 多地址空间移动网络架构、路由器及数据发送方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100571441C (zh) * 2006-08-21 2009-12-16 中兴通讯股份有限公司 演进的无线系统与传统的无线系统间的切换方法
EP3709712A1 (fr) * 2007-02-12 2020-09-16 InterDigital Technology Corporation Procédé et appareil servant à prendre en charge un transfert intercellulaire de lte/eutran à gprs/geran
CN101384068B (zh) * 2007-09-07 2012-10-17 华为技术有限公司 一种移动台切换参数协商方法和装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201057653Y (zh) * 2006-04-19 2008-05-07 美商内数位科技公司 用于支持路由区域更新的设备
US20070291770A1 (en) * 2006-06-20 2007-12-20 Qualcomm Incorporated Discovery of neighbor cells
WO2009000312A1 (fr) * 2007-06-22 2008-12-31 Telefonaktiebolaget Lm Ericsson (Publ) Transfert entre msc dans un réseau de communication
CN101370173A (zh) * 2007-08-13 2009-02-18 中兴通讯股份有限公司 长期演进架构下的多媒体广播多播业务接入方法
CN101383758A (zh) * 2007-09-07 2009-03-11 华为技术有限公司 多地址空间移动网络架构、路由器及数据发送方法
CN101374114A (zh) * 2008-09-26 2009-02-25 北京科技大学 一种基于方向信息的车载移动ad hoc网络路由选择方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109661037A (zh) * 2017-10-12 2019-04-19 中兴通讯股份有限公司 一种sfc报文转发方法及设备
CN109661037B (zh) * 2017-10-12 2023-07-04 中兴通讯股份有限公司 一种sfc报文转发方法及设备

Also Published As

Publication number Publication date
CN102396267A (zh) 2012-03-28

Similar Documents

Publication Publication Date Title
US11877165B2 (en) Using alternative paths of descendant nodes for backhaul-link failure reporting in integrated access
US9801221B2 (en) Mobile communication system, base station, user terminal, and processor
EP2947954B1 (fr) Système de communication sans fil, station de base, procédé de commande de communication et support lisible par ordinateur non transitoire
JP5910840B2 (ja) ユーザ機器のコンテキストに関連するリソースを解放するための方法およびデバイス
US20130201904A1 (en) Handover of Connection of User Equipment
CN110198556B (zh) 无线资源控制rrc消息处理方法、装置和系统
US11265892B2 (en) Data transmission method and device
US9706464B2 (en) Communication control method, user terminal, and processor
CN111543080A (zh) 用于网络拓扑管理的系统和方法
US8862131B2 (en) Method and apparatus for handover preparation
CN113056946A (zh) 用于在无线回程中使用冗余链路的方法和设备
US20150172964A1 (en) Ue context release method, enb and home enb gateway
WO2020165280A1 (fr) Échange d'informations de chemin de remplacement pour une meilleure planification et une reprise sur incident de réseau de collecte dans des réseaux d'amenée à accès intégrés
KR20120048605A (ko) 무선 통신 시스템, 무선 통신 방법, 무선국, 제어국, 및 프로그램을 저장하는 컴퓨터 판독 가능한 기록 매체
US20150341977A1 (en) Mobile communication system, user terminal, and base station
WO2016159841A1 (fr) Continuité de service
JP6864106B2 (ja) デュアルプロトコルスタックユーザ機器と、無線アクセス電気通信ネットワークの２つのベースバンドユニットとの間のデュアルコネクティビティのための、方法およびデバイス
JP2023554677A (ja) Ｓｌリレーの場合の障害監視および回復機構
WO2021106769A1 (fr) Système de communication, station de base et terminal de communication
WO2020167188A1 (fr) Entité de protocole pdcp, entité de commande rlc et procédés réalisés dans celles-ci pour fournir une connectivité multiple
WO2014082201A1 (fr) Procédé, dispositif et système de transmission de données
US9456463B2 (en) Mobile communication system, user terminal, and communication control method
EP4021072A1 (fr) Procédé, appareil et système de traitement de données
WO2017028592A1 (fr) Procédé d'indication de capacité, procédé d'établissement d'itinéraire, terminal mobile, et dispositif de réseau
WO2010105414A1 (fr) Procédé, dispositif et système de transfert d'informations

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200980119199.7

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09841698

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 09841698

Country of ref document: EP

Kind code of ref document: A1