Unlock instant, AI-driven research and patent intelligence for your innovation.
A method and system for a relay node to access a network
What is Al technical title?
Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A relay node and network access technology, applied in the field of mobile communication, can solve the problems that RN cannot access, RN cannot access the network and work normally, and achieve the effect of small protocol changes
Active Publication Date: 2016-07-06
ZTE CORP
View PDF3 Cites 0 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
[0012] However, because the network parameters (such as the identity and load of the DeNB, or the load of the MME) will change, and the deployment location of the RN will change, so this pre-configuration method is likely to prevent the RN from accessing the network to work normally. Especially when the RN needs to be deployed as soon as possible due to an emergency (such as an earthquake disaster), the pre-configuration method prevents the RN from accessing the network to provide coverage services
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0059] The RN pre-configures a list of DeNBs or cells that can be accessed. After the RN is initially powered on, the process of accessing the network is as follows: Figure 4 Shown:
[0060] Step 401, RN selects the cell with the best signal quality (belonging to the DeNB list or cell list) on a certain frequency point according to the DeNB list or cell list that can be accessed, obtains system information, initiates random access, and sends a request to the cell to which the cell belongs. The DeNB sends an RRC connection request (RRCConnectionRequest) message;
[0061] Step 402, the DeNB allocates resources for the RN, and sends an RRC connection setup (RRCConnectionSetup) message to the RN;
[0062] Step 403: After receiving the establishment of the RRC connection, the RN sends the RRC Connection Setup Complete (RRCConnectionSetupComplete) signaling to the DeNB, and the completion signaling includes the type information of the RN; at the same time, the signaling also incl...
Embodiment 2
[0079] In this embodiment, the RN does not have a pre-configured list of DeNBs or cells that can be accessed. The system message broadcast by the cell includes information about whether the cell allows relay node access, and the RN selects a cell that can be accessed according to the broadcast information.
[0080] Step 501, RN searches for cells within its supported frequency band, selects a cell with the strongest signal quality at a certain frequency point and allows relay node access, reads the system information of this cell, initiates random access in this cell, and sends The base station to which the cell belongs, that is, the DeNB, sends an RRC connection request (RRCConnectionRequest) message;
[0081]Steps 502 and 503 are the same as steps 402 and 403 in the first embodiment. In this embodiment, the RN type information contained in the RRC connection establishment completion signaling sent by the RN to the DeNB in step 503 indicates that the accessed RN is a relay...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More
PUM
Login to View More
Abstract
The invention discloses a method and a system for a relay node to access the network, which can enable RN to access the network conveniently and quickly, and carry out work smoothly. The method includes: during the initial access process, the relay node (RN) carries the type information of the RN in the message sent to the donor base station (DeNB), and the DeNB assigns the type information of the RN to the RN according to the type information of the RN. Select a Mobility Management Entity (MME) that supports the RN. By notifying the base station of the type information of the RN when the RN establishes the RRC connection, the base station can select a suitable MME for the RN, and at the same time solve the problem of how the base station obtains the type information of the RN. The invention makes little changes to the protocol, and can enable the RN to smoothly access the network and work.
Description
technical field [0001] The present invention relates to the field of mobile communication, in particular to a method and system for a relay node to access a network. Background technique [0002] The third-generation mobile communication long-term evolution (LTE, Long Term Evolution) system consists of an evolved universal terrestrial radio access network (E-UTRAN, Evolved Universal Terrestrial Radio Access Network), a user equipment (UE, User Equipment), and an evolved packet core network (EPC, Evolved Packet Core). Among them, the E-UTRAN is composed of an enhanced base station (eNB) of an access network element. The eNB is connected to a terminal UE through a Uu interface, and is connected to a core network element such as a Mobility Management Entity (MME, Mobility Management Entity) through an S1 interface. [0003] In order to meet the growing demand for large bandwidth and high-speed mobile access, the Third Generation Partnership Project (3GPP, Third Generation Part...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to View More 
Login to View More