CN101365163B - Method for resident network, network system, network side apparatus and user terminal - Google Patents

Method for resident network, network system, network side apparatus and user terminal Download PDF

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CN101365163B
CN101365163B CN2007101401502A CN200710140150A CN101365163B CN 101365163 B CN101365163 B CN 101365163B CN 2007101401502 A CN2007101401502 A CN 2007101401502A CN 200710140150 A CN200710140150 A CN 200710140150A CN 101365163 B CN101365163 B CN 101365163B
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network
cell
user terminal
indication message
information
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CN101365163A (en
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蔺波
于映辉
薛希俊
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN201210186447.3A priority Critical patent/CN102711219B/en
Priority to CN2007101401502A priority patent/CN101365163B/en
Priority to PCT/CN2008/071887 priority patent/WO2009018771A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information

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  • Computer Security & Cryptography (AREA)
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Abstract

The embodiment of the invention discloses a method for a user terminal to linger on network. The method comprises the following steps: a network side generates an indication message for indicating that a user terminal lingers on the network; and the network side sends down the indication messaged to the user terminal and indicates that the user terminal selects a corresponding network to linger on according to the indication message. Correspondingly, the embodiment of the invention provides a network system, which comprises network side equipment and the user terminal. The network side equipment is used for generating the indication message that the user terminal lingers on the network, sending down the indication message to the user terminal, and indicating that the user terminal chooses the corresponding network to linger on according to the indication message. The user terminal is used for receiving the indication messaged sent down by the side network. The embodiment of the invention further provides the side equipment and the user terminal correspondingly. The technical scheme of the embodiment of the can optimize the lingering of UE on network, and take the best advantages of network resources.

Description

Network residing method, network system, network side equipment and user terminal
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method for residing in a network, a network system, a network side device, and a user terminal.
Background
In the umts (universal Mobile telecommunications system), with the adoption of the hspa (high Speed Packet access) technology, the rate of the ps (Packet switched) domain service is greatly increased. In order to better meet the high-speed and diversified service requirements of future users and to make the future long term evolution lte (longterm evolution) system smoothly evolve, the current third generation partnership project 3GPP standard organization proposes the research of HSPA + (HSPA evolution), the main change of which is the flattening of the system structure, i.e. in the HSPA + network, there is no radio network controller RNC, Node B + (access point B of HSPA +) is directly connected to the core network as the Node of the access network, and Node B + Node can only be connected to the core network of the PS domain. For the support of circuit switched CS (circuit switched) traffic, services must be provided through an RNC that supports both PS and CS traffic before HSPA + on the network.
The HSPA + network provides a relatively high rate, and a user terminal UE corresponding to the HSPA + network, referred to as a UE of version R8, can support high-speed data services provided by the HSPA + network. Since the channel structure of the HSPA + network at the access side, etc. and the HSPA network basically have no changes, UEs supporting the R6 version and the R7 version of HSPA may also be considered as UEs that can support high-speed data traffic, and therefore UEs of the R6 version, the R7 version and the R8 version may be referred to as high-capability UEs, and it is considered that these UEs are more likely to initiate high-speed data traffic. While the rate of services that can be supported by UEs before the R6 release is limited due to the limitation of the access technology, these UEs may be considered as low-capability UEs, and it is considered that these UEs are more likely to initiate CS services and low-rate PS services, which can be well supported in the legacy network (legacy network).
In the prior art of UMTS, the camping of a UE to the network is a differentiation between the carrier frequency and the access technology of the cell. The camping is a set of actions that the UE enters an idle state on a cell through cell selection and reselection, and can obtain normal service on the cell, and the UE can camp on the cell as long as the cell is selected and reselected to a suitable cell.
During the research and practice of the prior art, the inventor finds that the prior art has the following problems:
in the area covered by the HSPA + network and the legacy network again, the existing cell selection and reselection only distinguishes the carrier frequency and access technology of the cell, and does not distinguish the high and low capabilities of the UE and the network, so that the high-capability UE may also reside in the low-capability legacy network, the low-capability UE may also reside in the high-capability HSPA + network, and the network resource cannot be well utilized by the network residing method.
Disclosure of Invention
The technical problem to be solved in the embodiments of the present invention is to provide a method, a network system, a network side device and a user terminal for residing in a network, which can optimize the residence of a UE in the network and make better use of network resources.
In order to solve the technical problem, the embodiment provided by the invention is realized by the following technical scheme:
the embodiment of the invention provides a network residing method, which comprises the following steps: the network side generates an indication message for indicating the user terminal to perform network residence; and the network side issues the indication message to the user terminal, and indicates the user terminal to select a corresponding network for residing according to the indication message.
An embodiment of the present invention provides a network system, including: the network side equipment is used for generating an indication message for indicating the user terminal to carry out network residence, sending the indication message to the user terminal and indicating the user terminal to select a corresponding network to reside according to the indication message; and the user terminal is used for receiving the indication message sent by the network side equipment and selecting the corresponding network to reside according to the indication message.
An embodiment of the present invention provides a network side device, including: a generating unit, configured to generate an indication message indicating that the user terminal performs network residing; and the indicating unit is used for sending the indicating message generated by the generating unit to the user terminal and indicating the user terminal to select the corresponding network to reside according to the indicating message.
An embodiment of the present invention provides a user terminal, including: a receiving unit, configured to receive an indication message, which is issued by a network side device and indicates a user terminal to perform network residence; and the processing unit is used for selecting the corresponding network to reside according to the indication message received by the receiving unit.
As can be seen from the above technical solutions, the technical solutions provided by the embodiments of the present invention are: the network side generates an indication message for indicating the user terminal to perform network residence; and the network side issues the indication message to the user terminal, and indicates the user terminal to select a corresponding network for residing according to the indication message. Because the network side generates the indication message and indicates the user terminal to select the proper network corresponding to the terminal capability or service for residence through the indication message, the residence of the user terminal on the network can be optimized, so that the user terminal with high capability resides on the network with high capability, the user terminal with low capability resides on the network with low capability, and the network resources are better utilized.
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FIG. 1 is a flow chart of a method of residing a network according to an embodiment of the invention;
FIG. 2 is a flow chart of a method of network hosting according to an embodiment of the present invention;
FIG. 3 is a flow chart of a method of an embodiment of the present invention for a triple-homed network;
FIG. 4 is a schematic diagram of a network system according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a network-side device structure according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a user terminal according to an embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a network residing method, which can optimize the residence of User Equipment (UE) in a network and better utilize network resources.
Referring to fig. 1, a flowchart of a method for residing in a network according to an embodiment of the present invention is shown, including:
step 101, sending the generated indication message to a user terminal;
the indication message generated by the network side carries information describing the network capability or carries information describing the network capability and cell reselection parameter information, and is used for indicating the user terminal to select a network corresponding to the terminal capability or service according to the indication message for residing. Of course, the indication message may also carry only cell reselection parameter information.
The information describing the network capability may be information of supported networks or network-related versions, and the like, including: information indicating support of a legacy network or information indicating support of a high speed packet access evolved HSPA + network, or information indicating support of an LTE network. Information supporting HSPA + networks may be added in the information element ie (information element) of the system message block sib (system information block) of UMTS. Correspondingly, the cell reselection parameter information corresponding to the HSPA + network may also be set in the cell selection and reselection parameter set. The newly set cell reselection parameter information of the HSPA + network may include several setting modes, such as setting an offset value based on the cell offset of the original UMTS network, or directly resetting the cell offset for the HSPA + network. Similarly, the information supporting the LTE network may also be added in the information element IE of the system message block SIB of LTE. The cell reselection parameter information of the LTE network may also be set in the cell selection and reselection parameter set, and when the LTE network is applied, a set of cell selection and reselection parameters may be defined for the legacy network and the HSPA + network, respectively, according to the concept of inter-frequency processing.
It should be noted that the indication message generated by the network side may also carry priority information of a hierarchical Cell structure HCS (hierarchical Cell structure), and is used to indicate the user terminal to select a network of the HCS corresponding to a suitable priority for residing according to information such as its own capability or initiated service. The network side allocates the corresponding HCS priority for the cells in the network, and under the condition of the heavy coverage of the HSPA + and legacy networks, the network side can allocate a high-priority HCS for the HSPA + network, so that the high-capacity UE can preferentially reside on the HSPA + network; in LTE, a network re-coverage hierarchy still exists, and the HCS priority of a cell may also be set according to the capability of the network and the services provided.
The network side may send the indication message to the UE in a broadcast or downlink signaling manner.
And 102, the user terminal selects a network corresponding to the terminal capability or service to reside according to the indication message.
The user terminal receives the indication message sent by the network side, if the indication message only carries the information describing the network capability, after the user terminal reads the information describing the network capability, the user terminal selects the network with the network capability corresponding to the terminal capability or the service of the user terminal according to the initiated service, the terminal capability of the user terminal and the information describing the network capability, and accesses the network to the cell of the corresponding network, receives the broadcast information in the cell, and acquires the cell reselection parameter information from the broadcast information for residing. For example, a high-capability ue may select a cell accessed to an HSPA + network with a high network capability according to a high terminal capability, and a low-capability ue may select a cell accessed to a conventional network with a low network capability according to a low terminal capability.
If the indication message carries information describing network capability and cell reselection parameter information, after the user terminal reads the information describing the network capability, the network with the network capability corresponding to the terminal capability or the service of the user terminal is selected according to the initiated service, the terminal capability of the user terminal and the information describing the network capability, the network is accessed to a cell of the corresponding network, and the residence is carried out according to the read cell reselection parameter information.
If the indication message only carries the cell reselection parameter information, the user terminal can access to the network for residing according to the cell reselection parameter information.
It should be noted that, when the indication message sent by the network side in step 101 carries HCS priority information, the user terminal selects a network of the HCS corresponding to a suitable priority for residing according to the HCS priority information carried in the indication message and according to information such as its own capability and initiated service.
In addition, the network side may also set the user terminal meeting a predetermined condition to be able to read the content of the indication message, where the predetermined condition may be capability information (e.g., terminal version information, category information, etc.) of the user terminal or initiated service information, etc. For example, it is assumed that only the user terminal with version R6 or more, or the user terminal with type B, or the user terminal with service information PS can read the information indicating support of the HSPA + network. If a predetermined condition is set for the user terminal, the user terminal meeting the condition reads the cell reselection parameter information of the HSPA + network, and applies it to the operation process of cell selection and reselection, and the process of cell selection and reselection is the same as the process of the prior art, except that at this time, the newly set cell reselection parameter information of the HSPA + network is read. The category information of the UE refers to three UE categories defined in LTE, which are a category a, a category B, and a category C. The requirement of the highest uplink and downlink rate of the class a UE may be: UL 50Mbps, DL 100Mbps, most suitable for residing in LTE network; the requirement of the highest uplink and downlink rate for the class B UE may be: UL 25Mbps and DL 50Mbps, and is suitable for residing in the HSPA + network; the requirement of the highest uplink and downlink rate of the type C UE may be: UL 2Mbps, DL 2Mbps, suitable for legacy networks residing to UMTS. For class B, the priority of its residence in the HSPA + network is highest, class A, C second. This classification is only one specific example, and it is obvious that other classification methods may be used. Of course, the network side may not set the condition, and all UEs can acquire the information describing the network capability.
Please refer to fig. 2, which is a flowchart illustrating a method for residing in a network according to an embodiment of the present invention, including:
step 201, a user terminal sends a message carrying information describing terminal capability or service to a network side;
for the scenario where the HSPA + network and the legacy network are co-covered, the network will typically use an additional routing area RA to identify this co-covered area. When the user terminal moves from an area (for example, RA1) singly covered by the conventional network to an area (for example, RA2) covered by both the HSPA + network and the conventional network, and finds that the RA identifier broadcasted on the network is different from the value of the RA identifier stored in the UE, the user terminal initiates a routing area update procedure, and sends a routing area update request message to the network side, wherein the routing area update request message carries information such as the capability or service of the user terminal. Of course, the UE may also use other uplink information to report information such as its capability or service.
Step 202, the network side sends the generated indication message to the user terminal;
and the network side generates an indication message according to the information describing the terminal capability in the received message, and sends the indication message to the user terminal to indicate that the user terminal resides in the designated cell, wherein the indication message carries the parameter information of the designated cell and/or the designated cell.
After the user terminal sends a routing area updating request message to the network side, the network side returns a routing area updating response message to the user terminal, and the routing area updating response message carries the parameter information of the designated cell and/or the designated cell and indicates that the user terminal resides in the designated cell. For example, when the user terminal moves from the cell 2 of RA1 covered by the traditional network to the cell 3 of area RA2 covered by both HSPA + network and traditional network, the cell 3 belongs to HSPA + network, the user terminal is the user terminal supporting high speed packet service or the preferred service in the subscription information of the user terminal is packet service, the network side indicates the user terminal to the cell 3 through the route area update flow according to the information describing the user terminal capability or service. Of course, the network side may also use another downlink signaling to instruct the UE to camp on another cell.
Step 203, the user terminal selects the network corresponding to the terminal capability or service to reside according to the indication message.
The user terminal receives the indication message sent by the network side, if the indication message carries the designated cell, the user terminal directly accesses to the designated cell in the indication message, acquires the broadcast information in the cell, and resides in the cell according to the cell parameter information in the broadcast information.
And if the indication message carries the parameter information of the specified cell or the indication message simultaneously carries the parameter information of the specified cell and the specified cell, the user terminal resides in the cell according to the parameter information of the specified cell in the indication message.
Therefore, the technical scheme of the embodiment of the invention sends the indication message to the user terminal through the network side, so that the user terminal can select the proper network to reside according to the self capability and the network capability, and the high-capability UE can reside in the high-capability network and the low-capability UE can reside in the low-capability network.
In the embodiment of the invention, information indicating support of the HSPA + network is required to be added, the information describes network capacity, and cell reselection parameter information corresponding to the HSPA + network is set. Specific implementations include, but are not limited to, the following.
The first method is as follows:
firstly, the method comprises the following steps: increasing information representing support for HSPA + networks
The indication whether the high speed downlink packet access HSDPA and the enhanced dedicated channel E-DCH cell are supported in the UMTS is set in the information element IE of SIB5 and SIB5 bis. The embodiment of the invention adds the indication whether the network side supports HSPA + or not in SIB5 and SIB5bis IE of UMTS. The specific structure may be as follows but is not limited thereto:
information element IE Type and parameter Description of the invention Version(s)
HSDPA cell Indicator (HSDPA cell indication) Enumrated (HSDPA CapableCell) (HSDPA capable cell) Rel-6
E-DCH cell Indicator (E-DCH cell indication) Enumected (E-DCH CapableCell) (E-DCH capability cell) Rel-6
HSPA evolution cellingdition (HSPA evolution cell indication) Enumrated (HSPA evolution capable cell) Rel-8
TABLE 1
In table 1, HSPA evolution cell indication (HSPA evolved cell indication) is a new IE for indicating support of HSPA + network. The IE may be readable by all UEs, or only a part of the UEs, and specifically may set attributes of a user group that can read the IE, such as a high-capability UE (UE of UMTS above R6 version), or a UE with PS service as service information (especially a UE with a connection mode of CELL _ PCH, URA _ PCH or CELL _ FACH state), where the UE in idle state may determine service-related information according to a preferred service or a subscribed service, and the like.
Setting cell selection and reselection parameter information corresponding to the HSPA + network
In the first mode, the bias parameters of the cell reselection applied by the UMTS are modified. The network side modifies the cell selection and reselection parameter sets used by the UMTS network, and the modified parameter sets are used for some UE groups, such as a high-capability UE group or a UE group for initiating a high-speed PS service, so that other UEs may not read the information, and good backward compatibility is achieved.
The modification in the UMTS network consists in modifying the set of cell selection and reselection parameters for either intra-frequency or inter-frequency (depending on whether HSPA + is co-frequency or inter-frequency deployed with the current system). See in particular tables 2 and 3. The term "pilot frequency" means that the carriers of cells are different in the same access system. Regarding the bias parameters for cell reselection, the bias in table 2 is mainly used for the adjustment of the current cell, and the bias in table 3 is used for the adjustment between the current serving cell and the neighboring cell.
Information element IE Type and parameter Description of the invention Version(s)
HSPA evolution cellingdition (HSPA evolution cell indication) Enumrated (HSPA evolution capable cell) Rel-8
Cell individual offset Real (-10..10 by step of 0.5) (data range-10 to 10, step size 0.5) Default value of 0dB for adjusting measurement result
Delta offset (offset value of cell individual offset) Real (-10..10 by step of 0.5) (data range-10 to 10, step size 0.5) Offset value added on the basis of cell individual offset Rel-8
TABLE 2
In table 2, HSPA evolution cell indication (HSPA evolved cell indication) and delta offset (offset value of cell individual offset) are newly added IEs for supporting the HSPA + network. The Cell offset of the HSPA + network can be obtained by adding the delta offset to the Cell index offset of the existing original network. The new IE may be readable by all UEs, or only a part of the UEs may read, and specifically, the attribute of the user group that can read the IE may be set, for example, a high-capability UE (UE of UMTS above R6 version), or a UE whose service information is PS service (especially UE in CELL _ PCH, URA _ PCH or CELL _ FACH state), and the UE in idle state may determine the information related to the service according to the preferred service or subscribed service, etc.
Information element IE Type and parameter Description of the invention Version(s)
Qoffset1s，n Integer (-50..50) (data range-50.. 50) Default value is 0.[dB]Default value 0dB
Information element IE Type and parameter Description of the invention Version(s)
DeltaQoffset1(Qoffset1s，nOffset value of (2) Integer (-50..50) (data range-50.. 50) Used for HSPA evolution capability cell (cell for HSPA evolution capability) Rel-8
Qoffset2s，n Integer (-50..50) (data range-50.. 50) Default value is 0.[dB]Default value 0dB
DeltaQoffset2(Qoffset2s，nOffset value of (2) Integer (-50..50) (data range-50.. 50) Used for HSPA evolution capability cell (cell for HSPA evolution capability) Rel-8
TABLE 3
In table 3, delta Qoffset1 (offset value of Qoffset1s, n) and delta Qoffset2 (offset value of Qoffset2s, n) are newly added IEs for supporting HSPA + network. The IE may be readable by all UEs, or only a part of the UEs, and specifically may set the attribute of the user group that can read the IE, such as a high-capability UE (UE of UMTS above R6 version), or a UE with PS service as service information (especially UE in CELL _ PCH, URA _ PCH or CELL _ FACH state), where the UE in idle state may determine the service-related information according to the preferred service or subscribed service.
The second way,
The main difference between the second mode and the first mode is that the second mode redefines the cell selection and reselection parameter set for the HSPA + network, which can be used directly, while the first mode sets the offset value on the basis of the cell selection and reselection parameters of the original UMTS network, i.e. adds the set offset value on the basis of the cell selection and reselection parameters of the original UMTS network to obtain the cell selection and reselection parameters of the HSPA + network.
Firstly, the method comprises the following steps: increasing information representing support for HSPA + networks
The indication of whether HSDPA and E-DCH cells are supported in UMTS is set in the SIB5 and the information element IE of SIB5 bis. The embodiment of the invention adds the indication whether UE supports HSPA + in SIB5 and SIB5bis IE of UMTS. The contents of this section are the same as in the first embodiment, and are not described in detail.
Setting cell selection and reselection parameter information corresponding to the HSPA + network
In the second mode, bias parameters for cell reselection applied by the HSPA + network are defined, and these parameters are used for some UE groups, such as for high-capability UE groups or for UE groups initiating high-speed PS services, so that other UEs may not read this information, and good backward compatibility is achieved.
A set of cell selection and reselection parameter sets for the HSPA + network is defined in the HSPA + network, which is equivalent to the cell selection and reselection parameter sets for the HSPA + network in addition to the cell selection and reselection parameter sets of the same frequency, different frequency and different systems. By heterogeneous system is meant different access technologies, such as GSM, UTRAN and LTE, which are different access systems. Regarding the bias parameters for cell reselection, the bias in table 4 is mainly used for the adjustment of the current cell, and the bias in table 5 is used for the adjustment between the current serving cell and the neighboring cell.
Information element IE Type and parameter Description of the invention Version(s)
HSPA evolution cellingdition (HSPA evolution cell indication) Enumrated (HSPA evolution capable cell) Rel-8
Cell individual offset Real (-10..10 by step of 0.5) (data range-10 to 10, step size 0.5) Default value of 0dB for adjusting measurement result
Cell index offset for HSPA evolution (Cell individual offset of HSPA evolution network) Real (-10..10 by step of 0.5) (data range-10 to 10, step size 0.5) Rel-8
TABLE 4
Information element IE Types and referencesNumber of Description of the invention Version(s)
Qoffset1s，nOffset amount Integer (-50..50) (data range-50.. 50) Default value is 0.[dB]Default value 0dB
Information element IE Type and parameter Description of the invention Version(s)
Qoffset1s，nfor HSPA evolution cell (offset Qoffset1 of HSPA evolution network)s，n) Integer (-50..50) (data range-50.. 50) Use of HSPA evolution capability cell for HSPA evolution capability cell Rel-8
Qoffset2s，n Integer (-50..50) (data range-50.. 50) Default value is 0.[dB]
Qoffset2s，nfor HSPA evolution cell (offset Qoffset2 of HSPA evolution network)s，n) Integer (-50..50) (data range-50.. 50) Use of HSPA evolution capability cell for HSPA evolution capability cell Rel-8
TABLE 5
In table 4, HSPA evolution Cell indication (HSPA evolved Cell indication), Cell index adaptive offset for HSPA evolution (Cell individual offset of HSPA evolved network) and Qoffset1s in table 5, n for HSPA evolution Cell (Qoffset1s, n of HSPA evolved network), Qoffset2s, and for HSPA evolution Cell (Qoffset2s, n of HSPA evolved network) are newly added IEs for supporting HSPA + network. The new IE may be readable by all UEs, or only a part of the UEs, and specifically may set the attribute of the user group that can read the IE, such as a high-capability UE (UE of UMTS above R6 version), or a UE with PS service as service information (especially UE in CELL _ PCH, URA _ PCH or CELL _ FACH state), where the UE in idle state may determine the service-related information according to a preferred service or a subscribed service, etc.
The above describes an application environment in which a UMTS system and a HSPA + network are overlaid together, and a further case is the application in LTE.
In LTE, the setting of cell selection and reselection parameters in the embodiments of the present invention is: for the same frequency, a set of parameters is used; for pilot frequencies, each frequency uses a set of parameters; under the condition of different systems, different systems can use one set of parameters respectively according to the thought of different frequency processing.
When the method is applied to LTE, since services provided by the HSPA + system and the legacy system are different, requirements on the requirement for camping are also different, a set of cell selection and reselection parameters may be defined for the legacy system and the HSPA + system, respectively, and the specific method may refer to the process of re-defining a set of cell selection and reselection parameters for the HSPA + network in the above-described manner two. The information of the LTE network support can be added in the information element IE of the system message block SIB of LTE. In this way, all UEs can select a suitable network according to their own terminal capabilities and camp on the network.
For cell reselection for LTE, the network side may also specify attributes of the UE group that reads HSPA + network parameters, e.g. set according to the UE category. As mentioned earlier, three UE classes can be defined in LTE, a class a, a class B and a class C. The requirement of the highest uplink and downlink rate of the class a UE may be: UL 50Mbps, DL 100Mbps, most suitable for residing in LTE network; the requirement of the highest uplink and downlink rate for the class B UE may be: UL 25Mbps and DL 50Mbps, and is suitable for residing in the HSPA + network; the requirement of the highest uplink and downlink rate of the type C UE may be: UL 2Mbps, DL 2Mbps, suitable for legacy networks residing to UMTS. For class B, the priority of its residence in the HSPA + network is highest, class A, C second. Of course, the attribute of the UE group that specifies reading HSPA + network parameters may also be based on the UE version, e.g. more than R6 version, or the UE whose service-related information is high speed PS.
Please refer to fig. 3, which is a flowchart illustrating a method for residing in a network according to an embodiment of the present invention, including:
step 301, sending the generated indication message carrying the femtocell access information to the user terminal;
the indication message generated by the network side carries the access information of the home base station HNB (Home Node B), and is used for indicating the user terminal to select the corresponding home base station network to reside according to the indication message.
The current standard provides a research project of 3G/LTE Home NB, and the basic idea is that a Home base station HNB is arranged in a terminal user Home to provide low-cost and high-rate services for a user terminal in a Home environment. Therefore, the HNB also has an overlapping coverage area with the Node B of the operator (hereinafter referred to as macro base station). Therefore, the network side can generate an indication message carrying the HNB access information for indicating the user terminal to select the corresponding HNB network to reside according to the indication message.
The HNB access information may include: the access information of the user can be completely open or only limited to some users, and specifically can be a mobile phone number of the user, an International Mobile Subscriber Identity (IMSI), a temporary mobile subscriber number (TMSI), a packet switching domain temporary mobile subscriber number (P-TMSI) and the like.
After generating the indication message carrying the HNB access information, the network side may send the indication message to the user equipment UE in a broadcast or downlink signaling manner.
And step 302, the user terminal selects the home base station network to reside according to the indication message.
And the user terminal preferentially selects the HNB network for residing according to the HNB access information in the indication message. When the HNB where the user is located has an overlapping coverage area with the Node B of the operator, the benefit that the user terminal preferentially camps on the HNB network is: the HNB network can use the service, which can save the cost and enjoy the service with high speed, thus improving the service experience of the user and sharing the load of the macro cell.
In addition, when the user terminal is in the home environment, the user terminal is basically in a relatively static state, so the HCS parameter of the HNB network can also be set to a high priority, and the indication message sent to the user terminal at the network side carries the HCS priority information, so that the user terminal in the home environment preferentially selects to camp on the HNB network according to the HCS priority information carried in the indication message, thereby implementing cell reselection optimization.
The foregoing describes a method for residing in a network in detail in an embodiment of the present invention, and accordingly, an embodiment of the present invention provides a network system.
Please refer to fig. 4, which is a schematic diagram of a network system according to an embodiment of the present invention.
The network system includes: a network side device 40 and a user terminal 41.
The network side device 40 is configured to generate an indication message for indicating the user terminal 41 to perform network residence, send the indication message to the user terminal 41, and indicate the user terminal 41 to select a corresponding network for residence according to the indication message.
And the user terminal 41 is configured to receive an indication message sent by the network side device 40, and select a corresponding network to reside according to the indication message.
Fig. 5 is a schematic diagram of a network-side device according to an embodiment of the present invention.
The network-side device 40 includes: a generating unit 401 and an instructing unit 402.
A generating unit 401, configured to generate an indication message. The generating unit 401 may generate an indication message carrying information describing network capability or carrying information describing network capability and parameter information of a cell, or generate an indication message carrying parameter information of a specified cell and/or a specified cell; or generating an indication message carrying the hierarchical cell structure priority information.
The parameter information of the cell generated by generating section 401 includes: cell reselection parameter information of a traditional network or cell reselection parameter information of a high-speed packet access evolution HSPA + network or cell reselection parameter information of a long-term evolution LTE network; and the cell reselection parameter information of the HSPA + network sets a bias value for the cell bias based on the original network, or directly sets the cell bias for the HSPA + network. Setting the cell offset for the HSPA + network, i.e. redefining the set of cell selection and reselection parameters for the HSPA + network, the defined cell reselection parameters may be used directly. Setting a cell offset for the HSPA + network, namely setting an offset value on the basis of a cell reselection parameter of the original UMTS network, and then adding the set offset value on the basis of the cell reselection parameter of the original UMTS network to obtain the cell reselection parameter of the HSPA + network. The cell reselection parameter information of the long term evolution LTE network includes a set of cell reselection parameters respectively set for the conventional network and the HSPA + network according to the concept of pilot frequency processing.
An indicating unit 402, configured to send the indication message generated by the generating unit 401 to the user terminal 41, and instruct the user terminal 41 to select a suitable network to reside.
When the generating unit 401 generates an indication message carrying information describing network capabilities or carrying information describing network capabilities and parameter information of a cell, and the indicating unit 402 indicates the user terminal 41 to select a network having network capabilities corresponding to the terminal capabilities or services of the user terminal 41 when the indication message carries the information describing network capabilities, and reads the parameter information of the issued cell from the cell of the network for residence; when the indication message carries information describing network capabilities and cell parameter information, the indicating unit 402 indicates the user terminal 41 to select a network whose network capabilities correspond to the terminal capabilities or services of the user terminal 41, and performs camping according to the cell parameter information in the indication message.
When the generating unit 401 generates an indication message carrying hierarchical cell structure priority information, the indicating unit 402 sends the indication message, and instructs the user terminal 41 to select a network corresponding to the hierarchical cell structure priority for residing according to the hierarchical cell structure priority information carried in the indication message and according to the terminal capability or service of the user terminal.
When the generating unit 401 generates an indication message carrying the specified cell and/or the parameter information of the specified cell, and the indicating unit 402 indicates the user terminal 41 to access the specified cell in the indication message to acquire the delivery information when the indication message carries the specified cell, and the cell parameter information in the delivery information resides in the cell; when the indication message carries the specified cell and the parameter information of the specified cell, or when the indication message carries the parameter information of the specified cell, the indicating unit 402 indicates the user terminal 41 to camp on the cell according to the parameter information of the specified cell in the indication message.
When the generating unit 401 generates an indication message carrying home base station access information; the instructing unit 402 instructs the user terminal 41 to select the femtocell network to camp on according to the femtocell access information in the instruction message. The hnb (home Node b) access information may include: the access information of the user can be completely open or only limited to some users, and specifically can be a mobile phone number of the user, an International Mobile Subscriber Identity (IMSI), a temporary mobile subscriber number (TMSI), a packet switching domain temporary mobile subscriber number (P-TMSI) and the like. When the user is located in the HNB and there is an overlapping coverage area with the Node B of the operator, the advantage that the user terminal 41 preferentially camps on the home base station network (HNB network) is: the HNB network can use the service, which can save the cost and enjoy the service with high speed, thus improving the service experience of the user and sharing the load of the macro cell.
The network-side device 40 further includes a setting unit 403.
A setting unit 403, configured to set a reading condition for the user terminal 41 to read the content of the indication message, and read the information in the indication message after the indication user terminal 41 meets the reading condition.
The generating unit 401 adds the reading condition set by the setting unit 403 to the instruction message, and the user terminal 41 that has received the instruction message reads the content of the instruction message after meeting the reading condition. The reading condition may be version information, category information, or initiated service information of the user terminal 41. For example, it is assumed that only the user terminal with version R6 or more, or the user terminal with type B, or the user terminal with service information PS can acquire the information indicating support of the HSPA + network.
Please refer to fig. 6, which is a schematic structural diagram of a ue according to an embodiment of the present invention.
The user terminal 41 includes a receiving unit 411 and a processing unit 412.
The receiving unit 411 is configured to receive an indication message, which is sent by the network-side device 40 and instructs the user terminal 41 to perform network camping. The processing unit 412 is configured to select a corresponding network to camp on according to the indication message received by the receiving unit 411.
When the indication message received by the receiving unit 411 carries information describing network capability or carries information describing network capability and parameter information of a cell; when the indication message carries information describing network capabilities, the processing unit 412 selects a network having network capabilities corresponding to the terminal capabilities or services of the user terminal 41, and reads the parameter information of the delivered cell from the cell of the network for residence; when the indication message carries information describing network capabilities and cell parameter information, the processing unit 412 selects a network whose network capabilities correspond to the terminal capabilities or services of the user terminal 41, and performs camping according to the cell parameter information in the indication message.
When the indication message received by the receiving unit 411 carries the hierarchical cell structure priority information; the processing unit 412 selects a network corresponding to the hierarchical cell structure priority for residing according to the hierarchical cell structure priority information carried in the indication message and according to the capability or service of the user terminal 41.
The ue 41 further includes a generating unit 413, configured to generate a message carrying information describing a terminal capability or a service, and send the message to the network-side device 40, where the network-side device 40 returns an indication message indicating that the ue 41 performs network camping according to the message sent by the ue 41. When the receiving unit 411 receives the indication message returned by the network side device 40 and carries the specified cell and/or the parameter information of the specified cell; when the indication message carries a designated cell, the processing unit 412 accesses the designated cell in the indication message to acquire the issuing information, and resides in the cell according to the cell parameter information in the issuing information; when the indication message carries the specified cell and the parameter information of the specified cell, or when the indication message carries the parameter information of the specified cell, the processing unit 412 resides in the cell according to the parameter information of the specified cell in the indication message.
When the receiving unit 411 receives the indication message returned by the network side device 40 and carries the femtocell access information; the processing unit 412 selects the femtocell network to camp on according to the femtocell access information in the indication message.
In summary, in the existing technology, the network residence does not distinguish the high and low capabilities of the UE and the network, so that the network residence method cannot make good use of the network resources, and the technical solution of the embodiment of the present invention is: the network side generates an indication message for indicating the user terminal to perform network residence; and the network side issues the indication message to the user terminal, and indicates the user terminal to select a corresponding network for residing according to the indication message. Because the network side generates the indication message and indicates the user terminal to select the proper network corresponding to the terminal capability or the service for residence through the indication message, the residence of the user terminal on the network can be optimized, the high-capability user terminal resides on the high-capability network, the low-capability user terminal resides on the low-capability network, network resources are better utilized, the possibility that the service initiated by the user terminal is relocated is reduced, and the load balance of the residence cell of the user terminal is also realized.
Further, the network side in the embodiment of the present invention may generate an indication message carrying information describing network capability or carrying information describing network capability and parameter information of a cell, may also generate an indication message carrying parameter information of a specified cell and/or a specified cell, may also generate an indication message carrying priority information of a hierarchical cell structure, and may also generate an indication message carrying access information of a home base station, and may all optimize the residence of a user terminal on the network through these indication messages. In addition, the cell reselection parameter information of the HSPA + network in the embodiment of the present invention may be an offset value set based on the cell offset of the original network, or may be the cell offset set for the HSPA + network.
In the above, the method for residing in a network, the network system, the network side device and the user terminal provided in the embodiments of the present invention are described in detail, and a person having ordinary skill in the art may change the specific implementation and application scope according to the idea of the embodiments of the present invention.

Claims (16)

1. A method of camping on a network, comprising:
the network side generates an indication message for indicating the user terminal to perform network residence;
the network side issues the indication message to the user terminal, and indicates the user terminal to select a corresponding network for residing according to the indication message;
wherein, if the generating the indication message for indicating the user terminal to perform network residence further comprises: a network side receives a message which is sent by a user terminal and carries information describing terminal capability or service; the generating of the indication message for indicating the user terminal to perform network residence specifically includes: the network side generates an indication message carrying the parameter information of the designated cell and/or the designated cell for the user terminal according to the information describing the terminal capability or service in the received message; the specific step of the indicating user terminal selecting the corresponding network to reside according to the indicating message is as follows: when the indication message carries the specified cell, indicating the user terminal to access the specified cell in the indication message to acquire the issuing information, and residing in the cell according to the cell parameter information in the issuing information; and when the indication message carries the designated cell and the parameter information of the designated cell, or when the indication message carries the parameter information of the designated cell, the user terminal resides in the cell according to the parameter information of the designated cell in the indication message.
2. The method of claim 1,
if the indication message for indicating the user terminal to perform network residence is generated, specifically: generating an indication message carrying information describing network capability or carrying information describing network capability and parameter information of a cell, wherein the information describing network capability comprises: information for supporting a traditional network or information for supporting a high-speed packet access evolution HSPA + network or information for supporting a long-term evolution LTE network; the specific step of the indicating user terminal selecting the corresponding network to reside according to the indicating message is as follows: when the indication message carries information describing network capability, indicating the user terminal to select a network with the network capability corresponding to the terminal capability or service of the user terminal, and reading parameter information of a issued cell from the cell of the network for residing; when the indication message carries information describing network capability and cell parameter information, indicating the user terminal to select a network with the network capability corresponding to the terminal capability or service of the user terminal, and residing according to the cell parameter information in the indication message;
or,
if the indication message for indicating the user terminal to perform network residence is generated, specifically: generating an indication message carrying hierarchical cell structure priority information; the specific step of the indicating user terminal selecting the corresponding network to reside according to the indicating message is as follows: indicating the user terminal to select the network corresponding to the hierarchical cell structure priority for residing according to the hierarchical cell structure priority information carried in the indication message and the terminal capability or service of the user terminal;
or,
if the indication message for indicating the user terminal to perform network residence is generated, specifically: generating an indication message carrying home base station access information; the specific step of the indicating user terminal selecting the corresponding network to reside according to the indicating message is as follows: and indicating the user terminal to select the femtocell network to reside according to the femtocell access information in the indication message.
3. The method of claim 1, wherein:
the parameter information of the cell includes: cell reselection parameter information of a traditional network or cell reselection parameter information of a high-speed packet access evolution HSPA + network or cell reselection parameter information of a long-term evolution LTE network.
4. The method of claim 3, wherein:
the cell reselection parameter information of the HSPA + network is as follows: an offset value set based on the cell offset of the original network, or a cell offset directly set for the HSPA + network.
5. The method of claim 3, wherein:
the cell reselection parameter information of the LTE network comprises: cell reselection parameter information set for the legacy network and the HSPA + network, respectively.
6. A method of camping on a network according to claim 1 or 2, characterized in that:
the generated indication message for indicating the user terminal to perform network camping further includes a reading condition,
and the user terminal further selects a corresponding network to reside according to the indication message after meeting the reading condition in the indication message and reading the information of the indication message.
7. The method of claim 6, wherein:
the reading condition is set according to the capability or service of the user terminal.
8. The method of claim 2, wherein:
the femtocell access information comprises user access information and/or femtocell identification information.
9. A network system, comprising:
the network side equipment is used for generating an indication message for indicating the user terminal to carry out network residence, sending the indication message to the user terminal and indicating the user terminal to select a corresponding network to reside according to the indication message; wherein, if the generating the indication message for indicating the user terminal to perform network residence further comprises: a network side receives a message which is sent by a user terminal and carries information describing terminal capability or service; the generating of the indication message for indicating the user terminal to perform network residence specifically includes: generating an indication message carrying the designated cell and/or the parameter information of the designated cell for the user terminal; the specific step of the indicating user terminal selecting the corresponding network to reside according to the indicating message is as follows: when the indication message carries the specified cell, indicating the user terminal to access the specified cell in the indication message to acquire the issuing information, and residing in the cell according to the cell parameter information in the issuing information; when the indication message carries the parameter information of the designated cell and the designated cell, or when the indication message carries the parameter information of the designated cell, the user terminal resides in the cell according to the parameter information of the designated cell in the indication message;
and the user terminal is used for receiving the indication message sent by the network side equipment and selecting the corresponding network to reside according to the indication message.
10. The network system according to claim 9,
the network side device is further configured to, if the generating of the indication message for indicating the user terminal to perform network camping specifically is: generating an indication message carrying information describing network capability or carrying information describing network capability and parameter information of a cell, wherein the information describing network capability comprises: information for supporting a traditional network or information for supporting a high-speed packet access evolution HSPA + network or information for supporting a long-term evolution LTE network; the specific step of the indicating user terminal selecting the corresponding network to reside according to the indicating message is as follows: when the indication message carries information describing network capability, indicating the user terminal to select a network with the network capability corresponding to the terminal capability or service of the user terminal, and reading parameter information of a issued cell from the cell of the network for residing; when the indication message carries information describing network capability and cell parameter information, indicating the user terminal to select a network with the network capability corresponding to the terminal capability or service of the user terminal, and residing according to the cell parameter information in the indication message;
or,
if the indication message for indicating the user terminal to perform network residence is generated, specifically: generating an indication message carrying hierarchical cell structure priority information; the specific step of the indicating user terminal selecting the corresponding network to reside according to the indicating message is as follows: indicating the user terminal to select the network corresponding to the hierarchical cell structure priority for residing according to the hierarchical cell structure priority information carried in the indication message and the terminal capability or service of the user terminal;
or,
if the indication message for indicating the user terminal to perform network residence is generated, specifically: generating an indication message carrying home base station access information; the specific step of the indicating user terminal selecting the corresponding network to reside according to the indicating message is as follows: and indicating the user terminal to select the femtocell network to reside according to the femtocell access information in the indication message.
11. A network-side device, comprising:
a generating unit, configured to generate an indication message indicating that the user terminal performs network residing;
the indicating unit is used for sending the indicating message generated by the generating unit to the user terminal and indicating the user terminal to select a corresponding network to reside according to the indicating message;
if the generating unit generates an indication message carrying the designated cell and/or the parameter information of the designated cell; when the indication message carries the designated cell, the indication unit indicates the user terminal to access the designated cell in the indication message to acquire the issued information, and resides in the cell according to the cell parameter information in the issued information; and when the indication message carries the parameter information of the specified cell and the specified cell, or when the indication message carries the parameter information of the specified cell, the indication unit indicates the user terminal to reside in the cell according to the parameter information of the specified cell in the indication message.
12. The network-side device of claim 11,
if the generating unit generates an indication message carrying information describing network capability or carrying information describing network capability and parameter information of a cell, wherein the information describing network capability includes: information for supporting a traditional network or information for supporting a high-speed packet access evolution HSPA + network or information for supporting a long-term evolution LTE network; when the indication message carries information describing network capability, the indication unit indicates the user terminal to select a network with network capability corresponding to the terminal capability or service of the user terminal, and reads the parameter information of the issued cell from the cell of the network for residing; or when the indication message carries information describing network capability and cell parameter information, the indication unit indicates the user terminal to select a network with network capability corresponding to the terminal capability or service of the user terminal, and resides according to the cell parameter information in the indication message;
or,
if the generating unit generates an indication message carrying the hierarchical cell structure priority information; the indicating unit indicates the user terminal to select the network corresponding to the hierarchical cell structure priority for residing according to the hierarchical cell structure priority information carried in the indicating message and the terminal capability or service of the user terminal;
or,
if the generating unit generates an indication message carrying the access information of the home base station; the indicating unit indicates the user terminal to select the femtocell network to reside according to the femtocell access information in the indicating message.
13. The network-side device according to claim 11 or 12, wherein:
the parameter information of the cell generated by the generation unit includes: cell reselection parameter information of a traditional network or cell reselection parameter information of a high-speed packet access evolution HSPA + network or cell reselection parameter information of a long-term evolution LTE network;
setting a bias value for a cell bias based on an original network or directly setting the cell bias for the HSPA + network by the cell reselection parameter information of the HSPA + network;
the cell reselection parameter information of the LTE network comprises: cell reselection parameters set for the traditional network and the HSPA + network respectively.
14. The network-side device according to claim 11 or 12, wherein the network-side device further comprises:
and the setting unit is used for setting the reading condition for reading the information in the indication message by the user terminal and reading the information in the indication message after the indication user terminal meets the reading condition.
15. A user terminal, comprising:
a receiving unit, configured to receive an indication message indicating that a user terminal performs network camping;
the processing unit is used for selecting the corresponding network to reside according to the indication message received by the receiving unit;
if the user terminal further comprises a generating unit, the generating unit is used for generating a message carrying information describing the terminal capability or service and sending the message to the network side equipment; the receiving unit receives an indication message returned by the network side equipment and carries the designated cell and/or the parameter information of the designated cell; when the indication message carries the designated cell, the processing unit accesses the designated cell in the indication message to acquire the issuing information, and resides in the cell according to the cell parameter information in the issuing information; or when the indication message carries the parameter information of the specified cell and the specified cell, or when the indication message carries the parameter information of the specified cell, the processing unit resides in the cell according to the parameter information of the specified cell in the indication message.
16. The user terminal of claim 15,
if the indication message received by the receiving unit carries information describing the network capability or carries information describing the network capability and parameter information of the cell; when the indication message carries information describing network capability, the processing unit selects a network with network capability corresponding to the terminal capability or service of the user terminal, and reads the parameter information of the issued cell from the cell of the network for residing; or, when the indication message carries information describing network capability and cell parameter information, the processing unit selects a network with network capability corresponding to the terminal capability or service of the user terminal, and resides according to the cell parameter information in the indication message;
or,
if the indication message received by the receiving unit carries the hierarchical cell structure priority information; the processing unit selects a network corresponding to the hierarchical cell structure priority for residing according to the hierarchical cell structure priority information carried in the indication message and according to the user terminal capability or service.
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