CN101345981A - Network selection method, communication system and mobile terminal - Google Patents

Network selection method, communication system and mobile terminal Download PDF

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Publication number
CN101345981A
CN101345981A CNA2007100760067A CN200710076006A CN101345981A CN 101345981 A CN101345981 A CN 101345981A CN A2007100760067 A CNA2007100760067 A CN A2007100760067A CN 200710076006 A CN200710076006 A CN 200710076006A CN 101345981 A CN101345981 A CN 101345981A
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network
signal quality
information
list
scanned
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CN101345981B (en
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郭均祥
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to PCT/CN2008/071598 priority patent/WO2009009993A1/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

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  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
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Abstract

The invention embodiment provides a network selection method which comprises: acquiring the information of peripheral networks including that with different access techniques; generating a network list according to the peripheral network information; scanning the networks in the list to obtaining the signal quality information; and selecting a network in the network list to attach according to the network list and the signal quality information of the scanned network. The invention embodiment further provides a mobile terminal and a communication system. The technical scheme in the invention enables the mobile terminal to select a proper network to attach among the networks with different access techniques.

Description

A kind of network selecting method, communication system and portable terminal
Technical field
The embodiment of the invention relates to the communications field, relates in particular at the network of multiple access technology type and deposits the technology of carrying out network selecting under the situation.
Background technology
Under existing wireless communication technology condition, the mobile subscriber can't roam under different wireless access technologys and switch, in order to solve the roaming switching problem of mobile subscriber between the system of different access technologies type, 2003 the end of the year IEEE (Institute of Electrical and ElectronicsEngineers, Institute of Electrical and Electronics Engineers) wireless working group has set up IEEE 802 switching seminar, definite designation at present is IEEE 802.21 working groups, be responsible for working out public switching framework, this framework is used for wired and wireless IEEE 802 standards (as IEEE 802.3, IEEE802.11 and IEEE802.16) and 3G standard, be defined in the requirement and the corresponding handover mechanism that switch between the different access technologies.
Along with the evolution of wireless communication technology, terminal and network may be multimodes all as base station, access point, that is to say to support different wireless standards, can carry out speech and transfer of data simultaneously sometimes on a plurality of interfaces.Present mobile communications network has developed to microcellulor (as IEEE 802.11 and IEEE 802.15) and macrocellular (as third generation partnership cooperative programme 3GPP, 3GPP2 and IEEE802.16), meeting produces to intersect mutually and covers between these honeycombs, and switching and network selecting will take place between networks of different type.
The irrelevant handoff solution of medium specified has disposed some handoff functionality collection among the IEEE802.21D06-00 in the mobility management protocol stack of network element, thereby formed a new protocol layer, be referred to as MIH (Media Independent Handover, the switching of media-independent) protocol layer abbreviates the MIH layer as.The MIH layer provides following service:
1.MIH Event Service (MIH-ES): event classification, event filtering and event report about the dynamic change incident of link characteristics, Link State and link-quality are provided.
2.MIH command service (MIH-CS): provide MIH user management and control the link behavior relevant with switching and mobility.
3.MIH information service (MIH-IS): feature and professional details that service network and ambient network are provided.These information are used for the efficient system access and switch decision.
The main purpose of MIH layer formulation at present is the handoff functionality that is used for media-independent, the MIH layer passes through Event Service, command service and information service provide the handoff functionality with media-independent, and this independence is to provide unified interface to realize by the lower-layer protocols in the mobility management protocol stack to upper-layer protocol.The information service mechanism of MIH provides knows the means of neighbor networks details on every side, the MIH information service can allow terminal know the detailed features of its ambient network, as network type, Virtual network operator, network provider, the high-level business that network can provide, the QoS of access network (Quality of Service, service quality) feature, cost, data rate, safety or geographical position etc.That is to say that the information service mechanism of MIH provides the more policy information of selecting network for the user.
Present network selecting technology is the mechanism that inserts medium definition oneself by each, and the principle of network selecting is fairly simple usually, can not adapt to requirement how to select access network under the network coexisted environment of multiple radio access technology types better.
For example, in existing 3GPP technology, the network selecting of UE (User Equipment, subscriber equipment) before networking is to carry out according to following principle and order:
(1) local public land mobile net network (Home Public Land Mobile Network, HPLMN) operator and user tabulate by the assembled arrangement of public land mobile net network PLMNs and wireless access technology RAT (Radio Access Technologies) and distinguish the priority of network;
(2) UE start back seeks and selects the PLMN (RPLMN) of the last registration earlier;
(3) if this RPLMN does not exist, then seek and select the highest equivalence of HPLMN or priority local public land mobile net network (Equivalent Home Public Land MobileNetwork, EHPLMN);
(4) if HPLMN or EHPLMN do not exist, then select successively user's control of preserving in SIM (SubscriberIdentity Module, the Subscriber Identity Module) card according to the PLMNs of prioritization and the network in the RAT Assembly Listing;
(5) if not the existing of above-mentioned user control according to the PLMNs of prioritization and the network in the RAT Assembly Listing, then select successively operator's control of preserving in the SIM card according to the PLMNs of prioritization and the network in the RAT Assembly Listing;
(6) if not the existing of above-mentioned operator control according to the PLMNs of prioritization and the network in the RAT Assembly Listing, then from other PLMNs and the RAT Assembly Listing select the best network of signal quality.
UE if UE is in roaming state, then can also reselect and be registered to the network in higher PLMNs of priority level and the RAT Assembly Listing after selecting network and registration.
In existing 3G technology, when signal quality changes and do not satisfy requiring of communicating by letter, generally to carry out network reselection, the principle of network reselection and order are the same.
Above-mentioned existing technology is provided with fairly simplely to the rule of network selecting and network reselection, the priority of PLMN and RAT Assembly Listing just is set in user's SIM card simply, the user selects network according to the height of priority and the quality of signal quality respectively then, and the network of selecting only is confined in the network in 3GPP camps such as GSM, GPRS, 3G.Appearance along with multiple wireless technology, as WiMAX (Worldwide Interoperability for Microwave Access, worldwide interoperability for microwave inserts), WiFi (Wireless Fidelity, Wireless Fidelity) appearance of access technology such as, and the appearance of optimizing the IEEE802.21 technology of network selecting mechanism, above-mentioned prior art does not consider how the user carries out network selecting or network reselection between these networks under the network coexisted situation of multiple wireless technology type.Present IEEE802.21 technology has only defined that network in handoff procedure is found and the process of dynamic negotiation network, and also not having solution multimode terminal when initial network entry is problem how to select the different access technologies type network.
In the existing WiMAX NWG R1.0.0-Stage-2 standard, under the border, field of MS (Mobile Station, travelling carriage) initial network entry (being not have storage networking to insert the information of NAP of provider and Internet Service Provider NSP among the MS) to carry out the method for network selecting as follows:
(1) MS detects one or more available WiMAX NAP;
(2) MS finds the available NSP be associated with one or more WiMAX NAP;
(3) MS discerns all NSP that can insert in available NSP, and selects NAP and NSP based on some prioritization criterias;
(4) MS carries out the process that inserts NAP;
(5) MS is authorized to carry out service log-on, establishes business relationship with NSP then;
(6) MS obtains and preserves configuration information.
In existing WiMAX technology, suffered at MS under the situation of storage NAP and NSP information, the method that MS carries out network selecting is as follows:
(1) MS uses the configuration information of preserving to detect one or more available WiMAX NAP;
(2) MS finds the available NSP be associated with one or more WiMAX NAP;
(3) MS discerns the NSP that all can insert, and uses the configuration information of preservation and selects NAP and NSP based on some prioritization criterias;
(4) MS carries out the process that inserts NAP, sets up the relation of access service with NSP.
Above-mentioned existing WiMAX technology is when carrying out network selecting or network reselection, the principle of institute's foundation is fairly simple, generally be to select network according to detected some prioritization criterias of NAP signal combination of user, and the network of selecting also only is confined to the WiMAX network, do not consider the network coexisted situation of multiple radio access technology types, during as 3GPP and WiMAX technology co-existence, how the user selects an optimum network.
Summary of the invention
The embodiment of the invention provides a kind of network selecting method, portable terminal and communication system, makes portable terminal carry out network selecting or gravity treatment under the network of multiple access technology type and the situation of depositing.
For reaching goal of the invention of the present invention, the embodiment of the invention provides a kind of network selecting method, and this method comprises: obtain the information of ambient network, described ambient network is the network of different access technologies type; Information according to described ambient network generates network list; Scan the network in the described network list, obtain to be scanned the signal quality information of network; According to described network list and the described signal quality information that is scanned network, in described network list, select network to adhere to.
The embodiment of the invention also provides a kind of portable terminal, and this terminal comprises: network information acquiring unit, be used to obtain the information of ambient network, and described ambient network is the network of different access technologies type; The network list generation unit is used for generating network list according to the information of described ambient network; Scanning element is used for scanning the network of described network list, obtains to be scanned the signal quality information of network; With the network selecting unit, be used for selecting the network in the described network list to adhere to according to described network list and the described signal quality information that is scanned network.
The embodiment of the invention also provides a kind of communication system, this system comprises: portable terminal, be used to obtain the information of ambient network, and generate network list according to the information of described ambient network, scan the network in the described network list, acquisition is scanned the signal quality information of network, according to described network list and the described signal quality information that is scanned network, selects network to adhere in described network list; With the media-independent server, be used to store and provide the information of described ambient network; Described ambient network is the network of different access technologies type.
The technique scheme that the embodiment of the invention provides, by obtaining the information of ambient network, and generate network list according to the information of ambient network, network during scan for networks is tabulated then, at last network signal quality information and the network list that obtains according to scanning carried out network selecting, can realize that portable terminal selects suitable network to adhere between the network of multiple access technology type.
Description of drawings
Fig. 1 is the method simplified flow chart of the embodiment of the invention one;
Fig. 2 is the method simplified flow chart of first kind of definite attach to network providing of the embodiment of the invention one;
Fig. 3 is the method simplified flow chart of second kind of definite attach to network providing of the embodiment of the invention one;
Fig. 4 is the method simplified flow chart of definite attach to network of providing of the embodiment of the invention two;
Fig. 5 is the method simplified flow chart of the embodiment of the invention two;
Fig. 6 a is the structural representation of the portable terminal that provides of the embodiment of the invention three;
Fig. 6 b is the structural representation of network list generation unit in the portable terminal that provides of the embodiment of the invention three;
Fig. 6 c-6e is three kinds of structural representations of network selecting unit in the portable terminal that provides of the embodiment of the invention three.
Embodiment
In order further to illustrate the technical scheme of the embodiment of the invention, the technical scheme that the embodiment of the invention provides is elaborated below in conjunction with accompanying drawing.
Embodiment one
Present embodiment carries out network selecting with mobile node MN (Mobile Node) between the communication network of two kinds of different access technologies (as WiMAX and 3GPP) be example, specifies the network selecting method that the embodiment of the invention provides.
As shown in Figure 1, the concrete steps of present embodiment are as follows:
Step 101, the MIH User of MN (Media Independent Handover User, the switching user of media-independent) unit sends MIH information acquisition request message, MIH_Get_Information Request for example, give MIHF (Media Independent HandoverFunction, the handoff functionality of media-independent) unit.
Step 102, the MIHF unit is to MIIS (Media Independent Information Server, the information server of media-independent) sends above-mentioned MIH_Get_Information Request message, and carry the indication of obtaining MN ambient network information in this message.
Step 103, MIIS is according to the information indication of carrying in the above-mentioned MIH_Get_Information Request message, extract the information of the needed ambient network of MN (ambient network is 3GPP network and WiMAX network in the present embodiment), and the information of extracting is encapsulated in MIH information obtains response message, MIH_Get_Information Response for example, in send to the MIHF unit of MN.The information of above-mentioned ambient network comprises: the data rate that network provides, Qos ability, security mechanism, operating cost or professional ability, wherein professional ability comprises: IMS (Internet Protocol MultimediaSubsystem, IP Multimedia System), CAMEL (Customized Applications for Mobilenetwork Enhanced Logic, mobile network strengthen the customization of logic and use), FAX (fax) or urgent call.
Step 104, the above-mentioned MIH_Get_Information Response of MIHF unit forwards message is given MIH User unit.
Step 105, policy information that MIH User unit basis presets (comprising the policy information of MN self setting or the policy information of operator) and ambient network (3GPP network and the WiMAX network) information of obtaining generate the network list according to prioritization.The priority of 3GPP network is higher than the priority of WiMAX network in the present embodiment, and certainly, according to the actual conditions of heterogeneous networks with preset strategy, the order of priority is different.
Step 106, MIH User unit sends MIH scan request message to the MIHF unit, and for example MIH_Scan Request orders 3GPP network and WiMAX network in its scan for networks tabulation.
Step 107a and step 107b, the MIHF unit sends link layer scan request message respectively, and MIH_Scan Request for example carries out network sweep to 3GPP network and WiMAX network of network access point PoA-C1 and PoA-C2.
Step 108, behind intact 3GPP network of MIHF unit scan and the WiMAX network, send the MIH scanning response message, for example the MIH_Scan Response that carry scanning result, give MIH User unit, comprise the signal quality information of 3GPP network and WiMAX network in this scanning result.
Step 109, the signal quality information of each network is known in MIH User unit according to the scanning response message, identify the network that signal quality meets the demands, and, in the satisfactory network of signal quality, select network to adhere to according to priority according to the policy information that presets.For example the signal quality of 3GPP network in the present embodiment and WiMAX network all meets the demands, and MN will be chosen in the high 3GPP network of network list medium priority and adhere to so.In like manner, if three kinds of networks according to following prioritization are arranged in the network list: 3GPP network, WiMAX network and WiFi network, and the signal quality that MN identifies WiMAX network and WiFi network meets the demands, and MN will select the high WiMAX network of priority to adhere between WiMAX network and WiFi network so.
Step 110, MIH User unit sends Attach Request message, for example Attach Request to 3GPP network of network access point PoA-C1.
Step 111a-step 111b, MN proceed to authentication and the registration of the 3GPP webserver (authority checking accounting server AAA/ home subscriber server HSS).
Step 112, if the authentication among the step 111a-111b and succeeding in registration, the PoA-C1 of 3GPP network returns to the MIH of MN User unit and adheres to response message, Attach Response for example, MN adheres to the 3GPP network.
As shown in Figure 2, the foregoing description determines that the process of attach to network is: determine the priority of each network of scanning earlier, scan the signal quality that each network is known each network then, select network to adhere at last, idiographic flow is as follows:
Step 201, MN obtains the information of ambient network from MIIS (Media Independent Information Server, the information server of media-independent).
Step 202, MN generates the network list of according to priority arranging according to policy information that presets and the ambient network information of obtaining.
Each network in the step 203, MN scan for networks tabulation is known the signal quality information of all-network in the network list.
Step 204, in the network that signal quality meets the demands, MN selects network to adhere to according to the priority of network list.
As shown in Figure 3, present embodiment also provides the process of second kind of definite attach to network, each network in the promptly first scan for networks tabulation, and the network that signal quality is met the demands carries out prioritization then, selects network to adhere at last, and idiographic flow is as follows:
Step 301, MN obtains the information of ambient network (WiMAX network and 3GPP network) from MIIS.
Step 302, MN generates network list according to policy information that presets and the ambient network information of obtaining.
Each network in the step 303, MN scan for networks tabulation is known the signal quality information of all-network in the network list.
Step 304, signal quality information according to the all-network of knowing, identify the network that signal quality meets the demands, and the network that signal quality meets the demands is carried out prioritization according to presetting the strategy and the network information, select network to adhere to according to priority.
According to the process of above-mentioned second kind of definite attach to network, step 105 can be replaced with:
Step 1051:MIH User unit generates network list according to policy information that presets (policy information of MN self setting or the policy information of operator) and ambient network (3GPP network and the WiMAX network) information of obtaining.
Step 109 is replaced with:
Step 1091, the signal quality information of each network is known in MIH User unit according to the scanning response message, identify the network that signal quality meets the demands, and just the information of the network based policy information that presets that meets the demands of signal quality and each network is carried out prioritization, selects the highest network of priority to adhere to.For example MIH User knows the unit that the signal quality of 3GPP network and WiMAX network all meets the requirements in the present embodiment, these two networks is carried out confirming that the priority of 3GPP network is the highest after the prioritization MN will select the 3GPP network to adhere to so.
By the network selecting method that present embodiment provides, can realize that portable terminal selects suitable network to adhere between the network of multiple access technology type.
Embodiment two
Present embodiment still carries out network selecting with MN between the communication network of two kinds of different access technologies (as WiMAX and 3GPP) be example, specifies the network selecting method that the embodiment of the invention provides.The technical scheme distinctive points that provides among technical scheme that present embodiment provides and the embodiment one is that MN after obtaining the network list that sorts by priority, scans and network selecting according to priority orders.As shown in Figure 4, the method flow of present embodiment is as follows:
Step 401, MN obtains the information of ambient network from MIIS.
Step 402, MN generates the network list of according to priority arranging according to policy information that presets and the ambient network information of obtaining.
Step 403, the highest network of MN scan for networks tabulation medium priority is known the signal quality information of this network.
Step 404, the signal quality of the network the highest as if this priority meets the demands, and then execution in step 406; If the signal quality of the network that this priority is the highest does not meet the demands, then execution in step 405.
Step 405 scans the network of next priority and execution in step 404.
Step 406, MN carries out network attachment.
As shown in Figure 5, the specific implementation step of present embodiment is as follows:
Step 501-step 505, identical with step 101-step 105, repeat no more herein.
Step 506, MIH User sends MIH_Scan Request message to MIHF, orders the highest 3GPP network of its scan for networks tabulation medium priority.
Step 507, MIHF sends link layer MIH_Scan Request message and scans to the 3GPP network.
Step 508, MIHF has scanned the 3GPP network, and the MIH_ScanResponse message that scanning result is carried in transmission comprises the signal quality information of 3GPP network and WiMAX network to MIH User unit in this scanning result.
Step 509, the signal quality information of 3GPP network is known according to scanning response message in MIH User unit, if the signal quality of this 3GPP network meets the demands execution in step 510; If the signal quality of 3GPP network does not meet the demands, then scan for networks tabulation medium priority is lower than the 3GPP network of network, when the signal quality that is scanned network meets the demands, and execution in step 510.
Step 510, MIH User unit sends Attach Request message to the PoA-C1 of 3GPP network.
Step 511a-511b, MN proceed to the authentication and the registration of the 3GPP webserver (AAA/HSS).
Step 512, if the authentication among the step 511a-511b and succeeding in registration, the PoA-C1 of 3GPP network returns Attach Response to the MIH of MN User unit, MN adheres to the 3GPP network.
By the network selecting method that present embodiment provides, can realize that portable terminal selects suitable network to adhere between the network of multiple access technology type.
Step 101 among above-mentioned two embodiment and step 501 can be implemented under the MN initial network entry carries out the situation of network selecting, also can reside under the situation of a certain initial network at MN, when this MN is in idle condition after after a while, this MN will carry out implementing under the scene of network reselection, be network selecting method that the embodiment of the invention the provides network selecting scene when promptly being applicable to initial network entry, also be applicable to the scene of network reselection.
Above-mentioned two embodiment all carry out network selecting with MN between the network of two kinds of access technology types or network reselection is an example, but application of the present invention is not limited to the situation of above-mentioned two embodiment, also can be used for MN and carry out network selecting or network reselection between the network of two or more access technology types.
Embodiment three
Present embodiment is introduced a kind of portable terminal in detail, and this portable terminal can be implemented in and carries out the network selecting of initial network entry between the network of multiple access technology type or carry out network reselection under the idle condition.Shown in Fig. 6 a, this portable terminal 600 comprises: network information acquiring unit 601, network list generation unit 602, scanning element 603 and network selecting unit 604, wherein,
Network information acquiring unit 601 obtains the information of ambient network, network list generation unit 602 generates network list according to the information of above-mentioned ambient network, network in scanning element 603 these network lists of scanning, acquisition is scanned the signal quality information of network, network selecting unit 604 selects the network in this network list to adhere to according to described network list and the described signal quality information that is scanned network.Described ambient network is the network of different access technologies type.
Shown in Fig. 6 b, network list generation unit 602 may further include: sequencing unit 6021 and network list generate subelement 6022, wherein,
Sequencing unit 6021 carries out prioritization according to the policy information that presets and the information of ambient network to ambient network, and network list generates subelement 6022 and generates network list according to prioritization according to the prioritization of sequencing unit 6021.
Shown in Fig. 6 c-Fig. 6 e, can there be following several structure network selecting unit 604:
Network selecting unit 604 shown in Fig. 6 c further comprises recognition unit 6041 and network selecting subelement 6042.In the portable terminal 600 of this structure, scanning element 603 scanning is described to have each network in the network list of prioritization, obtain the signal quality information of all-network, the network that recognition unit 6041 meets the demands according to the signal quality information identification signal quality of all-network selects network to adhere to according to priority in the network that the signal quality that network selecting subelement 6042 identifies at recognition unit 6041 meets the demands.
Network selecting unit 604 shown in Fig. 6 d further comprises: recognition unit 6043 and command unit 6044.In the portable terminal 600 of this structure, scanning element 603 is according to the network in the tabulation of priority orders scan for networks, and the current signal quality information that is scanned network sent to recognition unit 6043 in the network selecting unit 604, recognition unit 6043 is according to the current current signal quality that is scanned network of signal quality information identification that is scanned network, and recognition result sent to command unit 6044, when recognition result is that the current signal quality that is scanned network is when meeting the demands, the described portable terminal of command unit 6044 instructions selects the described current network that is scanned to adhere to, when recognition result is the current signal quality that is scanned network when not meeting the demands, the network of the next priority of described scanning element 603 scannings of command unit 6044 instructions.
Network selecting unit 604 shown in Fig. 6 e further comprises: recognition unit 6045, sequencing unit 6046 and network selecting subelement 6047.Wherein, the network that recognition unit 6045 meets the demands according to the signal quality information identification signal quality that is scanned network, the network based policy information that presets that sequencing unit 6046 meets the demands signal quality and the information of ambient network are carried out prioritization, and network selecting subelement 6047 selects network to adhere to according to the prioritization of sequencing unit 6046.
The information of ambient network comprises in the present embodiment: the data rate that network provides, quality of service capabilities, security mechanism, operating cost or professional ability.
By the portable terminal that present embodiment provides, can be implemented in and select suitable network to adhere between the network of multiple access technology type.
Embodiment four
Present embodiment provides the communication system of network selecting method among a kind of embodiment of realization one and the embodiment two, this communication system comprises: portable terminal and media-independent server, wherein, portable terminal can be suitable for the portable terminal that embodiment three provides, and repeats no more herein; The media-independent server stores also provides the information of ambient network to portable terminal, and this ambient network comprises the network of different access technologies type.
The information of ambient network comprises in the present embodiment: the data rate that network provides, quality of service capabilities, security mechanism, operating cost or professional ability.
By network selecting method, portable terminal and the communication system that above embodiment provides, can realize that portable terminal selects suitable network to adhere between the network of multiple access technology type.
In order to restriction protection scope of the present invention, protection scope of the present invention is not as the criterion with the scope of claim above specific embodiment.

Claims (17)

1, a kind of network selecting method is characterized in that, described method comprises:
Obtain the information of ambient network, described ambient network is the network of different access technologies type;
Information according to described ambient network generates network list;
Scan the network in the described network list, obtain to be scanned the signal quality information of network;
According to described network list and the described signal quality information that is scanned network, in described network list, select network to adhere to.
2, network selecting method according to claim 1 is characterized in that, described network list is the network list according to prioritization according to the information generation of policy information that presets and described ambient network.
3, network selecting method according to claim 2, it is characterized in that, network in the described network list of described scanning, acquisition is scanned the signal quality information of network, be specially: scan network in the described network list according to priority orders, obtain the current signal quality information that is scanned network.
4, network selecting method according to claim 3 is characterized in that, and is described according to described network list and the described signal quality information that is scanned network, selects network to adhere in described network list, specifically comprises:
If the described current signal quality that is scanned network meets the demands, then select the current network that is scanned to adhere to;
If the described current signal quality that is scanned network does not meet the demands, then the network of the next priority of instruction scan when the signal quality that is scanned network meets the demands, selects the described network that is scanned to adhere to.
5, network selecting method according to claim 2, it is characterized in that, network in the described network list of described scanning, the signal quality information that acquisition is scanned network is: scan each network in the described network list, obtain the signal quality information of all-network in the described network list.
6, network selecting method according to claim 5 is characterized in that, and is described according to described network list and the described signal quality information that is scanned network, selects network to adhere in described network list, specifically comprises:
The network that meets the demands according to the signal quality information identification signal quality of all-network in the described network list;
In the network that described signal quality meets the demands, select network to adhere to according to the priority of described network list.
7, network selecting method according to claim 1, it is characterized in that, network in the described network list of described scanning, the signal quality information that acquisition is scanned network is: scan each network in the described network list, obtain the signal quality information of all-network in the described network list.
8, network selecting method according to claim 7 is characterized in that, and is described according to described network list and the described signal quality information that is scanned network, selects network to adhere in described network list, specifically comprises:
The network that meets the demands according to the signal quality information identification signal quality of all-network in the described network list;
The network based policy information that presets that described signal quality is met the demands and the information of described ambient network are carried out prioritization;
Select network to adhere to according to priority.
9, according to the arbitrary described network selecting method of claim 1-8, it is characterized in that the information of described ambient network comprises: the data rate that network provides, quality of service capabilities, security mechanism, operating cost or professional ability.
10, a kind of portable terminal is characterized in that, described portable terminal comprises:
Network information acquiring unit is used to obtain the information of ambient network, and described ambient network is the network of different access technologies type;
The network list generation unit is used for generating network list according to the information of described ambient network;
Scanning element is used for scanning the network of described network list, obtains to be scanned the signal quality information of network; With
The network selecting unit is used for selecting the network in the described network list to adhere to according to described network list and the described signal quality information that is scanned network.
11, portable terminal according to claim 10 is characterized in that, described network list generation unit comprises:
First sequencing unit is used for according to the policy information that presets and the information of described ambient network ambient network being carried out prioritization.
12, portable terminal according to claim 11 is characterized in that,
Described scanning element is further used for: scan each network in the described network list, obtain the signal quality information of all-network in the described network list;
Described network selecting unit further comprises:
First recognition unit is used for the network that the signal quality information identification signal quality according to described network list all-network meets the demands; With
The first network selecting subelement is used for the network that meets the demands at the signal quality that described first recognition unit identifies, selects network to adhere to according to priority.
13, portable terminal according to claim 11 is characterized in that,
Described scanning element is further used for: scan network in the described network list according to priority orders, and obtain the current signal quality information that is scanned network;
Described network selecting unit further comprises:
Second recognition unit is used for discerning the described current signal quality that is scanned network according to the described current signal quality information that is scanned network, obtains recognition result; With
Command unit, be used for when described recognition result be that the current signal quality that is scanned network is when meeting the demands, instruct described portable terminal to select the described current network that is scanned to adhere to, when described recognition result is the current signal quality that is scanned network when not meeting the demands, instruct described scanning element to scan the network of next priority.
14, portable terminal according to claim 10 is characterized in that,
Described network selecting unit further comprises:
The 3rd recognition unit is used for the network that meets the demands according to the described signal quality information identification signal quality that is scanned network;
Second sequencing unit is used for the network based policy information that presets that described signal quality is met the demands and the information of described ambient network and carries out prioritization; With
The second network selecting subelement is used for selecting network to adhere to according to the prioritization of described second sequencing unit.
15, according to the arbitrary described portable terminal of claim 10-14, it is characterized in that the information of described ambient network comprises: the data rate that network provides, quality of service capabilities, security mechanism, operating cost or professional ability.
16, a kind of communication system is characterized in that, described communication system comprises:
Portable terminal, be used to obtain the information of ambient network, and generate network list according to the information of described ambient network, scan the network in the described network list, acquisition is scanned the signal quality information of network, according to described network list and the described signal quality information that is scanned network, in described network list, select network to adhere to; With
The media-independent server is used to store and provide the information of described ambient network;
Described ambient network is the network of different access technologies type.
According to the described communication system of claim 16, it is characterized in that 17, the information of described ambient network comprises: the data rate that network provides, quality of service capabilities, security mechanism, operating cost or professional ability.
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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6836471B2 (en) * 2001-02-02 2004-12-28 Nokia Mobile Phones Ltd. Method and system for inter-operator handover between WCDMA and GSM
CN100499913C (en) * 2004-05-27 2009-06-10 华为技术有限公司 Method for selecting network automatically of a multi-mode terminal
EP1638357B1 (en) * 2004-09-15 2007-05-02 Research In Motion Limited Handheld electronic device including preferred network selection, and associated method
KR100643763B1 (en) * 2005-02-17 2006-11-10 삼성전자주식회사 Mobile node for discovering neibor network in the heterogeneous network environment, and method thereof
KR100891915B1 (en) * 2005-11-09 2009-04-08 삼성전자주식회사 Apparatus and method for composing neighbor node list in a multi-hop relay broadband wireless access communication system
CN100391188C (en) * 2006-01-24 2008-05-28 华为技术有限公司 Method for constructing network topology

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