CN100401821C - Carrier search methods and related devices - Google Patents
Carrier search methods and related devices Download PDFInfo
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- CN100401821C CN100401821C CNB2006100577033A CN200610057703A CN100401821C CN 100401821 C CN100401821 C CN 100401821C CN B2006100577033 A CNB2006100577033 A CN B2006100577033A CN 200610057703 A CN200610057703 A CN 200610057703A CN 100401821 C CN100401821 C CN 100401821C
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Abstract
Carrier search methods. Band use information is provided in a mobile station. The band use information comprises at least one identification and at least one supported band corresponding to the identification. An operation requesting a carrier search is received, and carriers are searched for from the band if the operation corresponds to the identification.
Description
Technical field
The invention relates to telecommunication management, and be particularly to a kind of carrier search methods and relevant apparatus thereof.
Background technology
In GSM (global system for mobile communications), for many purposes, travelling carriage (Mobile Station) must be searched all radio frequency channels (RFchannel) in operational frequency bands (band) (frequency band that travelling carriage is supported).These purposes are included in PLMN (land mobile communication network network) selection, normal cellular (cell) selection after the start, the land mobile communication network network selection that breaks away from coverage, manually land mobile communication network network search, HPLMN (Home PLMN HPLMN network) search etc.
In the specification of ETSI (ETSI), some information that provided by network can be provided travelling carriage, quicken the program of honeycomb selection as the BA_RANGE of BCCH (broadcasting control channel) inventory information or land mobile communication network network.Yet travelling carriage still can't avoid carrying out the carrier search of full range band when carrying out the honeycomb selection.For a multifrequency travelling carriage, the radio frequency signals that reads on the frequency band that the GSM related service do not use is to need to consume excrescent electric power.In addition, if the frequency band of a travelling carriage support is with a specific protocol, (demal multitask access) is foundation as CDMA, and arround when some base stations that use this agreement are arranged, travelling carriage will be wasted electric power with the identification bcch carrier because of search frequency correction burst (frequencycorrection burst) in frequency band.It should be noted that gsm system is an example of the present invention, be not limited to this, the present invention can be used in GPRS (whole packet radio), EDGE (data rate is strengthened in the GSM development) and other system.
Summary of the invention
The object of the present invention is to provide a kind of carrier search methods and relevant apparatus thereof.
Carrier search methods of the present invention at first, provides frequency band to use information in a travelling carriage.Frequency band use information comprises the frequency band of at least one support of at least one identification data and corresponding identification data.Reception requires the operation of carrier search.When if operation is corresponding this identification data, frequency band is searched carrier wave thus.
Carrier search methods of the present invention at first, provides frequency band to use information in a travelling carriage.Frequency band use information comprises before at least one identification data and the travelling carriage at least one radio frequency channel of (camp on) in succession.Reception requires the operation of carrier search.When if operation is corresponding this identification data, search carrier wave by the frequency band that comprises this radio frequency channel.
Carrier search methods of the present invention at first, provides frequency band to use information in a travelling carriage.Frequency band use information comprises the frequency band of at least one support of at least one identification data and corresponding identification data.Reception requires the operation of carrier search.Judge this whether set operation of operation.If when if operation is corresponding this identification data, frequency band is searched carrier wave thus.If not, by searching carrier wave at least one frequency band at least one frequency band of travelling carriage support.
Carrier search methods of the present invention at first, provides frequency band to use information in a travelling carriage.Frequency band use information comprises before at least one identification data and the travelling carriage at least one radio frequency channel in succession.Reception requires the operation of carrier search.Judge this whether set operation of operation.If, search carrier wave by the frequency band that comprises this radio frequency channel when if operation is corresponding this identification data.If not, by searching carrier wave at least one frequency band at least one frequency band of travelling carriage support.
Carrier search methods of the present invention at first, provides frequency band to use information in a travelling carriage.Frequency band use information comprises the frequency band of at least one support of at least one identification data and corresponding identification data.Reception requires the operation of carrier search.When if operation is corresponding this identification data, frequency band is searched carrier wave thus.Travelling carriage is a mobile network in succession, and by mobile network's receiving channels information.Judge whether corresponding this identification data of channel information.If, add with as the frequency band of being supported by at least one frequency band that mobile network in the channel information is supported corresponding to the identification data, use information channel information is added to frequency band.
Said method of the present invention can be included in tangible media by program code means.When program code was loaded and carries out by machine, machine became in order to carry out device of the present invention.
Description of drawings
Fig. 1 is that a schematic diagram shows the device according to the embodiment of the invention.
Fig. 2 is that a schematic diagram shows that the frequency band according to the embodiment of the invention uses information format.
Fig. 3 is that a schematic diagram shows that the frequency band according to another embodiment of the present invention uses information format.
Fig. 4 is that a flow chart shows that the frequency band according to the embodiment of the invention uses information maintenance method.
Fig. 5 is that a flow chart shows whether want implementation basis frequency band use information to carry out the method for carrier search according to the decision operation of the embodiment of the invention.
Fig. 6 is that a flow chart shows the carrier search methods according to the embodiment of the invention.
Fig. 7 is that a schematic diagram shows that the frequency band according to another embodiment of the present invention uses information format.
Fig. 8 A is that a schematic diagram shows the position according to the derivation indication of the embodiment of the invention.
Fig. 8 B is that a schematic diagram shows the derivation frequency band table according to the embodiment of the invention.
The 100-travelling carriage;
The 110-storage device;
The 120-processing unit;
130,140,150-base station;
The 210-Mobile Country Code MCC;
The 220-Mobile Network Code;
The indication of 230-frequency band;
S410, S420 ..., the S450-operating procedure;
S510, S520 ..., the S540-operating procedure;
S610, S620 ..., the S650-operating procedure;
The 700-byte N;
Preceding four of 710-byte N;
Back four of 720-byte N;
800,810-form;
811-first field;
812-second field.
Embodiment
Fig. 1 is that a schematic diagram shows the device according to the embodiment of the invention.
Device according to the embodiment of the invention can be a mancarried device, as travelling carriage 100.Carry out carrier search in the frequency band of travelling carriage 100 in operational frequency bands, and be wirelessly connected to base station (BS 130,140 and 150).Operational frequency bands is the frequency band that travelling carriage 100 is supported.For instance, if a multifrequency travelling carriage 100 is supported frequency band 900,1800 and 1900, just then operational frequency bands is frequency band 900,1800 and 1900.It should be noted that a travelling carriage can set the frequency band of hobby (preferred band).If set the hobby frequency band, then operational frequency bands is travelling carriage frequency band of supporting and a lap of liking frequency band.For instance, if a multifrequency travelling carriage 100 is supported frequency bands 900,1800 and 1900, and to like band setting be frequency band 900 and 1800, and then operational frequency bands is frequency band 900 and 1800.
Travelling carriage 100 comprises a storage device 110 and a processing unit 120.Processing unit 120 is carried out carrier search of the present invention.The frequency band that storage device 110 stores in order to carrier search uses information.It can be based on the mobile network or based on country that frequency band uses information, respectively as shown in Fig. 3 and Fig. 4.In Fig. 2, the mobile network comprises three field MCC (Mobile Country Code MCC) 210, MNC (Mobile Network Code) 220, indicates (indicator) 230 with frequency band for the information format on basis.MCC 210 can be an identification data with the combination of MNC 220, and it is used for a specific mobile network of a country of identification.The frequency band of the corresponding identification data of frequency band indication 230 records.Mobile network is the corresponding specific mobile network's frequency band of record in the recording of information on basis.In Fig. 3, country comprises two field MCC 210 and frequency band indication 230 for the information format on basis.MCC 210 is identification data, and it is used for particular country of identification.The frequency band of the corresponding identification data of frequency band indication 230 records.Country is the frequency band of the corresponding particular country of record in the recording of information on basis.In certain embodiments, MCC 210 is that 3, MNC 220 are that 2 and frequency band indication 230 are 4 bitmap (bi tmap), and it is in order to represent frequency band 850,900,1800 and 1900 respectively.It should be noted that frequency band use information is not limited to aforementioned form.
In certain embodiments, can provide a kind of frequency band of saving internal memory to use the question blank of information.In this form, All Countries or mobile network's known frequency bands uses information all to be stored in the travelling carriage in advance in the mode of saving internal memory.In this form, store the frequency band indication, and MCC/MNC is the index of inquiry frequency band corresponding indication.In one 4 example frequently, use information can use the bitmap of 500 bytes for the frequency band of 3 MCC (000～999), as shown in Figure 7.If receive MCC is 2N, and the frequency band that then is stored in preceding 4 positions (710) of byte N (700) uses information to be retrieved.If receive MCC is 2N+1, and the frequency band that then is stored in back 4 positions (720) of byte N (700) uses information to be retrieved.It should be noted that the form of MNC is similar to the form of MCC, in this omission.In these embodiments, owing to need not store the data of MCC, therefore can save memory headroom.Because MCC/MNC is used as index and obtains frequency band use information, it is very simple that frequency band uses the access of information.In addition, because frequency band uses information at the beginning just in the charger, will reduce the mistake that study causes.Frequency band use information study will in after discuss.
Frequency band uses information directly to obtain and to derive from the channel information that receives from base station and obtains.Channel information comprises that country and mobile network's identification code, channel are described, the data such as BCCH inventory of honeycomb.In the running that obtains frequency band use information, a specific mobile network or the available band of country (can be the frequency band that all or part are supported) can be directly by finding in the channel information.It should be noted that frequency band uses information to obtain in advance, or when carrier search, obtain again.For instance, use information when when base station receives channel information, calculating frequency band immediately.Perhaps, channel information can be stored, and when needs, as when the carrier search, calculates and obtains frequency band and use information.In the present invention, frequency band use information can add up.Frequency band uses the situation that adds up of information to illustrate in Fig. 4.
Use in the running of information at the derivation frequency band, in certain embodiments, if a specific mobile network or country support a frequency band, then another special frequency band also can be supported simultaneously.For instance, if support frequency band 900, then frequency band 1800 also can be supported.If support frequency band 850, then frequency band 1900 also can be supported.In derivation frequency band use information, can provide relevant supplementary.With 1000 countries (MCC) is example, can provide 125 bytes (1000 s') form 800, shown in Fig. 8 A.In addition, also provide a form 810.Form 810 comprises a plurality of first fields 811 and corresponding second field 812, shown in Fig. 8 B.MCC can work as to index and finds a specific indication (indicator), and it represents whether this MCC needs the frequency band of deriving.In form 800, " 1 " expression needs the derivation frequency band, and " 0 " represents to derive frequency band.If receive the frequency band of a MCC and its support, then can check its indication, and obtain the frequency band of derivation according to the frequency band of supporting by form 810 according to MCC.For instance, if receive the frequency band 900 of MCC 1 and its support, then can derive frequency band 1800 according to form 800 and 810.It should be noted that the only example among the embodiment for this reason of form 800 and 810.In practical operation, the value of each field can have different definition in the form 800.In certain embodiments, " 1 " is illustrated in and uses normal two frequency bands (900/1800 or 850/1900) in the corresponding country, and " 0 " represents that this country does not use normal two frequency bands, and it may use single frequency band or three frequency bands.In certain embodiments, " 0 " represents to use in this corresponding country single frequency band, and " 1 " is illustrated in and uses double frequency or a plurality of frequency band in the corresponding country.In these embodiments, when the information that stores comprised a frequency band and should country not only uses single frequency band, the frequency band that then is used for restricted band scanning can be expanded.
In certain embodiments, the frequency band that frequency band indication 230 record one specific mobile networks or country support, it includes but not limited to the frequency band that a travelling carriage is crossed before in succession.It should be noted that the frequency band of crossing in succession before the travelling carriage can be analyzed by the radio frequency channel that travelling carriage is crossed in succession obtains.In addition, it should be noted that it can be when frequency band uses information to be obtained that frequency band uses the derivation of information, or when carrier search.If it is to carry out when using information to be obtained when frequency band that frequency band uses the derivation of information, and the frequency band of record is the frequency band that the mobile network supports in the frequency band indication, the frequency band of then deriving can be added to record (frequency band use information).When deriving, at first according to a specific MCC/MNC or MCC finds out a record.Judge whether this record includes only a frequency band, and judge whether use double frequency or multifrequency among this MCC/MNC or the MCC.If this record includes only a frequency band, and be to use double frequency or multifrequency among this MCC/MNC or the MCC, then derive.Otherwise, do not derive.
If it is to carry out when carrier search that frequency band uses the derivation of information, the frequency band of then deriving can not be added to record (frequency band use information).Similarly, when deriving, at first according to a specific MCC/MNC or MCC finds out a record.Judge whether this record includes only a frequency band, and judge whether use double frequency or multifrequency among this MCC/MNC or the MCC.If this record includes only a frequency band, and be to use double frequency or multifrequency among this MCC/MNC or the MCC, then derive.Otherwise, do not derive.
Fig. 4 is that a flow chart is to show that the frequency band according to the embodiment of the invention uses information maintenance method.
As step S410, a travelling carriage is the honeycomb to a mobile network the radio frequency channel in succession.As step S420, by mobile network's radio frequency channel receiving channels information.As step S430, judge the whether any identification data in the corresponding storage device of channel information.It should be noted that the identification data can be MCC/MNC or MCC.As previously mentioned, channel information comprises that country and mobile network's identification code, channel are described, the data such as BCCH inventory of honeycomb, and frequency band use information comprises MCC, MNC, indicates with frequency band.The judgement of step S430 with obtain the record that meets and can carry out according to MCC/MNC or MCC.If the wherein identification data (step S430 is) in the corresponding storage device of channel information, as step S440, the analyzed frequency band that comprises the radio frequency channel that finds of channel information, and the support frequency band that the frequency band that this finds is added up and is recorded as corresponding this identification data.It should be noted that a frequency band can comprise a plurality of radio frequency channels, and can know the frequency band that it is corresponding according to the radio frequency channel.If any one identification data in the not corresponding storage device of channel information (step S430 denys) as step S450, newly adds a notes record in storage device.This record comprises identification data and at least one frequency band corresponding.It should be noted that the frequency band that adds up can be the frequency band that mobile network or country are supported, it includes but not limited to present frequency band in succession.In addition, because memory headroom is limited, have only the frequency band use information record of specific quantity can be stored to storage device.In certain embodiments, if there is not the space to set up new record, old record is with deleted.For instance, the record that do not upgrade of maximum duration will be replaced by initiate record.
In certain embodiments, step S440 can be designed as with radio frequency channel in succession add, use information to become frequency band.In other words, frequency band use information comprises at least one radio frequency channel of crossing in succession before at least one identification data and the travelling carriage.Therefore, when receiving the operation that requires carrier search,, then search carrier wave by the frequency band that comprises these radio frequency channels if this operates a corresponding identification data.In other words, before searching carrier wave from the frequency band that comprises the radio frequency channel, the radio frequency channel in the frequency band use information can be analyzed the frequency band that obtains comprising this radio frequency channel earlier.
Carrier search is to be triggered by an operation.These operations can comprise PLMN selection, the normal cellular selection after the start, the PLMN selection that breaks away from coverage, manually PLMN search, HPLMN search etc.In addition, can determine whether that foundation frequency band use information is carried out carrier search to be applied in the specific operation according to different demands and situation.Whether Fig. 5 is that a flow chart shows the decision operation according to the embodiment of the invention, want implementation basis frequency band use information to carry out the method for carrier search with decision.As step S510, receive the operation that requires a carrier search.As step S520, judge for this operation whether want the implementation basis frequency band to use the carrier search of information according to the state of operational requirements and travelling carriage.For instance, according to frequency band use the carrier search of information can be implemented on that PLMN after the start selects, normal cellular is selected, the PLMN that breaks away from coverage selects and HPLMN searches etc.These operations can be made as set operation.In case when receiving operation, judge whether this operation belongs to the specific operation in the set operation.If then use the carrier search that uses information according to frequency band.It should be noted that set operation is not limited to aforementioned operation, any operation can be used the carrier search that uses information according to frequency band.If the implementation basis frequency band uses the carrier search (step S520 is) of information,, carry out the carrier search that uses information according to frequency band as step S530.If the implementation basis frequency band does not use the carrier search (step S520 denys) of information, as step S540, by searching carrier wave in the frequency band in the operational frequency bands.It should be noted that operational frequency bands is the frequency band that travelling carriage is supported.When if the frequency band of the hobby set is arranged in the travelling carriage, operational frequency bands is travelling carriage frequency band of supporting and a lap of liking frequency band.
Fig. 6 is that a flow chart shows the carrier search methods according to the embodiment of the invention.
As step S610, check that whether having any frequency band to use the pairing identification data of information is to be same as the associated identification data of an operation.According to different operations, the identification data can be Mobile Network Code or national code.Country is that basis or mobile network are to decide according to the purpose of operating for basic frequency band uses selecting for use of information.For instance, for HPLMN searched, it does not adopt country was the frequency band use information on basis, was the frequency band use information on basis but adopt the mobile network.
If do not have (step S610 denys), in step S650, search carrier wave in the frequency band from operational frequency bands.Operational frequency bands is the frequency band that travelling carriage is supported.When if the frequency band of the hobby set is arranged in the travelling carriage, operational frequency bands is travelling carriage frequency band of supporting and a lap of liking frequency band.If (step S610 is) arranged,, from frequency band use information, search carrier wave in the frequency band of corresponding identification data as step S620.As previously mentioned, can provide multiple practical operation method.In certain embodiments, frequency band uses information directly to obtain from the question blank of saving memory headroom.In certain embodiments, frequency band uses information to obtain from channel information and to derive.Frequency band uses information to obtain can be in receiving channels information or at carrier search the time.Similarly, frequency band uses information to derive can be in receiving channels information or at carrier search the time.
If frequency band use information does not have calculated in advance, before step S620, can calculate frequency band earlier and use information.In certain embodiments, frequency band use information comprises at least one radio frequency channel of crossing in succession before at least one identification data and the travelling carriage, rather than the frequency band of supporting.Therefore, before step S620, frequency band uses information must analyze and calculate the frequency band that obtains comprising in the frequency band use information this radio frequency channel earlier.
In addition, do not carry out in advance if frequency band is derived, then frequency band is derived and can be carried out when carrier search, and the frequency band of searching can comprise the frequency band of deriving.Frequency band can be the frequency band that a specific mobile network or country are supported, it includes but not limited to the frequency band that a travelling carriage is crossed before in succession.As previously mentioned, one travelling carriage is the honeycomb to the radio frequency channel in succession, and travelling carriage frequency band in succession be the affiliated frequency band of place radio frequency channel of the expression honeycomb that travelling carriage connected, it can be obtained by analyzing the radio frequency channel of being gone up in succession with calculating.If carrier search success (step S630 denys), travelling carriage is in succession to a mobile network, and process ends.If carrier search failure (step S630 is) as step S640, judges whether this operation needs to do another time search.Similarly, according to operational requirements and purpose, and the state of travelling carriage, can judge for this operation whether need to do another time search.For instance, the selection of the PLMN after the start, normal cellular are selected, the PLMN of disengaging coverage selects and HPLMN search etc. can need another time search.It should be noted that these operations are not limited thereto.(step S640 is) searched in another time if desired, as step S650, searches carrier wave in the frequency band from operational frequency bands.In certain embodiments, carrier search is carried out in the frequency band outside the frequency band that can search from operational frequency bands (frequency band of promptly not searching as yet) lining.If do not need (step S640 denys), process ends.In certain embodiments, if when frequency band is the frequency band of crossing in succession before the travelling carriage, specific identification data can be left in the basket, but searches carrier wave in all frequency bands of crossing in succession before the travelling carriage.
Method of the present invention, or specific kenel or its part, can be contained in tangible media with the kenel of program code, get (as embodied on computer readable) Storage Media as floppy disk, CD, hard disk or any other machine readable, wherein, when program code by machine, when loading and carrying out as computer, this machine becomes in order to participate in device of the present invention.Method and apparatus of the present invention also can be with the program code kenel by some transfer mediums, transmit as electric wire or cable, optical fiber or any transmission kenel, wherein, when program code by machine, when receiving, loading and carrying out as computer, this machine becomes in order to participate in device of the present invention.When in the practical operation of general service processor, the program code associative processor provides a class of operation to be similar to the unique apparatus of using particular logic circuit.
Above-mentioned embodiment only is used to illustrate the present invention, and non-limiting the present invention.
Claims (21)
1. a carrier search methods be applicable to a travelling carriage, and this travelling carriage is supported at least one frequency band, it is characterized in that, comprises the following steps:
Provide frequency band to use information in described travelling carriage, wherein this frequency band use information comprises the frequency band of at least one identification data and at least one support that mutually should the identification data;
Reception requires an operation of a carrier search;
If when described operation is corresponding described identification data, search carrier wave from described frequency band;
One first form is provided, comprises a plurality of fields, each described field record one indication, expression frequency band that described identification data is supported that whether needs to derive, wherein said identification data is that described indication found out in an index;
One second form is provided, comprises a plurality of first fields and corresponding second field, the frequency band that the wherein frequency band of being supported of the corresponding described identification data of each described first field record, and described second field record is derived; And
According to described identification data and described first form and the second form described frequency band of deriving.
2. carrier search methods as claimed in claim 1 is characterized in that, described identification data is a corresponding mobile network.
3. carrier search methods as claimed in claim 1 is characterized in that, described identification data is a corresponding country.
4. carrier search methods as claimed in claim 1 is characterized in that, more comprises the following steps:
Described travelling carriage is in succession to a mobile network;
By described mobile network's receiving channels information; And
Described channel information is added to described frequency band uses information.
5. carrier search methods as claimed in claim 4 is characterized in that, more comprises the following steps:
Judge whether corresponding described identification data of described channel information; And
If at least one frequency band that described mobile network is supported is incorporated as the described frequency band of corresponding described identification data.
6. carrier search methods as claimed in claim 1 is characterized in that, more comprises if described carrier search when failure searched carrier wave in the frequency band from the frequency band of described travelling carriage support except the described frequency band of corresponding described identification data.
7. carrier search methods as claimed in claim 1, it is characterized in that, more comprise if having only a corresponding described identification data of frequency band and described identification data is not when using single frequency band, according to the derive frequency band of a specific support of described identification data and corresponding described frequency band.
8. a carrier search methods is applicable to a travelling carriage, it is characterized in that, comprises the following steps:
In described travelling carriage, provide frequency band to use information, wherein said frequency band use information to comprise at least one identification data and described travelling carriage in succession at least one radio frequency channel once before;
Reception requires an operation of a carrier search;
If when described operation is corresponding described identification data, search carrier wave from least one frequency band that comprises described radio frequency channel;
One first form is provided, comprises a plurality of fields, each described field record one indication, expression frequency band that described identification data is supported that whether needs to derive, wherein said identification data is that described indication found out in an index;
One second form is provided, comprises a plurality of first fields and corresponding second field, the frequency band that the wherein frequency band of being supported of the corresponding described identification data of each described first field record, and described second field record is derived; And
According to described identification data and described first form and the second form described frequency band of deriving.
9. carrier search methods as claimed in claim 8 is characterized in that, described identification data is a corresponding mobile network.
10. carrier search methods as claimed in claim 8 is characterized in that, described identification data is a corresponding country.
11. carrier search methods as claimed in claim 8 is characterized in that, more comprises the following steps:
Described travelling carriage is in succession to a mobile network;
From described mobile network's receiving channels information; And
Described channel information is added to described frequency band uses information.
12. carrier search methods as claimed in claim 11 is characterized in that, more comprises the following steps:
Judge whether corresponding described identification data of described channel information; And
If a present radio frequency channel is in succession added with the described radio frequency channel as corresponding described identification data.
13. a carrier search methods is applicable to a travelling carriage, wherein this travelling carriage is supported at least one frequency band, and the frequency band that this travelling carriage is supported comprises at least one subclass, it is characterized in that, this method comprises the following steps:
In described travelling carriage, provide frequency band to use information, wherein said frequency band use information comprises at least one identification data and frequency band corresponding at least one support of this identification data, and each described at least one subclass is made up of one of them the corresponding described at least one support frequency band of institute of described at least one identification data;
Reception requires an operation of a carrier search;
Judge a whether set operation of described operation;
If this operation is described set operation, then from the frequency band that one of them subclass comprised of described at least one subclass, search carrier wave;
If described operation is not described set operation, then from the frequency band that described travelling carriage is supported, search carrier wave;
One first form is provided, comprises a plurality of fields, each described field record one indication, expression frequency band that described identification data is supported that whether needs to derive, wherein said identification data is that described indication found out in an index;
One second form is provided, comprises a plurality of first fields and corresponding second field, the frequency band that the wherein frequency band of being supported of the corresponding described identification data of each described first field record, and described second field record is derived; And
According to described identification data and described first form and the second form described frequency band of deriving.
14. carrier search methods as claimed in claim 13, it is characterized in that described set operation comprises that the land mobile communication network network after the start is selected, normal cellular is selected, the land mobile communication network network of disengaging coverage is selected or the search of Home PLMN HPLMN network.
15. carrier search methods as claimed in claim 13 is characterized in that, other comprises:
If the described operation of travelling carriage is described set operation and described operation when being one of them of corresponding described at least one identification data, then from one of them the corresponding described at least one support frequency band of institute of described at least one identification data, search carrier wave; And
If described operation is not described set operation, then from least one frequency band that described travelling carriage is supported, search carrier wave.
16. a carrier search methods is applicable to a travelling carriage, it is characterized in that, comprises the following steps:
In described travelling carriage, provide frequency band to use information, wherein said frequency band use information to comprise at least one identification data and travelling carriage in succession at least one radio frequency channel once before;
Reception requires an operation of a carrier search;
Judge a whether set operation of described operation;
If described operation is described set operation,, search carrier wave from a frequency band that comprises described radio frequency channel if when described operation is corresponding described identification data;
If described operation is not described set operation, then search carrier wave at least one frequency band from least one frequency band of described travelling carriage support;
One first form is provided, comprises a plurality of fields, each described field record one indication, expression frequency band that described identification data is supported that whether needs to derive, wherein said identification data is that described indication found out in an index;
One second form is provided, comprises a plurality of first fields and corresponding second field, the frequency band that the wherein frequency band of being supported of the corresponding described identification data of each described first field record, and described second field record is derived; And
According to described identification data and described first form and the second form described frequency band of deriving.
17. carrier search methods as claimed in claim 16, it is characterized in that described set operation comprises that the land mobile communication network network after the start is selected, normal cellular is selected, the land mobile communication network network of disengaging coverage is selected or the search of Home PLMN HPLMN network.
18. a carrier search device be applicable to a travelling carriage, and this travelling carriage is supported at least one frequency band, it is characterized in that, comprising:
One first device uses information, wherein said frequency band use information to comprise the frequency band of at least one identification data and at least one support that mutually should the identification data in order to frequency band to be provided in described travelling carriage;
One second device requires an operation of a carrier search in order to reception;
If one the 3rd device when being corresponding described identification data in order to described operation, is searched carrier wave by described frequency band;
One the 4th device provides one first form, comprises a plurality of fields, each described field record one indication, expression frequency band that described identification data is supported that whether needs to derive, and wherein said identification data is that described indication found out in an index;
One the 5th device provides one second form, comprises a plurality of first fields and corresponding second field, the frequency band that the wherein frequency band of being supported of the corresponding described identification data of each described first field record, and described second field record is derived; And
One the 6th device is in order to the described frequency band of deriving according to described identification data and described first form and second form.
19. a carrier search device be applicable to a travelling carriage, and this travelling carriage is supported at least one frequency band, it is characterized in that, comprising:
One first device uses information, wherein said frequency band use information to comprise at least one identification data and described travelling carriage in succession at least one radio frequency channel once before in order to frequency band to be provided in described travelling carriage;
One second device requires an operation of a carrier search in order to reception;
If one the 3rd device when being corresponding described identification data in order to described operation, is searched carrier wave by a frequency band that comprises described radio frequency channel;
One the 4th device provides one first form, comprises a plurality of fields, each described field record one indication, expression frequency band that described identification data is supported that whether needs to derive, and wherein said identification data is that described indication found out in an index;
One the 5th device provides one second form, comprises a plurality of first fields and corresponding second field, the frequency band that the wherein frequency band of being supported of the corresponding described identification data of each described first field record, and described second field record is derived; And
One the 6th device is in order to the described frequency band of deriving according to described identification data and described first form and second form.
20. a carrier search device be applicable to a travelling carriage, and this travelling carriage is supported at least one frequency band, it is characterized in that, comprising:
One first device uses information in order to frequency band to be provided in described travelling carriage, wherein said frequency band use information comprises the frequency band of at least one support of at least one identification data and corresponding identification data;
One second device requires an operation of a carrier search in order to reception;
One the 3rd device, in order to judge a whether set operation of described operation, if described operation is described set operation, and if described operation when being corresponding described identification data, then the 3rd device is searched carrier wave from described frequency band; And if described operation is not described set operation, then search carrier wave at least one frequency band of the 3rd device from least one frequency band of described travelling carriage support;
One the 4th device provides one first form, comprises a plurality of fields, each described field record one indication, expression frequency band that described identification data is supported that whether needs to derive, and wherein said identification data is that described indication found out in an index;
One the 5th device provides one second form, comprises a plurality of first fields and corresponding second field, the frequency band that the wherein frequency band of being supported of the corresponding described identification data of each described first field record, and described second field record is derived; And
One the 6th device is in order to the described frequency band of deriving according to described identification data and described first form and second form.
21. a carrier search device be applicable to a travelling carriage, and this travelling carriage is supported at least one frequency band, it is characterized in that, comprising:
One first device uses information, wherein said frequency band use information to comprise at least one identification data and travelling carriage in succession at least one radio frequency channel once before in order to frequency band to be provided in described travelling carriage;
One second device requires an operation of a carrier search in order to reception;
One the 3rd device, in order to judge a whether set operation of described operation, if described operation is described set operation, and if described operation when being corresponding described identification data, then the 3rd device is searched carrier wave from least one frequency band that comprises described radio frequency channel; And if described operation is not described set operation, then search carrier wave at least one frequency band of the 3rd device from least one frequency band of described travelling carriage support;
One the 4th device provides one first form, comprises a plurality of fields, each described field record one indication, expression frequency band that described identification data is supported that whether needs to derive, and wherein said identification data is that described indication found out in an index;
One the 5th device provides one second form, comprises a plurality of first fields and corresponding second field, the frequency band that the wherein frequency band of being supported of the corresponding described identification data of each described first field record, and described second field record is derived; And
One the 6th device is in order to the described frequency band of deriving according to described identification data and described first form and second form.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US65627705P | 2005-02-25 | 2005-02-25 | |
| US60/656,277 | 2005-02-25 | ||
| US11/159,849 | 2005-06-23 |
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| CN1826004A CN1826004A (en) | 2006-08-30 |
| CN100401821C true CN100401821C (en) | 2008-07-09 |
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| CNB2006100577033A Expired - Fee Related CN100401821C (en) | 2005-02-25 | 2006-02-23 | Carrier search methods and related devices |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101483905B (en) * | 2008-01-09 | 2010-12-15 | 华为技术有限公司 | Network message processing method and system, network searching method, server and terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1438780A (en) * | 2002-02-14 | 2003-08-27 | 三菱电机株式会社 | Frequency selection method and receiver |
| US20030232631A1 (en) * | 2002-06-14 | 2003-12-18 | Nec Corporation | Portable telephone and communication method therefor |
| WO2004068733A1 (en) * | 2003-01-30 | 2004-08-12 | Matsushita Electric Industrial Co., Ltd. | Radio communication device compatible with multi-frequency band |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1438780A (en) * | 2002-02-14 | 2003-08-27 | 三菱电机株式会社 | Frequency selection method and receiver |
| US20030232631A1 (en) * | 2002-06-14 | 2003-12-18 | Nec Corporation | Portable telephone and communication method therefor |
| CN1469676A (en) * | 2002-06-14 | 2004-01-21 | �ձ�������ʽ���� | Portable telephone and communication method used for the same portable telephone |
| WO2004068733A1 (en) * | 2003-01-30 | 2004-08-12 | Matsushita Electric Industrial Co., Ltd. | Radio communication device compatible with multi-frequency band |
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| CN1826004A (en) | 2006-08-30 |
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