CN102421120A - Multi-card multi-standby communication terminal and neighbor list maintaining method and device thereof - Google Patents
Multi-card multi-standby communication terminal and neighbor list maintaining method and device thereof Download PDFInfo
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Abstract
The invention discloses a multi-card multi-standby communication terminal and a neighbor list maintaining method and device thereof. The neighbor list maintaining method comprises the steps of: when multiple cards residue in respective cells, extracting frequency point information in a neighbor list of at least one card; generating a frequency point list based on the extracted frequency point information; respectively measuring each frequency point in the frequency point list, finding out cells with signal strengths in former N strengths or cells with receiving signal code power of more than a preset threshold in all cells on each frequency point, and storing cell scramblers of the found cells and signal strength measurement values into the frequency point list, wherein N is a natural number; and synchronizing the frequency point list with the neighbor list of the at least one card. The neighbor list maintaining method can realize efficient management and maintenance of a plurality of neighbor lists, thus maintenance complexity and maintenance cost of the neighbor lists are reduced, and the multi-card multi-standby communication terminal obtains higher stability and better performance.
Description
Technical field
The present invention relates to the communications field, particularly a kind of multi-card multi-standby communication terminal and Neighboring Cell List maintaining method and device.
Background technology
Along with the develop rapidly of mechanics of communication, interpersonal information interchange is also more frequent, and a mobile phone can't satisfy people's demand, especially is engaged in the people of type work such as sale, management, and two or three of needs even more mobile phones could be satisfied the demand reluctantly sometimes.And carry so many mobile phones is very much inconvenience, therefore, has occurred the multi-card multi-standby mobile phone on the market.This mobile phone makes the user only need a mobile phone carrier; But a plurality of subscriber identification module (SIM can be installed; Subscriber Identity Module) or global subscriber identification module (USIM; Universal SubscriberIdentity Module) card is compared and is carried three mobile phones and obviously made things convenient for a lot.
At present; Along with popularizing gradually of 3G (Third Generation) Moblie (3G) technology; Based on Time Division-Synchronous Code Division Multiple Access (TD-SCDMA; Time Division-Synchronous Code Division Multiple Access) or WCDMA (WCDMA; Wideband Code Division Multiple Access) the 3G business of technology is carried out in the whole nation, and increasing people brings into use 3G mobile, but also the mobile phone of TD-SCDMA multi-card multi-standby system and WCDMA multi-card multi-standby system occurred supporting.
In the GSM of TD-SCDMA or WCDMA standard (pattern); Mobile communication terminal (for example mobile phone) need be measured adjacent sub-district; And measurement result deposited in (Neighboring Cell List is configured by network side at first in the Neighboring Cell List; Mobile communication terminal is brought in constant renewal in through drive test and is safeguarded), thus realize functions such as cell selecting/gravity treatment, path loss calculation.Cell measurement of the prior art mainly is benchmark with the sub-district, and this is when single deck tape-recorder or sub-district number are insufficient, and implementation complexity is not high; And in the multi-card multi-standby system, the sub-district number is multiple to be increased, again with this strategy maintenance neighborlist; Not only expense is big, and control logic also can be very complicated.Be how example (having similar implementation under the WCDMA standard) explains in the prior art maintenance neighborlist with TD-SCDMA double-card dual-standby communication terminal below.
Two cards of TD-SCDMA double-card dual-standby communication terminal generally reside in different TD-SCDMA sub-districts respectively, and just having two Neighboring Cell List this moment needs to safeguard.Fig. 1 is the sketch map of TD-SCDMA double-card dual-standby communication terminal maintenance neighborlist in the prior art.As shown in Figure 1; Neighboring Cell List 101a and Neighboring Cell List 101b; Two Neighboring Cell List all can propose measurement request, need transfer to which measurement request of the concrete response of arbitration modules 102 ruling, and arrange measurement module 103 to carry out cell measurement behind the allocating and measuring frequency; Measurement module 103 obtains after the measurement result it being reported arbitration modules 102, and arbitration modules 102 deposits said measurement result in corresponding Neighboring Cell List (that Neighboring Cell List of response measurement request).
Above-mentioned is the method for benchmark maintenance neighborlist with the sub-district, when arranging cell measurement and handling measurement result, all need pass through arbitration modules 102, and under a lot of situation of sub-district number, the complexity of arbitration will be very high, be not easy to the management of Neighboring Cell List.Even under the situation that has two Neighboring Cell List to safeguard; Adding the adjacent sub-district that together need measure will very many (can reach 72 adjacent sub-districts at most) in theory; Say nothing of the situation that two above Neighboring Cell List need be safeguarded, be difficult to realize therefore that the high-efficiency management maintenance neighborlist obtains stability and performance to guarantee the double-card dual-standby communication terminal.
Safeguard about Neighboring Cell List in the TD-SCDMA system, but application reference number is the one Chinese patent application of 200910136745.X that this patent application discloses the method for optimizing neighbor list in a kind of TD-SCDMA system.
Summary of the invention
The problem that the present invention solves is that the arbitration expense is big when TD-SCDMA or WCDMA multi-card multi-standby communication terminal maintenance neighborlist in the prior art, control logic is complicated, is difficult to realize that the high-efficiency management maintenance neighborlist obtains higher stability and performance to guarantee the multi-card multi-standby communication terminal.
For addressing the above problem, the present invention provides a kind of Neighboring Cell List maintaining method of multi-card multi-standby communication terminal, comprising:
After many cards reside in separately the sub-district, extract the frequency point information in the Neighboring Cell List of at least one card;
Generate the frequency tabulation based on the said frequency point information of extracting;
Respectively each frequency in the said frequency tabulation is measured; Strong or the received signal code power of N is greater than the sub-district of predetermined threshold value before finding out signal strength signal intensity in all sub-districts on each frequency and being in, and deposits the cell scrambling and the signal strength measurement of the sub-district of finding out in said frequency tabulation; Wherein, N is a natural number;
The Neighboring Cell List of synchronous said frequency tabulation and at least one card.
Optional, after many cards resided in separately the sub-district, the frequency point information of extraction was the frequency point information in all Neighboring Cell List; Carry out synchronous all Neighboring Cell List that are with said frequency tabulation.
Optional, comprised also before generating said frequency tabulation the identical frequency in the said frequency point information is merged that the frequency point information after said frequency tabulation is based on identical frequency merged generates.
Optional; Saidly respectively each frequency in the tabulation of said frequency is measured; The strong sub-district of N before finding out in all sub-districts on each frequency signal strength signal intensity and being in, and deposit the cell scrambling of the sub-district of finding out and signal strength measurement in said frequency tabulation and comprise:
From said frequency tabulation, choosing a frequency measures;
Receive the data of this frequency zero time slot and descending pilot frequency time slot;
Based on said data this frequency is carried out blind Detecting, record all sub-districts on this frequency;
All sub-districts on this frequency that traversal records; The strong sub-district of N before choosing in all sub-districts that record received signal code power and belonging to signal strength signal intensity and be in greater than predetermined threshold value and said sub-district deposits the cell scrambling and the signal strength measurement of the sub-district of choosing in said frequency tabulation;
Repeat above-mentioned steps, until measuring all frequencies.
Optional, saidly this frequency is carried out blind Detecting based on said data, all sub-districts that record on this frequency comprise: the observed time difference that detects existing sub-district on this frequency zero time slot and each sub-district.
Optional, said blind Detecting is set to periodically start.
Optional, in the cycle during said periodicity starts, when making a phone call, the said cycle is 200 milliseconds of * A, and when standby, the said cycle is 5 milliseconds of * A, and A is by the performance decision of particular hardware.
Optional, behind all sub-districts on this frequency that traversal records, with big or small descending be arranged in order of all sub-districts according to its signal strength measurement.
Optional, said predetermined threshold value is more than or equal to-100dbm.
Optional, said synchronous said frequency tabulation comprises with the Neighboring Cell List of at least one card: the Neighboring Cell List of more said frequency tabulation and at least one card,
To the sub-district that all exists in the tabulation of said frequency and the Neighboring Cell List, the signal strength measurement of this sub-district during said frequency tabulated is updated in the corresponding Neighboring Cell List;
Be not present in the sub-district in the Neighboring Cell List to being present in the said frequency tabulation, continue said sub-district is remained in the said frequency tabulation;
Be present in the sub-district in the Neighboring Cell List in the tabulation of said frequency to not being present in, the signal strength measurement of this sub-district is saved as 0 in corresponding Neighboring Cell List.
Optional; Said synchronous said frequency tabulation comprises with the Neighboring Cell List of at least one card: set synchronizing cycle; After arriving said synchronizing cycle; The Neighboring Cell List of more said frequency tabulation and at least one card upgrades corresponding Neighboring Cell List according to the signal strength measurement of each sub-district in the said frequency tabulation.
Optional, N≤6.
For addressing the above problem, the present invention also provides a kind of Neighboring Cell List attending device of multi-card multi-standby communication terminal, comprising:
The frequency extraction unit is used for after many cards reside in separately the sub-district, extracts the frequency point information in the Neighboring Cell List of at least one card;
Frequency tabulation generation unit is used for generating the frequency tabulation based on the said frequency point information that said frequency extraction unit extracts;
Measuring unit; Be used for respectively each frequency of said frequency tabulation being measured; Strong or the received signal code power of N is greater than the sub-district of predetermined threshold value before finding out signal strength signal intensity in all sub-districts on each frequency and being in, and deposits the cell scrambling and the signal strength measurement of the sub-district of finding out in said frequency tabulation; Wherein, N is a natural number;
Lock unit is used for after said measuring unit is accomplished the measurement of each frequency that said frequency is tabulated, the Neighboring Cell List of synchronous said frequency tabulation and at least one card.
Optional, the frequency point information that said frequency extraction unit extracts is the frequency point information in all Neighboring Cell List; The synchronous said frequency tabulation of said lock unit and all Neighboring Cell List.
Optional, said Neighboring Cell List attending device also comprises the frequency merge cells, is used for generating said frequency tabulation at said frequency tabulation generation unit and before the identical frequency of said frequency point information is merged; Frequency point information after the tabulation of said frequency is based on identical frequency merged generates.
Optional; Said measuring unit is measured each frequency in the said frequency tabulation respectively; The strong sub-district of N before finding out in all sub-districts on each frequency signal strength signal intensity and being in, and deposit the cell scrambling of the sub-district of finding out and signal strength measurement in said frequency tabulation and comprise:
From said frequency tabulation, choosing a frequency measures;
Receive the data of this frequency zero time slot and descending pilot frequency time slot;
Based on said data this frequency is carried out blind Detecting, record all sub-districts on this frequency;
All sub-districts on this frequency that traversal records; The strong sub-district of N before choosing in all sub-districts that record received signal code power and belonging to signal strength signal intensity and be in greater than predetermined threshold value and said sub-district deposits the cell scrambling and the signal strength measurement of the sub-district of choosing in said frequency tabulation;
Repeat the aforesaid operations process, until measuring all frequencies.
Optional, said measuring unit comprises the blind Detecting control unit, is used to control the periodicity startup of said blind Detecting.
Optional, said measuring unit comprises sequencing unit, behind all sub-districts on this frequency that is used for recording in traversal, with big or small descending be arranged in order of all sub-districts according to its signal strength measurement.
Optional, the synchronous said frequency tabulation of said lock unit comprises with the Neighboring Cell List of at least one card: the Neighboring Cell List of more said frequency tabulation and at least one card,
To the sub-district that all exists in the tabulation of said frequency and the Neighboring Cell List, the signal strength measurement of this sub-district during said frequency tabulated is updated in the corresponding Neighboring Cell List;
Be not present in the sub-district in the Neighboring Cell List to being present in the said frequency tabulation, continue said sub-district is remained in the said frequency tabulation;
Be present in the sub-district in the Neighboring Cell List in the tabulation of said frequency to not being present in, the signal strength measurement of this sub-district is saved as 0 in corresponding Neighboring Cell List.
Optional; Said Neighboring Cell List attending device also comprises synchronous control unit; Be used to set synchronizing cycle; The Neighboring Cell List of more said frequency tabulation of the said lock unit of control and at least one card after arriving said synchronizing cycle upgrades corresponding Neighboring Cell List according to the signal strength measurement of each sub-district in the said frequency tabulation.
For addressing the above problem, the present invention also provides a kind of multi-card multi-standby communication terminal that comprises above-mentioned Neighboring Cell List attending device.
Optional, said multi-card multi-standby communication terminal is TD-SCDMA or WCDMA multi-card multi-standby mobile phone.
Compared with prior art, the present technique scheme has the following advantages:
Frequency point information in the Neighboring Cell List of at least one card through extracting the multi-card multi-standby communication terminal is to generate the frequency tabulation; Respectively each frequency in the said frequency tabulation is measured again; Strong or the received signal code power of N is greater than the sub-district of predetermined threshold value before finding out signal strength signal intensity in all sub-districts on each frequency and being in; Deposit the cell scrambling and the measured value of the sub-district of finding out in said frequency tabulation; The Neighboring Cell List of synchronous said frequency tabulation and at least one card, thus realized high maintenance and management to Neighboring Cell List.
Through introducing said frequency tabulation; Many the arbitration expenses (can save arbitration modules) that Neighboring Cell List exists have been avoided; Reduced to many Neighboring Cell List safeguard complexity and maintenance cost, thereby can guarantee that the multi-card multi-standby communication terminal obtains higher stability and performance.
Description of drawings
Fig. 1 is the sketch map of TD-SCDMA double-card dual-standby communication terminal maintenance neighborlist in the prior art;
Fig. 2 is the schematic flow sheet of the Neighboring Cell List maintaining method of the multi-card multi-standby communication terminal that provides of embodiment of the present invention;
Fig. 3 is a schematic flow sheet of safeguarding the frequency tabulation;
Fig. 4 is by the schematic flow sheet of synchronizing band point tabulation synchronizing cycle with Neighboring Cell List;
Fig. 5 is the structural representation of the Neighboring Cell List attending device of the multi-card multi-standby communication terminal that provides of embodiment of the present invention;
Fig. 6 is the embodiment sketch map of the Neighboring Cell List attending device of the multi-card multi-standby communication terminal that provides of embodiment of the present invention.
Embodiment
The TD-SCDMA of prior art or WCDMA multi-card multi-standby communication terminal are when safeguarding many Neighboring Cell List, and the measurement request of every Neighboring Cell List proposition and the processing of measurement result all need be passed through arbitration modules, to the management maintenance inefficiency of Neighboring Cell List.The present technique scheme is tabulated to generate frequency through the frequency point information in the Neighboring Cell List that extracts at least one card; Respectively each frequency in the said frequency tabulation is measured again; Strong or the received signal code power of N is greater than the sub-district of predetermined threshold value before finding out signal strength signal intensity in all sub-districts on each frequency and being in; Deposit the cell scrambling and the signal strength measurement of said sub-district in said frequency tabulation, thereby synchronous said frequency tabulation can realize high maintenance and management to Neighboring Cell List with the Neighboring Cell List of at least one card.
For make above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, does detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
Set forth detail in the following description so that make much of the present invention.But the present invention can be different from alternate manner described here and implements with multiple, and those skilled in the art can do similar popularization under the situation of intension of the present invention.Therefore the present invention does not receive the restriction of following disclosed embodiment.
The schematic flow sheet of the Neighboring Cell List maintaining method of the multi-card multi-standby communication terminal that Fig. 2 embodiment of the present invention provides.Consult Fig. 2, said Neighboring Cell List maintaining method comprises:
Step S101 after many cards reside in separately the sub-district, extracts the frequency point information in the Neighboring Cell List of at least one card;
Step S102 generates the frequency tabulation based on the said frequency point information of extracting;
Step S103; Respectively each frequency in the said frequency tabulation is measured; Strong or the received signal code power of N is greater than the sub-district of predetermined threshold value before finding out signal strength signal intensity in all sub-districts on each frequency and being in, and deposits the cell scrambling and the signal strength measurement of the sub-district of finding out in said frequency tabulation; Wherein, N is a natural number;
Step S104, the Neighboring Cell List of synchronous said frequency tabulation and at least one card.
Below in conjunction with specific embodiment above-mentioned Neighboring Cell List maintaining method is elaborated.
In the present embodiment, said multi-card multi-standby communication terminal is specially TD-SCDMA multi-card multi-standby communication terminal, TD-SCDMA double card double standby mobile phone for example, and wherein, two cards are respectively usim card 1 and usim card 2.In other embodiments, many cards also can be SIM, and perhaps several cards are for usim card in addition for SIM for several cards, and in addition, said multi-card multi-standby communication terminal also can be WCDMA multi-card multi-standby communication terminal, for example the WCDMA double card double standby mobile phone.At first, these two cards are searched for proper cell respectively and are carried out resident.In the present embodiment hypothesis usim card 1 and usim card 2 resident sub-district be different sub-districts, so usim card 1 has Neighboring Cell List separately to need to safeguard with usim card 2, is respectively Neighboring Cell List 1 and Neighboring Cell List 2.Certainly, in other embodiments, also possibly reside in same sub-district with usim card 2 by usim card 1, so only need safeguard a Neighboring Cell List, this can be suitable for the described Neighboring Cell List maintaining method of embodiment of the present invention equally.
Consult Fig. 2, execution in step S101 after many cards reside in separately the sub-district, extracts the frequency point information in the Neighboring Cell List of at least one card.In the present embodiment; After many cards reside in separately the sub-district; The frequency point information of extracting is the frequency point information in all Neighboring Cell List; All Neighboring Cell List promptly refer to be stored in the Neighboring Cell List 1 and the Neighboring Cell List 2 that is stored in usim card 2 of usim card 1, and said frequency point information refers to the information of the frequency that in Neighboring Cell List 1 and Neighboring Cell List 2, is write down.In general, record a plurality of frequencies in Neighboring Cell List 1 and the Neighboring Cell List 2, for example frequency 1, frequency 2, frequency 3...... or the like; Certainly; Same frequency possibly all exist at two Neighboring Cell List, and therefore, possibly there is the situation of identical (repetition) in a plurality of frequencies in the said frequency point information.During practical implementation, after usim card 1 and usim card 2 all reside in sub-district separately, then from Neighboring Cell List 1 and Neighboring Cell List 2, extract said frequency point information.
In other embodiments, after many cards reside in separately the sub-district, extract frequency point information in the Neighboring Cell List of at least one card and also can be the frequency point information in the Neighboring Cell List that extracts the part card.For example: when said multi-card multi-standby communication terminal is specially TD-SCDMA three card tri-standby mobile phones; If three cards reside in different sub-districts respectively; Need to safeguard the Neighboring Cell List of three cards this moment; Can only extract the frequency point information in a card or the Neighboring Cell List of two cards, with the described Neighboring Cell List maintaining method of embodiment of the present invention corresponding Neighboring Cell List safeguarded, the Neighboring Cell List that other card is corresponding then can still be safeguarded according to prior art.
After extracting said frequency point information, execution in step S102 generates the frequency tabulation based on the said frequency point information of extracting.Particularly, the information of all frequencies that will from two Neighboring Cell List, extract is formed a frequency tabulation, and the maintenance work of Neighboring Cell List is mainly just tabulated based on frequency and accomplished.A big reason of introducing the frequency tabulation in the embodiment of the present invention is to compare the sub-district number, and the frequency number can lack a lot.Because TD-SCDMA is identical networking (WCDMA also is an identical networking); Neighboring Cell List is supported 10 frequencies at most on the agreement; Suppose that so two frequencies in the Neighboring Cell List do not have repetition; There are 20 frequencies at most in the frequency tabulation, and sub-district number (can reach 72 sub-districts at most) can be few a lot of relatively, are convenient to maintenance and management.
As stated; Possibly there is the situation of identical (repetition) in a plurality of frequencies in the said frequency point information; So just can frequency of (in a measuring period) duplicate measurements in the follow-up process that each frequency is measured; Cause the waste of resource, reduced the maintenance efficiency of Neighboring Cell List to a certain extent.Therefore, before generating said frequency tabulation, also comprise the step that the identical frequency in the said frequency point information is merged in the present embodiment, the frequency point information after said frequency tabulation is based on identical frequency merged generates.So just, can avoid existing the situation of duplicate measurements to take place, improve efficiency of measurement, reduce the power consumption of measuring certain frequency.
After generating said frequency tabulation; Execution in step S103; Respectively each frequency in the said frequency tabulation is measured; Strong or the received signal code power of N is greater than the sub-district of predetermined threshold value before finding out signal strength signal intensity in all sub-districts on each frequency and being in, and deposits the cell scrambling and the signal strength measurement of the sub-district of finding out in said frequency tabulation; Wherein, N is a natural number.Fig. 3 is a schematic flow sheet of safeguarding the frequency tabulation.Consult Fig. 3, in the present embodiment, step S103 specifically comprises the steps to realize the maintenance to said frequency tabulation:
Step S201 chooses a frequency and measures from said frequency tabulation;
Step S202 receives the data of this frequency zero time slot (TS0) and descending pilot frequency time slot (DwPTS);
Step S203 carries out blind Detecting based on said data to this frequency, records all sub-districts on this frequency;
Step S204, all sub-districts on this frequency that traversal records;
Step S205 judges that whether the received signal code power that records the sub-district is greater than predetermined threshold value; Said predetermined threshold value is to judge whether the signal on the sub-district can be arrived by actual measurement; Perhaps said predetermined threshold value is to judge that whether signal strength signal intensity is enough by force to satisfy the requirement of communication; For example in specific embodiment, the span of said predetermined threshold value can be set at more than or equal to-100dbm.
Otherwise forward step S204 to;
Be execution in step S206 then, judge said sub-district whether belong to signal strength signal intensity and be in before the strong sub-district of N,
Otherwise forward step S204 to;
Be execution in step S207 then, deposit the cell scrambling and the signal strength measurement of said sub-district in said frequency tabulation;
Step S208 judges whether to accomplish traversal, is then to forward step S209 to, otherwise forwards step S204 to;
Step S209 judges whether to measure all frequencies, otherwise forwards step S201 to, is then to finish to measure.
In the above-mentioned process that each frequency in the frequency tabulation is measured; After receiving certain frequency TS0 and DwPTS data; Utilize the blind Detecting Function detection to go out all sub-districts; If the received signal code power (RSCP of this sub-district; Received Signal Code Power) value (for example be-90dbm), and belong under this frequency the strong sub-district of N before signal strength signal intensity is in all sub-districts that the cell scrambling of this sub-district and signal strength measurement thereof are deposited into during said frequency tabulates greater than predetermined threshold value.The present technique field personnel know, scrambler (Scrambling codes) is exactly with a pseudo-random code sequence spreading code to be multiplied each other, and signal is encrypted.In cellphone subscriber's side; At first to distinguish the signal of this sub-district and non-this sub-district; This differentiation process realizes that through separating this cell scrambling so corresponding cell scrambling in each sub-district in the system, the effect of cell scrambling is equivalent to the ID of sub-district (IDentity).Need to prove, when step S101 and step S102 generate said frequency tabulation, only need to preserve frequency, need not preserve cell scrambling.Measure according to frequency tabulation arrangement during measurement, and measurement result is updated in the frequency tabulation, be equivalent to only need operate a table when physical layer realizes, simplified the complexity that realizes.
Blind Detecting is most important in the present technique scheme; Be the prerequisite that the present technique scheme is achieved, blind Detecting is utilized TS0 and DwPTS data, on the basis of priori conditions such as cell information, can detect on this frequency TS0 all have which sub-district; And can detect the observed time difference (OTD of each sub-district; Observed Time Difference), this value can guarantee that data division separates timing and eliminate with disturbing frequently, guarantees the right demodulation of data.Need to prove that according to the disposal ability of hardware, said blind Detecting can be set to periodically start, the information of the sub-district that when not starting blind Detecting, has existed in the said frequency tabulation capable of using is carried out channel estimating, is measured or the like.
Cycle during said periodicity starts is relevant with the disposal ability of hardware, and it is more little that the high more then said cycle of hardware handles ability can be set, and is corresponding, and measurement result is also optimized more.Usually, when making a phone call, the said cycle is 200 milliseconds of * A, and when standby, the said cycle is 5 milliseconds of * A, and A is by the performance decision of particular hardware.Need to prove that the A here can be equivalent to reflect the performance of particular hardware and a coefficient that concerns between the said cycle for greater than 0 any number, usually A=1.Certainly, if the better performances of hardware, A also can get 0.9, and at this moment, when making a phone call, the said cycle is 180 milliseconds, and when standby, the said cycle is 4.5 milliseconds.
Need to prove; All sub-districts on this frequency that traversal records among the step S204 mainly are meant a signal strength measurement of not analyzing the sub-district of (step S205 and S206) of obtaining on this frequency that records after the blind Detecting; Step S205 and S206 analyze the signal strength measurement of the sub-district on this frequency, judge that whether whether the sub-district received signal code power be the strong sub-district of N before signal strength signal intensity is in all sub-districts of this frequency greater than predetermined threshold value and this sub-district.The process of step S204 to S206 may be summarized to be finds out N sub-district of satisfying certain signal strength signal intensity requirement; The process of the sub-district that N is strong before promptly choosing received signal code power in the sub-district that records and belonging to signal strength signal intensity and be in greater than predetermined threshold value and said sub-district, step S207 is according to the signal strength measurement of the sub-district of being found out and goes to realize the process to the maintenance of Neighboring Cell List.In the present embodiment, can also be convenient to find out N like this and satisfy the sub-district that certain signal strength signal intensity requires earlier with big or small descending be arranged in order of all sub-districts according to its signal strength measurement (being specially the RSCP value).In other embodiments, also can sort, can find out N equally and satisfy the sub-district that certain signal strength signal intensity requires not according to its measured value.
In addition, in the specific implementation, can set according to the difference of hardware handles ability about the value of N, the bigger requirement to the relevant hardware disposal ability of value is also high more, usually, and N≤6th, proper scope.
In other embodiments; After step S103 measures each frequency in the said frequency tabulation respectively; Be not limited to find out predetermined quantity (N) and satisfy the sub-district that certain signal strength signal intensity requires; Also can find out the sub-district of received signal code power all sub-districts from each frequency, promptly find out all and satisfy the sub-district that certain signal strength signal intensity requires, and deposit the cell scrambling and the signal strength measurement of all sub-districts of finding out in said frequency tabulation greater than predetermined threshold value.
Accomplish to said frequency tabulation safeguard (renewals) after, execution in step S104, the Neighboring Cell List of synchronous said frequency tabulation and at least one card.It specifically can comprise: the Neighboring Cell List of the tabulation of more said frequency and at least one card, and to the sub-district that all exists in said frequency tabulation and the Neighboring Cell List, the signal strength measurement of this sub-district during said frequency tabulated is updated in the corresponding Neighboring Cell List; Be not present in the sub-district in the Neighboring Cell List to being present in the tabulation of said frequency, continue said sub-district is remained in the said frequency tabulation (if do not start blind Detecting when measuring next time then can utilize these cell informations that remain in the said frequency tabulation to carry out channel estimating) as prior information; Be present in the sub-district in the Neighboring Cell List in the tabulation of said frequency to not being present in, the signal strength measurement of this sub-district is saved as 0 in corresponding Neighboring Cell List (a little less than explain that these cell signals that network side disposes are very, not preceding N by force in).In the present embodiment, carry out synchronous all Neighboring Cell List that are with said frequency tabulation, promptly synchronous said frequency tabulation and all Neighboring Cell List.
In addition, when the Neighboring Cell List of synchronous said frequency tabulation and at least one card, also can set synchronizing cycle.Fig. 4 is by the schematic flow sheet of synchronizing band point tabulation synchronizing cycle with Neighboring Cell List.Consult Fig. 4; Comprise by the Neighboring Cell List of synchronous said frequency tabulation synchronizing cycle with at least one card: step S301, judge whether to reach synchronizing cycle, judge otherwise continue execution in step S301; Be execution in step S302 then, the Neighboring Cell List of synchronous said frequency tabulation and at least one card.Particularly, the Neighboring Cell List of more said frequency tabulation and at least one card after arriving said synchronizing cycle upgrades corresponding Neighboring Cell List according to the signal strength measurement of each sub-district in the said frequency tabulation.In the present embodiment; Carry out synchronous all Neighboring Cell List that are with said frequency tabulation,, can regularly realize the synchronous renewal of said frequency tabulation and Neighboring Cell List 1 and Neighboring Cell List 2 through setting said synchronizing cycle; Be convenient to signal strength measurement is reported, reach the purpose of maintenance neighborlist.
Need to prove; The multi-card multi-standby of TD-SCDMA described in present embodiment communication terminal is that the mobile phone with the TD-SCDMA double-card dual-standby is the maintaining method of example explanation Neighboring Cell List; In other embodiments; Said Neighboring Cell List maintaining method also goes for other TD-SCDMA or WCDMA multi-card multi-standby communication terminal; The mobile phone treated of TD-SCDMA or WCDMA three cards three for example is to need to safeguard three Neighboring Cell List this moment at most with the described TD-SCDMA double card double standby mobile phone of the embodiment of the invention is distinguished to some extent; Extract the information (frequency that extracts can be more) that comprises all frequencies from three Neighboring Cell List respectively; Form frequency tabulation (frequency of record can be more many in the frequency tabulation) according to the described Neighboring Cell List maintaining method of the embodiment of the invention, synchronous with said frequency tabulation and these three Neighboring Cell List is to reach the purpose of safeguarding these three Neighboring Cell List.
Based on the Neighboring Cell List maintaining method of above-mentioned multi-card multi-standby communication terminal, embodiment of the present invention also provides a kind of Neighboring Cell List attending device of multi-card multi-standby communication terminal.Fig. 5 is the structural representation of the Neighboring Cell List attending device of the multi-card multi-standby communication terminal that provides of embodiment of the present invention, consults Fig. 5, and said Neighboring Cell List attending device comprises:
Frequency tabulation generation unit 202 is used for generating the frequency tabulation based on the said frequency point information that said frequency extraction unit 201 extracts;
Measuring unit 203; Be used for respectively each frequency of said frequency tabulation being measured; Strong or the received signal code power of N is greater than the sub-district of predetermined threshold value before finding out signal strength signal intensity in all sub-districts on each frequency and being in, and deposits the cell scrambling and the signal strength measurement of the sub-district of finding out in said frequency tabulation; Wherein, N is a natural number;
Below in conjunction with specific embodiment above-mentioned Neighboring Cell List attending device is elaborated.
Fig. 6 is the embodiment sketch map of the Neighboring Cell List attending device of the multi-card multi-standby communication terminal that provides of embodiment of the present invention.As shown in Figure 6; In the present embodiment, said multi-card multi-standby communication terminal is TD-SCDMA multi-card multi-standby communication terminal, for example TD-SCDMA double card double standby mobile phone; Wherein, Two cards are respectively usim card 1 and usim card 2, and usim card 1 and usim card 2 need maintenance neighborlist 200a and Neighboring Cell List 200b respectively after residing in separately the sub-district.Said Neighboring Cell List attending device comprises: frequency extraction unit 201 is used for after two cards reside in separately the sub-district, extracting the frequency point information among Neighboring Cell List 200a and the Neighboring Cell List 200b; Frequency tabulation generation unit 202 is used for generating frequency tabulation 300 based on the said frequency point information that said frequency extraction unit 201 extracts; Measuring unit 203; Be used for respectively each frequency of said frequency tabulation 300 being measured; Strong or the received signal code power of N is greater than the sub-district of predetermined threshold value before finding out signal strength signal intensity in all sub-districts on each frequency and being in, and deposits the cell scrambling and the signal strength measurement of the sub-district of finding out in said frequency tabulation 300; Wherein, N is a natural number; Lock unit 204 is used for after the measurement of said measuring unit 203 completion to each frequency of said frequency tabulation 300 synchronous said frequency tabulation 300 and Neighboring Cell List 200a, Neighboring Cell List 200b; In addition; Said Neighboring Cell List attending device also comprises the frequency merge cells 205 that is connected with frequency extraction unit 201, frequency tabulation generation unit 202 respectively, is used for generating said frequency tabulation 300 at said frequency tabulation generation unit 202 and before the identical frequency of said frequency point information is merged.In the specific embodiment; Frequency point information after said frequency tabulation 300 can be based on identical frequency merged generates; If but there is not the situation of repetition in the frequency in the frequency point information of from Neighboring Cell List 200a, Neighboring Cell List 200b, extracting, then do not need said frequency merge cells 205 to handle.In other embodiments, also can not comprise frequency merge cells 205.
Wherein, Said measuring unit 203 is measured each frequency in the said frequency tabulation 300 respectively; The strong sub-district of N before finding out in all sub-districts on each frequency signal strength signal intensity and being in, and deposit the cell scrambling of the sub-district of finding out and signal strength measurement in said frequency tabulation 300 and specifically comprise: from said frequency tabulation 300, choose a frequency and measure; Receive the data of this frequency zero time slot and descending pilot frequency time slot; Based on said data this frequency is carried out blind Detecting, record all sub-districts on this frequency; All sub-districts on this frequency that traversal records; The strong sub-district of N before choosing in the sub-district that records received signal code power and belonging to signal strength signal intensity and be in greater than predetermined threshold value and said sub-district deposits the cell scrambling and the signal strength measurement of the sub-district of choosing in said frequency tabulation 300; Repeat the aforesaid operations process, until measuring all frequencies.
In the present embodiment, said measuring unit 203 comprises blind Detecting control unit (not shown), is used to control the periodicity startup of said blind Detecting.During practical implementation, said blind Detecting control unit can be set to a timer, triggers blind Detecting after every separated scheduled time.
In addition, said measuring unit 203 also comprises the sequencing unit (not shown), behind all sub-districts on this frequency that is used for recording in traversal, with big or small descending be arranged in order of all sub-districts according to its signal strength measurement.
In the present embodiment; The synchronous said frequencies tabulation of said lock unit 204 300 specifically comprises with Neighboring Cell List 200a, Neighboring Cell List 200b: more said frequency tabulates 300 and Neighboring Cell List 200a, Neighboring Cell List 200b; To the tabulation 300 of said frequency with Neighboring Cell List 200a or/and the sub-district that all exists among the Neighboring Cell List 200b, the signal strength measurement of this sub-district in the said frequency tabulation 300 is updated in the corresponding Neighboring Cell List; Be not present in Neighboring Cell List 200a or/and the sub-district among the Neighboring Cell List 200b continues said sub-district is remained in the said frequency tabulation 300 to being present in the said frequency tabulation 300; Be present in Neighboring Cell List 200a in the said frequency tabulation 300 or/and the sub-district among the Neighboring Cell List 200b to not being present in, the signal strength measurement of this sub-district is saved as 0 in corresponding Neighboring Cell List.
In addition; Said Neighboring Cell List attending device also comprises synchronous control unit 206; Be used to set synchronizing cycle; The said lock unit 204 more said frequency tabulations 300 and Neighboring Cell List 200a, Neighboring Cell List 200b of control are upgraded corresponding Neighboring Cell List according to the signal strength measurement of each sub-district in the said frequency tabulation 300 after arriving said synchronizing cycle.
Based on the Neighboring Cell List attending device of above-mentioned multi-card multi-standby communication terminal, embodiment of the present invention also provides a kind of multi-card multi-standby communication terminal that comprises above-mentioned Neighboring Cell List attending device.In the specific embodiment, said multi-card multi-standby communication terminal can be TD-SCDMA or WCDMA multi-card multi-standby mobile phone.
About specifically can repeating no more at this of said multi-card multi-standby communication terminal and Neighboring Cell List attending device thereof with reference to the Neighboring Cell List maintaining method of above-mentioned multi-card multi-standby communication terminal.
To sum up, the multi-card multi-standby communication terminal that embodiment of the present invention provides and Neighboring Cell List maintaining method and device have following beneficial effect at least:
Frequency point information in the Neighboring Cell List of at least one card through extracting the multi-card multi-standby communication terminal is to generate the frequency tabulation; Respectively each frequency in the said frequency tabulation is measured again; Strong or the received signal code power of N is greater than the sub-district of predetermined threshold value before finding out signal strength signal intensity in all sub-districts on each frequency and being in; Deposit the cell scrambling and the measured value of the sub-district of finding out in said frequency tabulation; The Neighboring Cell List of synchronous said frequency tabulation and at least one card, thus realized high maintenance and management to Neighboring Cell List.
Through introducing said frequency tabulation; Avoided the arbitration expense of many Neighboring Cell List existence (Neighboring Cell List and arbitration modules to be isolated; Neighboring Cell List only and between the frequency tabulation synchronously, and measurement request and only relevant with the frequency tabulation to the processing of measurement result can be saved arbitration modules); Reduced to many Neighboring Cell List safeguard complexity and maintenance cost, thereby can guarantee that the multi-card multi-standby communication terminal obtains higher stability and performance.
Though the present invention with preferred embodiment openly as above; But it is not to be used for limiting the present invention; Any those skilled in the art are not breaking away from the spirit and scope of the present invention; Can utilize the method and the technology contents of above-mentioned announcement that technical scheme of the present invention is made possible change and modification, therefore, every content that does not break away from technical scheme of the present invention; To any simple modification, equivalent variations and modification that above embodiment did, all belong to the protection range of technical scheme of the present invention according to technical spirit of the present invention.
Claims (22)
1. the Neighboring Cell List maintaining method of a multi-card multi-standby communication terminal is characterized in that, comprising:
After many cards reside in separately the sub-district, extract the frequency point information in the Neighboring Cell List of at least one card;
Generate the frequency tabulation based on the said frequency point information of extracting;
Respectively each frequency in the said frequency tabulation is measured; Strong or the received signal code power of N is greater than the sub-district of predetermined threshold value before finding out signal strength signal intensity in all sub-districts on each frequency and being in, and deposits the cell scrambling and the signal strength measurement of the sub-district of finding out in said frequency tabulation; Wherein, N is a natural number;
The Neighboring Cell List of synchronous said frequency tabulation and at least one card.
2. Neighboring Cell List maintaining method according to claim 1 is characterized in that, after many cards resided in separately the sub-district, the frequency point information of extraction was the frequency point information in all Neighboring Cell List; Carry out synchronous all Neighboring Cell List that are with said frequency tabulation.
3. Neighboring Cell List maintaining method according to claim 1 and 2; It is characterized in that; Comprised also before generating said frequency tabulation the identical frequency in the said frequency point information is merged that the frequency point information after said frequency tabulation is based on identical frequency merged generates.
4. Neighboring Cell List maintaining method according to claim 1 and 2; It is characterized in that; Saidly respectively each frequency in the tabulation of said frequency is measured; The strong sub-district of N before finding out in all sub-districts on each frequency signal strength signal intensity and being in, and deposit the cell scrambling of the sub-district of finding out and signal strength measurement in said frequency tabulation and comprise:
From said frequency tabulation, choosing a frequency measures;
Receive the data of this frequency zero time slot and descending pilot frequency time slot;
Based on said data this frequency is carried out blind Detecting, record all sub-districts on this frequency;
All sub-districts on this frequency that traversal records; The strong sub-district of N before choosing in all sub-districts that record received signal code power and belonging to signal strength signal intensity and be in greater than predetermined threshold value and said sub-district deposits the cell scrambling and the signal strength measurement of the sub-district of choosing in said frequency tabulation;
Repeat above-mentioned steps, until measuring all frequencies.
5. Neighboring Cell List maintaining method according to claim 4; It is characterized in that; Saidly based on said data this frequency is carried out blind Detecting, all sub-districts that record on this frequency comprise: the observed time difference that detects existing sub-district on this frequency zero time slot and each sub-district.
6. Neighboring Cell List maintaining method according to claim 4 is characterized in that, said blind Detecting is set to periodically start.
7. Neighboring Cell List maintaining method according to claim 6 is characterized in that, in the cycle during said periodicity starts, when making a phone call, the said cycle is 200 milliseconds of * A, and when standby, the said cycle is 5 milliseconds of * A, and A is by the performance decision of particular hardware.
8. Neighboring Cell List maintaining method according to claim 4 is characterized in that, behind all sub-districts on this frequency that traversal records, with big or small descending be arranged in order of all sub-districts according to its signal strength measurement.
9. Neighboring Cell List maintaining method according to claim 1 is characterized in that, said predetermined threshold value is more than or equal to-100dbm.
10. the maintaining method of Neighboring Cell List according to claim 1 is characterized in that, said synchronous said frequency tabulation comprises with the Neighboring Cell List of at least one card: the Neighboring Cell List of more said frequency tabulation and at least one card,
To the sub-district that all exists in the tabulation of said frequency and the Neighboring Cell List, the signal strength measurement of this sub-district during said frequency tabulated is updated in the corresponding Neighboring Cell List;
Be not present in the sub-district in the Neighboring Cell List to being present in the said frequency tabulation, continue said sub-district is remained in the said frequency tabulation;
Be present in the sub-district in the Neighboring Cell List in the tabulation of said frequency to not being present in, the signal strength measurement of this sub-district is saved as 0 in corresponding Neighboring Cell List.
11. the maintaining method of Neighboring Cell List according to claim 1; It is characterized in that; Said synchronous said frequency tabulation comprises with the Neighboring Cell List of at least one card: set synchronizing cycle; After arriving said synchronizing cycle, the Neighboring Cell List of more said frequency tabulation and at least one card upgrades corresponding Neighboring Cell List according to the signal strength measurement of each sub-district in the said frequency tabulation.
12. Neighboring Cell List maintaining method according to claim 1 is characterized in that, N≤6.
13. the Neighboring Cell List attending device of a multi-card multi-standby communication terminal is characterized in that, comprising:
The frequency extraction unit is used for after many cards reside in separately the sub-district, extracts the frequency point information in the Neighboring Cell List of at least one card;
Frequency tabulation generation unit is used for generating the frequency tabulation based on the said frequency point information that said frequency extraction unit extracts;
Measuring unit; Be used for respectively each frequency of said frequency tabulation being measured; Strong or the received signal code power of N is greater than the sub-district of predetermined threshold value before finding out signal strength signal intensity in all sub-districts on each frequency and being in, and deposits the cell scrambling and the signal strength measurement of the sub-district of finding out in said frequency tabulation; Wherein, N is a natural number;
Lock unit is used for after said measuring unit is accomplished the measurement of each frequency that said frequency is tabulated, the Neighboring Cell List of synchronous said frequency tabulation and at least one card.
14. Neighboring Cell List attending device according to claim 13 is characterized in that, the frequency point information that said frequency extraction unit extracts is the frequency point information in all Neighboring Cell List; The synchronous said frequency tabulation of said lock unit and all Neighboring Cell List.
15., it is characterized in that according to claim 13 or 14 described Neighboring Cell List attending devices, also comprise the frequency merge cells, be used for generating said frequency tabulation and before the identical frequency of said frequency point information merged at said frequency tabulation generation unit; Frequency point information after the tabulation of said frequency is based on identical frequency merged generates.
16. according to claim 13 or 14 described Neighboring Cell List attending devices; It is characterized in that; Said measuring unit is measured each frequency in the said frequency tabulation respectively; The strong sub-district of N before finding out in all sub-districts on each frequency signal strength signal intensity and being in, and deposit the cell scrambling of the sub-district of finding out and signal strength measurement in said frequency tabulation and comprise:
From said frequency tabulation, choosing a frequency measures;
Receive the data of this frequency zero time slot and descending pilot frequency time slot;
Based on said data this frequency is carried out blind Detecting, record all sub-districts on this frequency;
All sub-districts on this frequency that traversal records; The strong sub-district of N before choosing in all sub-districts that record received signal code power and belonging to signal strength signal intensity and be in greater than predetermined threshold value and said sub-district deposits the cell scrambling and the signal strength measurement of the sub-district of choosing in said frequency tabulation;
Repeat the aforesaid operations process, until measuring all frequencies.
17. Neighboring Cell List attending device according to claim 16 is characterized in that said measuring unit comprises the blind Detecting control unit, is used to control the periodicity startup of said blind Detecting.
18. Neighboring Cell List attending device according to claim 16; It is characterized in that; Said measuring unit comprises sequencing unit, behind all sub-districts on this frequency that is used for recording in traversal, with big or small descending be arranged in order of all sub-districts according to its signal strength measurement.
19. Neighboring Cell List attending device according to claim 13 is characterized in that, the synchronous said frequency tabulation of said lock unit comprises with the Neighboring Cell List of at least one card: the Neighboring Cell List of more said frequency tabulation and at least one card,
To the sub-district that all exists in the tabulation of said frequency and the Neighboring Cell List, the signal strength measurement of this sub-district during said frequency tabulated is updated in the corresponding Neighboring Cell List;
Be not present in the sub-district in the Neighboring Cell List to being present in the said frequency tabulation, continue said sub-district is remained in the said frequency tabulation;
Be present in the sub-district in the Neighboring Cell List in the tabulation of said frequency to not being present in, the signal strength measurement of this sub-district is saved as 0 in corresponding Neighboring Cell List.
20. Neighboring Cell List attending device according to claim 13; It is characterized in that; Also comprise synchronous control unit; Be used to set synchronizing cycle, the Neighboring Cell List of more said frequency tabulation of the said lock unit of control and at least one card after arriving said synchronizing cycle upgrades corresponding Neighboring Cell List according to the signal strength measurement of each sub-district in the said frequency tabulation.
21. multi-card multi-standby communication terminal that comprises each described Neighboring Cell List attending device of claim 13 to 20.
22. multi-card multi-standby communication terminal according to claim 21 is characterized in that, said multi-card multi-standby communication terminal is TD-SCDMA or WCDMA multi-card multi-standby mobile phone.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110141769.1A CN102421120B (en) | 2011-05-27 | 2011-05-27 | Multi-card multi-standby communication terminal and neighbor list maintaining method and device thereof |
| HK12110202.9A HK1169545A1 (en) | 2011-05-27 | 2012-10-16 | Multi-card multi-standby communication terminal and neighbor list maintaining method and device thereof |
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| CN201110141769.1A CN102421120B (en) | 2011-05-27 | 2011-05-27 | Multi-card multi-standby communication terminal and neighbor list maintaining method and device thereof |
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| CN102421120B CN102421120B (en) | 2014-07-02 |
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Also Published As
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| CN102421120B (en) | 2014-07-02 |
| HK1169545A1 (en) | 2013-01-25 |
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