CN1497891A - Data communication system, terminal eequipment, method and its program - Google Patents

Data communication system, terminal eequipment, method and its program Download PDF

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Publication number
CN1497891A
CN1497891A CNA2003101019952A CN200310101995A CN1497891A CN 1497891 A CN1497891 A CN 1497891A CN A2003101019952 A CNA2003101019952 A CN A2003101019952A CN 200310101995 A CN200310101995 A CN 200310101995A CN 1497891 A CN1497891 A CN 1497891A
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parameter
data
processing parameter
buffering area
processing
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跆锟抵
戸田康志
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NEC Corp
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NEC Corp
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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Abstract

In a communication system including a data terminal having a communication function adopting a code division multiplex access (CDMA) system, a coding and a decoding means in the data terminal store parameters necessary for a coding and a decoding process in the means, respectively, are stored in the process parameter buffer according to the utilization frequency data of a designated transport format, and for the utilization frequency parameters the pertinent stored parameter data are read out and utilized without performing re-calculation, thus reducing power consumption necessary for calculation.

Description

Data communications system, terminal equipment, method and program thereof
Technical field
The present invention relates to data communication system, data communication terminal equipment and data communications method and program thereof based on mobile packet data communication terminal etc.
Background technology
It is priority that the application requires the Japanese patent application No.2002-305899 that proposes with on October 21st, 2002, and this Japanese patent application is in the present invention involved by reference.
Fig. 3 shows the example that is provided with of encoding apparatus and decoding apparatus in the portable data terminals of prior art.
Use a spread spectrum transfer system conduct and the relevant signal transmitting system of CDMA (code division multiple access).In described spread spectrum transfer system, a plurality of extended codes or so-called PN spread signal are used for the formation of communication channel.These extended codes are identical with employed extended code in the expansion process of carrying out in emission side, and are used in the contrary extension process that the ripple that receives is carried out.Like this, just can from the reception ripple that comprises interference wave, take out the data of wanting.
In the data terminal that has based on the communication function of said system, Code And Decode device 2A and 4A are according to the different processing parameter of big or small needs that transmits and receives data.Therefore, in code device 2A, default emission parameter S101 comes calculation code processing parameter S110 and emission processing parameter S107 to coding parameter processing unit 26 by the transformat that uses emission data S102 according to higher controller 1, and coding processing unit 27 is handled by using 110 pairs of emissions of encoding process parameter S data S102, forming data after the coding back/multiple connection, and these data are sent to emitter 3.On the other hand, in decoding device 4A, obtain TFCI (Transport Format CombinationIndicator before the decoding that codec processing unit 47 receives among the data S209 from receiving system 5, the transformat combination indication) data S212, and decoding parametric processing unit 46 calculates decoding processing parameter S 211 and receives processing parameter S207 by using data S212 and higher controller 1 default reception parameter S 201.Codec processing unit 47 is by using decoding processing parameter S 211, and the back that obtains decoding the data S209 before decoding receives data S202, and resulting data are offered higher controller 1.
Code And Decode device 2A and 4A are wherein processing set handling parameter S 110 and S211 respectively in Code And Decode processing unit 27 and 47, thereby realize respectively to the coding of emission data with to receiving the decoding of data.
To transmit and receive data and be referred to discrete control channel (DCCH roughly, DiscreteControl Channel) data and Discrete service channel (DTCH, Discrete TrafficChannel) in the middle of the data, and these channels are carried out independently data existence/disappearance is checked and the size of data renewal.Even this means that data transmission/rate of received data is constant, also carry out the renewal of transformat combination indication (TFCI) continually.This frequent updating just requires to recomputate continually processing parameter S110 and S211 in Code And Decode parameter processing unit 26 and 46.In this case, calculated identical calculating parameter, increased the computing of waste, considered and calculate required power consumption, do not wished so.
Can expect, with processing parameter S110 and S211 and transmit and receive processing parameter S107 and S207 all is stored in the nonvolatile memory of portable data terminals.But the transformat combination quantity of service is very big, a lot of and large-scale memory of needs of the calculating parameter that keep.In addition, if when data transmission or reception, upgraded physical channel parameters, just have to recomputate encoding process parameter S 110.Because it is much to upgrade physical channel parameters in network, the situation that need recomputate is quite a few sees.Therefore, all be stored in the middle of the method in the nonvolatile memory in the parameter that transmits and receives with necessity, the portable data terminals of this type power consumption, size reduce with cost on all have problems.
Also proposed a kind of chnnel coding and decode system, this system can reduce power consumption in the above-mentioned parameter computing.Dispose this system like this, if make the transformat combination indication (TFCI) in the current transmission time interval (TTI) indicate (TFCI) identical with the transformat combination that is right after in time interval (TTI) the preceding, then handle and handle required power consumption about the chnnel coding of emission data and the calculation of parameter of rate-matched about the channel-decoding that receives data and calculation of parameter that speed is separated coupling, handled by stopping these calculation of parameter, and the mode of the parameter value that obtains in calculating before the priority of use reduces (for example, see document 1: Japan is publication No.2002-247127 in early days).
But, this prior art scheme only with note current be right after Transmission Time Interval (TTI) the preceding in transformat combination indication (TFCI) whether be all the basis mutually.This means,, concerning each interval (TTI), all need calculation of parameter to handle for example taking place under the situation of equal state in two or three Transmission Time Intervals (TTI) continuously.Therefore, be difficult to need the mode of the number of times of calculation of parameter processing to reduce the required power consumption of computing by minimizing.
Summary of the invention
The object of the present invention is to provide and a kind ofly carry out data communication system, data communication terminal equipment and data communications method and the program thereof that Code And Decode is handled the frequency of utilization of desired parameters, be used for further reducing the required power consumption of described processing based on noticing.
For addressing the above problem, has following feature structure according to data communication system of the present invention, data communication terminal equipment and data communications method and program thereof.
According to a first aspect of the invention, a kind of data communication system that is made up according to communication terminal device and reception side data communication terminal equipment by the emission number formulary is provided, described emission number formulary comprises code device according to communication terminal device, be used for by after receiving the emission data supplied with and emission parameter and producing coding corresponding to described emission data and emission parameter/multiple connection after emission data and wherein be used for launching the emission processing parameter of processing to launching data after the back/multiple connection of described coding, described code device comprises: in described emission number formulary according to the coding processing unit in the communication terminal device, be used for by after using the encoding process parameter supplied with to obtain coding corresponding to described emission data/launch data after the multiple connection; The calculation of parameter inspection unit is used for checking the relevant processing parameter of transformat combination that whether calculates with relevant according to the transport format data that is included in described emission parameter; The coding parameter computing unit is used for calculating the processing parameter that comprises described encoding process parameter and described emission processing parameter according to described emission parameter; With the buffering area control device, be used for reading and the relevant processing parameter of storage to described processing parameter buffering area from the processing parameter buffering area according to coming from the buffering area control signal of described calculation of parameter inspection unit, upgrade the frequency of utilization data simultaneously, described reception side data communication terminal unit comprises decoding device, be used to receive decoding device from the not decoded data of receiving system supply, described receiving system carries out processing to receiving data by using the reception processing parameter, and described decoding device receives data by using the reception parameter of being supplied with to produce the decoding back, described decoding device has: codec processing unit, be used for obtaining decoding back reception data by the not decoded data of supplying with from described receiving system is decoded, described receiving system uses described reception processing parameter to carry out processing; The calculation of parameter inspection unit is used for when receiving the processing parameter that whether has calculated described relevant transformat combination by using transformat combination indication (TFCI) data that obtain from described codec processing unit, checking; The decoding parametric computing unit is used to calculate the processing parameter that comprises decoding processing parameter and described reception processing parameter; The processing parameter buffering area is used to preserve a plurality of processing parameters; With the buffering area control device, be used for upgrading the frequency of utilization data simultaneously from the processing parameter that the processing parameter buffering area is read and storage is correlated with to described processing parameter buffering area according to coming from the buffering area control signal of described calculation of parameter inspection unit.
According to a second aspect of the invention, a kind of data communication terminal is provided, comprise code device, be used for by after receiving the emission data supplied with and emission parameter and producing coding corresponding to described emission data and emission parameter/multiple connection after emission data and be used for launching the emission processing parameter of processing to launching data after the back/multiple connection of described coding, described code device comprises: in described emission number formulary according to the coding processing unit in the communication terminal device, be used for by after using the encoding process parameter supplied with to obtain coding corresponding to described emission data/launch data after the multiple connection; The calculation of parameter inspection unit is used for checking the relevant processing parameter of transformat combination that whether calculates with relevant according to the transport format data that is included in described emission parameter; The coding parameter computing unit is used for calculating the processing parameter that comprises described encoding process parameter and described emission processing parameter according to described emission parameter; With the buffering area control device, be used for upgrading the frequency of utilization data simultaneously from the processing parameter that the processing parameter buffering area is read and storage is correlated with to described processing parameter buffering area according to coming from the buffering area control signal of described calculation of parameter inspection unit.
According to a third aspect of the invention we, a kind of data terminal equipment is provided, comprise decoding device, be used to receive the not decoded data of supplying with from receiving system, described receiving system carries out processing to receiving data by using the reception processing parameter, and described decoding device receives data by using the reception parameter of being supplied with to produce the decoding back, wherein said decoding device comprises: codec processing unit, be used for obtaining decoding back reception data by the not decoded data of supplying with from described receiving system is decoded, described receiving system uses described reception processing parameter to carry out processing; The calculation of parameter inspection unit is used for when receiving the processing parameter that whether has calculated described relevant transformat combination by using transformat combination indication (TFCI) data that obtain from described codec processing unit, checking; The decoding parametric computing unit is used to calculate the processing parameter that comprises decoding processing parameter and described reception processing parameter; The processing parameter buffering area is used to preserve a plurality of processing parameters; With the buffering area control device, be used for upgrading the frequency of utilization data simultaneously from the processing parameter that the processing parameter buffering area is read and storage is correlated with to described processing parameter buffering area according to coming from the buffering area control signal of described calculation of parameter inspection unit.
Described processing parameter buffer stores priority record mark, a plurality of past are repeatedly used access times and the correlation parameters of the use of transformat combination indication (TFCI) historical and one or multinomial each TFCI.
Described processing parameter buffer stores priority record mark, a plurality of past are repeatedly used access times and the correlation parameters of the use of transformat combination indication (TFCI) historical and one or multinomial each TFCI.
When described calculation of parameter inspection unit is judged when also not calculating described relevant processing parameter, described calculation of parameter inspection unit makes described coding parameter processing unit calculate described processing parameter, and when calculating described processing parameter, then send instruction to described buffering area control device, be used for reading described processing parameter, and use the processing parameter of being read from described processing parameter buffering area.
When described calculation of parameter inspection unit is judged when also not calculating described relevant processing parameter, described calculation of parameter inspection unit makes described decoding parametric processing unit calculate described processing parameter, and when calculating described processing parameter, then send instruction to described buffering area control device, be used for reading described processing parameter, and use the processing parameter of being read from described processing parameter buffering area.
Described buffering area control device uses when historical upgrading TFCI, the access times of the indication of the transformat combination in the relevant parameter table (TFCI) is joined in the middle of the content of described processing parameter buffering area, for this reads and store the processing parameter buffering area.
When described processing parameter buffering area being carried out reading of described processing parameter and store, if there is untapped parameter list, then described buffering area control device uses the untapped parameter list of this piece zone.
Construct described buffering area control device like this, make when the described processing parameter buffering area of storage, if do not have untapped parameter list in described processing parameter buffering area, then described buffering area control device is according to repeatedly using the use history of transformat combination indication (TFCI) to weigh the result of operation and a parameter list is defined as overriding object to the past at least.
When can not be from the outside in addition during the message transmission rate constraint, higher controller is according to about the existence/missing data of discrete control channel (DCCH) with as the transformat combination indication (TFCI) of the combination of minimum and maximum data volume Discrete service channel (DTCH), and control is to the setting of relevant priority record mark in described processing parameter buffering area.
When can not be from the outside in addition during the message transmission rate constraint, higher controller is according to about the existence/missing data of discrete control channel (DCCH) with as the transformat combination indication (TFCI) of the combination of minimum and maximum data volume Discrete service channel (DTCH) transformat in described transmission rate restriction range, and control is to the setting of relevant priority record mark in described processing parameter buffering area.
The processing parameter buffering area can be provided with himself to the supply of the operating power of each parameter list and operating clock with stop management, and can stop the not operating power of operation parameter table and/or the supply of operating clock.
Described coding parameter computing unit is made up of the hardware such as electronic circuit, and ought calculate the processing parameter of the whole transformat combination indications (TFCI) in the employed service, and when it being stored in the described processing parameter buffering area, stop the operating power of described coding parameter computing unit self and/or the supply of operating clock.
Described decoding parametric computing unit is made up of the hardware such as electronic circuit, and ought calculate the processing parameter of the whole transformat combination indications (TFCI) in the employed service, and when it being stored in the described processing parameter buffering area, stop the operating power of described decoding parametric computing unit self and/or the supply of operating clock.
Described coding parameter computing unit is made up of the hardware such as electronic circuit, and when the quantity of the indication of the transformat combination in the employed service (TFCI) was less than the quantity of parameter list in the described processing parameter buffering area, the free time during described coding parameter computing unit utilization is handled was calculated the processing parameter about whole TFCI.
Described decoding parametric computing unit is made up of the hardware such as electronic circuit, and when the quantity of the indication of the transformat combination in the employed service (TFCI) was less than the quantity of parameter list in the described processing parameter buffering area, the free time during described decoding parametric computing unit utilization is handled was calculated the processing parameter about whole TFCI.
Described processing parameter buffering area can read in the higher controller in the part or all of data that expectation is regularly held himself, is used for the nonvolatile memory of regularly storage of being read being correlated with in expectation.
When using identical service next time, primary data can be transferred to described processing parameter buffering area from nonvolatile memory.
Can read in the higher controller in the part or all of data that expectation regularly will be retained in the described processing parameter buffering area, be used in expectation regularly with the storage of the being read reservation service to the network.
When using identical service next time, can from described service, read primary data, and it is transferred to described processing parameter buffering area.
According to a forth aspect of the invention, data communications method in a kind of communication system is provided, described communication system comprises that each all has the emission side and the reception side data communication terminal equipment of the communication function of employing code division multiple access (CDMA) system, wherein: described emission number formulary according to the decoding function in the encoding function in communication terminal device part and the described reception side data communication terminal equipment partly in computing, frequency of utilization data according to the transformat of appointment, the Code And Decode that calculates respectively in described coding and decoding function part is handled required parameter, and the parameter that is calculated is retained in the memory function part of self, and parameter for high frequency of utilization, they are read and use and are retained in the parameter in the described memory function part and do not carry out double counting, calculate required power consumption thereby reduced.
According to a fifth aspect of the invention, a kind of data terminal with communication function of employing code division multiple access (CDMA) system provides a kind of data communications method, wherein: the encoding function part in the described data terminal is in calculating operation, calculate the required parameter of its encoding process, and the parameter that is calculated is retained in the memory function part of himself, and parameter for high frequency of utilization, they are read and use and are retained in the parameter in the described memory function part and do not carry out double counting, calculate required power consumption thereby reduced.
According to a sixth aspect of the invention, a kind of data communication terminal equipment with communication function of employing code division multiple access (CDMA) system provides a kind of data communications method, wherein: the decoding function in the described data communication terminal equipment is partly by computing, calculate the required parameter of its decoding processing, and the parameter that is calculated is retained in the memory function part of himself, and parameter for high frequency of utilization, they are read and use and are retained in the parameter in the described memory function part and do not carry out double counting, calculate required power consumption thereby reduced.
Renewal and the described frequency of utilization that is retained in the supplemental characteristic in the described memory function part managed, and the existence/missing data of control channel (DCCH) data that preferentially will disperse and be stored in the described memory function part as the transformat combination indication (TFCI) of the combination of minimum and maximum Discrete service channel (DTCH) transformat, simultaneously for other TFCI, according to its frequency of utilization, optionally store the remainder of relevant parameter.
Upgrade the priority of the described parameter that will use according to the transmission rate control data that provides from network or receiving sensitivity data.
In expectation regularly, write in the middle of the applied nonvolatile memory being stored in part or all of described processing parameter in the described memory function part and frequency of utilization data, and in next time and later use, can use described processing parameter and the frequency of utilization data that are stored in the described nonvolatile memory.
According to a seventh aspect of the invention, a kind of program that is used for carrying out in communication system data communications method is provided, described communication system comprises that each all has the emission side and the reception side data communication terminal equipment of the communication function of employing code division multiple access (CDMA) system, wherein: described emission number formulary according to the decoding function in the encoding function in communication terminal device part and the described reception side data communication terminal equipment partly in computing, transformat frequency of utilization data according to appointment, the Code And Decode that calculates respectively in described coding and decoding function part is handled required parameter, and the parameter that is calculated is retained in the memory function part of self, and parameter for high frequency of utilization, they are read and use and are retained in the parameter in the described memory function part and do not carry out double counting, calculate required power consumption thereby reduced.
According to an eighth aspect of the invention, a kind of program that is used for being carried out by data terminal data communications method is provided, described data terminal has the communication function of employing code division multiple access (CDMA) system, wherein: the encoding function part in the described data terminal is in calculating operation, calculate the required parameter of its encoding process, and the parameter that is calculated is retained in the memory function part of himself, and parameter for high frequency of utilization, they are read and use and are retained in the parameter in the described memory function part and do not carry out double counting, calculate required power consumption thereby reduced.
According to a ninth aspect of the invention, a kind of program that is used for being carried out by data terminal data communications method is provided, described data terminal has the communication function of employing code division multiple access (CDMA) system, wherein: the decoding function in the described data communication terminal equipment is partly by computing, calculate the required parameter of its decoding processing, and the parameter that is calculated is retained in the memory function part of himself, and parameter for high frequency of utilization, they are read and use and are retained in the parameter in the described memory function part and do not carry out double counting, calculate required power consumption thereby reduced.
Description of drawings
With reference to the accompanying drawings, set forth other purpose of the present invention and feature by following explanation.
Fig. 1 is the block diagram that illustrates according to the embodiment of data communication terminal equipment of the present invention;
Fig. 2 is the block diagram that illustrates according to the embodiment of data communication terminal equipment of the present invention;
Fig. 3 shows the example that is provided with of encoding apparatus and decoding apparatus in the portable data terminals of prior art.
Embodiment
Below with reference to description of drawings the preferred embodiments of the present invention.
At first sum up feature of the present invention from the viewpoint of method invention.These characterization method have been made program, and these programs are used to realize these methods, and can be stored in the data carrier.
According to the present invention, in the communication system of the data terminal that comprises communication function with employing code division multiple access (CDMA) system, the Code And Decode device of this data terminal is based on the frequency of utilization data of the transformat of appointment, Code And Decode is handled in the processing parameter buffering area that necessary parameter is stored in said apparatus self, make them can read and use the data of institute's stored parameter and need not to recomputate the high frequency parameter of utilization rate, handle necessary power consumption thereby reduced.
The buffering area control device that the renewal of above-mentioned processing parameter and frequency of utilization data is managed preferentially will disperse control channel (DCCH) data existence/disappearance and be stored in the processing parameter buffering area as the transformat combination indication (TFCI) of the combination of the transformat of the minimum and maximum data volume of Discrete service channel (DTCH), for other TFCI, come the optionally remainder of stores processor parameter buffering area simultaneously according to frequency of utilization.
The buffering area control device can be provided according to the transmission rate restricting data that provides from network or receiving sensitivity data by the priority order of processing parameter buffering area.
In addition, whenever can will be stored in processing parameter and the frequency of utilization data division in the processing parameter buffering area or write in the nonvolatile memory fully, and when next time and use later on, just can use the processing parameter and the frequency of utilization data that are stored in the nonvolatile memory.
Fig. 1 is the block diagram that illustrates according to the embodiment of data communication terminal equipment of the present invention.Illustrated data communication terminal equipment is the portable data terminals (promptly launching number formulary according to communication terminal device) that has based on the communication function of code division multiple access (CDMA) system, and it has code device 2.Code device 2 receives emission data S102 and emission parameter S101, and after producing coding corresponding to emission data S102 and emission parameter S101/multiple connection after emission data S109 and be used for launching the emission processing parameter S107 of processing to launching data S109 after the back/multiple connection of encoding, the data that produced are provided for relevant emitter 3 with parameter.
Code device 2 comprises with lower member: coding processing unit 25, be used for the encoding process data S108 supplied with by using, obtain coding corresponding to emission data S102 after/multiple connection after emission data S109; Whether calculation of parameter inspection unit 21 is used for checking and having calculated and the relevant relevant processing parameter of transformat combination according to higher controller 1 transport format data that default emission parameter S101 is comprised when launching; Coding parameter processing unit 23, be used for responding to calculating the reception of initiation command S104, calculate the processing parameter S105 that comprises encoding process parameter S 108 and emission processing parameter S107 according to emission processing parameter S107, described calculating initiation command S104 is based on that calculation of parameter inspection unit 21 made does not also calculate but must calculate the result of determination of described processing parameter; Processing parameter buffering area 24 is used to store above-mentioned a plurality of processing parameter; With buffering area control device 22, be used for producing parameter list control signal S106 according to buffering area control signal S103 from calculation of parameter inspection unit 21, and from processing parameter buffering area 24, read and in processing parameter buffering area 24 the relevant processing parameter of storage, upgrade the frequency of utilization data simultaneously.
Processing parameter buffering area 24 has the zone of storing following content therein: processing parameter S105, it is included in the processing parameter that calculates in the coding parameter processing unit 23, be required emission processing parameter S107 in encoding process parameter S 108 required in the coding processing unit 25 and the transmitter unit 3, and employed TFCI, the table service marking, the calculation of parameter end mark, the priority storage mark, a plurality of part or all of table of forming and past by the table access times repeatedly use transformat combination to indicate the history of (TFCI), and these zones can be upgraded by buffering area control device 22.
Coding processing unit 25 is encoded and multiple connection according to preset coding deal with data S108 and emission data S102, and the emission data S109 after the coding back/multiple connection is set in emitter 3.
Fig. 2 is the block diagram that illustrates according to the embodiment of data communication terminal equipment of the present invention.Illustrated data communication terminal equipment is the portable data terminals (being the reception side data communication terminal equipment) that has based on the communication function of code division multiple access (CDMA) system, and it has decoding device 4.Decoding device 4 receives not decoded data S209 from receiving system 5, receiving system 5 is handled receiving the data execution by using reception processing parameter S207, and decoding device 4 produces the back reception data S202 that decodes by using the reception parameter S 201 from higher controller 1.
Decoding device 4 comprises with lower member: codec processing unit 45, and be used for and will decode, thereby the back that obtains decoding receives data S202 from the not decoded data S209 that receiving system 5 is supplied with, receiving system 5 uses receive processing parameter S207 and carry out processing; Calculation of parameter inspection unit 41 is used for indicating (TFCI) data by use from the transformat combination that codec processing unit 45 obtains, and checks the processing parameter S205 that whether has calculated the related transport format combination when receiving; Parameter processing unit 43, be used for responding to calculating the reception of initiation command S204, calculating comprises decoding processing parameter S 208 and receives the processing parameter S205 of processing parameter S207, and described calculating initiation command S204 is based on that calculation of parameter inspection unit 41 made does not also calculate but must calculate the result of determination of described processing parameter; Processing parameter buffering area 44 is used to preserve a plurality of processing parameter S205; With buffering area control device 42, be used for according to buffering area control signal from calculation of parameter inspection unit 41, by operation parameter table control signal S206, from processing parameter buffering area 44, read and in processing parameter buffering area 44 the stores processor parameter, also upgrade the frequency of utilization data simultaneously.
Processing parameter buffering 44 has the zone of storing following content therein: be included in the processing parameter that calculates in the decoding parametric processing unit 23, be reception processing parameter S207 essential in decoding processing parameter S 208 essential in the codec processing unit 45 and the receiving system 5 processing parameter S205, employed TFCI, table service marking, calculation of parameter end mark, priority record mark, a plurality of by the table access times the part or all of parameter list of forming and repeatedly use the history of TFCI in the past, and these zones can be upgraded by buffering area control device 42.
Codec processing unit 45 is by using default decoding processing parameter S 208, data S209 decoding before the decoding that will supply with from receiving system 5, and will receive data S202 and send higher controller 1 to.
Below with reference to Fig. 1, the operation of the code device among portable data terminals according to the present invention (promptly launch'sing number formulary according to communication terminal device) the embodiment is elaborated.
Beginning at send channel, channel parameter S101 corresponding to related service is set in the coding processing unit 25 of higher controller 1 in coding unit 2 that realizes by the control program of CPU etc., also in processing parameter buffering area 24, processing parameter S105 is carried out initial setting up.
Higher controller 1 is carried out the initial setting up of processing parameter S105 by following process.
Not to the transmission rate of coming automatic network in addition under the situation of any constraint, when the existence/disappearance of having stored discrete (discrete) control channel (DCCH) data in nonvolatile memory and transformat combination are indicated the processing parameter of (TFCI), described TFCI is made up of of data volume maximum in Discrete service channel (DTCH) transformat and of data volume minimum, higher controller 1 is provided with relevant TFCI in the processing parameter buffering area 24 of code device 2, its processing parameter, the priority record mark is part or all of with the table access times, and when being provided with processing parameter S105, remove not calculation flag (promptly being set to " calculate and finish ") of parameter.When in nonvolatile memory, during the stores processor parameter, in the parameter list of higher controller 1 in processing parameter buffering area 24 TFCI not being set, and not calculation flag of parameter is set.When number of times that storage list does not use in nonvolatile memory, higher controller 1 is provided with the number of times that an initial value uses as table.
Under the situation that has the transmission rate bound data that provides from network, when the existence/disappearance of having stored discrete (discrete) control channel (DCCH) data in nonvolatile memory and transformat combination are indicated the processing parameter of (TFCI), described TFCI is made up of of the data volume maximum in described transmission rate restriction range in Discrete service channel (DTCH) transformat and of data volume minimum, higher controller 1 is provided with relevant TFCI in the processing parameter buffering area 24 of code device 2, its processing parameter, the priority record mark is part or all of with the table access times, and when being provided with processing parameter S105, remove not calculation flag (promptly being set to " calculate and finish ") of parameter.
When in nonvolatile memory, during the stores processor parameter, in the parameter list of higher controller 1 in processing parameter buffering area 24 TFCI not being set, and parameter not calculation flag and priority record mark are set.When number of times that storage list does not use in nonvolatile memory, higher controller 1 is provided with the number of times that an initial value uses as table.
But, both there be not the DCCH data of above-mentioned TFCI, not having does not need encoding process under the emission data conditions of TFCI of minimum DTCH data volume in this case yet, and higher controller 1 is not provided with any initial value about TFCI.
After in the parameter list of processing parameter buffering area 24, having finished the initial value setting, when in the parameter list of processing parameter buffering area 24, having white space, in this blank parameter list, be provided with and show not service marking.
The parameter list that has been provided with the processing parameter buffering area 24 of priority record mark therein can only be upgraded by higher controller 1, and can not upgrade in code device 2.The parameter list that the priority record mark is not set therein can be upgraded by the buffering area control device 22 in the code device 2.
After setting in each parameter list was finished, the TFCI that removes in the processing parameter buffering area 24 used historical.
Now, to describing in the operation that is provided with code device 2 under the situation that receives data and transformat.
When calculation of parameter inspection unit 21 receives default transport format data (being emission parameter) S101, it is by using buffering area control device 22, and, whether checked as calculated the processing parameter S105 of relevant TFCI with reference to the TFCI data and the calculation of parameter sign that are stored in the parameter list of processing parameter buffering area 24.
When also not calculating processing parameter S105, calculation of parameter inspection unit 21 sends handles initiation command S104, and this order expression is not also calculated but the necessary result of determination of calculating described processing parameter.One receives this order, coding parameter processing unit 23 just calculates the processing parameter S105 that comprises encoding process parameter S 108 and emission processing parameter S107, and the processing parameter S105 calculate is set in coding processing unit 25 and emitter 3, buffering area control device 22 upgrades parameter list in the processing parameter buffering area 24 according to algorithm described hereinafter simultaneously.
When calculating the processing parameter S105 of relevant TFCI, the processing parameter S105 that buffering area control device 22 will be stored in the relevant TFCI parameter list in the processing parameter buffering area 24 is set in coding processing unit 25 and the emitter 3, and comes the undated parameter table according to algorithm described hereinafter.
Buffering area control device 22 is operated by following algorithm.
Calculated at coding parameter processing unit 23 under the situation of processing parameter S105, buffering area control device 22 is provided with the processing parameter S105 that is calculated in coding processing unit 25 and emitter 3; And
(1) when the TFCI of the processing parameter S105 that is calculated is provided with the parameter list of priority record mark in corresponding to processing parameter buffering area 24 therein, buffering area control device 22 is with not calculation flag removing of the parameter in the relevant parameter table in the processing parameter buffering area 24, and in this parameter list stores processor parameter S 105, upgrade TFCI simultaneously and use history, and increase the access times of this parameter list;
(2) parameter list of priority record mark is set therein in not corresponding to processing parameter buffering area 24 at the TFCI of the processing parameter S105 that is calculated, and each parameter list by retrieval process parameter buffering area 24, if find to exist untapped parameter list, then not service marking in the table that will be correlated with of buffering area control device 22 and parameter not calculation flag remove, and in relevant parameter list the processing parameter S105 of the relevant TFCI of storage, upgrade TFCI simultaneously and use history, and the access times of relevant parameter list are set to " 1 "; And
(3) parameter list of priority record mark is set therein in not corresponding to processing parameter buffering area 24 at the TFCI of the processing parameter S105 that is calculated, and by key service marking not in each parameter list of processing parameter buffering area 24, discovery does not have under the situation of untapped parameter list, for the TFCI that stores in the parameter list of priority record mark is not set in processing parameter buffering area 24 therein, buffering area control device 22 is according to function f (n, m) select to be stored in about the parameter of minimum frequency of utilization TFCI wherein parameter list, and TFCI and processing parameter S105 be stored in the selected parameter list, upgrade the access times that TFCI uses historical and relevant parameter list simultaneously, described function f (n, m) obtain as one or two the result among weight number n and the m, n and m are respectively the access times that use the TFCI that obtains historical and the relevant parameter from TFCI.
When processing parameter S105 is not when being calculated by coding parameter processing unit 23, read processing parameter S105 the parameter list of buffering area control device 22 corresponding relevant TFCI in processing parameter buffering area 24, and in coding processing unit 25 and emitter 3, the processing parameter S105 that is read is set, upgrade TFCI simultaneously and use history, and increase the access times of relevant parameter list.
When higher controller 1 when 2 operating periods of code device receive the transmission rate constraint, it is just by in the processing parameter buffering area 24 of following process in code device 2 more new data being set.
After having removed whole priority record marks in the parameter list of the processing parameter buffering area 24 in code device 2, be connected on after the transmission rate constraint about the existence/missing data of DCCH data with when appearing in the parameter list of processing parameter buffering area 24 as the TFCI of the combination of the DTCH transformat of the minimum and maximum data volume in the transmission rate restriction range, higher controller 1 is provided with the priority record mark in relevant parameter list.
When relevant TFCI appears in the parameter list of processing parameter buffering area 24, as initial set handling, if exist be stored in nonvolatile memory in the relevant processing parameter S105 of relevant TFCI, then higher controller 1 is provided with the part or all of of TFCI, its processing parameter S105, priority record mark and table access times in the processing parameter buffering area 24 of code device 2.When being provided with processing parameter S105, higher controller 1 is removed not calculation flag of (promptly being set to " calculating is finished ") parameter.When not in nonvolatile memory during stores processor parameter S 105, higher controller 1 is provided with relevant TFCI in the parameter list of processing parameter buffering area 24, and not calculation flag of parameter is set.
When not in nonvolatile memory during the storage list access times, higher controller 1 is shown access times and is set to initial value.At this moment, 1 pair of parameter list that had been provided with the priority record mark before upgrading of higher controller sets gradually.
After upgrading physical channel parameters, in the time of need recomputating the processing parameter S105 in the processing parameter buffering area 24, higher controller 1 carries out the not setting of calculation flag of parameter in whole parameter lists of processing parameter buffering area 24.
If the table access times that comprised in each parameter list of processing parameter buffering area 24 cause having taken place digital out-of-limit owing to the increase of this number, then higher controller 1 deducts a constant with the table access times in each parameter list.When result of calculation is negative, higher controller 1 put 0 handle or with the table access times in each parameter list divided by 2 n
When higher controller 1 provides the request of reading processing parameter buffering area 24, the part or all of parameter list in the buffering area control device 22 transmission process parameter buffering areas 24.
Below with reference to Fig. 2, the operation of the decoding device among the embodiment of portable data terminals according to the present invention (being the reception side data communication terminal equipment) is elaborated.
Beginning at receive channel, the higher controller of being realized by the control program of CPU etc. 1 is provided with the channel parameter S201 corresponding to related service in the codec processing unit 45 of decoding unit 2, and in processing parameter buffering area 44 processing parameter S405 is carried out initial setting up.
Higher controller 1 is carried out the initial setting up of processing parameter S205 by following process.
Not to the transmission rate of coming automatic network in addition under the situation of any constraint, when the existence/disappearance of having stored discrete (discrete) control channel (DCCH) data in nonvolatile memory and transformat combination are indicated the processing parameter of (TFCI), described TFCI is made up of of data volume maximum in Discrete service channel (DTCH) transformat and of data volume minimum, higher controller 1 is provided with relevant TFCI in the processing parameter buffering area 44 of decoding device 4, its processing parameter, the priority record mark is part or all of with the table access times, and when being provided with processing parameter S205, remove not calculation flag (promptly being set to " calculate and finish ") of parameter.When in nonvolatile memory, during the stores processor parameter, in the parameter list of higher controller 1 in processing parameter buffering area 44 TFCI not being set, and not calculation flag of parameter is set.When number of times that storage list does not use in nonvolatile memory, higher controller 1 is provided with the number of times that an initial value uses as table.
If there is the transmission rate bound data that provides from network, when the existence/disappearance of having stored discrete (discrete) control channel (DCCH) data in nonvolatile memory and transformat combination are indicated the processing parameter of (TFCI), described TFCI is made up of of the data volume maximum in described transmission rate restriction range in Discrete service channel (DTCH) transformat and of data volume minimum, then higher controller 1 is provided with relevant TFCI in the processing parameter buffering area 44 of decoding device 4, its processing parameter, the priority record mark is part or all of with the table access times, and when being provided with processing parameter S205, remove not calculation flag (promptly being set to " calculate and finish ") of parameter.
When not in nonvolatile memory during the stores processor parameter, higher controller 1 is provided with TFCI in the parameter list of processing parameter buffering area 44, and parameter not calculation flag and priority record mark are set.When number of times that storage list does not use in nonvolatile memory, higher controller 1 is provided with the number of times that an initial value uses as table.
But, both there be not the DCCH data of above-mentioned TFCI, not having does not need decoding processing under the emission data conditions of minimum DTCH data volume TFCI in this case yet, and higher controller 1 is not provided with any initial value about TFCI.
After having finished the initial value setting in the parameter list in processing parameter buffering area 44, when in the parameter list of processing parameter buffering area 44, white space occurring, in this blank parameter list, be provided with and show not service marking.
The parameter list that has been provided with the processing parameter buffering area 44 of priority record mark therein can only be upgraded by higher controller 1, and can not upgrade in decoding device 4.The parameter list that the priority record mark is not set therein can be upgraded by the buffering area control device 42 in the decoding device 4.
After setting in each parameter list was finished, the TFCI that removes in the processing parameter buffering area 44 used historical.
Now, the operation that is provided with the decoding device 4 that receives data and transformat is described.
Calculation of parameter inspection unit 41 is by using the TFCI data S210 and the buffering area control device 42 that will obtain from the reception data S209 decoding that receiving system 5 obtains in codec processing unit 45, and, check the processing parameter S205 that whether has calculated relevant TFCI with reference to TFCI data and the calculation of parameter sign in the parameter list of processing parameter buffering area 44, stored.
When also not calculating processing parameter S205, decoding parametric processing unit 43 calculates the processing parameter S205 that comprises decoding processing parameter S 208 and receive parameter S 207, and in codec processing unit 45 and receiving system 5 the processing parameter S205 that is calculated is set, and buffering area control device 42 upgrades parameter list in the processing parameter buffering area 44 according to the algorithm that will illustrate hereinafter.
When calculating the processing parameter S205 of relevant TFCI, the processing parameter S205 that buffering area control device 42 will be stored in the parameter list of the relevant TFCI in the processing parameter buffering area 44 is set in codec processing unit 45 and the receiving system 5, and comes the undated parameter table according to algorithm described hereinafter.
Buffering area control device 42 is operated by following algorithm.
Calculated at decoding parametric processing unit 43 under the situation of processing parameter S205, buffering area control device 42 is provided with the processing parameter S205 that is calculated in codec processing unit 45 and receiving system 5; And
(1) when the TFCI of the processing parameter S205 that is calculated is provided with the parameter list of priority record mark in corresponding to processing parameter buffering area 44 therein, buffering area control device 42 is with not calculation flag removing of the parameter in the relevant parameter table of processing parameter buffering area 44, and in this parameter list stores processor parameter S 205, upgrade TFCI simultaneously and use history, and increase the access times of this parameter list;
(2) parameter list of priority record mark is set therein in not corresponding to processing parameter buffering area 44 at the TFCI of the processing parameter S205 that is calculated, and by each parameter list in the retrieval process parameter buffering area 44, if find to exist untapped parameter list, then not service marking in the table that will be correlated with of buffering area control device 42 and parameter not calculation flag remove, and in relevant parameter list the processing parameter S205 of the relevant TFCI of storage, upgrade TFCI simultaneously and use history, and the access times of relevant parameter list are set to " 1 "; And
(3) parameter list of priority record mark is set therein in not corresponding to processing parameter buffering area 44 at the TFCI of the processing parameter S205 that is calculated, and by key service marking not in each parameter list of processing parameter buffering area 44, if find not have untapped parameter list, then for the TFCI that is stored in the parameter list of priority record mark is not set in processing parameter buffering area 44 therein, buffering area control device 42 is according to function g (n, m) select to be stored in about the parameter of minimum frequency of utilization TFCI wherein parameter list, and TFCI and processing parameter S205 be stored in the selected parameter list, upgrade the access times that TFCI uses historical and relevant parameter list simultaneously, described function g (n, m) obtain as one or two the result among weight number n and the m, n and m are respectively the access times that use the TFCI that obtains historical and the relevant parameter from TFCI.
When decoding parametric processing unit 43 does not calculate processing parameter S205, read processing parameter S205 the parameter list of buffering area control device 42 corresponding relevant TFCI in processing parameter buffering area 44, and in codec processing unit 45 and receiving system 5, the processing parameter S205 that is read is set, upgrade TFCI simultaneously and use history, and increase the access times of relevant parameter list.
When higher controller 1 when 4 operating periods of decoding device receive the transmission rate constraint, it just is provided with more new data by following process in the processing parameter buffering area 44 of decoding device 4.
After having removed whole priority record marks in the parameter list in the processing parameter buffering area 44 in decoding device 4, be connected on after the transmission rate constraint about the existence/missing data of DCCH data with when appearing in the parameter list of processing parameter buffering area 44 as the TFCI of the combination of minimum and maximum data volume in the DTCH transformat in the transmission rate restriction range, higher controller 1 is provided with the priority record mark in relevant parameter list.
When occurring in the parameter list at processing parameter buffering area 44 being correlated with TFCI, as initial set handling, if exist be stored in nonvolatile memory in the relevant processing parameter S105 of relevant TFCI, the part or all of of TFCI, its processing parameter S205, priority record mark and table access times then is set in the processing parameter buffering area 44 of higher controller 1 in decoding device 4.When being provided with processing parameter S205, higher controller 1 is removed not calculation flag of (promptly being set to " calculating is finished ") parameter.When not in nonvolatile memory during stores processor parameter S 205, higher controller 1 is provided with relevant TFCI in the parameter list of processing parameter buffering area 44, and not calculation flag of parameter is set.
When not in nonvolatile memory during the storage list access times, higher controller 1 is shown access times and is set to initial value.At this moment, 1 pair of parameter list that had been provided with the priority record mark before upgrading of higher controller sets gradually.
After upgrading physical channel parameters, in the time of need recomputating the processing parameter S205 in the processing parameter buffering area 44, higher controller 1 carries out the not setting of calculation flag of parameter in whole parameter lists of processing parameter buffering area 44.
If the table access times that comprise in each parameter list in processing parameter buffering area 44 cause having taken place digital out-of-limit owing to the increase of this number, higher controller 1 deducts a constant with the table access times in each parameter list.When result of calculation is negative, higher controller 1 put 0 handle or with the table access times in each parameter list divided by 2 n
When higher controller 1 provides the request of reading processing parameter buffering area 44, the part or all of parameter list in the buffering area control device 42 transmission process parameter buffering areas 44.
According to the abovementioned embodiments of the present invention, by the calculation of parameter inspection unit is provided, the parameter that calculates can be stored in the processing parameter buffering area to reuse.So just can reduce computation burden, thereby reduce power consumption.
In addition, by being provided for upgrading the buffering area control device of the parameter list in the processing parameter buffering area, the history that can use historical and table access times according to table is the undated parameter table effectively.Like this,, also can reduce the cost of calculating, thereby reduce power consumption even memory span is low.
In addition, when the quantity of the TFCI in transmitting and receiving is less than the quantity of the parameter list in the processing parameter buffering area, can reduce unnecessary power consumption by stopping the power supply of the storage area of untapped parameter list in the processing parameter buffering area supplied with.
In addition, if realizing (coding or decoding) parameter calculation unit with such hardware and electronic circuit, when the quantity of the TFCI in transmitting and receiving is less than the quantity of the parameter list in the processing parameter buffering area so, perhaps when the calculation of parameter of whole TFCI is finished, can be by stopping at least the power supply of parameter calculation unit or clock to be supplied with to reduce power consumption.
In addition, by regularly partly or entirely reading in the higher controller 1 and with it in the parameter that calculates and the historical data being kept in the nonvolatile memory in expectation, can moment that service is used next time from nonvolatile memory, be provided with described parameter partly or entirely.So just can improve and use historical accuracy.In addition, owing to do not need to recomputate parameter, can reduce power consumption.
A different embodiment will be described now.In this embodiment, in each parameter list, will manage as a unit the power supply supply and the clock supply of processing parameter buffering area 24 and 44, and when the quantity of TFCI in the employed service is less than the quantity that transmits and receives parameter list in the middle processing parameter buffering area 24 and 44, stop at least the power supply of untapped parameter list to be supplied with or the clock supply.
In addition, when Code And Decode parameter processing unit 23 and 43 was made up of electronic circuit, calculation of parameter inspection unit 21 and 41 is adjusted to be used for managing electrical power and clock and to supply with.If the quantity of TFCI is less than the quantity that transmits and receives parameter list in the middle processing parameter buffering area 24 and 44 in the employed service, in the time will calculating and be stored in processing parameter buffering area 24 and 44 to the processing parameter of all TFCI, stop at least the power supply of Code And Decode parameter processing unit 23 and 43 to be supplied with or the clock supply so.
In addition, when the quantity of the TFCI in the use service is less than the quantity that transmits and receives parameter list in the middle processing parameter buffering area 24 and 44, precompute processing parameter S105 and the S205 of whole TFCI by the free time in the use computing, and it is stored in the parameter list in processing parameter buffering area 24 and 44, and stop the power supply of the not operation parameter table in processing parameter buffering area 24 and 44 and Code And Decode parameter processing unit 23 and 43 is supplied with and the clock supply.
Prepared to be used for totally everyone server historical employed TFCI and processing parameter, regularly with partly or entirely being kept in this server of processing parameter buffering area 24 and 44, and just obtain and use processing parameter S105 and S205 when needed in expectation.
According to the present invention, can reduce the frequency that needs calculate relevant parameter according to the frequency of utilization that Code And Decode is handled required parameter.Like this, just can provide to allow further to reduce data communication system, data communication terminal and the data communications method of handling required power consumption, and program matched with it.
Those skilled in the art can change on explaining, without departing from the present invention, can realize various visibly different modifications and embodiment.Illustrated in the above description content and accompanying drawing are only as exemplary description.Therefore, wish to regard as above-mentioned explanation illustrative rather than restrictive.

Claims (30)

  1. One kind by the emission number formulary according to communication terminal device and reception side data communication terminal equipment make up data communication system, described emission number formulary comprises code device according to communication terminal device, be used for by after receiving the emission data supplied with and emission parameter and producing coding corresponding to described emission data and emission parameter/multiple connection after emission data and be used for launching the emission processing parameter of processing to launching data after the back/multiple connection of described coding, wherein
    Described code device comprises:
    Described emission number formulary has coding processing unit according to communication terminal device, be used for by after using the encoding process parameter supplied with to obtain coding corresponding to described emission data/launch data after the multiple connection; The calculation of parameter inspection unit is used for checking the relevant processing parameter of transformat combination that whether calculates with relevant according to the transport format data that is included in described emission parameter; The coding parameter computing unit is used for calculating the processing parameter that comprises described encoding process parameter and described emission processing parameter according to described emission parameter; With the buffering area control device, be used for upgrading the frequency of utilization data simultaneously from the processing parameter that the processing parameter buffering area is read and storage is correlated with to described processing parameter buffering area according to coming from the buffering area control signal of described calculation of parameter inspection unit,
    Described reception side data communication terminal unit comprises decoding device, be used to receive the not decoded data of supplying with from receiving system, described receiving system carries out processing to receiving data by using the reception processing parameter, and described decoding device receives data by using the reception parameter of being supplied with to produce the decoding back, described decoding device has: codec processing unit, be used for obtaining decoding back reception data by the not decoded data of supplying with from described receiving system is decoded, described receiving system uses described reception processing parameter to carry out processing; The calculation of parameter inspection unit is used for when receiving the processing parameter that whether has calculated described relevant transformat combination by using the transmission format combination indicating data that obtains from described codec processing unit, checking; The decoding parametric computing unit is used to calculate the processing parameter that comprises decoding processing parameter and described reception processing parameter; The processing parameter buffering area is used to preserve a plurality of processing parameters; With the buffering area control device, be used for upgrading the frequency of utilization data simultaneously from the processing parameter that the processing parameter buffering area is read and storage is correlated with to described processing parameter buffering area according to coming from the buffering area control signal of described calculation of parameter inspection unit.
  2. 2. data communication terminal, comprise code device, be used for by after receiving the emission data supplied with and emission parameter and producing coding corresponding to described emission data and emission parameter/multiple connection after emission data and be used for launching the emission processing parameter of processing to launching data after the back/multiple connection of described coding, wherein
    Described code device comprises:
    Described emission number formulary has coding processing unit according to communication terminal device, be used for by after using the encoding process parameter supplied with to obtain coding corresponding to described emission data/launch data after the multiple connection; The calculation of parameter inspection unit is used for checking the relevant processing parameter of transformat combination that whether calculates with relevant according to the transport format data that is included in described emission parameter; The coding parameter computing unit is used for calculating the processing parameter that comprises described encoding process parameter and described emission processing parameter according to described emission parameter; With the buffering area control device, be used for upgrading the frequency of utilization data simultaneously from the processing parameter that the processing parameter buffering area is read and storage is correlated with to described processing parameter buffering area according to coming from the buffering area control signal of described calculation of parameter inspection unit.
  3. 3. data terminal equipment, comprise the decoding device that is used to receive from the not decoded data of receiving system supply, described receiving system carries out processing to receiving data by using the reception processing parameter, and described decoding device receives data by using the reception parameter of being supplied with to produce the decoding back, wherein
    Described decoding device comprises:
    Codec processing unit is used for obtaining decoding back reception data by the not decoded data of supplying with from described receiving system is decoded, and described receiving system uses described reception processing parameter to carry out processing;
    The calculation of parameter inspection unit is used for when receiving the processing parameter that whether has calculated described relevant transformat combination by using the transmission format combination indicating data that obtains from described codec processing unit, checking;
    The decoding parametric computing unit is used to calculate the processing parameter that comprises decoding processing parameter and described reception processing parameter; The processing parameter buffering area is used to preserve a plurality of processing parameters; With
    The buffering area control device is used for upgrading the frequency of utilization data according to coming from the buffering area control signal of described calculation of parameter inspection unit simultaneously from the processing parameter that the processing parameter buffering area is read and storage is correlated with to described processing parameter buffering area.
  4. 4. data communication terminal equipment as claimed in claim 2, wherein said processing parameter buffer stores priority record mark, a plurality of past are repeatedly used the access times and the correlation parameters of the use of transformat combination indication historical and or multinomial each transformat combination indication.
  5. 5. data communication terminal equipment as claimed in claim 3, wherein said processing parameter buffer stores priority record mark, a plurality of past are repeatedly used the access times and the correlation parameters of the use of transformat combination indication historical and or multinomial each transformat combination indication.
  6. 6. data communication terminal equipment as claimed in claim 2, wherein judge when also not calculating described relevant processing parameter when described calculation of parameter inspection unit, described calculation of parameter inspection unit makes described coding parameter processing unit calculate described processing parameter, and when calculating described processing parameter, then send instruction to described buffering area control device, be used for reading described processing parameter, and use the processing parameter of being read from described processing parameter buffering area.
  7. 7. data communication terminal equipment as claimed in claim 3, wherein judge when also not calculating described relevant processing parameter when described calculation of parameter inspection unit, described calculation of parameter inspection unit makes described decoding parametric processing unit calculate described processing parameter, and when calculating described processing parameter, then send instruction to described buffering area control device, be used for reading described processing parameter, and use the processing parameter of being read from described processing parameter buffering area.
  8. 8. as claim 2 or 3 described data communication terminal unit, wherein said buffering area control device when the use of the indication of new transport format combination more is historical, with the access times of the indication of the transformat combination in the relevant parameter table join can content to its described processing parameter buffering area that reads and store in the middle of.
  9. 9. as claim 2 or 3 described data communication terminal unit, wherein when described processing parameter buffering area being carried out reading of described processing parameter and stores, if there is untapped parameter list, then described buffering area control device uses the untapped parameter list of this piece zone.
  10. 10. as claim 2 or 3 described data communication terminal unit, wherein construct described buffering area control device like this, make when the described processing parameter buffering area of storage, if do not have untapped parameter list in described processing parameter buffering area, then described buffering area control device is according to repeatedly using the use history of transformat combination indication to be weighted the result of operation and a parameter list is defined as overriding object to the past at least.
  11. 11. as claim 4 or 5 described data communication terminal equipments, wherein when can not be from the outside in addition during the message transmission rate constraint, higher controller is according to about the existence/missing data of discrete control channel with as the transformat combination indication of the combination of minimum and maximum data volume Discrete service channel, and control is to the setting of relevant priority record mark in described processing parameter buffering area.
  12. 12. as claim 4 or 5 described data communication terminal equipments, wherein can not be from the outside in addition message transmission rate constraint, higher controller is according to indicating about the existence/missing data of discrete control channel with as the transformat combination of the minimum and maximum data volume Discrete service Channel Transmission format combination in described transmission rate restriction range, and control is to the setting of relevant priority record mark in described processing parameter buffering area.
  13. 13. as claim 4 or 5 described data communication terminal equipments, wherein the processing parameter buffering area can be provided with himself operating power and the supply of operating clock and management that stops to each parameter list, and can stop the not operating power of operation parameter table and/or the supply of operating clock.
  14. 14. data communication terminal equipment as claimed in claim 2, wherein said coding parameter computing unit is made up of the hardware such as electronic circuit, and ought calculate the processing parameter of the whole transformat combination indications in the employed service, and when it being stored in the described processing parameter buffering area, stop the operating power of described coding parameter computing unit self and/or the supply of operating clock.
  15. 15. data communication terminal equipment as claimed in claim 3, wherein said decoding parametric computing unit is made up of the hardware such as electronic circuit, and ought calculate the processing parameter of the whole transformat combination indications in the employed service, and when it being stored in the described processing parameter buffering area, stop the operating power of described decoding parametric computing unit self and/or the supply of operating clock.
  16. 16. data communication terminal equipment as claimed in claim 2, wherein said coding parameter computing unit is made up of the hardware such as electronic circuit, and when the quantity of the indication of the transformat combination in the employed service was less than the quantity of parameter list in the described processing parameter buffering area, the free time during described coding parameter computing unit utilization is handled was calculated the processing parameter about whole transformat combination indications.
  17. 17. data communication terminal equipment as claimed in claim 3, wherein said decoding parametric computing unit is made up of the hardware such as electronic circuit, and when the quantity of the indication of the transformat combination in the employed service was less than the quantity of parameter list in the described processing parameter buffering area, the free time during described decoding parametric computing unit utilization is handled was calculated the processing parameter about whole transformat combination indications.
  18. 18. as claim 2 or 3 described data communication terminal equipments, the part or all of data that wherein said processing parameter buffering area is regularly held himself in expectation read in the higher controller, are used for the nonvolatile memory of regularly storage of being read being correlated with in expectation.
  19. 19. data communication terminal equipment as claimed in claim 18 wherein when using identical service next time, is transferred to described processing parameter buffering area with primary data from nonvolatile memory.
  20. 20. as claim 2 or 3 described data communication terminal equipments, wherein, the part or all of data that regularly will be retained in the described processing parameter buffering area in expectation read in the higher controller, are used in expectation regularly with the storage of the being read reservation service to the network.
  21. 21. data communication terminal equipment as claimed in claim 20 wherein when using identical service next time, is read primary data, and it is transferred to described processing parameter buffering area from described service.
  22. 22. the data communications method in the communication system, described communication system comprise that each all has the emission side and the reception side data communication terminal equipment of the communication function that adopts code division multiple access system, wherein:
    Described emission number formulary according to the decoding function in the encoding function in communication terminal device part and the described reception side data communication terminal equipment partly in computing, frequency of utilization data according to the transformat of appointment, the Code And Decode that calculates respectively in described coding and decoding function part is handled required parameter, and the parameter that is calculated is retained in the memory function part of self, and parameter for high frequency of utilization, they are read and use and are retained in the parameter in the described memory function part and do not carry out double counting, calculate required power consumption thereby reduced.
  23. 23. the data communications method with data terminal of the communication function that adopts code division multiple access system, wherein:
    Encoding function part in the described data terminal is in calculating operation, calculate the required parameter of its encoding process, and the parameter that is calculated is retained in the memory function part of himself, and parameter for high frequency of utilization, they are read and use and are retained in the parameter in the described memory function part and do not carry out double counting, calculate required power consumption thereby reduced.
  24. 24. the data communications method with data communication terminal equipment of the communication function that adopts code division multiple access system, wherein:
    Decoding function in the described data communication terminal equipment is partly by computing, calculate the required parameter of its decoding processing, and the parameter that is calculated is retained in the memory function part of himself, and parameter for high frequency of utilization, they are read and use and are retained in the parameter in the described memory function part and do not carry out double counting, calculate required power consumption thereby reduced.
  25. 25. as claim 23 or 24 described data communications methods, wherein, supplemental characteristic and the described frequency of utilization that is retained in the described memory function part managed, and the existence/missing data of the control channel data that preferentially will disperse and as the transformat combination of minimum and maximum Discrete service Channel Transmission format combination indication is stored in the described memory function part, simultaneously for other transformat combination indication, according to its frequency of utilization, optionally store the remainder of relevant parameter.
  26. 26. as claim 23 or 24 described data communications methods, the priority that upgrades the described parameter that will use according to the transmission rate control data that provides from network or receiving sensitivity data wherein.
  27. 27. as claim 23 or 24 described data communications methods, wherein regularly in expectation, write in the middle of the applied nonvolatile memory being stored in part or all of described processing parameter in the described memory function part and frequency of utilization data, and in next time and later use, use described processing parameter and the frequency of utilization data that are stored in the described nonvolatile memory.
  28. 28. a program that is used for carrying out in communication system data communications method, described communication system comprise that each all has the emission side and the reception side data communication terminal equipment of the communication function that adopts code division multiple access system, wherein:
    Described emission number formulary according to the decoding function in the encoding function in communication terminal device part and the described reception side data communication terminal equipment partly in computing, transformat frequency of utilization data according to appointment, the Code And Decode that calculates respectively in described coding and decoding function part is handled required parameter, and the parameter that is calculated is retained in the memory function part of self, and parameter for high frequency of utilization, they are read and use and are retained in the parameter in the described memory function part and do not carry out double counting, calculate required power consumption thereby reduced.
  29. 29. program that is used for carrying out data communications method by data terminal, described data terminal has the communication function that adopts code division multiple access system, wherein: the encoding function part in the described data terminal is in calculating operation, calculate the required parameter of its encoding process, and the parameter that is calculated is retained in the memory function part of himself, and parameter for high frequency of utilization, they are read and use and are retained in the parameter in the described memory function part and do not carry out double counting, calculate required power consumption thereby reduced.
  30. 30. program that is used for carrying out data communications method by data terminal, described data terminal has the communication function that adopts code division multiple access system, wherein: the decoding function in the described data communication terminal equipment is partly by computing, calculate the required parameter of its decoding processing, and the parameter that is calculated is retained in the memory function part of himself, and parameter for high frequency of utilization, they are read and use and are retained in the parameter in the described memory function part and do not carry out double counting, calculate required power consumption thereby reduced.
CNA2003101019952A 2002-10-21 2003-10-21 Data communication system, terminal eequipment, method and its program Pending CN1497891A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1973456B (en) * 2004-06-11 2010-09-29 日本电气株式会社 Transport format combination selecting method, wireless communication system, and mobile station
CN101902299A (en) * 2010-02-08 2010-12-01 美商威睿电通公司 Package parameter maintenance method with and the receiver that is suitable for
CN101160735B (en) * 2005-02-25 2011-09-07 日本电气株式会社 Code series transmitting method, radio communication system, transmitter, and receiver

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1973456B (en) * 2004-06-11 2010-09-29 日本电气株式会社 Transport format combination selecting method, wireless communication system, and mobile station
CN101931499A (en) * 2004-06-11 2010-12-29 日本电气株式会社 Transport format combination selecting method, wireless communication system, and mobile station
CN101931499B (en) * 2004-06-11 2016-02-10 日本电气株式会社 Transport format combination selecting method, wireless communication system and mobile radio station
CN101160735B (en) * 2005-02-25 2011-09-07 日本电气株式会社 Code series transmitting method, radio communication system, transmitter, and receiver
CN101902299A (en) * 2010-02-08 2010-12-01 美商威睿电通公司 Package parameter maintenance method with and the receiver that is suitable for
CN101902299B (en) * 2010-02-08 2014-08-20 开曼群岛威睿电通股份有限公司 Package parameter maintenance method and receiver therefore

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