JP2004153437A - Communication equipment and communicating state optimizing system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To make the optimum communication parameter settable through simple optimization. <P>SOLUTION: A plurality of groups of communication parameters having identical combinations of communication parameter types is written in a memory 14 by collecting a plurality of different types of communication parameters into one group. A parameter changing section 20 changes at least one communication parameter of one or more groups stored in the memory 14. A parameter evaluating section 15 evaluates the propriety of the adoption of all groups of communication parameters stored in the memory 14 in accordance with a predetermined evaluating method. A parameter updating section 13 updates and sets the most highly evaluated group of communication parameters among groups evaluated as adoptable by means of the evaluating section 15 as formal communication parameters. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a communication device that performs a communication operation based on a program and a communication state optimization system.
[0002]
[Background Art]
The communication state of the communication device changes depending on, for example, the usage rate of the communication line. In particular, in a portable communication device, the use environment changes due to the movement of the communication device, so that the communication state changes variously.
[0003]
For example, the communication device may perform a communication state optimization process to improve the communication state when the communication state becomes poor. The optimization process performed by the communication device refers to, for example, a plurality of types of communication parameters used for communication control (for example, a signal modulation method, a signal data length, an error correction method, a time-out value, This is a process of resetting the number of retransmissions, the encryption method, the transmission power, etc.) so that the communication state is improved. As an optimization process adopted in a communication device, a table reference method is generally used.
[0004]
In the optimization processing of the table reference method, for example, various communication situations are assumed, and a plurality of types of communication parameters are determined for each communication situation. Then, a combination of a plurality of types of set communication parameters for each communication state is stored in a storage device of the communication device in advance as one group. For example, when the communication state deteriorates, the communication device selects a group of communication parameters according to the communication state and reads out the group from the storage device, and updates a plurality of types of communication parameters of the read group as new regular communication parameters. I do. Thus, the optimization processing of the table reference method is performed. After the end of the optimization process, the communication device performs communication control based on the updated plural kinds of communication parameters.
[0005]
In addition, although the prior art document was searched, there was no appropriate prior art document to be described.
[0006]
[Problems to be solved by the invention]
However, there is a following problem in the optimization processing of the table reference method. That is, the communication status of the communication device changes in various ways, and the communication status may be other than the expected status. In this case, since a group of communication parameters suitable for the communication state is not given to the communication apparatus, the communication apparatus may not be able to maintain a good communication state under an unexpected communication state. is there.
[0007]
In order to avoid such a problem, it is conceivable that a group of communication parameters is created assuming more communication situations, and a number of groups of communication parameters are given to the communication device in advance. However, this causes a problem that it takes a lot of time to create many groups of communication parameters. Further, the communication device requires a large-capacity storage device. In the case of a portable mobile terminal device, the communication status varies depending on the movement of the device, so that the number of communication parameter groups corresponding to various communication statuses becomes enormous. Therefore, in the case of a mobile type mobile terminal device, it takes a lot of time particularly to create a group of communication parameters, and since the device tends to be small, it is difficult to mount a large storage device. It is not realistic to provide a storage device with a huge group of communication parameters corresponding to various communication situations in advance.
[0008]
SUMMARY An advantage of some aspects of the invention is to provide a communication apparatus and a communication apparatus that can easily perform a communication state optimization process with a simple process to improve a communication state with high accuracy. It is to provide a state optimization processing system.
[0009]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides means for solving the above problems with the following configuration. That is, a communication device according to the present invention includes a memory in which a plurality of groups of communication parameters in which a plurality of different types of communication parameters are grouped into one group and the combination of the types of communication parameters are the same are stored in units of one or more groups. At least one of crossover between groups of the same type of communication parameters and mutation of the communication parameters according to a predetermined rule, and at least one communication parameter of one or more groups stored in the memory. A parameter changing unit for changing communication parameters, a parameter evaluating unit for evaluating whether communication parameters can be adopted in a group unit according to a predetermined evaluation method, and a communication of a group having the highest evaluation evaluated as being adoptable by the parameter evaluating unit. Update and set parameters as regular communication parameters used for communication operation It is characterized by the parameter updating portion.
[0010]
Further, a communication state optimization processing system of the present invention is a communication state optimization processing system of a communication device having a communication device and a server to which the communication device is connected wirelessly or by wire. In the present invention, a configuration of a specific communication device is provided, and a parameter transmission unit that transmits information of the updated communication parameter to the server in a group unit each time the communication parameter is updated and set by the parameter update unit is provided. The server is provided with communication parameter storage means for storing communication parameters transmitted from the communication device in units of groups, and the communication device further comprises a communication parameter of the server for each predetermined timing. Communication parameters that take in communication parameter information in groups by download from storage means And downloading unit, it is characterized in that a parameter writing unit for storing the communication parameters that downloaded into the memory is provided.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0012]
The communication device according to the first embodiment is characterized in that a genetic algorithm is used in a part of the communication state optimizing process. The details are described below. Note that there are a wide variety of communication devices including portable mobile terminal devices. Here, any communication device that performs a communication control operation using a communication parameter according to a program may be used, and a description of the configuration of the communication device other than the configuration related to the communication state optimizing process is omitted. .
[0013]
As shown in the block diagram of FIG. 1, the control device 2 constituting the communication device 1 of the first embodiment includes a storage unit 3, a communication control unit 4, a communication status monitoring unit 5, a clock mechanism 6 And a communication parameter optimization processing unit 7. The storage unit 3 includes a program storage unit 10 and a communication parameter storage unit 11.
[0014]
The communication parameter optimization processing unit 7 includes a parameter update unit 13, a memory 14, a parameter evaluation unit 15, a parameter change start command unit 16, a parameter initialization unit 17, a parameter initialization necessity determination unit 18, It has a parameter change canceling unit 19 and a parameter changing unit 20, and the parameter changing unit 20 is configured to have a parameter crossover unit 21, a parameter mutation unit 22, and a parameter selection / proliferation unit 23. ing.
[0015]
The program storage unit 10 of the storage unit 3 stores a communication control operation program indicating a control procedure of the communication operation. The communication parameter storage unit 11 stores a plurality of types of communication parameters (for example, a signal modulation method, a signal data length, an error correction method, a timeout value, a retransmission when an error occurs, For example, the number of times, an encryption method, and transmission power are stored.
[0016]
The communication control unit 4 controls the communication operation of the communication device 1 using the communication parameters stored in the communication parameter storage unit 11 according to the communication control operation program stored in the program storage unit 10. Thus, the communication device 1 communicates with the outside by wire or wirelessly.
[0017]
The communication status monitoring means 5 has a configuration for capturing communication status information from the communication control means 4 and monitoring the communication status using the captured information. The communication status includes, for example, a number of conditions such as a communication speed of a signal, a response time from when a signal is transmitted to a communication partner such as a server until a signal is returned from the server, and a number of times of occurrence of a communication error. In the first embodiment, the communication status monitoring means 5 includes at least one predetermined communication status including at least a communication status used for evaluation by the parameter evaluation unit 15 described later from among the communication statuses. Monitoring.
[0018]
The parameter change start command section 16 of the communication parameter optimization processing section 7 issues a command to start a parameter change operation for updating the communication parameters stored in the communication parameter storage section 11, thereby optimizing the communication state. Has a configuration for instructing the start of. Various timings including, for example, the following (1) to (4) can be considered as the start timing of the optimization processing.
[0019]
(1) When the elapsed time from the end of the previous optimization processing exceeds a predetermined time.
(2) When the communication speed has dropped beyond a predetermined allowable range from the communication speed immediately after the end of the previous optimization process.
(3) For example, every time a set time (for example, 30 minutes or 2 hours) elapses, or when a predetermined time is reached, such as at a predetermined time every day.
(4) When the user of the communication device 1 issues a request for starting the optimization process using the external input means (for example, key button) 8.
[0020]
In the first embodiment, one or more of a plurality of timing conditions including the start timings (1) to (4) are predetermined as communication parameter update timing conditions. The parameter change start command unit 16 issues a parameter change operation start command when determining that the state of the communication device 1 satisfies the determined communication parameter update timing condition.
[0021]
Specifically, for example, when the condition of the start timing (1) is defined as the communication parameter update timing condition, the parameter change start command unit 16 determines, for example, based on operation information of the parameter update unit 13 described later. When the completion of the optimization process is detected, the time information at that time is taken in from the clock mechanism 6. Then, the parameter change start command unit 16 fetches the clock information of the clock mechanism 6 from time to time and, based on the clock information and the time information at the time of ending the optimization processing, the time elapsed from the end of the previous optimization processing. Time is detected every moment. Then, the parameter change start command section 16 compares the detected elapsed time with a preset optimization processing start determination time, and detects that the detection elapsed time exceeds the optimization processing start determination time. Then, a command to start a parameter change operation is issued.
[0022]
Further, for example, when the condition of the start timing (2) is defined as the communication parameter update timing condition, the parameter change start command unit 16 detects, for example, that the optimization process has been completed in the same manner as described above. When it is detected using the clock mechanism 6 that a predetermined period of time (for example, a period in which the transition period of the communication state caused by the change of the communication parameter due to the optimization process is considered to be ended) is detected, The communication speed information is taken in from the communication status monitoring means 5 as the communication speed information immediately after the end of the optimization. Further, the parameter change start command section 16 fetches the communication speed information from the communication status monitoring means 5 from time to time, and compares the fetched communication speed information with the communication speed information immediately after the end of the optimization. As a result of the comparison, the parameter change start command unit 16 starts the parameter change operation when it detects that the communication speed has dropped below a predetermined allowable range from the communication speed immediately after the end of the optimization. Issue a command.
[0023]
Further, for example, when the condition of the start timing (3) is defined as the communication parameter update timing condition, the parameter change start command unit 16 fetches the time information of the clock mechanism 6 every moment and adds the time information to the time information. A command to start a parameter changing operation is issued each time a predetermined time is set based on the time.
[0024]
Furthermore, for example, when the condition of the start timing (4) is defined as the communication parameter update timing condition, the parameter change start command unit 16 allows the user of the communication device 1 to operate the external input unit 8. When it is detected that a request to start the optimization process has been issued, a command to start a parameter changing operation is issued.
[0025]
The parameter initialization necessity determining unit 18 starts the operation of the parameter initialization unit 17 according to a predetermined determination method when detecting that the parameter change start instruction unit 16 has issued a parameter change operation start command. It is determined whether or not to make it. There are various methods for the determination, and any of the methods may be employed here. For example, an operation start condition of the parameter initialization unit 17 is determined in advance, for example. When the parameter initialization necessity determining unit 18 detects that a parameter change operation start command is issued from the parameter change start command unit 16, it determines whether or not the operation start condition of the parameter initialization unit 17 is satisfied. Judge. As the operation start condition of the parameter initialization unit 17, for example, it is estimated that the communication state has significantly changed, such as a large decrease in the communication speed, or a long time has elapsed since the previous initialization of the communication parameters. And the like.
[0026]
When the parameter initialization necessity determination unit 18 determines that the operation of the parameter initialization unit 17 is to be started as a result of the above determination, it issues an operation start command to the parameter initialization unit 17. When the parameter initialization necessity determination unit 18 determines that the operation of the parameter initialization unit 17 is unnecessary, it issues an operation start command to the parameter change unit 20.
[0027]
After receiving the operation start command from the parameter initialization necessity determination unit 18, the parameter initialization unit 17 determines that the communication device 1 is in an idle state (paused) based on information from the communication status monitoring unit 5 (that is, paused). When the communication apparatus 1 detects that the communication with the outside has not been continuously performed for a set time or longer), a combination of a plurality of types of communication parameters is set as one group according to a predetermined parameter initialization program. A plurality of communication parameter groups are newly created with the same combination of communication parameter types.
[0028]
FIG. 2A shows a specific example of the plurality of communication parameter groups by an image diagram. In the example of FIG. 2A, the communication parameter group A is a parameter a which is a communication parameter a representing a modulation method determined according to the communication speed by the communication speed. _A (For example, 54 Mbps) and a parameter b which is a communication parameter b of a data length. _A (For example, 128 bytes) and a parameter c which is a communication parameter c of a timeout value. _A (For example, 5 seconds) and a parameter d which is a communication parameter d of the number of retransmissions at the time of error. _A (For example, three times),..., The communication parameter group A is configured by a combination of a plurality of types of communication parameters a to g.
[0029]
The communication parameter group B includes a parameter a which is a communication parameter a of a modulation method (communication speed). _B (For example, 48 Mbps) and a parameter b which is a communication parameter b of a data length. _B (For example, 256 bytes) and a parameter c which is a communication parameter c of a timeout value. _B (For example, 7 sec),..., A communication parameter group B is constituted by a combination of a plurality of types of communication parameters a to g having the same combination of the types of communication parameters as the communication parameter group A.
[0030]
Similarly, regarding the communication parameter groups C and D, the communication parameter groups C and D are respectively configured by a combination of a plurality of types of communication parameters a to g having the same combination of the types of the communication parameters as the communication parameter groups A and B. .
[0031]
The parameter initialization unit 17 overwrites and stores the newly created communication parameter groups in the memory 14 to initialize the communication parameter groups in the memory 14.
[0032]
The parameter evaluation unit 15 is configured to evaluate the adoption of the communication parameters stored in the memory 14 on a group basis at a predetermined timing according to a predetermined evaluation method. In the first embodiment, the timing at which the parameter evaluation unit 15 evaluates the communication parameters is determined when the initialization of the communication parameter group in the memory 14 is detected based on the operation information of the parameter initialization unit 17. Are set when it is detected that the operation of the parameter mutation unit 22 of the parameter changing unit 20 described later has ended.
[0033]
In the first embodiment, the parameter evaluation unit 15 evaluates the communication parameters stored in the memory 14 as described below. For example, when detecting that it is the communication parameter evaluation timing, the parameter evaluation unit 15 transmits a test operation start command to the communication control unit 4. Upon receiving the test operation start command, the communication control unit 4 reads out the communication parameters stored in the memory 14 in units of groups, and performs a trial communication operation using the communication parameters of each group in units of groups.
[0034]
The parameter evaluation unit 15 fetches, from the communication status monitoring unit 5, monitoring information of the communication status during the trial communication operation by the communication control unit 4, and evaluates the communication parameters on a group basis based on the monitoring information. For example, during a test communication, a plurality of communication conditions such as a communication speed, a response speed, and the number of errors are actually measured, and an evaluation degree is detected for each communication parameter group using the measured data. As a method of detecting the evaluation degree, for example, a mathematical expression for calculating the evaluation degree using actual measurement data of a plurality of communication situations may be given in advance, and the evaluation degree may be calculated according to the mathematical expression. Alternatively, a reference value may be determined in advance for each of the communication situations, and the evaluation degree may be detected by using a deviation amount of measured data with respect to the reference value.
[0035]
In addition, when actually measuring a plurality of communication situations and detecting an evaluation degree based on the mounting data as described above, the communication situations that should be regarded as important in the communication situations are not treated as being equal to each other. May be configured to detect the evaluation degree by weighting. Furthermore, instead of actually measuring a plurality of communication situations, it is also possible to adopt a configuration in which only the most important communication situation is actually measured, and the evaluation level is detected only with the communication situation. As described above, there are various methods for detecting the evaluation degree, and any of these methods may be employed here. In the case where there is a plurality of communication situations that need to be regarded as important, information for designating the communication situation to be regarded as important may be given to the communication apparatus 1 in advance, or use of the communication apparatus 1 may be performed. The user may use the external input means 8 to input from outside.
[0036]
The parameter evaluation unit 15 determines whether or not each communication parameter group can be adopted as a regular communication parameter based on the evaluation degree detected as described above. Then, when all the communication parameter groups stored in the memory 14 have been evaluated as not to be adopted, the parameter evaluation unit 15 issues an operation start command to the parameter change unit 20.
[0037]
When the parameter evaluation unit 15 determines that at least one communication parameter group stored in the memory 14 can be adopted by the determination of the adoption, the parameter evaluation unit 15 notifies that there is an applicable communication parameter group. The signal is output to the parameter updating unit 13 and the parameter change canceling unit 19.
[0038]
In the first embodiment, the communication state optimizing process is performed when the communication apparatus 1 is in the idle state. The operation is also performed during the idle state. Therefore, it is possible to avoid inconvenience (for example, a situation where a normal communication operation is interrupted) due to the test communication operation. By the way, since the test communication actually uses the communication line, for example, the communication line is congested, and the test communication further increases the usage rate of the communication line and uses the communication line. There is a possibility that adverse effects such as deterioration of the communication speed will be exerted on other communication devices. In such a case, the optimization processing may be interrupted.
[0039]
The parameter change canceling unit 19 outputs an operation cancel command to the parameter changing unit 20 when receiving a signal from the parameter evaluating unit 15 indicating that there is a communication parameter group that can be adopted. Upon receiving the operation cancel command, the parameter changing unit 20 stops starting or continuing the parameter changing operation.
[0040]
When the parameter updating unit 13 detects that at least one or more communication parameter groups stored in the memory 14 have been evaluated by the parameter evaluation unit 15 to be adoptable, the parameter updating unit 13 is evaluated as adoptable. The communication parameters of the group with the highest evaluation are read from the memory 14. Then, the parameter updating unit 13 overwrites and stores the read communication parameters of the group in the communication parameter storage unit 11 as regular communication parameters, and updates and sets them.
[0041]
The parameter change unit 20 receives an operation start command from the parameter evaluation unit 15 after receiving a parameter change operation start command from the parameter change start command unit 16, that is, all communication stored in the memory 14. The operation starts when it is detected that the parameter group has been evaluated for adoption.
[0042]
In the first embodiment, the parameter crossing unit 21 of the parameter changing unit 20 reads out all the communication parameter groups stored in the memory 14 and divides the communication parameter groups into groups of two. Then, the parameter crossing unit 21 exchanges at least one type of communication parameter for each group. For example, in the specific example shown in the image diagram of FIG. 2B, a communication parameter group A and a communication parameter group B form a set. In this set, the parameter crossover unit 21 uses three types of communication parameters c to e. Has been replaced. Further, a communication parameter group C and a communication parameter group D form a set, and in this set, three types of communication parameters of communication parameters e to g are exchanged by the parameter crossing unit 21.
[0043]
After the parameter exchange operation is completed, the parameter crossover unit 21 overwrites and stores all communication parameter groups in the memory 14.
[0044]
When detecting that the operation of the parameter crossing unit 21 has been completed based on the operation information of the parameter crossing unit 21, the parameter mutation unit 22 reads out all the communication parameter groups stored in the memory 14. Then, the parameter mutation unit 22 replaces one or more communication parameters that constitute at least one of all the communication parameter groups according to a predetermined rule. For example, in the specific example shown in the image diagram of FIG. 2C, the communication parameter d of the communication parameter group A mutates to the parameter X, and the communication parameter b of the communication parameter group D mutates to the parameter Y. I have.
[0045]
After the parameter replacement (mutation) operation is completed, the parameter mutation unit 22 overwrites and stores all communication parameter groups in the memory 14 and outputs an evaluation start command to the parameter evaluation unit 15. According to this command, the parameter evaluation unit 15 starts operating.
[0046]
The parameter selection / proliferation unit 23 takes in the information on the result of the evaluation by the parameter evaluation unit 15 and, based on the information, detects that all the communication parameter groups stored in the memory 14 are not to be used. Among the communication parameter groups, the communication parameter groups with low evaluations are eliminated from the memory 14, and the communication parameter groups with high evaluations among the communication parameter groups not adopted are multiplied.
[0047]
As a specific example, for example, all of the plurality of communication parameter groups A to D shown in FIG. 2C are evaluated as to whether or not they are adopted, and among the communication parameter groups A to D, the evaluation of the communication parameter group B is the worst. If the communication parameter group A has the highest evaluation, the parameter selection / proliferation unit 23 selects the communication parameter group B with the worst evaluation from the memory 14, as shown in FIG. . Further, the parameter selection / proliferation unit 23 reads the communication parameter group A with the highest evaluation from the memory 14 and creates an additional group A ′ having the same communication parameters as the communication parameters of the communication parameter group A as components. (make a copy). The parameter selection / proliferation unit 23 writes the additional group A ′ into the memory 14.
[0048]
The control device 2 of the communication device 1 according to the first embodiment is configured as described above. Hereinafter, an example of the optimization processing operation in the control device 2 will be described with reference to the flowchart of FIG.
[0049]
First, in step 101, when a start command of a parameter change operation is issued from the parameter change start command unit 16, in step 102, the parameter initialization necessity determination unit 18 initializes the communication parameter group stored in the memory 14. Judge whether conversion is necessary. When the parameter initialization necessity determination unit 18 determines that the communication parameter group needs to be initialized by this determination, in step 103, the parameter initialization unit 17 creates a plurality of new communication parameter groups, The new plurality of communication parameter groups are overwritten and stored in the memory 14.
[0050]
After that, in step 104, the parameter evaluation unit 15 evaluates the adoption of each of the communication parameter groups stored in the memory 14 one by one.
[0051]
After the evaluation of all the communication parameter groups stored in the memory 14 is completed, in step 105, it is determined whether any of the communication parameter groups stored in the memory 14 has been evaluated to be adoptable. By deciding whether or not to end the optimization processing, it is decided.
[0052]
When it is determined in step 105 that the optimization process is to be continued because all communication parameter groups stored in the memory 14 are evaluations of adoption / non-adoption, the parameter initialization necessity determination unit 18 is again determined in step 102. Determines whether the communication parameter group needs to be initialized. In this case, for example, the parameter initialization necessity determination unit 18 determines whether the evaluation degree of the communication parameter group detected by the parameter evaluation unit 15 is lower than a predetermined evaluation degree for initialization determination. I do. When the parameter initialization necessity determination unit 18 determines that the evaluations of all the communication parameter groups stored in the memory 14 are lower than the evaluations for the initialization determination, the parameter initialization of the memory 14 is performed. It is determined that initialization is necessary. According to this determination, the operation after step 103 is repeatedly performed.
[0053]
When the parameter initialization necessity determination unit 18 determines that the evaluation level of one or more communication parameter groups stored in the memory 14 is equal to or higher than the evaluation level for initialization determination, it is stored in the memory 14. Although all the communication parameter groups are evaluated for adoption by the parameter evaluation unit 15, it is determined that the communication parameter groups in the memory 14 need not be initialized.
[0054]
Thereafter, in step 106, the parameter selection / proliferation unit 23 operates. In other words, the parameter selection / propagation unit 23 selects from the memory 14 the communication parameter groups with low evaluations among the communication parameter groups that are not adopted, and propagates the communication parameter groups with high evaluations.
[0055]
Next, in step 107, the parameter crossing unit 21 operates. That is, the parameter crossing unit 21 exchanges the communication parameters of the communication parameter group stored in the memory 14.
[0056]
Thereafter, in step 108, the parameter mutation unit 22 performs a mutation operation of replacing one or more communication parameters of at least one of all communication parameter groups stored in the memory 14 with another parameter. .
[0057]
Thereafter, in step 104, the parameter evaluation unit 15 evaluates the communication parameter group stored in the memory 14 as described above. Then, in step 105, it is determined whether to end the optimization processing as described above. Until it is determined that the optimization process is to be ended in the determination operation of step 105, the operation of step 102 and thereafter is repeatedly performed.
[0058]
When it is determined in step 105 that the optimization process is to be terminated, in step 109, the parameter updating unit 13 sets the communication parameter of the communication parameter group having the highest evaluation among the evaluations of the applicability as a normal communication parameter. The data is updated and stored in the communication parameter storage unit 11, and the optimization process ends.
[0059]
Note that if normal communication of the communication device 1 is started during the above-described optimization processing, the optimization processing ends immediately and the processing shifts to a normal communication operation.
[0060]
Further, in the specific example of FIGS. 2A to 2D shown in the first embodiment, the number of communication parameter groups stored in the memory 14 is four, but the number of communication parameter groups stored in the memory 14 is four. The number of communication parameter groups to be used is not limited to the number as long as it is plural.
[0061]
Further, in the specific example, the parameter selection / proliferation unit 23 selects, from the memory 14, the communication parameter group with the lowest evaluation among the communication parameter groups that are not adopted. For example, the communication parameter group stored in the memory 14 When the number of groups is large, for example, the one with the lowest evaluation and the one with the second lowest evaluation may be selected from the memory 14. As described above, the conditions of the communication parameter groups to be eliminated from the memory 14 and the number of communication parameter groups to be eliminated may be appropriately set. The same applies to the propagation. For example, the condition and the number of the communication parameter groups to be propagated are such that not only the one with the highest evaluation but also the one with the second highest evaluation may be propagated. It may be set appropriately.
[0062]
Further, in the first embodiment, the operation of the parameter changing unit 20 is repeatedly performed until one or more communication parameter groups stored in the memory 14 are evaluated as being adoptable by the communication status monitoring unit 5. Although the optimization process is configured to continue, for example, when the number of repetitions of each operation of the parameter selection / proliferation unit 23, the parameter crossover unit 21, and the parameter mutation unit 22 reaches the set number, the optimization process is performed. May be terminated. In addition, even if each operation of the parameter selection / proliferation unit 23, the parameter crossover unit 21, and the parameter mutation unit 22 is repeated many times, the communication parameter group stored in the memory 14 can be evaluated as being applicable. If there is no data, and if the variation in the evaluation of the communication parameter group stored in the memory 14 falls within the set range, the optimization processing may be terminated.
[0063]
As described above, when there is no communication parameter group stored in the memory 14 that can be evaluated as adoptable, when the optimization process is terminated, for example, At the end, the communication parameter of the communication parameter group having the highest evaluation among the communication parameter groups stored in the memory 14 may be updated and stored in the communication parameter storage unit 11 as a regular communication parameter, or may be stored in the communication parameter storage unit. The communication parameters stored in 11 may be continuously used without updating.
[0064]
Hereinafter, a second embodiment will be described. The second embodiment relates to a communication state optimization processing system. As shown in the model diagram of FIG. 4, the communication state optimizing processing system of the second embodiment has a communication device 1 having a unique configuration shown in the first embodiment and a communication device 1 having a wired or And a server 25 connected wirelessly. In the description of the second embodiment, the same components as those of the first embodiment are denoted by the same reference numerals, and the overlapping description of the common portions will be omitted.
[0065]
In the communication state optimization processing system according to the second embodiment, as shown in FIG. 5, the control device 26 of the server 25 includes a communication parameter storage unit 28, a parameter reading unit 29, a reception frequency calculating unit 30, , A parameter writing unit 31. Further, the control device 2 of the communication device 1 is provided with a parameter transmission unit 33 in addition to the configuration of the first embodiment, and the communication parameter optimization processing unit 7 of the control device 2 includes In addition to the configuration of the example, a communication parameter download unit 34 and a parameter writing unit 35 are provided. In FIG. 5, illustration of the program storage unit 10, the parameter evaluation unit 15, the parameter change start command unit 16, the parameter change cancel unit 19, and the parameter change unit 20 is omitted for simplification of the drawing. ing.
[0066]
The parameter transmitting unit 33 of the communication device 1 detects that the parameter updating unit 13 has updated and stored the communication parameter in the communication parameter storage unit 11 based on the operation information of the parameter updating unit 13 of the communication parameter optimizing processing unit 7. Each time, the updated communication parameter information is read out from the communication parameter storage unit 11 in group units, and the communication parameter information is transmitted to the server 25 via the communication control unit 4 in group units. In the second embodiment, when transmitting the communication parameters, predetermined communication device information such as the capability and the model of the communication device 1 is also transmitted.
[0067]
The parameter writing unit 31 of the server 25 receives the communication parameter information transmitted from the communication device 1 and stores the received communication parameters in the communication parameter storage unit 28 in groups.
[0068]
The parameter writing unit 31 may be configured to simply store the communication parameter information received from the communication device 1 in the communication parameter storage unit 28. In the second embodiment, the communication device 1 transmits the communication parameter information. The communication parameter information that has been received is classified according to the model, capability, and the like of the communication device 1, and is further provided with reception frequency information and stored in the communication parameter storage unit 28.
[0069]
That is, when the server 25 receives the communication parameter information from the communication device 1, the reception frequency calculation unit 30 fetches the received communication parameter information and also fetches the communication device information, and based on the communication device information, A communication parameter group of a class to which the received communication parameter information corresponds is detected. Then, the reception frequency calculation unit 30 checks the information of the received communication parameter group against the information of the communication parameter group registered in the detected communication parameter group. The reception frequency calculation unit 30 calculates the reception frequency of the received communication parameter group by using the matching result.
[0070]
The parameter writing unit 31 detects a communication parameter group of a classification corresponding to the received communication parameter group based on the communication device information transmitted from the communication device 1, and detects a communication registered in the detected communication parameter group. When it is detected that the same communication parameter group as the received communication parameter group (that is, all communication parameters constituting the communication parameter group are equal) is registered in the parameter group, the received communication parameter group is detected. Is overwritten and stored in the communication parameter storage unit 28, and the reception frequency calculated by the reception frequency calculation unit 30 is stored in association with the information.
[0071]
When the parameter writing unit 31 detects that the same communication parameter group as the received communication parameter group is not registered in the detected communication parameter group, the parameter writing unit 31 calculates the reception calculated by the reception frequency calculation unit 30. The information of the received communication parameter group is additionally registered in the detected communication parameter group in association with the frequency.
[0072]
Further, when detecting that there is no classification corresponding to the received communication parameter group based on the communication device information transmitted from the communication device 1, the parameter writing unit 31 creates a new classification and performs the new classification. The information of the received communication parameter group is stored in the communication parameter storage means 28.
[0073]
The communication parameter download unit 34 configuring the communication parameter optimization processing unit 7 of the communication device 1 sends a communication parameter group transmission request to the server 25 to the server 25 via the communication control unit 4 at each predetermined timing. It has a configuration for transmitting. In the second embodiment, the timing at which the communication parameter download unit 34 issues a transmission request is detected by the parameter initialization necessity determination unit 18 when it is determined that the communication parameter group in the memory 14 needs to be initialized. When it is set.
[0074]
Upon receiving the communication parameter group transmission request signal from the communication device 1, the parameter reading unit 29 of the server 25 reads the information on the communication parameter group stored in the communication parameter storage unit 28 and transmits the information to the communication device 1.
[0075]
In the second embodiment, the communication parameter download unit 34 transmits, to the server 25, not only the communication parameter group transmission request but also communication device information and information on the number of communication parameter groups to be transmitted. It has a configuration. The parameter reading unit 29 is registered in a communication parameter group of a classification corresponding to the communication device based on the communication device information transmitted from the communication device 1 and information on the number of communication parameter groups desired to be transmitted. The configuration is such that the number of communication parameter groups corresponding to the number of requests is read from the communication parameter groups and transmitted to the communication device 1. Note that the parameter reading unit 29 may be configured to read the communication parameter group from the one with the highest reception frequency, or may be configured to read the communication parameter group at random.
[0076]
The communication parameter download unit 34 outputs the information of the communication parameter group transmitted by the parameter reading unit 29 of the server 25 to the parameter writing unit 35. The parameter writing unit 35 updates and stores the received communication parameter group information in the memory 14. Thereby, the communication parameter group in the memory 14 is initialized.
[0077]
As described above, when the communication parameter group of the memory 14 is initialized using the information of the communication parameter group stored in the server 25, the parameter initialization unit 17 can be omitted.
[0078]
The configuration of the communication device 1 other than the initialization of the communication parameter group is the same as that of the first embodiment. FIG. 6 is a flowchart illustrating an operation example of the optimization process in the communication device 1 according to the second embodiment. In the example of the optimization processing operation shown in FIG. 6, the optimization processing operation of FIG. 3 described in the first embodiment except for the operation of using the download in the initialization of the communication parameter group of the memory 14 in step 103 ′. Is the same as in the example.
[0079]
In the second embodiment, the communication parameter group in the memory 14 is initialized only by the communication parameter group obtained by downloading from the server 25. For example, the communication parameter group obtained by downloading from the server 25 is used. The communication parameter group of the memory 14 may be initialized using both the parameter group and the communication parameter group newly created by the parameter initialization unit 17. In addition, the communication parameter group initialization by the parameter initialization unit 17 and the communication parameter group initialization by download are configured to be selectable, and the user of the communication device 1 or the one selected by automatic selection is used. The configuration may be such that the communication parameter group is initialized by a technique.
[0080]
Note that the present invention is not limited to the first and second embodiments, but can adopt various embodiments. For example, in each of the first and second embodiments, the parameter changing unit 20 of the communication device 1 performs both the crossover of the communication parameters and the mutation of the communication parameters to perform the communication stored in the memory 14. Although the configuration is such that the parameter is changed, for example, the configuration may be such that only one of crossover and mutation of the communication parameter is performed.
[0081]
In each of the first and second embodiments, the parameter initialization necessity determination unit 18 is provided, and the parameter initialization operation of the parameter change unit 20 is started by the parameter initialization necessity determination unit 18. It is determined whether the communication parameters stored in the memory 14 need to be initialized before, and the communication parameters of the memory 14 have been initialized only when it is determined that the initialization is necessary. For example, when the communication environment is likely to fluctuate due to movement as in a portable mobile terminal device, the communication parameters of the memory 14 are always initialized before the parameter changing operation of the parameter changing unit 20 is started. It may be configured. In this case, the parameter initialization necessity determination unit 18 can be omitted.
[0082]
Further, in the second embodiment, in the communication parameter storage unit 28 of the server 25, the information of the communication parameter group is classified according to the capability, the model, and the like of the communication device 1. However, the information is simply classified without being classified. Communication parameter information may be stored in the communication parameter storage unit 28.
[0083]
Furthermore, in the second embodiment, in the communication parameter storage unit 28 of the server 25, the communication frequency group information is associated with the reception frequency information. For example, the communication parameter group is transmitted from the server 25 to the communication device 1. Is transmitted, when transmitting all the communication parameter groups stored in the server 25, or at least one communication parameter selected at random from all the communication parameter groups of the server 25. In the case where the group is transmitted to the communication device 1, the reception frequency is not used. In such a case, the reception frequency information does not need to be associated with the communication parameter group information. Can be omitted.
[0084]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to the communication apparatus of this invention, while providing the memory which memorize | stores the communication parameter of several groups which made the several combination of communication parameters into one group and made the same combination of the types of communication parameter into a group unit, A parameter changing unit that performs at least one of crossover between groups of one or more communication parameters of the same type and mutation of communication parameters according to a predetermined rule, and stores the result in a memory. And a configuration for changing at least one communication parameter of at least one of the groups. Further, the applicability of the communication parameters stored in the memory is evaluated for each group. The communication parameters of the highest rated group are updated and set as regular communication parameters. With a configuration that.
[0085]
The optimization processing of the communication parameters having this configuration can be performed by a simple program, and can be used to store data of a large number of communication parameters in advance as in the optimization processing of the table reference method. There is no need to provide a large-capacity storage device.
[0086]
Further, in the case of the optimization processing of the table reference method, there is a limit to the number of communication parameter groups that can be given to the communication device due to, for example, a limitation due to the capacity of the storage device. For this reason, there is a possibility that it is not possible to sufficiently cope with various changes in communication conditions. On the other hand, according to the present invention, a new communication parameter group is created by changing at least one communication parameter of one or more groups stored in the memory by the program change unit. It is possible to create an appropriate group of communication parameters according to a change in the situation, thereby flexibly responding to a change in the communication situation. In particular, when the communication device is a portable mobile terminal device, the communication status is likely to fluctuate due to the movement of the communication device, and the communication status is various, so that the communication status can be appropriately coped with. The possible configuration of the present invention is very effective for portable mobile terminal equipment.
[0087]
A configuration is provided in which a parameter selection / proliferation unit is provided, and the parameter selection / proliferation unit selects at least a group of communication parameters with the lowest evaluation, and also propagates a group of communication parameters with high evaluation. In the apparatus provided with the above, the parameter changing unit can efficiently create a group of highly evaluated communication parameters that can be adopted.
[0088]
A communication status monitoring unit is provided, and after the operation of changing the communication parameters by the parameter changing unit is completed, the communication operation is experimentally performed by using the communication parameters of each group stored in the memory on a group basis. A communication device for evaluating a communication parameter based on communication condition monitoring information during a trial communication operation from a communication condition monitoring means, wherein a communication device is provided for each communication parameter group in a memory. It is possible to perform an accurate evaluation according to the communication situation in which is placed.
[0089]
A parameter update start command section is provided, and the operation of the parameter change section is started by the parameter update start command section, or the parameter change section is set at every predetermined time based on the clock information of the clock mechanism. In the configuration in which the operation of (1) is started, the communication device user automatically optimizes the communication parameters without, for example, performing a key operation, thereby improving the convenience of the communication device. Can be done.
[0090]
Further, in a device having a configuration in which the operation of the parameter changing unit is started by an external command using an external input unit of the communication device, for example, a user of the communication device wants to improve a communication state. When the user thinks, the communication parameter optimization process is started in accordance with the need, and the communication status can be improved by the optimization process. It is possible to prevent pleasure from being given to the user of the communication device.
[0091]
A parameter initialization necessity determination unit is provided, and is configured to determine whether it is necessary to initialize a group of communication parameters stored in the memory before starting operation of the parameter change unit. For example, when the communication environment when trying to optimize the communication parameters does not fluctuate significantly from the communication environment when the previous optimization processing was performed, the optimization processing may be performed extremely. In a short time. In other words, if the communication environment when trying to optimize the communication parameters does not significantly fluctuate from the communication environment when the previous optimization processing was performed, an appropriate communication parameter suitable for the communication environment will be used. Since the group is close to the group of communication parameters obtained by the previous optimization processing, the parameter changing unit can be used by directly using the group of communication parameters stored in the memory by the previous optimization processing. By the operation described above, a group of communication parameters appropriate for the communication situation can be obtained in a short time.
[0092]
When the parameter change unit has a parameter crossover unit, a parameter mutation unit, and a parameter selection / proliferation unit, the communication parameter optimization process can be performed very easily and quickly. It can be carried out.
[0093]
According to the communication state optimization processing system of the present invention, information of a group of communication parameters adopted by the communication device connected to the server by the optimization process is stored in the server, and the communication device transmits the information from the server to the storage device. A configuration is provided in which the information of the group of the communication parameters set is taken in and stored in the memory.
[0094]
Since the communication parameter information stored in the server has been adopted as a regular communication parameter, it is possible to obtain an evaluation of adoption or obtain an evaluation of adoption. It is considered that an evaluation of adoption can be obtained with a little operation of the parameter changing unit even if it is not possible. Therefore, it is possible to shorten the time required for the communication state optimizing process, and it is more likely that a better communication state can be obtained.
[0095]
Further, in the case where the memory stores information on communication parameters obtained by downloading and information on communication parameters newly created by the parameter initialization unit, the parameter changing unit may be used. For example, by exchanging one or more types of communication parameters between a group of communication parameters obtained by download and a group of newly created communication parameters, an unprecedented combination of new communication parameters can be obtained. It can be composed. Therefore, the probability that a group of communication parameters more suitable for the communication state can be formed increases.
[0096]
Further, among the communication parameter groups stored in the server, if the communication frequency information is associated with the communication parameter group, the communication device downloads the communication frequency group having the higher reception frequency and further optimizes the communication parameter. The time required for processing can be reduced.
[Brief description of the drawings]
FIG. 1 is a block diagram illustrating an example of a characteristic control configuration in a communication device according to a first embodiment.
FIG. 2 is a diagram for explaining a specific example of a parameter changing operation using a genetic algorithm of a parameter changing unit shown in the first embodiment.
FIG. 3 is a flowchart illustrating an operation example of a communication parameter optimizing process in the communication device according to the first embodiment.
FIG. 4 is a model diagram showing an example of a relationship between a communication device and a server constituting a communication state optimization processing system according to a second embodiment;
FIG. 5 is a block diagram illustrating a control configuration example of a communication state optimization processing system according to a second embodiment;
FIG. 6 is a flowchart showing an operation example of a communication parameter optimizing process in the communication device shown in the second embodiment.
[Explanation of symbols]
1 Communication device
5 Communication status monitoring means
6 Clock mechanism
11 Communication parameter storage
13 Parameter update section
14 memory
15 Parameter evaluation unit
16 Parameter change start command section
17 Parameter initialization section
18 Parameter initialization necessity judgment part
20 Parameter change section
21 Parameter crossover
22 Parameter Mutation
23 Parameter Selection and Propagation Section
25 Server
28 Communication parameter storage means
30 Receiving frequency calculation unit
34 Communication parameter download section

Claims (12)

A memory in which communication parameters of a plurality of groups in which a plurality of different types of communication parameters are combined into one group and the same combination of types of communication parameters is stored in a group unit, and a memory between one or more groups of one or more communication parameters of the same type. A parameter changing unit configured to change at least one communication parameter of one or more groups stored in the memory by performing at least one of crossover and mutation of a communication parameter according to a predetermined rule; A parameter evaluation unit that evaluates whether communication parameters can be adopted according to a predetermined evaluation method in a group unit, and a regular communication that uses communication parameters of a group with the highest evaluation evaluated as being adoptable by the parameter evaluation unit in a communication operation; A parameter update unit for updating and setting as a parameter is provided. Communication and wherein the. There is provided a parameter selection / proliferation unit that proliferates an additional group including communication parameters that are the same as the communication parameters of the group that has been highly evaluated by the parameter evaluation unit, and that selects at least the group with the lowest evaluation. The communication device according to claim 1, wherein: The communication device is configured to perform a test communication operation using the communication parameters of each group stored in the memory on a group basis after the operation of changing the communication parameters by the parameter change unit is completed, and Communication status monitoring means for monitoring the communication status used for evaluation of the parameter evaluation unit, the parameter evaluation unit fetches the communication status monitoring information during the trial communication operation from the communication status monitoring means, and 3. The communication device according to claim 1, wherein the communication parameter is evaluated on a group basis based on the information. A parameter change start command unit for instructing the start of operation of the parameter change unit when it is determined that the state of the communication device satisfies a predetermined communication parameter update timing condition is provided. 4. The communication device according to claim 1, wherein the communication parameter changing operation is started while the communication operation is suspended after receiving the command. The communication device is provided with a clock mechanism, and the parameter changing unit starts a communication parameter changing operation at a predetermined time based on clock information of the clock mechanism. The communication device according to claim 2 or 3. The parameter changing unit starts a communication parameter changing operation when receiving a communication parameter changing operation start command from an external input using an information input unit provided in the communication device. The communication device according to claim 1. When the parameter changing unit attempts to start the parameter changing operation, before starting the parameter changing operation, it is determined according to a predetermined judgment method whether or not it is necessary to initialize the group of the communication parameters stored in the memory. A parameter initialization necessity determining unit for performing the communication parameter initialization, and a parameter initialization unit for newly creating a plurality of communication parameter groups and overwriting the communication parameter group in the memory when it is determined that the communication parameter initialization is required. The parameter evaluation unit has a configuration for evaluating whether or not each of the newly created communication parameters can be adopted, and at least one of the new communication parameters is determined by the parameter evaluation unit. When the evaluation of adoption is obtained, the operation start of the parameter change unit is canceled and The communication parameter of the new group having the highest evaluation is updated and set as a regular communication parameter by the parameter updating unit, and when all the groups of the new communication parameter have been evaluated for adoption, the parameter is changed. The communication device according to claim 1, wherein the operation of the unit is started. The parameter changing unit includes: a parameter crossing unit that divides a plurality of groups of communication parameters stored in the memory into two groups and exchanges at least one type of communication parameter for each group; A parameter mutating unit that replaces one or more communication parameters of the group according to a predetermined rule is provided, and all the groups of the communication parameters stored in the memory are evaluated by the parameter evaluation unit as to whether or not they are adopted. Sometimes a parameter selection / proliferation unit is provided to select the poorly evaluated groups from the memory among the groups with or without adoption from the memory, and to copy and propagate the groups with the good evaluations to the memory. At least one of the plurality of groups of communication parameters stored in 4. The method according to claim 1, wherein the operations of the parameter selection / proliferation unit, the parameter crossover unit, and the parameter mutation unit are sequentially repeated until the parameter evaluation unit obtains an applicability evaluation. The communication device according to claim 7. The communication device according to any one of claims 1 to 8, wherein the communication device is a portable mobile terminal device. A communication state optimizing processing system for a communication device having a communication device and a server to which the communication device is connected wirelessly or by wire, wherein the communication device includes: Item 9 is provided with the configuration of the communication device according to any one of Items 9, and each time the communication parameter is updated and set by the parameter update unit, information of the updated communication parameter is transmitted to the server in a group unit. The server includes a communication parameter storage unit that stores communication parameters transmitted from the communication device in groups, and the communication device further includes a predetermined communication parameter storage unit. At each timing, the communication parameter data is downloaded from the communication parameter storage means of the server by downloading the communication parameter information in groups. Communication state optimization processing system characterized by the unload section, a parameter writing unit for storing the communication parameters that downloaded into the memory is provided. The communication device has the configuration of the communication device according to claim 7, and when the parameter initialization necessity determination unit determines that the initialization of the communication parameter group in the memory is necessary, the parameter initialization unit The newly created communication parameter group is stored in the memory, and the communication parameter group obtained by downloading from the server by the communication parameter download unit is stored in the memory as a new communication parameter group. The communication state optimizing processing system according to claim 10. The server is provided with a reception frequency calculation unit that checks a group of communication parameters received from the communication device against a group of communication parameters stored in the communication parameter storage unit and calculates a reception frequency of the group of received communication parameters. The communication parameter group stored in the communication parameter storage unit is associated with reception frequency information, and the communication parameter download unit of the communication device stores the information in the communication parameter storage unit of the server. 12. The communication state optimization processing system according to claim 10, wherein a group of communication parameters having a high reception frequency of the server is selectively taken in by downloading from the plurality of communication parameter groups.

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