JP6034137B2 - Wireless communication apparatus, wireless communication method, and program - Google Patents

Description

  The present invention relates to a wireless communication technique for establishing one or more communication sessions for one wireless communication system.

  In recent years, it has been studied that a wireless communication terminal uses a plurality of wireless communication methods at the same time to improve communication speed (see Non-Patent Document 1). Here, it is desirable for the wireless communication terminal to adaptively control how much data is transmitted / received for each of the plurality of wireless communication systems in accordance with characteristics such as the communication speed of each wireless communication system. It is. On the other hand, when acquiring data from a server using, for example, an HTTP GET message, the wireless communication terminal can specify the range of data to be acquired in the GET message and vary the amount of data to be acquired (Patent Literature). 1).

JP 2009-147428 A

“Wireless Japan 2012: Effective speed more than double -KDDI's“ Link Aggregation Wireless Technology ”” [online], May 30, 2012, ITmedia + D Mobile, [Search July 18, 2012], Internet (URL: http://plusd.itmedia.co.jp/mobile/articles/1205/30/news066.html)

  When data is acquired using an HTTP GET message, the next data portion is requested each time after the data portion is received. For this reason, a time interval in which no data is received occurs between the reception of a certain portion of data and the reception of the next portion, and throughput can be reduced. On the other hand, it is conceivable that a plurality of communication sessions are established for one wireless communication method, and data is received by another communication session in a time interval in which data is not received by one communication session. According to this idea, the communication speed can be improved by increasing the number of communication sessions handled simultaneously. However, in wireless communication, since the communication capacity is determined by the state of the transmission path, it is considered that the communication speed cannot be improved if the number of communication sessions exceeds a certain number. Moreover, if the number of communication sessions increases too much, the processing load of the wireless communication terminal may increase.

  The present invention has been made in view of the above problems, and an object of the present invention is to appropriately maintain the number of communication sessions handled simultaneously according to the communication environment and the state of the wireless communication terminal.

In order to achieve the above object, a wireless communication device according to the present invention is a wireless communication device including wireless communication means for establishing wireless communication by establishing at least one communication session with a communication counterpart device, in the wireless communication. and utilization information on the utilization to volume of the radio section, an obtaining unit capable of processing all established the communication session to acquire the processing capability information regarding the wireless communication device has the usage Control means for controlling the number of the communication sessions based on the information and the processing capability information.

  According to the present invention, it is possible to appropriately maintain the number of communication sessions handled simultaneously according to the communication environment and the state of the wireless communication terminal.

The figure which shows the network structural example. The conceptual diagram of the communication using a some communication session. The block diagram which shows the hardware structural example of a radio | wireless communication terminal. The block diagram which shows the function structural example of a radio | wireless communication terminal. The flowchart which shows operation | movement of a radio | wireless communication terminal.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

(Network configuration)
A network configuration example according to the present embodiment is shown in FIG. In the example of FIG. 1, the network includes a wireless communication terminal 100, a first communication system base station 200 and its backbone network 201, a second communication system base station 300 and its backbone network 301, and an information providing apparatus 400. The first communication method and the second communication method are communication methods such as a wireless LAN communication method such as 3G mobile phone (for example, cdma2000), LTE, WiMAX, IEEE802.11, and the like. The communication method represents a different communication method.

  For example, the wireless communication terminal 100 has a wireless communication function corresponding to a plurality of different wireless communication systems, and one or more of them can be used simultaneously. For example, the wireless communication terminal 100 can simultaneously communicate with both the base station 200 and the base station 300, which are communication counterpart devices in wireless communication, using two wireless communication functions.

  At this time, the wireless communication terminal 100 acquires a part of the data to be downloaded or streamed by specifying a part of the HTTP GET message, such as “data from the Xth byte to the Yth byte”. Can do. By using this, one data can be divided into a plurality of blocks and received without duplication. As a result, as shown in FIG. 1, the wireless communication terminal 100 simultaneously uses the first communication method and the second communication method to simultaneously transmit one data from one information providing apparatus 400 at a high speed. And can be acquired stably. In addition, the wireless communication terminal 100 can receive data requests from other devices in the uplink by the above-described method, and can divide one data without overlapping and transmit the data via a plurality of communication methods.

  Note that the wireless communication terminal 100 can perform communication using a plurality of communication sessions simultaneously for one wireless communication method as shown in FIG. FIG. 2 shows a configuration including three communication sessions. According to this, a communication speed approximately three times as high as that obtained when only one communication session is used can be obtained. In FIG. 2, data of a plurality of communication sessions are transmitted and received without being temporally superimposed, but may be superimposed. For example, when data can be separated and extracted by space, code, and other elements, a plurality of data may be transmitted and received at the same time.

  However, this improvement in communication speed cannot be obtained beyond the capacity of the wireless section. That is, the communication speed can be improved by increasing the number of communication sessions up to the limit of the capacity of the wireless section, and there is no meaning in increasing the number of communication sessions beyond that. Rather, if the number of communication sessions is increased beyond the capacity of the wireless section, the processing capacity and battery of the wireless communication terminal 100 may be consumed only. Even if there is a vacancy in the wireless section, if the number of communication sessions is increased too much, the wireless communication terminal 100 may exceed the limit of the ability to process data. In this case, for example, data stays in the buffer of the MAC layer of the wireless communication terminal 100, and there is a possibility of causing a buffer overflow without being able to process the data.

  For this reason, the wireless communication terminal 100 in the present embodiment acquires or estimates at least one of the usage rate of the wireless section and the processing capability of the wireless communication terminal 100 itself, and determines the number of communication sessions according to the acquired or estimated result. to manage. Hereinafter, the configuration and operation of the wireless communication terminal 100 will be described in detail with reference to the drawings.

(Hardware configuration of wireless communication terminal)
FIG. 3 is a block diagram illustrating a hardware configuration example of the wireless communication terminal 100. As illustrated in FIG. 3, the wireless communication terminal 100 includes, for example, a CPU 101, a ROM 102, a RAM 103, an external storage device 104, a first communication device 105, and a second communication device 106. The wireless communication terminal 100 executes, for example, a program for realizing the following method recorded in any of the ROM 102, the RAM 103, and the external storage device 104 by the CPU 101, and at least one of the first communication device 105 and the second communication device 106. Communicate using.

  In FIG. 3, two communication devices are shown for simplicity, but the wireless communication terminal 100 only needs to include one or more communication devices. That is, there may be one communication device or three or more communication devices. Note that the wireless communication terminal may include dedicated hardware that executes each function described below, or a part of the function is executed by the hardware and the other part is executed by a computer that operates the program. May be. Further, all the following functions may be executed by a computer and a program.

(Functional configuration of wireless communication terminal)
FIG. 4 is a block diagram illustrating a functional configuration example of the wireless communication terminal 100. In the example of FIG. 4, the wireless communication terminal 100 includes a control unit 111, an information acquisition unit 112, an estimation unit 113, a first communication unit 114, and a second communication unit 115 as functional blocks. In the present embodiment, two communication units are shown, but there may be one or three or more.

  The control unit 111 is a functional unit that controls the operation of the entire wireless communication terminal 100. The control unit 111 controls, for example, at least one of the first communication unit 114 and the second communication unit 115, and at least one of the base station 200 and the base station 300 that are communication counterpart devices in the wireless section, and one Communication is established by establishing the above communication session.

  At this time, the control unit 111 is at least one of usage rate information regarding the usage rate with respect to the capacity of the wireless section and processing capability information regarding whether the wireless communication terminal 100 has the capability to process all established communication sessions. To control the number of communication sessions. Note that the usage rate information and the processing capability information are estimated or acquired by the information acquisition unit 112 or the estimation unit 113 described later.

  Specifically, for example, if the usage rate of the wireless section is less than a predetermined value, the control unit 111 can still improve the communication speed, and thus increases the number of communication sessions. On the other hand, when the usage rate of the wireless section is equal to or greater than the predetermined value, it can be determined that there is a high probability that the communication speed cannot be improved, and thus the control unit 111 reduces the number of communication sessions. However, even when the usage rate of the wireless section is equal to or higher than the predetermined value, the number of communication sessions is maintained if the wireless communication terminal 100 has the ability to process all communication sessions established at that time. May be. In the present embodiment, it is described that the control unit 111 increases or decreases the number of communication sessions, but more specifically, the control unit 111 determines to change the number of communication sessions, and Based on the determination, negotiation is performed with the communication counterpart device. As a result of the negotiation, the number of communication sessions increases or decreases. However, since the negotiation is performed by a method that is usually used, a detailed description thereof is omitted here.

  Further, for example, when the wireless communication terminal 100 has the capability of processing all established communication sessions, the control unit 111 determines that it can be processed even if a communication session is added. Increase the number of communication sessions. On the other hand, if the wireless communication terminal 100 does not have the capability to process all established communication sessions, even if the number of communication sessions is increased further, the wireless communication terminal 100 cannot process the data, and the buffer is stored in the MAC layer. It can be judged that it only stays. For this reason, the control unit 111 maintains or reduces the communication session in this case.

  In addition, when the control unit 111 uses a plurality of communication units at the same time, for example, when using the first communication unit 114 and the second communication unit 115 at the same time in the example of FIG. Information may be acquired to control the number of communication sessions. In this case, for example, the control unit 111 may increase the number of communication sessions by giving priority to wireless communication with a lower usage rate. Further, the control unit may reduce the number of communication sessions by giving priority to wireless communication with a higher usage rate. In this way, when the total number of communication sessions is limited due to the limited processing capability of the wireless communication terminal 100, a communication method with a large capacity for the wireless section capacity is preferentially communicated. Sessions are increased. For this reason, the effect of improving the communication speed by increasing the number of communication sessions can be further increased. In addition, communication sessions are preferentially reduced for communication methods that have less capacity for the capacity of the wireless section. This is because, in a communication method in which the communication environment is not good due to high usage rate, the communication speed that can be realized per communication session may not be so high, and in that case, the communication session is reduced by one. This is because the influence on the overall communication speed is small. In addition, in a communication method with a high usage rate, the communication environment of other communication sessions in the communication method may be improved by reducing the number of communication sessions.

  When using a plurality of communication units at the same time, the control unit 111 may determine whether the total number of communication sessions has reached a predetermined number. Then, when the total number of communication sessions reaches a predetermined number, as described above, a communication unit that preferentially increases or decreases the number of communication sessions may be selected. On the other hand, if the total number of communication sessions does not reach the predetermined number, the number of sessions is increased or decreased for each of the plurality of communication units based on at least one of usage rate information and processing capacity information. May be.

  The information acquisition unit 112 acquires the above-described usage rate information from, for example, a counterpart device (base station 200, base station 300) for wireless communication. On the other hand, the estimation unit 113 estimates either or both of the above-described usage rate information and processing capability information. When the usage rate information is estimated by the estimation unit 113, the information acquisition unit 112 may be omitted. Further, when the processing capability information is not used and the usage rate information is acquired from a counterpart device for wireless communication, the estimation unit 113 may not be provided.

  As described above, the wireless communication terminal 100 according to the present embodiment can improve the communication speed according to the state of the wireless resource and the number of communication sessions that do not waste the processing capacity wastefully according to the state of the wireless resource. Can be maintained.

(Use rate information and processing capacity information)
Here, the acquisition or estimation of usage rate information (or usage rate) and processing capability information will be described in detail.

  For example, the estimation unit 113 calculates the communication capacity per unit time from the communication quality (SNR, SIR, SINR, etc.) of the transmission path, and the actual usage rate for the capacity of the wireless section is obtained by communication. It may be calculated as a ratio between the speed and the calculated communication capacity. In this case, the usage rate information need not be acquired by the information acquisition unit 112. Further, the usage rate with respect to the capacity of the radio section may be calculated as the usage rate of the time, frequency, code, antenna degree of freedom (space), etc. of the radio resource. The usage rate of the radio resource is, for example, a ratio of the used resource amount to the available resource amount for at least one of time, frequency, code, and antenna degree of freedom (space). This includes, for example, the time rate of signal transmission / reception, the amount of used frequency relative to the available frequency, the sum of the reciprocal of the spreading factor of the code being used, the number of streams simultaneously transmitting and receiving and the channel matrix It can be obtained by calculating the ratio with the rank.

  Also, it may be estimated from the buffer availability on the data transmission side between the wireless communication terminal 100 and the wireless communication counterpart device. Specifically, when the time rate at which the buffer for storing data not transmitted to the wireless zone is empty is larger, the usage rate of the wireless zone is lower, and as the time rate is lower, the usage rate of the wireless zone is higher. It may be estimated. This is because when the time rate at which the buffer is empty is large, the communication environment is good, and even if the number of communication sessions is increased, the probability of reaching the capacity is low. Also, when the time rate at which the buffer is empty is small, the probability that the communication environment is not good is high, and when the number of communication sessions is further increased, the probability of reaching the capacity is considered high. Similarly, when the amount of data staying in the buffer on the transmission side is large, it may be estimated that the usage rate of the wireless section is high, and when the amount of staying data is small, it may be estimated that the usage ratio of the wireless section is low. In this case, when the counterpart device is the transmission side, the information acquisition unit 112 acquires the usage rate information estimated on the transmission side by, for example, signaling.

  Further, the usage rate information may be information obtained based on the usage rate and whether or not the number of communication sessions can be increased. In this case, the estimation unit 113 may estimate the usage rate by the above-described method, for example, and determine whether or not the number of communication sessions can be increased from the estimated usage rate. The information acquired by the information acquisition unit 112 from the counterpart device for wireless communication may also be such information. Then, when the usage rate information indicates that the number of communication sessions can be increased, the control unit 111 may increase the number of communication sessions.

  Note that the usage rate of the wireless section may have a limit value that cannot be improved further even if 100% of the resource is not used, depending on the communication method used. For example, in a wireless LAN or the like, due to system restrictions, the wireless communication terminal 100 needs to wait for a predetermined waiting time before transmitting a signal, so the time rate cannot be set to 100%. If this limit value is known, increase the number of communication sessions by determining whether the usage rate has reached this limit value or whether the difference from the limit value of the usage rate has fallen below the specified value. It may be determined whether or not When this limit value cannot be specified in advance, the wireless communication terminal 100 may increase the number of communication sessions and determine whether the usage rate of the wireless section is improved as a result. Then, if the usage rate has improved as a result of the determination, the wireless communication terminal 100 can determine that the usage rate of the wireless section is still sufficient, so the number of communication sessions may be increased. On the other hand, if the usage rate does not improve, increasing the number of communication sessions does not lead to an improvement in communication speed, so the communication session may be maintained as it is. The determination as to whether the usage rate has improved can be made, for example, by determining whether the usage rate has increased by a predetermined amount before and after increasing the communication session. If the communication session increased for determining whether the usage rate is improved does not contribute to the improvement of the communication speed when the usage rate is not improved, the wireless communication terminal 100 may reduce the number of communication sessions. Good.

  The estimation unit 113 estimates whether the wireless communication terminal 100 has the ability to process all established communication sessions. For example, the estimation unit 113 determines the CPU usage rate related to communication, and if the usage rate is equal to or higher than a predetermined value, the wireless communication terminal 100 has the ability to process all established communication sessions. It may be estimated that there is no. When the CPU usage rate exceeds a predetermined value (for example, 99%), the processing capacity is almost used up to the limit, and it is highly possible that not all of the communication sessions that are actually established have been processed. is there.

  In addition, when the wireless communication terminal 100 is a data receiving side, the buffer that stores unprocessed data after reception is observed, and all established communication sessions are processed according to the observation result. It may be determined whether the wireless communication terminal 100 has the capability. In other words, for example, if a large amount of data is stored in the buffer of the MAC layer, it means that there is a lot of data that cannot be processed, so that a part of the current communication session can be processed. It can be judged that there is a high probability of not. In this case, on the contrary, if the amount of data in the buffer of the MAC layer is small, it can be determined that the received data is being processed steadily. Therefore, in this case, the estimation unit 113 estimates that the wireless communication terminal 100 does not have the ability to process all established communication sessions when the amount of data in the MAC layer buffer is equal to or greater than a predetermined amount. . Moreover, the estimation part 113 estimates that the radio | wireless communication terminal 100 has the capability to process all the established communication sessions, when the data amount in the buffer of a MAC layer is less than predetermined amount.

  Furthermore, it may be estimated whether or not the wireless communication terminal 100 has the ability to process all established communication sessions based on the time rate at which the MAC layer buffer is empty. This is because the high rate of time when the buffer is emptied means that the received data is processed immediately in the wireless communication terminal 100 and sufficient processing capability is secured. Therefore, for example, the estimation unit 113 estimates that the wireless communication terminal 100 has the ability to process all established communication sessions when the time rate at which the MAC layer buffer is empty is greater than or equal to a predetermined value. May be. Further, the estimation unit 113 estimates that the wireless communication terminal 100 has the ability to process all established communication sessions when the time rate at which the MAC layer buffer is empty is less than a predetermined value. Also good.

(Operation of wireless communication terminal)
Next, the operation of the wireless communication terminal 100 will be described. FIG. 5 is a flowchart showing the operation of the wireless communication terminal 100. The wireless communication terminal 100, for example, in response to receiving an instruction from a user who uses the wireless communication terminal 100 at predetermined time intervals during communication with a counterpart device (base station 200, base station 300) for wireless communication. Then, the process of FIG. 5 is started.

  When the process is started, the control unit 111 first acquires at least one of the usage rate information and the processing capability information from the information acquisition unit 112 or the estimation unit 113 (S501). In the example of FIG. 5, for the sake of explanation, a case is shown in which both usage rate information and processing capability information are acquired. Then, the control unit 111 determines whether or not the usage rate of the wireless section included in the usage rate information is less than a predetermined value (S502). If the usage rate is less than the predetermined value (YES in S502), the process proceeds to S503. If the usage rate is equal to or higher than the predetermined value (NO in S502), the process proceeds to S505. If the usage rate information includes not the usage rate itself but information indicating whether or not a communication session can be added, which is determined based on the usage rate, the processing is performed when the communication session can be added. If the addition is impossible, the process proceeds to S505. Note that the process of S502 is omitted when the usage rate information is not used.

  In S503, it is determined whether the processing capability information indicates that the wireless communication terminal 100 has the capability to process all currently established communication sessions (whether there is processing capability) (S503). If wireless communication terminal 100 has the ability to process all currently established communication sessions (YES in S503), the process proceeds to S504, and if not (NO in S503), the process proceeds to S505. Note that if the processing capability information is not acquired, S503 is omitted.

  In S504, since the wireless communication terminal 100 has the capability to process all currently established communication sessions with a wireless section usage rate less than a predetermined value, the control unit 111 increases the number of communication sessions. As a result, the transmission speed of communication can be improved. On the other hand, in S505, the control unit 111 reduces the number of communication sessions because the usage rate of the wireless section is equal to or greater than a predetermined value or the wireless communication terminal 100 does not have processing capability. Thereby, it is possible to prevent an excessive increase in the number of communication sessions. In S505, when the number of communication sessions is one, the control unit 111 does not have to reduce the number of communication sessions.

  In the example of FIG. 5, for simplicity, the number of communication sessions is reduced when the usage rate of the wireless section is equal to or greater than a predetermined value, or when the wireless communication terminal 100 does not have processing capability. Not limited to. For example, even when the usage rate is equal to or higher than a predetermined value, the control unit 111 may maintain the number of communication sessions when the wireless communication terminal 100 has processing capability. Similarly, even when the wireless communication terminal 100 does not have processing capability, the number of communication sessions may be maintained when the usage rate is less than a predetermined value. As a result, the number of communication sessions can be stabilized.

  When performing communication using a plurality of communication units simultaneously, for example, a communication unit that preferentially increases communication sessions and a communication unit that preferentially reduces communication sessions are determined between S501 and S502. Steps may be included. Then, the processing of S502 to S504 may be executed for the communication unit that preferentially increases the communication session, and the processing of S502, S503, and S505 may be executed for the communication unit that preferentially reduces the communication session. In addition, a step of determining whether the total number of communication sessions has reached a predetermined number may be included before determining a communication unit that preferentially increases or decreases communication sessions. In this case, when the total number of communication sessions has not reached the predetermined number, for example, the control unit 111 executes the processes of S502 to S505 for all the communication units. On the other hand, when the total number of communication sessions has reached a predetermined number, the control unit 111 determines a communication unit that preferentially increases communication sessions and a communication unit that preferentially reduces communication sessions as described above.

  With the configuration as described above, when the wireless communication terminal 100 according to the present embodiment establishes one or more communication sessions for one wireless communication method and performs communication, the number of communication sessions is set to an appropriate number. The transmission speed can be increased while adjusting.

Claims (16)

A wireless communication device comprising wireless communication means for establishing wireless communication by establishing at least one communication session with a communication counterpart device,
Acquisition means for acquiring usage rate information relating to a usage rate with respect to a capacity of a radio section in the radio communication, and processing capability information relating to whether or not the radio communication device has the capability of processing all of the established communication sessions; ,
Based on said capacity information and the utilization information, and a control means to control the number of the communication session,
A wireless communication apparatus comprising: When the usage rate is less than a predetermined value, the control means increases the number of the communication sessions regardless of the processing capability information .
The wireless communication apparatus according to claim 1. The control means reduces the number of communication sessions regardless of the processing capability information when the usage rate is equal to or greater than a predetermined value.
The wireless communication apparatus according to claim 1, wherein the wireless communication apparatus is a wireless communication apparatus. When the processing capability information indicates that the usage rate is equal to or greater than a predetermined value and the wireless communication device has the ability to process all of the established communication sessions, the control means Keep the number,
The wireless communication apparatus according to any one of claims 1 or 2, characterized in that. A determination means for determining whether the usage rate has increased by a predetermined amount or more when the number of communication sessions is increased;
The control means further increases the number of communication sessions when the usage rate is increased by a predetermined amount or more.
The wireless communication apparatus according to claim 1, any one of 4, characterized in that. The control means maintains the number of the communication sessions when the usage rate does not increase more than a predetermined amount.
The wireless communication apparatus according to claim 5 . The control means reduces the number of communication sessions when the usage rate does not increase by a predetermined amount or more.
The wireless communication apparatus according to claim 5 . The usage rate information indicates that, in the wireless communication device and the counterpart device, the higher the time rate at which the buffer for storing data that has not been transmitted in the wireless section is empty in the device that transmits data. The lower usage rate indicates the higher usage rate as the time rate is smaller, respectively.
The wireless communication apparatus according to any one of claims 1 7, characterized in that. Among the wireless communication device and the counterpart device, the usage rate information indicates the higher usage rate as the amount of data stored in the buffer without being transmitted to the wireless section increases. The lower the usage rate, the lower the amount of data, respectively.
The wireless communication apparatus according to any one of claims 1 7, characterized in that. The usage rate information is a ratio of a resource amount used to an available resource amount of at least one of time, frequency, code, and space used between the wireless communication device and the counterpart device. Show,
The wireless communication apparatus according to any one of claims 1 7, characterized in that. The processing capability information is a case where the wireless communication device is a device that receives data, and a time rate at which a buffer in which unprocessed data is accumulated after reception is empty is a predetermined value or more. If there is, the wireless communication device has the ability to process all of the established communication sessions, and if the time rate is less than a predetermined value, all of the communication sessions for which the wireless communication device has been established Indicate that they do not have the ability to process
The wireless communication apparatus according to any one of claims 1 1 0, characterized in that. The processing capability information is when the wireless communication device is a device that receives data, and when the amount of data stored in the buffer without being processed after reception is greater than or equal to a predetermined amount, The wireless communication device does not have the ability to process all of the established communication sessions, and when the amount of data is less than a predetermined amount, the wireless communication device has the ability to process all of the established communication sessions. Each of which has
The wireless communication apparatus according to any one of claims 1 1 0, characterized in that. The wireless communication device includes a plurality of the wireless communication units that establish at least one communication session and perform wireless communication with the counterpart device,
The acquisition means acquires the usage rate information for a plurality of the wireless communication means,
The control means controls the number of the communication sessions so as to increase the number of the communication sessions in preference to the one with the lowest usage rate among the plurality of wireless communication means.
The wireless communication apparatus according to any one of claims 1 1 2, characterized in that. The wireless communication device includes a plurality of the wireless communication units that establish at least one communication session and perform wireless communication with the counterpart device,
The acquisition means acquires the usage rate information for a plurality of the wireless communication means,
The control means controls the number of the communication sessions so as to reduce the number of the communication sessions preferentially from the higher usage rate among the plurality of wireless communication means.
The wireless communication apparatus according to any one of claims 1 1 2, characterized in that. A wireless communication method in a wireless communication device comprising wireless communication means for establishing wireless communication by establishing at least one communication session with a communication counterpart device,
Usage rate information regarding the usage rate with respect to the capacity of the wireless section in the wireless section of the wireless communication and processing capacity information regarding whether the wireless communication apparatus has the ability to process all of the established communication sessions. And an acquisition process for acquiring
Control means, based on the utilization information and the processing capability information, and a control step of controlling the number of the communication session,
A wireless communication method comprising: To a computer provided in a wireless communication device comprising a wireless communication means for establishing wireless communication by establishing at least one communication session with a communication counterpart device,
The usage rate information regarding the usage rate with respect to the capacity of the wireless section in the wireless section of the wireless communication and the processing capacity information regarding whether the wireless communication apparatus has the ability to process all of the established communication sessions are acquired. Acquisition process;
Based on the usage information and the processing capability information, and a control step of controlling the number of the communication session,
A program for running

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