WO2016079958A1 - 通信システム、通信機器、通信方法、及び記録媒体 - Google Patents
通信システム、通信機器、通信方法、及び記録媒体 Download PDFInfo
- Publication number
- WO2016079958A1 WO2016079958A1 PCT/JP2015/005635 JP2015005635W WO2016079958A1 WO 2016079958 A1 WO2016079958 A1 WO 2016079958A1 JP 2015005635 W JP2015005635 W JP 2015005635W WO 2016079958 A1 WO2016079958 A1 WO 2016079958A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- communication
- wireless
- communication device
- threshold value
- server
- Prior art date
Links
- 238000004891 communication Methods 0.000 title claims abstract description 565
- 238000000034 method Methods 0.000 title claims abstract description 95
- 230000010365 information processing Effects 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 description 16
- 238000005259 measurement Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 13
- 238000009499 grossing Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
- H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
- H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0289—Congestion control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/10—Flow control between communication endpoints
- H04W28/12—Flow control between communication endpoints using signalling between network elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/02—Access restriction performed under specific conditions
- H04W48/06—Access restriction performed under specific conditions based on traffic conditions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/52—Allocation or scheduling criteria for wireless resources based on load
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0273—Traffic management, e.g. flow control or congestion control adapting protocols for flow control or congestion control to wireless environment, e.g. adapting transmission control protocol [TCP]
Definitions
- the present invention relates to a communication system, a communication device, a communication method, and a recording medium, and in particular, a communication system, a communication device, a communication method, and a recording capable of communicating data more efficiently according to a change in the degree of congestion of a line. It relates to the medium.
- wireless communication terminals In recent years, various types of data communication such as browsing of websites, transmission / reception of streaming video, transmission / reception of electronic mail, and transmission / reception of electronic files have been performed using wireless communication terminals, thereby increasing data traffic in wireless communication networks. is doing. Therefore, it is required to efficiently communicate data to the wireless communication terminal.
- wireless communication terminals are required to transmit and receive non-real time data that does not require real time when the communication network is not congested.
- Patent Document 1 proposes a technique of a wireless terminal that attempts gap communication for each waiting period.
- the degree of congestion is low by controlling whether communication is continued or interrupted until the next period in accordance with the degree of communication congestion for each fixed waiting period. Data communication can be performed during off hours.
- Patent Document 2 proposes a technique of a wireless terminal that holds transmission pending based on broadcast information notified from the base station regarding the congestion of the line when transmission data to the base station is generated.
- the wireless terminal of Patent Document 2 it is possible to reduce useless signaling from the wireless terminal to the base station when the line is congested by waiting for transmission of the suspended data until the release information is received from the base station.
- Patent Document 3 in a wireless communication method in which the data communication speed can be predicted based on the communication quality calculated from the measured value of the radio field intensity, download start, interruption, and restart are performed based on the communication quality value and the data transmission rate.
- Mobile terminal technology to perform has been proposed.
- the portable terminal disclosed in Patent Document 3 suspends download start and interrupts download in progress when high-speed communication is not possible.
- the base station of Patent Literature 3 can store data downloaded from the server in a buffer while the mobile terminal suspends download, and can transmit the buffered data to the mobile terminal after resuming the download. Thereby, this portable terminal can select the time when high-speed communication is possible, and can download data without waste.
- the wireless terminal disclosed in Patent Document 1 has a problem that data communication cannot be performed efficiently in a situation where the degree of communication congestion varies in a cycle shorter than the waiting time.
- the wireless terminal of Patent Document 2 since the wireless terminal of Patent Document 2 has no means for interrupting data communication once started, it cannot cope with a case where a line is congested during data communication. That is, in this wireless terminal, there is a problem in followability to changes in the degree of congestion.
- the portable terminal of Patent Document 3 aims to perform high-speed download without waste. For this reason, even if the line is congested during data communication, there is a problem that data communication is not interrupted as long as the user can download at high speed. Furthermore, when there are a plurality of portable terminals under the base station, there is a possibility that an individual terminal may start a vibration phenomenon that repeats communication start, restart, and interruption while affecting each other. That is, this portable terminal is not suitable for the purpose of transmitting / receiving non-real time data that does not require real time property when the communication network is not congested.
- An object of the present invention is to provide a communication system, a communication device, a communication method, and a recording medium that can communicate data more efficiently according to changes in the degree of congestion of a line.
- a communication system includes a communication device that performs data communication with other communication devices via a radio base station.
- the communication device includes a wireless information collection unit that collects wireless information related to wireless communication of the other communication device, a congestion degree determination unit that determines a congestion degree of a wireless line from the collected wireless information, and the determined congestion degree.
- schedule determining means for determining a schedule for data communication to be performed with the other communication device.
- the communication device is a communication device that performs data communication with other communication devices via a wireless base station.
- Wireless information collection means for collecting wireless information related to wireless communication of the other communication device, congestion degree determination means for determining a congestion degree of a wireless line from the collected wireless information, and the other communication based on the determined congestion degree
- a schedule determining means for determining a schedule for data communication with the device.
- a communication method is a communication method for performing data communication with other communication devices via a wireless base station. Collecting wireless information related to wireless communication of the other communication device, determining a congestion degree of a wireless line from the collected wireless information, and a schedule of data communication performed with the other communication device based on the determined congestion degree It is characterized by determining.
- a computer-readable recording medium in which a program according to the present invention is recorded is a computer-readable recording medium in which a program for performing data communication with another communication device via a wireless base station is recorded,
- Wireless information collection processing for collecting wireless information related to wireless communication of the other communication device
- congestion degree determination processing for determining the degree of congestion of a wireless line from the collected wireless information
- the other communication based on the determined degree of congestion
- schedule determination process for determining a schedule for data communication with the device.
- data can be more efficiently communicated in accordance with changes in the degree of congestion on the line.
- FIG. 1A is a block diagram illustrating a communication device according to an embodiment of the superordinate concept of the present invention.
- FIG. 1B is a block diagram illustrating a communication system according to an embodiment of the superordinate concept of the present invention.
- the communication device in FIG. 1A is a communication device that performs data communication with other communication devices via a wireless base station.
- the communication device of FIG. 1A includes a wireless information collection unit 4 that collects wireless information related to wireless communication of the other communication device, and a congestion degree determination unit 5 that determines the degree of congestion of a wireless line from the collected wireless information.
- the communication device of FIG. 1A includes a schedule determination unit 6 that determines a schedule of data communication performed with the other communication device based on the determined degree of congestion.
- the communication system in FIG. 1B includes a server 3 as an example of a communication device that performs data communication with another communication device 1 via a wireless base station 2.
- the server 3 in FIG. 1B includes a wireless information collection unit 4 that collects wireless information related to wireless communication of the other communication device 1, and a congestion degree determination unit 5 that determines the degree of congestion of a wireless line from the collected wireless information.
- the server 3 of FIG. 1B includes a schedule determination unit 6 that determines a schedule for data communication with the other communication device based on the determined degree of congestion.
- the wireless information collection unit 4 collects wireless information related to the wireless communication of the other communication device 1. Further, the congestion level determination unit 5 determines the congestion level of the wireless line from the collected wireless information. The schedule determination unit 6 determines a data communication schedule to be performed with the other communication device based on the determined degree of congestion.
- data communication can be performed efficiently even in a situation where the congestion degree of the wireless line varies in a short cycle.
- the server 3 that distributes data determines the communication timing of the other communication device 1 in consideration of the wireless information related to the wireless communication of the other communication device 1.
- the server 3 can improve the utilization efficiency of free wireless resources by a plurality of off-peak communications.
- data communication aimed at when the line load is low is called off-peak communication.
- the server 3 that distributes data determines the communication timing of the other communication device 1, and the server 3 controls the number of simultaneous communication sessions according to the load on the wireless line. As a result, it is possible to improve the utilization efficiency of free radio resources by a plurality of off-peak communications.
- FIG. 2 is a block diagram illustrating a configuration of the communication system 1000 according to the first embodiment of this invention.
- the communication system 1000 according to the first embodiment of the present invention includes a server 100, a plurality of terminal devices 200-1, 200-2, and 200-3, a terminal device 200, a communication network 400, and the like. And a radio base station 300 that connects the two by a radio channel.
- the communication network 400 is connected to the server 100 and the terminal device 200, respectively.
- the communication network 400 is a communication network such as the Internet.
- each of the plurality of terminal devices 200-1, 200-2, and 200-3 is collectively referred to as the terminal device 200 unless it is necessary to specifically distinguish each of the terminal devices 200-1, 200-2, and 200-3.
- the server 100 includes a server-side data communication unit 110 and a server-side control unit 120.
- the server side data communication unit 110 is connected to the server side control unit 120.
- the server 100 is connected to the communication network 400 by a wired line.
- the server 100 may be connected to the communication network 400 via a wireless line.
- the server 100 is connected to the terminal device 200 via the communication network 400.
- the server 100 performs data communication with the terminal device 200 via the communication network 400.
- the server-side data communication unit 110 performs data communication with the terminal-side data communication unit 220 of the terminal device 200 via the communication network 400. Specifically, the server-side data communication unit 110 transmits data to the terminal-side data communication unit 220 of the terminal device 200 via the communication network 400. The server-side data communication unit 110 also receives data transmitted from the terminal-side data communication unit 220 of the terminal device 200 via the communication network 400.
- the server-side control unit 120 includes a wireless information collection unit 121, a throughput measurement unit 122, a congestion degree determination unit 123, and a schedule calculation unit 124.
- the server side control unit 120 controls the entire server 100.
- the server-side control unit 120 receives various information (for example, information, data amount, communication time) and the like in data transmitted and received by the server-side data communication unit 110.
- the wireless information collection unit 121 collects wireless information from the terminal device 200.
- the information on the radio includes, for example, RSSI (Received Signal Strength Indicator), RSRP (Reference Signal Received Power), RSRQ (Reference Signal Received Quality), and SINR (Signal Signal Reception Quality). -to-Interference plus Noise-Ratio).
- the throughput measuring unit 122 measures the throughput of data communication performed with the terminal device 200.
- the congestion degree determination unit 123 determines the line congestion degree from the wireless information and the throughput.
- the schedule calculation unit 124 determines a schedule for data communication performed with the terminal device 200 based on the degree of congestion.
- the terminal device 200 includes a wireless measurement unit 211 and a wireless information transmission unit 212.
- the terminal side control unit 210 is connected to the terminal side data communication unit 220.
- the terminal device 200 is connected to the communication network 400 via a wireless line of the wireless base station 300.
- the terminal device 200 is connected to the server 100 via the communication network 400.
- the terminal device 200 performs data communication with the server 100 via the communication network 400.
- the number of terminal devices 200 may be two and the number of terminal devices 200 may be four or more. Further, the number of terminal devices 200 may be one.
- the terminal-side control unit 210 controls the entire terminal device 200.
- the terminal side control unit 210 includes a wireless measurement unit 211 and a wireless information transmission unit 212.
- the terminal-side data communication unit 220 transmits data to the server-side data communication unit 110 of the server 100 via the communication network 400.
- the terminal-side data communication unit 220 receives data transmitted from the server-side data communication unit 110 of the server 100 via the communication network 400.
- the wireless measurement unit 211 collects information related to the wireless channel of the wireless base station 300.
- the information on the radio includes, for example, RSSI (Received Signal Strength Indicator), RSRP (Reference Signal Received Power), RSRQ (Reference Signal Received Quality), and SINR (Signal Signal Reception Quality).
- RSSI Receiveived Signal Strength Indicator
- RSRP Reference Signal Received Power
- RSRQ Reference Signal Received Quality
- SINR Signal Reception Quality
- -to-Interference plus Noise-Ratio Signal-to-interference plus noise ratio
- the wireless information transmission unit 212 transmits the wireless information in the terminal device 200 described above to the wireless information collection unit 121 of the server 100 via the terminal side data communication unit 220, the communication network 400, and the server side data communication unit 110.
- FIG. 3 is a flowchart for explaining the operation of the server 100 according to the first embodiment of this invention.
- terminal devices 200-1, 200-2, and 200-3 perform data communication with the server 100 when the degree of communication line congestion is low.
- the server 100 starts operation (step S1).
- the wireless information collection unit 121 of the server 100 collects information related to wireless from the wireless information transmission unit 212 of the terminal device 200 at a certain period (step S2).
- information related to radio is RSSI (Received Signal Strength Indicator), RSRP (Reference Signal Received Power), RSRQ (Reference Signal Received Quality), and SINR.
- RSSI Receiveived Signal Strength Indicator
- RSRP Reference Signal Received Power
- RSRQ Reference Signal Received Quality
- SINR SINR.
- Information such as (Signal-to-Interference plus Noise-Ratio).
- the radio information collection unit 121 of the server 100 calculates the resource block (RB) usage rate of the radio base station 300 from the collected information about the radio (step S3).
- RB is the minimum allocation unit of radio resources
- the RB usage rate is a value obtained by dividing the number of RB usages by the number of all RBs that can be allocated.
- the RB usage rate represents the degree of use of communication resources allocated to the terminal device 200 connected to the communication network, for example, as a value between 0.0 and 1.0.
- the RB usage rate NC1 may be calculated by the following formula 1 using the information RSSI, RSRP, and SINR regarding the radio.
- the RB usage rate NC1 may be calculated by the following equation 2.
- the wireless information collection unit 121 of the server 100 may calculate the RB usage rate NC1 as a moving average value.
- the wireless information collection unit 121 of the server 100 may calculate the RB usage rate NC1 as an exponential smoothing value.
- the congestion degree determination unit 123 of the server 100 determines whether or not the RB usage rate NC1 is equal to or less than a preset threshold value (step S4). If the RB usage rate NC1 is equal to or less than the threshold (YES in step S4), the process proceeds to step S5, and otherwise, the process proceeds to step S2. If the RB usage rate NC1 is less than or equal to the threshold value, the server 100 starts communication with the terminal device 200-1 (step S5). Furthermore, the server 100 continues communication with the terminal device 200-1 for a predetermined time (step S6).
- the throughput measuring unit 122 of the server 100 measures the communication throughput for each communication session currently communicating, and calculates the maximum value of the throughput (step S7).
- the congestion degree determination unit 123 of the server 100 determines whether or not the maximum value of the throughput calculated by the throughput measurement unit 122 is greater than or equal to a threshold value (step S8). If the maximum value of the throughput is greater than or equal to the threshold (YES in step S8), the process proceeds to step S9, and otherwise, the process proceeds to step S11.
- the schedule calculation unit 124 of the server 100 determines whether there is untransmitted data in any of the terminal devices 200-1, 200-2, 200-3 ( Step S9). If there is untransmitted data (YES in step S9), the process proceeds to step S10. Otherwise, the data communication is terminated.
- step S10 determines whether there is a waiting session. If yes (YES in step S10), the process returns to step S5, and the server 100 resumes the communication session. Otherwise, the process returns to step S6 and the server 100 continues communication with the terminal device 200-1 for a certain period of time. .
- the schedule calculating unit 124 of the server 100 When the maximum value of the throughput calculated by the throughput measuring unit 122 is less than the threshold (NO in step S8), the schedule calculating unit 124 of the server 100 considers that the communication line is congested, and the communication session is set to 1 The session is interrupted (step S11). After this interruption, the schedule calculation unit 124 determines whether or not there is a session in communication. If there is no session (NO in step S12), the process proceeds to step S13. Otherwise, the process returns to step S6, and again. Continue communication for a certain time. If there is no communication session in step S12, the schedule calculation unit 124 determines whether there is a waiting session (step S13). If there is, the process returns to step S2, and if there is no session, data communication is performed. Exit.
- the resource block RB usage rate of the radio base station 300 is calculated, and when the calculated RB usage rate exceeds the threshold, radio information is collected again, and the calculated RB usage rate is the threshold.
- one session is started. Thereby, data communication can be started in accordance with a change in the congestion degree of the communication line.
- the server 100 that distributes data takes into account the resource block RB usage rate and the maximum value of the throughput of the terminal devices 200 (200-1, 200-2, 200-3,). The communication timing is judged. By controlling the number of simultaneous communication sessions according to the load on the wireless line, the server 100 can improve the utilization efficiency of free wireless resources by a plurality of off-peak communications.
- the server 100 that distributes data determines the communication timing of the terminal device 200, and the server 100 controls the number of simultaneous communication sessions according to the load on the wireless line. As a result, it is possible to improve the utilization efficiency of free radio resources by a plurality of off-peak communications.
- FIG. 5 is a block diagram showing a configuration of a radio communication system according to the second embodiment of the present invention.
- the wireless information collection unit 121 of the server 100 acquires the resource block (RB) usage rate NC1 directly from the wireless base station 300.
- RB resource block
- the communication system 1000 includes a server 100, a plurality of terminal devices 200-1, 200-2, and 200-3, a terminal device 200, a communication network 400, and the like. And a radio base station 300 that connects the two by a radio channel.
- the communication network 400 is connected to the server 100 and the terminal device 200, respectively.
- the communication network 400 is a communication network such as the Internet.
- each of the plurality of terminal devices 200-1, 200-2, and 200-3 is collectively referred to as the terminal device 200 unless it is necessary to specifically distinguish each of the terminal devices 200-1, 200-2, and 200-3.
- the server 100 includes a server-side data communication unit 110 and a server-side control unit 120.
- the server side data communication unit 110 is connected to the server side control unit 120.
- the server 100 is connected to the communication network 400 by a wired line.
- the server 100 may be connected to the communication network 400 via a wireless line.
- the server 100 is connected to the terminal device 200 via the communication network 400.
- the server 100 performs data communication with the terminal device 200 via the communication network 400.
- the server-side data communication unit 110 performs data communication with the terminal-side data communication unit 220 of the terminal device 200 via the communication network 400. Specifically, the server-side data communication unit 110 transmits data to the terminal-side data communication unit 220 of the terminal device 200 via the communication network 400. The server-side data communication unit 110 also receives data transmitted from the terminal-side data communication unit 220 of the terminal device 200 via the communication network 400.
- the server-side control unit 120 includes a wireless information collection unit 121, a throughput measurement unit 122, a congestion degree determination unit 123, and a schedule calculation unit 124.
- the server side control unit 120 controls the entire server 100.
- the server-side control unit 120 receives various information (for example, information, data amount, communication time) and the like in data transmitted and received by the server-side data communication unit 110.
- the radio information collection unit 121 acquires the resource block (RB) usage rate NC1 directly from the radio base station 300.
- the throughput measuring unit 122 measures the throughput of data communication performed with the terminal device 200.
- the congestion level determination unit 123 determines the congestion level of the line from the RB usage rate and the throughput.
- the schedule calculation unit 124 determines a schedule for data communication performed with the terminal device 200 based on the degree of congestion.
- the terminal device 200 includes a terminal-side control unit 210 and a terminal-side data communication unit 220.
- the terminal side control unit 210 is connected to the terminal side data communication unit 220.
- the terminal device 200 is connected to the communication network 400 via a wireless line of the wireless base station 300.
- the terminal device 200 is connected to the server 100 via the communication network 400.
- the terminal device 200 performs data communication with the server 100 via the communication network 400.
- the number of terminal devices 200 may be two and the number of terminal devices 200 may be four or more. Further, the number of terminal devices 200 may be one.
- the terminal-side control unit 210 controls the entire terminal device 200.
- the terminal-side data communication unit 220 transmits data to the server-side data communication unit 110 of the server 100 via the communication network 400.
- the terminal-side data communication unit 220 receives data transmitted from the server-side data communication unit 110 of the server 100 via the communication network 400.
- data communication can be started, interrupted, and resumed according to changes in the degree of congestion of the communication line, as in the first embodiment. Furthermore, the number of data communication sessions can be controlled in accordance with changes in the degree of congestion on the communication line.
- the wireless information collection unit 121 of the server 100 directly acquires the RB usage rate NC1 from the wireless base station 300. Thereby, an accurate value of the RB usage rate can be acquired.
- FIG. 6 is a block diagram showing a configuration of a communication system according to the third exemplary embodiment of the present invention.
- the communication system of the present embodiment is different from the communication system of the first embodiment in that the throughput measurement unit 122 of the server-side control unit 120 is not necessary. That is, the server-side control unit 120 of the server 100 according to the present embodiment includes a wireless information collection unit 121, a congestion degree determination unit 123, and a schedule calculation unit 124.
- FIG. 7 is a flowchart for explaining the operation of the server 100 of this embodiment. As in the first embodiment, it is assumed that the terminal devices 200-1, 200-2, and 200-3 perform data communication with the server 100 when the degree of communication line congestion is low.
- the server 100 starts operation (step S1).
- the wireless information collection unit 121 of the server 100 collects information related to wireless from the wireless information transmission unit 212 of the terminal device 200 at a certain period (step S2).
- the information regarding radio is information such as RSSI, RSRP, RSRQ, and SINR.
- the radio information collection unit 121 of the server 100 calculates the resource block (RB) usage rate of the radio base station 300 from the collected information about the radio (step S3).
- RB is the minimum allocation unit of radio resources
- the RB usage rate is a value obtained by dividing the number of RB usages by the number of all RBs that can be allocated.
- the RB usage rate NC1 can be calculated by (Expression 1), (Expression 2), or the like, as in the first embodiment.
- the wireless information collection unit 121 of the server 100 may calculate the RB usage rate NC1 as a moving average value.
- the wireless information collection unit 121 of the server 100 may calculate the RB usage rate NC1 as an exponential smoothing value.
- the congestion degree determination unit 123 of the server 100 determines whether or not the RB usage rate NC1 is equal to or less than a preset threshold value (step S4). If the RB usage rate NC1 is equal to or less than the threshold (YES in step S4), the process proceeds to step S5, and otherwise, the process proceeds to step S2. If the RB usage rate NC1 is less than or equal to the threshold value, the server 100 starts communication with the terminal device 200-1 (step S5). Furthermore, the server 100 continues communication with the terminal device 200-1 for a predetermined time (step S6).
- the radio information collection unit 121 of the server 100 collects information about radio, and calculates the resource block (RB) usage rate of the radio base station 300 from the collected information about radio (step S14).
- the congestion degree determination unit 123 of the server 100 determines whether or not the RB usage rate calculated by the wireless information collection unit 121 is equal to or less than a threshold (step S15). If the calculated RB usage rate is equal to or less than the threshold (YES in step S15), the process proceeds to step S9, and otherwise, the process proceeds to step S11.
- step S9 the schedule calculation unit 124 of the server 100 determines whether there is untransmitted data in any of the terminal devices 200-1, 200-2, 200-3. Determine (step S9). If there is untransmitted data (YES in step S9), the process proceeds to step S10. Otherwise, the data communication is terminated.
- step S10 determines whether there is a waiting session. If yes (YES in step S10), the process returns to step S5, and the server 100 resumes the communication session. Otherwise, the process returns to step S6 and the server 100 continues communication with the terminal device 200-1 for a certain period of time. .
- step S15 the schedule calculation unit 124 of the server 100 suspends one communication session (step S11) on the assumption that the communication line is congested. After this interruption, the schedule calculation unit 124 determines whether or not there is a session in communication. If there is no session (NO in step S12), the process proceeds to step S13. Otherwise, the process returns to step S6, and again. Continue communication for a certain time. If there is no communication session in step S12, the schedule calculation unit 124 determines whether there is a waiting session (step S13). If there is, the process returns to step S2, and if there is no session, data communication is performed. Exit.
- data communication can be started, interrupted, and resumed according to changes in the congestion degree of the communication line, as in the first embodiment. Furthermore, the number of data communication sessions can be controlled in accordance with changes in the degree of congestion on the communication line. Furthermore, in the communication system according to the present embodiment, determination is made based on the RB usage rate instead of the throughput in steps S14 and S15. As a result, even in a situation where the degree of communication congestion fluctuates in a cycle shorter than the waiting time, the schedule of data communication performed with the terminal device 200 can be determined / changed according to the change in the RB usage rate. It can be done efficiently.
- the present embodiment is a modification of the first embodiment, and is a case where the communication method is different while using the same configuration as the communication system and the communication device according to the first embodiment. Since the same configuration as the communication system and the communication device according to the first embodiment is used, the description thereof will be omitted.
- FIG. 8 is a flowchart for explaining the operation of the server 100 of this embodiment. As in the first embodiment, it is assumed that the terminal devices 200-1, 200-2, and 200-3 perform data communication with the server 100 when the degree of communication line congestion is low.
- the server 100 starts operation (step S1).
- the wireless information collection unit 121 of the server 100 collects information related to wireless from the wireless information transmission unit 212 of the terminal device 200 at a certain period (step S2).
- the information regarding radio is information such as RSSI, RSRP, RSRQ, and SINR.
- the radio information collection unit 121 of the server 100 calculates the resource block (RB) usage rate of the radio base station 300 from the collected information about the radio (step S3).
- RB is the minimum allocation unit of radio resources
- the RB usage rate is a value obtained by dividing the number of RB usages by the number of all RBs that can be allocated.
- the RB usage rate NC1 can be calculated by (Expression 1), (Expression 2), or the like, as in the first embodiment.
- the wireless information collection unit 121 of the server 100 may calculate the RB usage rate NC1 as a moving average value.
- the wireless information collection unit 121 of the server 100 may calculate the RB usage rate NC1 as an exponential smoothing value.
- the congestion degree determination unit 123 of the server 100 determines whether or not the RB usage rate NC1 is equal to or less than a preset threshold value (step S4). If the RB usage rate NC1 is equal to or less than the threshold (YES in step S4), the process proceeds to step S5, and otherwise, the process proceeds to step S2. If the RB usage rate NC1 is less than or equal to the threshold value, the server 100 starts communication with the terminal device 200-1 (step S5). Furthermore, the server 100 continues communication with the terminal device 200-1 for a predetermined time (step S6).
- the throughput measuring unit 122 of the server 100 measures the communication throughput for each communication session in which communication is currently performed, and calculates the maximum value of the throughput (step S7).
- the congestion degree determination unit 123 of the server 100 determines whether or not the maximum value of the throughput calculated by the throughput measurement unit 122 is equal to or less than the threshold value 1 (step S8a). If the maximum value of the throughput is equal to or less than the threshold value 1 (YES in step S8a), the process proceeds to step S8b. Otherwise, the process proceeds to step S11.
- the congestion degree determination unit 123 of the server 100 determines whether or not the maximum throughput value calculated by the throughput measurement unit 122 is equal to or less than the threshold value 2 (Step S1). S8b). When the maximum value of the throughput is equal to or less than the threshold value 2 (YES in step S8b), the process proceeds to step S9. When the maximum value of the throughput exceeds the threshold value 2 (NO in step S8b), the process returns to step S6 and communication is continued for a certain time (step S6).
- step S9 the schedule calculation unit 124 of the server 100 determines whether there is untransmitted data in any of the terminal devices 200-1, 200-2, and 200-3 (step S9). If there is untransmitted data (YES in step S9), the process proceeds to step S10. Otherwise, the data communication is terminated.
- step S10 determines whether there is a waiting session. If yes (YES in step S10), the process returns to step S5, and the server 100 resumes the communication session. Otherwise, the process returns to step S6 and the server 100 continues communication with the terminal device 200-1 for a certain period of time. .
- the schedule calculating unit 124 of the server 100 interrupts one communication session (step S11). After this interruption, the schedule calculation unit 124 determines whether or not there is a session in communication. If there is no session (NO in step S12), the process proceeds to step S13. Otherwise, the process returns to step S6, and again. Continue communication for a certain time. If there is no communication session in step S12, the schedule calculation unit 124 determines whether there is a waiting session (step S13). If there is, the process returns to step S2, and if there is no session, data communication is performed. Exit.
- data communication can be started, interrupted, and resumed according to changes in the congestion degree of the communication line, as in the first embodiment. Furthermore, the number of data communication sessions can be controlled in accordance with changes in the degree of congestion on the communication line.
- the process returns to step S6 and communication is continued for a certain time.
- the congestion degree of a communication line is moderate, it can be made to operate
- FIG. 9 is a block diagram showing a configuration of a communication system according to the fifth exemplary embodiment of the present invention.
- the communication system of the present embodiment is different from the communication system of the first embodiment in that the throughput measurement unit 122 of the server-side control unit 120 is not necessary. That is, similarly to the third embodiment, the server-side control unit 120 of the server 100 of this embodiment includes a wireless information collection unit 121, a congestion degree determination unit 123, and a schedule calculation unit 124. .
- FIG. 10 is a flowchart for explaining the operation of the server 100 of this embodiment. As in the first and third embodiments, it is assumed that the terminal devices 200-1, 200-2, and 200-3 perform data communication with the server 100 when the degree of congestion of the communication line is low. To do.
- the server 100 starts operation (step S1).
- the wireless information collection unit 121 of the server 100 collects information related to wireless from the wireless information transmission unit 212 of the terminal device 200 at a certain period (step S2).
- the information regarding radio is information such as RSSI, RSRP, RSRQ, and SINR.
- the radio information collection unit 121 of the server 100 calculates the resource block (RB) usage rate of the radio base station 300 from the collected information about the radio (step S3).
- RB is the minimum allocation unit of radio resources
- the RB usage rate is a value obtained by dividing the number of RB usages by the number of all RBs that can be allocated.
- the RB usage rate NC1 can be calculated by (Expression 1), (Expression 2), or the like, as in the first embodiment.
- the wireless information collection unit 121 of the server 100 may calculate the RB usage rate NC1 as a moving average value.
- the wireless information collection unit 121 of the server 100 may calculate the RB usage rate NC1 as an exponential smoothing value.
- the congestion degree determination unit 123 of the server 100 determines whether or not the RB usage rate NC1 is equal to or less than a preset threshold value (step S4). If the RB usage rate NC1 is equal to or less than the threshold (YES in step S4), the process proceeds to step S5, and otherwise, the process proceeds to step S2. If the RB usage rate NC1 is less than or equal to the threshold value, the server 100 starts communication with the terminal device 200-1 (step S5). Furthermore, the server 100 continues communication with the terminal device 200-1 for a predetermined time (step S6).
- the radio information collection unit 121 of the server 100 collects information about radio, and calculates the resource block (RB) usage rate of the radio base station 300 from the collected information about radio (step S14).
- the congestion degree determination unit 123 of the server 100 determines whether or not the RB usage rate calculated by the wireless information collection unit 121 is equal to or less than the threshold value 1 (step S15a). If the calculated RB usage rate is equal to or less than the threshold 1 (YES in step S15a), the process proceeds to step S15b, and otherwise, the process proceeds to step S11.
- the congestion degree determination unit 123 of the server 100 determines whether the RB usage rate calculated by the wireless information collection unit 121 is equal to or less than the threshold value 2 (step S15b). .
- the process proceeds to step S9.
- step S9 the schedule calculation unit 124 of the server 100 determines whether there is untransmitted data in any of the terminal devices 200-1, 200-2, 200-3. Determine (step S9). If there is untransmitted data (YES in step S9), the process proceeds to step S10. Otherwise, the data communication is terminated.
- step S10 determines whether there is a waiting session. If yes (YES in step S10), the process returns to step S5, and the server 100 resumes the communication session. Otherwise, the process returns to step S6 and the server 100 continues communication with the terminal device 200-1 for a certain period of time. .
- step S11 When the RB usage rate calculated by the wireless information collection unit 121 exceeds the threshold value 1 (NO in step S15a), the schedule calculation unit 124 of the server 100 interrupts one communication session (step S11). After this interruption, the schedule calculation unit 124 determines whether or not there is a session in communication. If there is no session (NO in step S12), the process proceeds to step S13. Otherwise, the process returns to step S6, and again. Continue communication for a certain time. If there is no communication session in step S12, the schedule calculation unit 124 determines whether there is a waiting session (step S13). If there is, the process returns to step S2, and if there is no session, data communication is performed. Exit.
- data communication can be started, interrupted, and resumed according to changes in the congestion degree of the communication line, as in the first embodiment. Furthermore, the number of data communication sessions can be controlled in accordance with changes in the degree of congestion on the communication line.
- the determination is based on the RB usage rate rather than the throughput.
- the schedule of data communication performed with the terminal device 200 can be determined / changed according to the change in the RB usage rate. It can be done efficiently.
- the process returns to step S6 and communication is continued for a certain time. As a result, when the congestion level of the line is moderate, the communication state can be maintained.
- FIG. 4 is a diagram illustrating the configuration of a computer applicable to the wireless communication system according to each embodiment of the present invention and its modification.
- the direction of the arrow in a drawing shows an example and does not limit the direction of the signal between blocks.
- the information processing apparatus 900 includes a CPU (Central Processing Unit) 901, a ROM (Read Only Memory) 902, a RAM (Random Access Memory) 903, and a communication interface 904 (communication I / F 904). .
- the information processing apparatus 900 further includes a display 905 and an HDD (Hard Disk Drive) 906.
- the HDD 906 holds a program group 906A and various storage information 906B.
- the information processing apparatus 900 is connected to the communication network 1100 via the communication I / F 904.
- the CPU 901, ROM 902, RAM 903, communication I / F 904, display 905, and HDD 906 are connected to each other via a bus 907.
- the server 100 can be realized by the information processing apparatus 900 having such a hardware configuration. That is, a part or all of the server 3 in FIG. 1B has a program that performs functions equivalent to those of the wireless information collection unit 121, the throughput measurement unit 122, the congestion degree determination unit 123, and the schedule calculation unit 124 on the information processing apparatus 900. It can also be realized by executing the above.
- the program can be distributed in the form of a recording medium on which the program is recorded.
- This program is a general-purpose semiconductor recording device such as CF (Compact Flash (registered trademark)) and SD (Secure Digital), a magnetic recording medium such as a flexible disk, or a CD-ROM (Compact Disc Read Only Memory). ) And the like in the form of an optical recording medium.
- CF Compact Flash
- SD Secure Digital
- CD-ROM Compact Disc Read Only Memory
- a communication device that performs data communication with another communication device via a wireless base station, wireless information collection means for collecting wireless information related to wireless communication of the other communication device, and wireless communication from the collected wireless information
- a communication device comprising: a congestion level determination unit that determines a line congestion level; and a schedule determination unit that determines a schedule for data communication to be performed with the other communication device based on the determined congestion level.
- wireless information collection means is a communication apparatus of Additional remark 1 which calculates the utilization rate of the radio
- wireless information collection means is a communication apparatus of Additional remark 2 which calculates the utilization rate of the radio
- wireless information collection means is a communication apparatus of Additional remark 2 which calculates the utilization rate of the radio
- the said congestion degree determination means determines whether the calculated utilization rate of the said radio
- the threshold is less than or equal to 2 threshold, and data communication with the other communication device is continued when the usage rate of the radio resource exceeds the second threshold, any one of appendix 2 to appendix 4
- the communication device described. It further has a throughput measuring means for measuring the throughput of data communication performed with the other communication device, and the congestion degree judging means is a wireless circuit based on the collected wireless information and the measured maximum value of the throughput.
- the communication device according to any one of appendices 1 to 5, wherein the degree of congestion is determined.
- the said congestion degree determination means determines whether the maximum value of the throughput of the data communication performed between the said other communication apparatuses is more than a threshold, and when it is more than a threshold, The communication device according to appendix 7, wherein the data communication is continued.
- the said congestion degree determination means determines whether the maximum value of the throughput of the data communication performed between the said other communication apparatuses is below a 1st threshold value, and when it is below the said 1st threshold value The determination according to appendix 7, wherein it is determined whether or not the second threshold value is less than or equal to a second threshold value that is less than the first threshold value, and data communication with the other communication device is continued when the maximum value of the throughput exceeds the second threshold value.
- Communication equipment (Supplementary Note 10) In a communication system including a communication device that performs data communication with another communication device via a wireless base station, the communication device collects wireless information related to wireless communication of the other communication device.
- a communication system comprising: (Supplementary note 11) The communication system according to supplementary note 10, wherein the wireless information collection unit of the communication device calculates a usage rate of a wireless resource of the wireless base station from the collected wireless information. (Supplementary note 12) The communication system according to supplementary note 11, wherein the wireless information collection unit of the communication device calculates a usage rate of a wireless resource of the wireless base station as a moving average value from the collected wireless information.
- the communication system according to supplementary note 11, wherein the wireless information collection unit of the communication device calculates a usage rate of the wireless resource of the wireless base station as an exponential smoothing value from the collected wireless information.
- the said congestion degree determination means of the said communication apparatus determines whether the calculated utilization rate of the said radio
- the communication system according to any one of appendix 11 to appendix 13, wherein (Additional remark 15)
- the said congestion degree determination means of the said communication apparatus determines whether the usage rate of the calculated said radio
- the communication device further includes a throughput measurement unit that measures a throughput of data communication performed with the other communication device, and the congestion degree determination unit includes the collected wireless information and the measured throughput.
- the communication system according to any one of appendices 10 to 14, wherein the degree of congestion of the wireless line is determined from the maximum value.
- the said congestion degree determination means of the said communication apparatus determines whether the maximum value of the throughput of the data communication performed between the said other communication apparatuses is more than a threshold, and when it is more than a threshold, The communication system according to appendix 16, wherein data communication with another communication device is continued.
- the said congestion degree determination means of the said communication apparatus determines whether the maximum value of the throughput of the data communication performed between the said other communication apparatuses is below a 1st threshold value, and below the said 1st threshold value or less In some cases, it is determined whether or not the second threshold value is less than or equal to a second threshold value that is smaller than the first threshold value. If the maximum value of the throughput exceeds the second threshold value, data communication with the other communication device is continued. 16.
- the communication system according to 16. (Supplementary note 19) In a communication method for performing data communication with another communication device via a wireless base station, wireless information related to wireless communication of the other communication device is collected, and the congestion degree of the wireless line is determined from the collected wireless information.
- a communication method for determining and determining a schedule for data communication with the other communication device based on the determined degree of congestion (Supplementary note 20) The communication method according to supplementary note 19, wherein after collecting wireless information related to wireless communication of the other communication device, a usage rate of a wireless resource of the wireless base station is calculated from the collected wireless information. (Supplementary note 21) The communication method according to supplementary note 20, wherein the wireless resource usage rate of the wireless base station is calculated as a moving average value after collecting wireless information related to wireless communication of the other communication device. (Supplementary note 22) The communication method according to supplementary note 20, wherein the radio resource usage rate of the radio base station is calculated as an exponential smoothing value after collecting radio information related to radio communication of the other communication device.
- Supplementary Note 23 Any one of Supplementary Note 20 to Supplementary Note 22, wherein it is determined whether the calculated usage rate of the radio resource is equal to or less than a threshold value, and data communication with the other communication device is continued when the usage rate is equal to or less than the threshold value.
- the communication method as described in any one.
- Wireless information collection processing for collecting wireless information, congestion degree determination processing for determining a congestion degree of a wireless line from the collected wireless information, and data communication performed between the other communication devices based on the determined congestion degree
- the program according to supplementary note 28 is recorded, which causes a utilization rate calculation process to calculate a utilization rate of radio resources of the radio base station from the collected radio information after the radio information collection processing.
- Computer-readable recording medium
- (Supplementary Note 30) Computer-readable recording of the program according to Supplementary Note 29, wherein after the wireless information collection process, a usage rate calculation process for calculating a usage rate of radio resources of the radio base station as a moving average value is executed. Recording medium.
- (Supplementary note 31) A computer-readable program storing the program according to supplementary note 29, wherein, after the radio information collection process, a usage rate calculation process of calculating a radio resource usage rate of the radio base station as an exponential smoothing value is executed. Recording medium. (Supplementary Note 32) It is determined whether or not the calculated usage rate of the radio resource is equal to or less than a threshold value.
- a usage rate determination process for continuing data communication with the other communication device is executed.
- a computer-readable recording medium on which the described program is recorded.
- the information processing apparatus is further caused to execute a throughput measurement process for measuring the throughput of data communication performed with the other communication device, and the degree of congestion of the wireless line is determined from the collected wireless information and the measured throughput.
- a computer-readable recording medium on which the program according to attachment 34 is recorded, which causes a maximum value determination process to be executed.
- the present invention can be applied to applications such as realization so as not to interrupt communication of a smartphone or a mobile phone that requires real-time characteristics. This is a case where non-real-time communication such as downloading of moving image content and periodic information collection from a plurality of terminals is realized using network resources such as radio. Further, the present invention can be applied to a case where a user of an application that does not require real-time property desires an inexpensive communication fee in exchange for real-time property.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
上記通信機器は、上記他通信機器の無線通信に関する無線情報を収集する無線情報収集手段と、収集した上記無線情報から無線回線の混雑度を判定する混雑度判定手段と、判定した上記混雑度に基づいて上記他通信機器との間で行うデータ通信のスケジュールを決定するスケジュール決定手段と、を備えることを特徴とする。
上記他通信機器の無線通信に関する無線情報を収集する無線情報収集手段と、収集した上記無線情報から無線回線の混雑度を判定する混雑度判定手段と、判定した上記混雑度に基づいて上記他通信機器との間で行うデータ通信のスケジュールを決定するスケジュール決定手段と、を備えることを特徴とする。
上記他通信機器の無線通信に関する無線情報を収集し、収集した上記無線情報から無線回線の混雑度を判定し、判定した上記混雑度に基づいて上記他通信機器との間で行うデータ通信のスケジュールを決定することを特徴とする。
情報処理装置に、
上記他通信機器の無線通信に関する無線情報を収集する無線情報収集処理と、収集した上記無線情報から無線回線の混雑度を判定する混雑度判定処理と、判定した上記混雑度に基づいて上記他通信機器との間で行うデータ通信のスケジュールを決定するスケジュール決定処理と、を実行させることを特徴とする。
初めに、本発明の第1実施形態による通信システム、通信機器、及び通信方法について、説明する。
図2は、本発明の第1実施形態の通信システム1000の構成を示すブロック図である。図2に示されるように、本発明の第1実施形態の通信システム1000は、サーバ100と、複数の端末装置200-1、200-2及び200-3と、端末装置200と通信網400とを無線回線で接続する無線基地局300と、を含んで構成される。通信網400は、サーバ100と端末装置200とにそれぞれ接続されている。通信網400は、インターネット等の通信用のネットワークである。なお、以下の説明では、複数の端末装置200-1、200-2及び200-3の各々を特に区別して説明する必要がない限り、これらを総称して端末装置200とする。
次に、図3を用いて、サーバ100及び端末装置200を含む無線通信システム1000の動作を説明する。図3は、本発明の第1実施形態のサーバ100の動作を説明するためのフローチャートである。
このように、本実施形態の通信システムによれば、通信回線の混雑度の変化に応じて、データ通信の開始、中断、及び再開を行うことができる。更に、通信回線の混雑度の変化に応じて、データ通信のセッション数を制御することができる。
次に、本発明の第2実施形態による通信システム、通信機器、及び通信方法について、説明する。図5は、本発明の第2実施形態に係る無線通信システムの構成を示すブロック図である。
次に、本発明の第3実施形態による通信システム、通信機器、及び通信方法について、説明する。図6は、本発明の第3実施形態の通信システムの構成を示すブロック図である。本実施形態の通信システムは、サーバ側制御部120のスループット測定部122を不要とした点で、第1実施形態の通信システムと相違する。すなわち本実施形態のサーバ100のサーバ側制御部120は、無線情報収集部121と、混雑度判定部123と、スケジュール算出部124と、を含んで構成されている。
本実施形態による動作、通信方法について、説明する。図7は、本実施形態のサーバ100の動作を説明するためのフローチャートである。第1実施形態と同様に、端末装置200-1、200-2、200-3が、サーバ100との間で、通信回線の混雑度が低いときにデータ通信する場合を想定する。
本実施形態による通信システム、通信機器、及び通信方法によれば、第1実施形態と同様に通信回線の混雑度の変化に応じて、データ通信の開始、中断、及び再開を行うことができる。更に、通信回線の混雑度の変化に応じて、データ通信のセッション数を制御することができる。更に、本実施形態の通信システムでは、ステップS14、S15において、スループットではなくRB使用率を基準として判定している。これにより、通信の混雑度が待ち時間よりも短い周期で変動する状況においても、RB使用率の変動に応じて端末装置200との間で行うデータ通信のスケジュールを決定・変更でき、データ通信を効率良く行うことができる。
次に、本発明の第4実施形態による通信システム、通信機器、及び通信方法について、説明する。本実施形態は第1実施形態の変形例であり、第1実施形態による通信システム、通信機器と同一の構成を用いながら、通信方法が異なる場合である。第1実施形態による通信システム、通信機器と同一の構成を用いるので、その説明は省略することとする。
本実施形態による動作、通信方法について、説明する。図8は、本実施形態のサーバ100の動作を説明するためのフローチャートである。第1実施形態と同様に、端末装置200-1、200-2、200-3が、サーバ100との間で、通信回線の混雑度が低いときにデータ通信する場合を想定する。
本実施形態による通信システム、通信機器、及び通信方法によれば、第1実施形態と同様に通信回線の混雑度の変化に応じて、データ通信の開始、中断、及び再開を行うことができる。更に、通信回線の混雑度の変化に応じて、データ通信のセッション数を制御することができる。
次に、本発明の第5実施形態による通信システム、通信機器、及び通信方法について、説明する。図9は、本発明の第5実施形態の通信システムの構成を示すブロック図である。本実施形態の通信システムは、サーバ側制御部120のスループット測定部122を不要とした点で、第1実施形態の通信システムと相違する。すなわち本実施形態のサーバ100のサーバ側制御部120は、第3実施形態と同様に、無線情報収集部121と、混雑度判定部123と、スケジュール算出部124と、を含んで構成されている。
本実施形態による動作、通信方法について、説明する。図10は、本実施形態のサーバ100の動作を説明するためのフローチャートである。第1実施形態や第3実施形態と同様に、端末装置200-1、200-2、200-3が、サーバ100との間で、通信回線の混雑度が低いときにデータ通信する場合を想定する。
本実施形態による通信システム、通信機器、及び通信方法によれば、第1実施形態と同様に通信回線の混雑度の変化に応じて、データ通信の開始、中断、及び再開を行うことができる。更に、通信回線の混雑度の変化に応じて、データ通信のセッション数を制御することができる。
上述した本発明の各実施形態及びその変形例に係る通信システム、通信機器、及び通信方法は、このような構成や動作を実現するプログラムを実行できる情報処理装置によっても実現されうる。このプログラムは、コンピュータ読み取り可能な記録媒体の形態で、流通され得る。このような記録媒体に記録されたプログラムを読み込んで、情報処理装置で実行することにより、本実施形態の機能をソフトウェア的に実現してもよい。
(付記1)無線基地局を経由して、他通信機器とデータ通信を行う通信機器において、前記他通信機器の無線通信に関する無線情報を収集する無線情報収集手段と、収集した前記無線情報から無線回線の混雑度を判定する混雑度判定手段と、判定した前記混雑度に基づいて前記他通信機器との間で行うデータ通信のスケジュールを決定するスケジュール決定手段と、を備える通信機器。
(付記2)前記無線情報収集手段は、前記収集した無線情報から、前記無線基地局の無線リソースの使用率を算出する、付記1に記載の通信機器。
(付記3)前記無線情報収集手段は、前記収集した無線情報から、前記無線基地局の無線リソースの使用率を移動平均値として算出する、付記2に記載の通信機器。
(付記4)前記無線情報収集手段は、前記収集した無線情報から、前記無線基地局の無線リソースの使用率を指数平滑値として算出する、付記2に記載の通信機器。
(付記5)前記混雑度判定手段は、算出された前記無線リソースの使用率が閾値以下であるかどうかを判定し、閾値以下である場合には前記他通信機器とのデータ通信を継続する、付記2乃至付記4のいずれか一つに記載の通信機器。
(付記6)前記混雑度判定手段は、算出された前記無線リソースの使用率が第1閾値以下であるかどうかを判定し、前記第1閾値以下である場合には前記第1閾値より小さい第2閾値以下であるかどうかを判定し、前記無線リソースの使用率が前記第2閾値を越える場合には前記他通信機器とのデータ通信を継続する、付記2乃至付記4のいずれか一つに記載の通信機器。
(付記7)前記他通信機器との間で行うデータ通信のスループットを測定するスループット測定手段をさらに備え、前記混雑度判定手段は、収集した前記無線情報と測定した前記スループットの最大値から無線回線の混雑度を判定する、付記1乃至5のいずれか一つに記載の通信機器。
(付記8)前記混雑度判定手段は、前記他通信機器との間で行うデータ通信のスループットの最大値が閾値以上であるかどうかを判定し、閾値以上である場合には前記他通信機器とのデータ通信を継続する、付記7に記載の通信機器。
(付記9)前記混雑度判定手段は、前記他通信機器との間で行うデータ通信のスループットの最大値が第1閾値以下であるかどうかを判定し、前記第1閾値以下である場合には前記第1閾値より小さい第2閾値以下であるかどうかを判定し、前記スループットの最大値が前記第2閾値を越える場合には前記他通信機器とのデータ通信を継続する、付記7に記載の通信機器。
(付記10)無線基地局を経由して、他通信機器とデータ通信を行う通信機器を含む通信システムにおいて、前記通信機器は、前記他通信機器の無線通信に関する無線情報を収集する無線情報収集手段と、収集した前記無線情報から無線回線の混雑度を判定する混雑度判定手段と、判定した前記混雑度に基づいて前記他通信機器との間で行うデータ通信のスケジュールを決定するスケジュール決定手段と、を備える通信システム。
(付記11)前記通信機器の前記無線情報収集手段は、前記収集した無線情報から、前記無線基地局の無線リソースの使用率を算出する、付記10に記載の通信システム。
(付記12)前記通信機器の前記無線情報収集手段は、前記収集した無線情報から、前記無線基地局の無線リソースの使用率を移動平均値として算出する、付記11に記載の通信システム。
(付記13)前記通信機器の前記無線情報収集手段は、前記収集した無線情報から、前記無線基地局の無線リソースの使用率を指数平滑値として算出する、付記11に記載の通信システム。
(付記14)前記通信機器の前記混雑度判定手段は、算出された前記無線リソースの使用率が閾値以下であるかどうかを判定し、閾値以下である場合には前記他通信機器とのデータ通信を継続する、付記11乃至付記13のいずれか一つに記載の通信システム。
(付記15)前記通信機器の前記混雑度判定手段は、算出された前記無線リソースの使用率が第1閾値以下であるかどうかを判定し、前記第1閾値以下である場合には前記第1閾値より小さい第2閾値以下であるかどうかを判定し、前記無線リソースの使用率が前記第2閾値を越える場合には前記他通信機器とのデータ通信を継続する、付記11乃至付記13のいずれか一つに記載の通信システム。
(付記16)前記通信機器は、前記他通信機器との間で行うデータ通信のスループットを測定するスループット測定手段をさらに備え、前記混雑度判定手段は、収集した前記無線情報と測定した前記スループットの最大値から無線回線の混雑度を判定する、付記10乃至14のいずれか一つに記載の通信システム。
(付記17)前記通信機器の前記混雑度判定手段は、前記他通信機器との間で行うデータ通信のスループットの最大値が閾値以上であるかどうかを判定し、閾値以上である場合には前記他通信機器とのデータ通信を継続する、付記16に記載の通信システム。
(付記18)前記通信機器の前記混雑度判定手段は、前記他通信機器との間で行うデータ通信のスループットの最大値が第1閾値以下であるかどうかを判定し、前記第1閾値以下である場合には前記第1閾値より小さい第2閾値以下であるかどうかを判定し、前記スループットの最大値が前記第2閾値を越える場合には前記他通信機器とのデータ通信を継続する、付記16に記載の通信システム。
(付記19)無線基地局を経由して、他通信機器とデータ通信を行う通信方法において、前記他通信機器の無線通信に関する無線情報を収集し、収集した前記無線情報から無線回線の混雑度を判定し、判定した前記混雑度に基づいて前記他通信機器との間で行うデータ通信のスケジュールを決定する、通信方法。
(付記20)前記他通信機器の無線通信に関する無線情報を収集した後に、前記収集した無線情報から、前記無線基地局の無線リソースの使用率を算出する、付記19に記載の通信方法。
(付記21)前記他通信機器の無線通信に関する無線情報を収集した後に、前記無線基地局の無線リソースの使用率を移動平均値として算出する、付記20に記載の通信方法。
(付記22)前記他通信機器の無線通信に関する無線情報を収集した後に、前記無線基地局の無線リソースの使用率を指数平滑値として算出する、付記20に記載の通信方法。
(付記23)算出された前記無線リソースの使用率が閾値以下であるかどうかを判定し、閾値以下である場合には前記他通信機器とのデータ通信を継続する、付記20乃至付記22のいずれか一つに記載の通信方法。
(付記24)算出された前記無線リソースの使用率が第1閾値以下であるかどうかを判定し、前記第1閾値以下である場合には前記第1閾値より小さい第2閾値以下であるかどうかを判定し、前記無線リソースの使用率が前記第2閾値を越える場合には前記他通信機器とのデータ通信を継続する、付記20乃至付記22のいずれか一つに記載の通信方法。
(付記25)前記他通信機器との間で行うデータ通信のスループットを測定し、収集した前記無線情報と測定したスループットの最大値から無線回線の混雑度を判定する、付記19乃至付記23のいずれか一つに記載の通信方法。
(付記26)前記他通信機器との間で行うデータ通信のスループットの最大値が閾値以上であるかどうかを判定し、閾値以上である場合には前記他通信機器とのデータ通信を継続する、付記25に記載の通信方法。
(付記27)前記他通信機器との間で行うデータ通信のスループットの最大値が第1閾値以下であるかどうかを判定し、前記第1閾値以下である場合には前記第1閾値より小さい第2閾値以下であるかどうかを判定し、前記スループットの最大値が前記第2閾値を越える場合には前記他通信機器とのデータ通信を継続する、付記25に記載の通信方法。
(付記28)無線基地局を経由して、他通信機器とデータ通信を行うためのプログラムが記録されたコンピュータ読み取り可能な記録媒体であって、情報処理装置に、前記他通信機器の無線通信に関する無線情報を収集する無線情報収集処理と、収集した前記無線情報から無線回線の混雑度を判定する混雑度判定処理と、判定した前記混雑度に基づいて前記他通信機器との間で行うデータ通信のスケジュールを決定するスケジュール決定処理と、を実行させるプログラムが記録されたコンピュータ読み取り可能な記録媒体。
(付記29)前記無線情報収集処理の後に、前記収集した無線情報から、前記無線基地局の無線リソースの使用率を算出する使用率算出処理を実行させる、付記28に記載のプログラムが記録されたコンピュータ読み取り可能な記録媒体。
(付記30)前記無線情報収集処理の後に、前記無線基地局の無線リソースの使用率を移動平均値として算出する使用率算出処理を実行させる、付記29に記載のプログラムが記録されたコンピュータ読み取り可能な記録媒体。
(付記31)前記無線情報収集処理の後に、前記無線基地局の無線リソースの使用率を指数平滑値として算出する使用率算出処理を実行させる、付記29に記載のプログラムが記録されたコンピュータ読み取り可能な記録媒体。
(付記32)算出された前記無線リソースの使用率が閾値以下であるかどうかを判定し、閾値以下である場合には前記他通信機器とのデータ通信を継続する使用率判定処理を実行させる、付記29乃至付記31のいずれか一つに記載のプログラムが記録されたコンピュータ読み取り可能な記録媒体。
(付記33)算出された前記無線リソースの使用率が第1閾値以下であるかどうかを判定し、前記第1閾値以下である場合には前記第1閾値より小さい第2閾値以下であるかどうかを判定し、前記無線リソースの使用率が前記第2閾値を越える場合には前記他通信機器とのデータ通信を継続する使用率判定処理を実行させる、付記29乃至付記31のいずれか一つに記載のプログラムが記録されたコンピュータ読み取り可能な記録媒体。
(付記34)情報処理装置に、前記他通信機器との間で行うデータ通信のスループットを測定するスループット測定処理を更に実行させ、収集した前記無線情報と測定した前記スループットから無線回線の混雑度を判定させる、付記28乃至付記32のいずれか一つに記載のプログラムが記録されたコンピュータ読み取り可能な記録媒体。
(付記35)前記他通信機器との間で行うデータ通信のスループットの最大値が閾値以上であるかどうかを判定し、閾値以上である場合には前記他通信機器とのデータ通信を継続するスループット最大値判定処理を実行させる、付記34に記載のプログラムが記録されたコンピュータ読み取り可能な記録媒体。
(付記36)前記他通信機器との間で行うデータ通信のスループットの最大値が第1閾値以下であるかどうかを判定し、前記第1閾値以下である場合には前記第1閾値より小さい第2閾値以下であるかどうかを判定し、前記スループットの最大値が前記第2閾値を越える場合には前記他通信機器とのデータ通信を継続するスループット最大値判定処理を実行させる、付記34に記載のプログラムが記録されたコンピュータ読み取り可能な記録媒体。
2、300 無線基地局
4 無線情報収集部
5 混雑度判定部
6 スケジュール決定部
3、100 サーバ
110 サーバ側データ通信部
120 サーバ側制御部
121 無線情報収集部
122 スループット測定部
123 混雑度判定部
124 スケジュール算出部
200、200-1、200-2、200-3 端末装置
210 端末側制御部
211 無線測定部
212 無線情報送信部
220 端末側データ通信部
400 通信網
900 情報処理装置
901 CPU
902 ROM
903 RAM
904 通信I/F
905 ディスプレイ
906 HDD
906A プログラム群
906B 各種の記憶情報
907 バス
1000 通信システム
1100 通信ネットワーク
Claims (10)
- 無線基地局を経由して、他通信機器とデータ通信を行う通信機器において、
前記他通信機器の無線通信に関する無線情報を収集する無線情報収集手段と、収集した前記無線情報から無線回線の混雑度を判定する混雑度判定手段と、判定した前記混雑度に基づいて前記他通信機器との間で行うデータ通信のスケジュールを決定するスケジュール決定手段と、を備える通信機器。 - 前記無線情報収集手段は、前記収集した無線情報から、前記無線基地局の無線リソースの使用率を算出する、請求項1に記載の通信機器。
- 前記混雑度判定手段は、算出された前記無線リソースの使用率が閾値以下であるかどうかを判定し、閾値以下である場合には前記他通信機器とのデータ通信を継続する、請求項2に記載の通信機器。
- 前記混雑度判定手段は、算出された前記無線リソースの使用率が第1閾値以下であるかどうかを判定し、前記第1閾値以下である場合には前記第1閾値より小さい第2閾値以下であるかどうかを判定し、前記無線リソースの使用率が前記第2閾値を越える場合には前記他通信機器とのデータ通信を継続する、請求項2に記載の通信機器。
- 前記他通信機器との間で行うデータ通信のスループットを測定するスループット測定手段をさらに備え、
前記混雑度判定手段は、収集した前記無線情報と測定した前記スループットの最大値から無線回線の混雑度を判定する、請求項1乃至3のいずれか一項に記載の通信機器。 - 前記混雑度判定手段は、前記他通信機器との間で行うデータ通信のスループットの最大値が閾値以上であるかどうかを判定し、閾値以上である場合には前記他通信機器とのデータ通信を継続する、請求項5に記載の通信機器。
- 前記混雑度判定手段は、前記他通信機器との間で行うデータ通信のスループットの最大値が第1閾値以下であるかどうかを判定し、前記第1閾値以下である場合には前記第1閾値より小さい第2閾値以下であるかどうかを判定し、前記スループットの最大値が前記第2閾値を越える場合には前記他通信機器とのデータ通信を継続する、請求項5に記載の通信機器。
- 無線基地局を経由して、他通信機器とデータ通信を行う通信機器を含む通信システムにおいて、
前記通信機器は、
前記他通信機器の無線通信に関する無線情報を収集する無線情報収集手段と、収集した前記無線情報から無線回線の混雑度を判定する混雑度判定手段と、判定した前記混雑度に基づいて前記他通信機器との間で行うデータ通信のスケジュールを決定するスケジュール決定手段と、を備える通信システム。 - 無線基地局を経由して、他通信機器とデータ通信を行う通信方法において、
前記他通信機器の無線通信に関する無線情報を収集し、収集した前記無線情報から無線回線の混雑度を判定し、判定した前記混雑度に基づいて前記他通信機器との間で行うデータ通信のスケジュールを決定する、通信方法。 - 無線基地局を経由して、他通信機器とデータ通信を行うためのプログラムが記録されたコンピュータ読み取り可能な記録媒体であって、
情報処理装置に、
前記他通信機器の無線通信に関する無線情報を収集する無線情報収集処理と、収集した前記無線情報から無線回線の混雑度を判定する混雑度判定処理と、判定した前記混雑度に基づいて前記他通信機器との間で行うデータ通信のスケジュールを決定するスケジュール決定処理と、を実行させる記録媒体。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15860266.4A EP3223560A4 (en) | 2014-11-18 | 2015-11-11 | Communication system, communication device, communication method, and recording medium |
JP2016559808A JP6690546B2 (ja) | 2014-11-18 | 2015-11-11 | 通信システム、通信機器、通信方法、及び記録媒体 |
US15/521,955 US20170332391A1 (en) | 2014-11-18 | 2015-11-11 | Communication system, communication device, communication method and recording medium |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014233693 | 2014-11-18 | ||
JP2014-233693 | 2014-11-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016079958A1 true WO2016079958A1 (ja) | 2016-05-26 |
Family
ID=56013532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2015/005635 WO2016079958A1 (ja) | 2014-11-18 | 2015-11-11 | 通信システム、通信機器、通信方法、及び記録媒体 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20170332391A1 (ja) |
EP (1) | EP3223560A4 (ja) |
JP (1) | JP6690546B2 (ja) |
WO (1) | WO2016079958A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114500357A (zh) * | 2020-10-27 | 2022-05-13 | 北京华为数字技术有限公司 | 一种路径确定方法及装置 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6780579B2 (ja) * | 2017-05-12 | 2020-11-04 | トヨタ自動車株式会社 | 無線端末及び通信制御方法 |
WO2019004013A1 (ja) * | 2017-06-26 | 2019-01-03 | 日本電気株式会社 | データ送信装置、方法および記録媒体 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010226342A (ja) * | 2009-03-23 | 2010-10-07 | Kddi Corp | 無線通信端末 |
JP2011049617A (ja) * | 2009-08-25 | 2011-03-10 | Hitachi Ltd | 無線リソースの割り当て方法および基地局装置 |
JP2014175926A (ja) * | 2013-03-11 | 2014-09-22 | Kddi Corp | 基地局装置および無線通信方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA946674B (en) * | 1993-09-08 | 1995-05-02 | Qualcomm Inc | Method and apparatus for determining the transmission data rate in a multi-user communication system |
US6304549B1 (en) * | 1996-09-12 | 2001-10-16 | Lucent Technologies Inc. | Virtual path management in hierarchical ATM networks |
EP1326463A1 (en) * | 2002-01-07 | 2003-07-09 | Lucent Technologies Inc. | Method and apparatus for packet transmission scheduling by performing load control functionality |
US9712443B1 (en) * | 2004-06-25 | 2017-07-18 | InMon Corp. | Distributed traffic quota measurement and enforcement |
US7724656B2 (en) * | 2005-01-14 | 2010-05-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Uplink congestion detection and control between nodes in a radio access network |
EP1793639B1 (en) * | 2005-11-30 | 2012-01-11 | NTT DoCoMo, Inc. | Call admission control device and call admission control method |
US8755270B2 (en) * | 2007-02-05 | 2014-06-17 | Telefonaktiebolaget L M Ericsson (Publ) | Congestion/load indication for high speed packet access |
US20100317385A1 (en) * | 2008-02-05 | 2010-12-16 | Muhammad Kazmi | Method and System for Mitigating Inter-Cell Interference |
US8543685B1 (en) * | 2008-08-12 | 2013-09-24 | Eden Rock Communications, Llc | Usage based multiplier modification in rate limiting schemes |
JP4785947B2 (ja) * | 2009-05-01 | 2011-10-05 | 株式会社エヌ・ティ・ティ・ドコモ | 無線基地局 |
US8499066B1 (en) * | 2010-11-19 | 2013-07-30 | Amazon Technologies, Inc. | Predicting long-term computing resource usage |
US8860587B2 (en) * | 2011-07-25 | 2014-10-14 | Christopher Andrew Nordstrom | Interfacing customers with mobile vendors |
US8667167B2 (en) * | 2011-11-28 | 2014-03-04 | Huawei Technologies Co., Ltd. | Method and network device for controlling transmission rate of communication interface |
CN102404829B (zh) * | 2011-12-07 | 2016-08-10 | 华为技术有限公司 | 功率控制的方法及装置 |
JPWO2014087671A1 (ja) * | 2012-12-06 | 2017-01-05 | 日本電気株式会社 | 通信ネットワークにおける無線通信端末およびネットワーク通信負荷推定方法 |
US9629069B2 (en) * | 2012-12-26 | 2017-04-18 | Nec Corporation | Communication device and communication control method |
SG11201504449SA (en) * | 2012-12-31 | 2015-07-30 | Huawei Tech Co Ltd | Radio bearer control method, device, and system |
US9722929B2 (en) * | 2013-04-08 | 2017-08-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Congestion aware throughput targets |
JP2015115756A (ja) * | 2013-12-11 | 2015-06-22 | ソニー株式会社 | 通信制御装置、通信制御方法及びプログラム |
-
2015
- 2015-11-11 JP JP2016559808A patent/JP6690546B2/ja active Active
- 2015-11-11 US US15/521,955 patent/US20170332391A1/en not_active Abandoned
- 2015-11-11 EP EP15860266.4A patent/EP3223560A4/en not_active Withdrawn
- 2015-11-11 WO PCT/JP2015/005635 patent/WO2016079958A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010226342A (ja) * | 2009-03-23 | 2010-10-07 | Kddi Corp | 無線通信端末 |
JP2011049617A (ja) * | 2009-08-25 | 2011-03-10 | Hitachi Ltd | 無線リソースの割り当て方法および基地局装置 |
JP2014175926A (ja) * | 2013-03-11 | 2014-09-22 | Kddi Corp | 基地局装置および無線通信方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3223560A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114500357A (zh) * | 2020-10-27 | 2022-05-13 | 北京华为数字技术有限公司 | 一种路径确定方法及装置 |
CN114500357B (zh) * | 2020-10-27 | 2024-02-09 | 北京华为数字技术有限公司 | 一种路径确定方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
US20170332391A1 (en) | 2017-11-16 |
EP3223560A1 (en) | 2017-09-27 |
JP6690546B2 (ja) | 2020-04-28 |
EP3223560A4 (en) | 2018-07-18 |
JPWO2016079958A1 (ja) | 2017-08-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20190313420A1 (en) | Method and User Equipment for Predicting Available Throughput for Uplink Data | |
US11290239B2 (en) | Communication control apparatus and communication control method | |
CN110225553B (zh) | 一种数据分流方法及设备、系统 | |
JP6545912B2 (ja) | メッセージ送信方法及びユーザ機器 | |
WO2015070625A1 (zh) | 一种网络数据传输方法、装置及系统 | |
JP2007166593A (ja) | データ通信サーバ、データ通信方法およびプログラム | |
WO2016079958A1 (ja) | 通信システム、通信機器、通信方法、及び記録媒体 | |
JP2024001184A (ja) | リソース割り当てのための方法、端末デバイス、および基地局 | |
JP7099537B2 (ja) | 通信装置、通信方法及びプログラム | |
US9565116B2 (en) | Executing variable-priority jobs using multiple statistical thresholds in cellular networks | |
WO2017147771A1 (zh) | 业务优化处理方法、设备及系统 | |
EP2469923A1 (en) | Radio access network, base station, and data transfer method | |
JP5839999B2 (ja) | 通信端末装置 | |
WO2022151282A1 (zh) | 一种用于用户体验质量QoE测量的方法及装置 | |
Dräxler et al. | Anticipatory buffer control and quality selection for wireless video streaming | |
JP6439286B2 (ja) | 通信制御装置、通信制御システム及び通信制御方法 | |
JP2014239330A (ja) | 中継ノード | |
JP6583269B2 (ja) | 無線通信装置、無線通信方法、およびコンピュータ・プログラム | |
JP2009267563A (ja) | 無線通信システム | |
US20190191447A1 (en) | Method and apparatus for scheduling terminal radio resources | |
WO2019017402A1 (ja) | 基地局、通信システム、通信制御方法、及び通信制御プログラム | |
JP2014116814A (ja) | 情報処理装置 | |
KR20140024645A (ko) | 과부하 정보를 이용한 적응적 비실시간 트래픽 제어 방법과 그를 위한 단말기, 정책 제공 장치 | |
US20160105671A1 (en) | Adaptive streaming in wireless communication systems | |
US11503506B2 (en) | Base station device, wireless communication control method, and recording medium having base station control program stored therein |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15860266 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2016559808 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15521955 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
REEP | Request for entry into the european phase |
Ref document number: 2015860266 Country of ref document: EP |