Communication device, communication system, communication method and communication program
First Claim
1. A communication device, comprising:
- a communication unit;
a pseudo data transmission unit which transmits pseudo data that comprises a pseudo of true data in communication between said communication devices,a determination unit which determines whether to transmit said pseudo data or not, wherein said pseudo data transmission unit transmits said pseudo data based on a result of determination made by said determination unit,an obtaining unit which obtains said true data, wherein said determination unit determines whether to transmit said pseudo data or not according to a communication condition of said true data obtained by said obtaining unit, anda pseudo data generation information storage unit which stores pseudo data generation information for generating said pseudo data, wherein said pseudo data transmission unit generates said pseudo data based on said pseudo data generation information stored in said pseudo data generation information storage unit,wherein said determination unit determines to start transmission of said pseudo data at a lapse of a timer value after detecting intermission of said true data obtained by said obtaining unit and determines to stop transmission of said pseudo data upon detecting occurrence of said true data,wherein said pseudo data generation information storage unit stores application information related to an application for making a pseudo of said true data, and said pseudo data transmission unit generates a series of said data frames based on said application information stored in said pseudo data generation information storage unit and transmits the data frames in a predetermined order until a stop request is received, andwherein said pseudo data transmission unit, after selecting at random, related to said application information stored in said pseudo data generation information storage unit, one from application types indicating which of said applications is assumed to transmit said pseudo data and transmitting said pseudo data corresponding to selected said application type based on said data communication continuous time, stops transmission of said pseudo data for a random time period, again selects at random one from said application types stored in said pseudo data generation information storage unit and thereafter repeats the foregoing operation until a request for stopping transmission of said pseudo data is received.
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Accused Products
Abstract
The object is to prevent a third party from specifying a condition of data communication executed by a radio terminal in a radio network using a radio communication device easily accessible to anyone such as WLAN. The radio base station 2 comprises a unit which determines whether to transmit a pseudo data frame assumed to be actual data communication according to a condition of data communication with the radio terminal 3 and a unit which stores information which is information for generating a pseudo data frame and based on actual data communication with the radio terminal 3, thereby generating and transmitting a pseudo data frame based on the stored information when starting pseudo data frame transmission.
11 Citations
49 Claims
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1. A communication device, comprising:
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a communication unit; a pseudo data transmission unit which transmits pseudo data that comprises a pseudo of true data in communication between said communication devices, a determination unit which determines whether to transmit said pseudo data or not, wherein said pseudo data transmission unit transmits said pseudo data based on a result of determination made by said determination unit, an obtaining unit which obtains said true data, wherein said determination unit determines whether to transmit said pseudo data or not according to a communication condition of said true data obtained by said obtaining unit, and a pseudo data generation information storage unit which stores pseudo data generation information for generating said pseudo data, wherein said pseudo data transmission unit generates said pseudo data based on said pseudo data generation information stored in said pseudo data generation information storage unit, wherein said determination unit determines to start transmission of said pseudo data at a lapse of a timer value after detecting intermission of said true data obtained by said obtaining unit and determines to stop transmission of said pseudo data upon detecting occurrence of said true data, wherein said pseudo data generation information storage unit stores application information related to an application for making a pseudo of said true data, and said pseudo data transmission unit generates a series of said data frames based on said application information stored in said pseudo data generation information storage unit and transmits the data frames in a predetermined order until a stop request is received, and wherein said pseudo data transmission unit, after selecting at random, related to said application information stored in said pseudo data generation information storage unit, one from application types indicating which of said applications is assumed to transmit said pseudo data and transmitting said pseudo data corresponding to selected said application type based on said data communication continuous time, stops transmission of said pseudo data for a random time period, again selects at random one from said application types stored in said pseudo data generation information storage unit and thereafter repeats the foregoing operation until a request for stopping transmission of said pseudo data is received. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A communication method in a communication device comprising a communication unit, said method including:
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transmitting pseudo data that comprises a pseudo of true data in communication between said communication devices; determining whether to transmit said pseudo data or not, wherein in said pseudo data transmitting, transmitting said pseudo data based on a result of determination made by said determining; obtaining said true data, wherein in said determining, determining whether to transmit said pseudo data or not according to a communication condition of said true data obtained by said obtaining; and storing pseudo data generation information for generating said pseudo data in a pseudo data generation information storage unit, wherein in said determining, determining to start transmission of said pseudo data at a lapse of a timer value after detecting intermission of said true data obtained by said obtaining and determining to stop transmission of said pseudo data upon detecting occurrence of said true data, wherein in said transmitting, generating said pseudo data based on said pseudo data generation information stored in said pseudo data generation information storage unit, wherein in said transmitting, generating a series of said data frames based on application information related to an application for making a pseudo of said true data and transmits the data frames in a predetermined order until a stop request is received, and wherein in said transmitting, after selecting at random, related to said application information, one from application types indicating which of said applications is assumed to transmit said pseudo data and transmitting said pseudo data corresponding to selected said application type based on said data communication continuous time, stops transmission of said pseudo data for a random time period, again selects at random one from said application types stored in said pseudo data generation information storage unit and thereafter repeats the foregoing operation until a request for stopping transmission of said pseudo data is received. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. A non-transitory computer readable medium storing a communication program executed on a communication device having a communication unit, comprising:
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a function of transmitting pseudo data that comprises a pseudo of true data in communication between said communication devices; a function of determining whether to transmit said pseudo data or not, wherein in said transmitting function, transmitting said pseudo data based on a result of determination made by said determination unit; and a function of obtaining said true data, wherein in said determination function, determining whether to transmit said pseudo data or not according to a communication condition of said true data obtained by said obtaining unit; and a function of storing pseudo data generation information for generating said pseudo data in a pseudo data generation information storage unit, wherein in said determination function, determining to start transmission of said pseudo data at a lapse of a timer value after detecting intermission of said true data obtained by said obtaining unit, and determining to stop transmission of said pseudo data upon detecting occurrence of said true data, wherein in said transmitting function, generating said pseudo data based on said pseudo data generation information stored in said pseudo data generation information storage unit, wherein in said transmitting function, generating a series of said data frames based on application information related to an application for making a pseudo of said true data and transmitting the data frames in a predetermined order until a stop request is received, and wherein in said transmitting function, after selecting at random, related to said application information, one from application types indicating which of said applications is assumed to transmit said pseudo data and transmitting said pseudo data corresponding to selected said application type based on said data communication continuous time, stopping transmission of said pseudo data for a random time period, again selecting at random one from said application types stored in said pseudo data generation information storage unit and thereafter repeating the foregoing operation until a request for stopping transmission of said pseudo data is received. - View Dependent Claims (37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49)
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Specification