초록 ▼

A base station BTS1 includes a mobile station-directing measuring/comparing section 171 for selectively outputting a hand-over request signal on the basis of data indicative of the received power level of a talk signal or packet signal 101 from a mobile station MS1. A base station control unit BSC i

A base station BTS1 includes a mobile station-directing measuring/comparing section 171 for selectively outputting a hand-over request signal on the basis of data indicative of the received power level of a talk signal or packet signal 101 from a mobile station MS1. A base station control unit BSC includes a station arrangement information table 105, and selects in response to a hand-over request signal a supplementary base station SBTS1 that executes the hand-over and outputs an operation start command. The base station control unit also outputs a supplementary base station power measurement command when a first identification signal is outputted, and therefore the mobile station selectively outputs a supplementary base station measurement result signal on the basis of data indicative of the received power level of the first identification signal. The base station control unit further outputs a hand-over execute command. The supplementary base station includes a connection/disconnection control section 131 for generating a control signal in response to the operation start command and setting up a wireless channel to the base station control unit in response to the hand-over execute command and a start/stop control section 133 for outputting a start signal in response to the control signal so that the first identification signal is outputted.

대표청구항 ▼

A base station BTS1 includes a mobile station-directing measuring/comparing section 171 for selectively outputting a hand-over request signal on the basis of data indicative of the received power level of a talk signal or packet signal 101 from a mobile station MS1. A base station control unit BSC i

A base station BTS1 includes a mobile station-directing measuring/comparing section 171 for selectively outputting a hand-over request signal on the basis of data indicative of the received power level of a talk signal or packet signal 101 from a mobile station MS1. A base station control unit BSC includes a station arrangement information table 105, and selects in response to a hand-over request signal a supplementary base station SBTS1 that executes the hand-over and outputs an operation start command. The base station control unit also outputs a supplementary base station power measurement command when a first identification signal is outputted, and therefore the mobile station selectively outputs a supplementary base station measurement result signal on the basis of data indicative of the received power level of the first identification signal. The base station control unit further outputs a hand-over execute command. The supplementary base station includes a connection/disconnection control section 131 for generating a control signal in response to the operation start command and setting up a wireless channel to the base station control unit in response to the hand-over execute command and a start/stop control section 133 for outputting a start signal in response to the control signal so that the first identification signal is outputted. nuously updating the connection manager database for further modification of the subscriber's acquired session. 4, further comprising a moving means for moving an optical head carrying at least said optical system, said first actuator, and said second actuator in the radial direction of said optical storage medium. 7. A position control apparatus of an optical system as set forth in claim 4, wherein said second control circuit controls said second actuator on the basis of the reflected light of said optical storage medium, so that tracking control is performed based on at least one of a guiding channel existing on said optical storage medium, an emboss pit and a storage mark. 8. A position control apparatus of an optical system as set forth in claim 4, wherein said second control circuit generates a tracking error signal using any method among a push-pull method, 3-spot method, differential push-pull method, and phase difference method and controls said second actuator on the basis of the tracking error signal. 9. A position control apparatus of an optical system as set forth in claim 4, wherein the numerical aperture of said optical system is not less than 1, and the region where said near-field is formed is in a contactless state with said optical system and said optical storage medium, and said distance is in the range no more than 500 nm. 10. A position control apparatus of an optical system comprising an optical system forming a near-field with an optical storage medium and irradiating a converging light beam to the optical storage medium, wherein an objective lens converging the light beam to be irradiated on the optical storage medium and a solid immersion lens with an electrode formed on a surface facing the optical storage medium and irradiating the light beam converged by the objective lens to the optical storage medium are fixed by a holding means, a first actuator for moving the holding means in the focus direction perpendicularly intersecting the storage surface of the optical storage medium, a second actuator for moving the holding means in the direction perpendicularly intersecting the signal storage direction on the optical storage medium, a first control circuit for controlling the first actuator on the basis of electrostatic capacitance formed by the electrode and the optical storage medium and of a reflected light from the optical storage medium so that the distance between the solid immersion lens and the optical storage medium is within the region where the near-field is formed, and a second control circuit for controlling the second actuator on the basis of the reflected light from the optical storage medium, a first moving means for moving an optical head carrying at least the optical system, the first actuator, and the second actuator in the direction perpendicularly intersecting the signal storage direction on the optical storage medium, and a second moving means for moving an optical head carrying at least the optical system, the first actuator, and the second actuator in the signal storage direction on the optical storage medium. 11. A position control apparatus of an optical system as set forth in claim 10, wherein said first control circuit controls said first actuator on the basis of said electrostatic capacitance until the distance between said solid immersion lens and said optical storage medium becomes a target value, and said second control circuit controls said second actuator on the basis of the reflecting light from said optical storage medium after the target value is reached. 12. A position control apparatus of an optical system as set forth in claim 10, wherein said second control circuit controls said second actuator on the basis of the reflected light of said optical storage medium, so that tracking control is performed based on at least one of a guiding channel existing on said optical storage medium, an emboss pit and a storage mark. 13. A position control apparatus of an optical system as set forth in claim 12, wherein said second control circuit generates a tracking e rror signal using any method among a push-pull method, 3-spot method, differential push-pull method, and phase difference method and controls said second actuator on the basis of the tracking error signal. 14. A position control apparatus of an optical system as set forth in claim 10, wherein the numerical aperture of said optical system is not less than 1, and the region where said near-field is formed is in a contactless state with said optical system and said optical storage medium, and said distance is in the range no more than 500 nm. 15. A position control method of an optical system for controlling a distance with an optical system which forms a near-field with an optical storage medium and irradiates a converging light beam to the optical storage medium and the optical storage medium by moving the optical system in the focus direction perpendicularly intersecting the storage surface of the optical storage medium, said method comprising a step of controlling an actuator for moving a holding means, fixing an objective lens converging the light beam to be irradiated to the optical storage medium and a solid immersion lens with an electrode formed on a surface facing the optical storage medium and irradiating the light beam converged by the objective lens to the optical storage medium, in the focus direction on the basis of electrostatic capacitance formed by the electrode and the optical storage medium and of a reflected light from the optical storage medium so that the distance between the solid immersion lens and the optical storage medium is within the region where the near-field is formed. 16. A position control method of an optical system as set forth in claim 15, further comprising steps of controlling said actuator on the basis of said electrostatic capacitance until the distance between said solid immersion lens and said optical storage medium becomes a target value, and controlling said actuator on the basis of the reflecting light from said optical storage medium after the target value is reached. 17. A position control method of an optical system as set forth in claim 15, wherein the numerical aperture of the optical system is greater than 1 and not greater than 3, and the region where said near-field is formed is in a contactless state with the optical system and said optical storage medium, and said distance is in the range no more than 500 nm. 18. A position control method of an optical system for controlling the distance between an optical system which forms a near-field with an optical storage medium and irradiates a converging light beam to the optical storage medium and the optical storage medium by moving the optical system in a focus direction perpendicularly intersecting the storage surface of the optical storage medium, said method comprising the steps of controlling a first actuator for moving a holding means, fixing an objective lens converging the light beam to be irradiated to the optical storage medium and a solid immersion lens with an electrode formed on a surface facing the optical storage medium and irradiating the light beam converged by the objective lens to the optical storage medium, move in the focus direction on the basis of electrostatic capacitance formed by the electrode and the optical storage medium and of a reflected light from the optical storage medium so that the distance between the solid immersion lens and the optical storage medium becomes within the region where the near-field is formed and controlling a second actuator and moving the holding means in the radial direction of the optical storage medium on the basis of a reflected light from the optical storage medium. 19. A position control method of an optical system as set forth in claim 18, further comprising steps of controlling said first actuator on the basis of said electrostatic capacitance until the distance between said solid immersion lens and said optical storage medium becomes a target value, and controlling said second actuator on the basis of the reflecting light from said optical storage medium after the target value is reached. 20. A position control method of an optical system for controlling the distance between an optical system which forms a near-field with an optical storage medium and irradiates a converging light beam to the optical storage medium and the optical storage medium by moving the optical system in a focus direction perpendicularly intersecting the storage surface of the optical storage medium, said method comprising the steps of controlling a first actuator for moving a holding means, fixing an objective lens converging the light beam to be irradiated to the optical storage medium and a solid immersion lens with an electrode formed on a surface facing the optical storage medium and irradiating the light beam converged by the objective lens to the optical storage medium, move in the focus direction on the basis of electrostatic capacitance formed by the electrode and the optical storage medium and of a reflected light from the optical storage medium so that the distance between the solid immersion lens and the optical storage medium becomes within the region where the near-field is formed, moving an optical head carrying at least the optical system, the first actuator, and a second actuator in a direction perpendicularly intersecting the signal storage direction on the optical storage medium, and moving an optical head carrying at least the optical system, the first actuator, and the second actuator in the signal storage direction on the optical storage medium. 21. A position control method of an optical system as set forth in claim 20, further comprising steps of controlling said first actuator on the basis of said electrostatic capacitance until the distance between said solid immersion lens and said optical storage medium becomes a target value, and controlling said second actuator on the basis of the reflecting light from said optical storage medium after the target value is reached. 22. A storage and reproduction apparatus comprising a light source, an optical system forming a near-field with an optical storage medium and irradiating a converging light beam to the optical storage medium, wherein an objective lens converging the light beam to be irradiated to the optical storage medium and a solid immersion lens with an electrode formed on a surface facing the optical storage medium and irradiating the light beam converged by the objective lens to the optical storage medium are fixed by a holding means, an actuator for moving the holding means in a focus direction perpendicularly intersecting the storage surface of the optical storage medium, a control circuit for controlling the actuator on the basis of electrostatic capacitance formed by the electrode and the optical storage medium and of a reflected light from the optical storage medium so that the distance between the solid immersion lens and the optical storage medium becomes within the region where the near-field is formed, a motor for rotating the optical storage medium when storing information and reproducing information, an intensity modulation circuit for modulating the intensity of the light from the light source according to the information to be stored when storing information, and an information detection circuit for detecting the recorded information from the reflected light reflected by the optical storage medium when reproducing information. 23. A storage and reproduction apparatus as set forth in claim 22, wherein said control circuit controls said actuator on the basis of said electrostatic capacitance until the distance between said solid immersion lens and said optical storage medium becomes a target value, and controls said actuator on the basis of the reflecting light from said optical storage medium after the target value is reached. 24. A storage and reproduction appara tus comprising a light source, an optical system forming a near-field with an optical storage medium and irradiating a converging light beam to the optical storage medium, wherein an objective lens converging the light beam to be irradiated to the optical storage medium and a solid immersion lens with an electrode formed on a surface facing the optical storage medium and irradiating the light beam converged by the objective lens to the optical storage medium are fixed by a holding means, a first actuator for moving the holding means in the focus direction perpendicularly intersecting the storage surface of the optical storage medium, a second actuator for moving the holding means in the radial direction of the optical storage medium, a first control circuit for controlling the first actuator on the basis of electrostatic capacitance formed by the electrode and the optical storage medium and of a reflected light from the optical storage medium so that the distance between the solid immersion lens and the optical storage medium becomes within the region where the near-field is formed, a second control circuit for controlling the second actuator on the basis of the reflected light from the optical storage medium, a motor for rotating the optical storage medium when storing information and reproducing information, an intensity modulation circuit for modulating the intensity of the light from the light source according to the information to be stored when storing information, and an information detection circuit for detecting the stored information from the reflected light reflected by the optical storage medium when reproducing information. 25. A storage and reproduction apparatus as set forth in claim 24, wherein said first control circuit controls said first actuator on the basis of said electrostatic capacitance until the distance between said solid immersion lens and said optical storage medium becomes a target value, and said second control circuit controls said second actuator on the basis of the reflecting light from said optical storage medium after the target value is reached. 26. A storage and reproduction apparatus as set forth in claim 24, further comprising a moving means for moving an optical head carrying at least said optical system, said first actuator, and said second actuator in the radial direction of said optical storage medium. 27. A storage and reproduction apparatus comprising a light source, an optical system forming a near-field with an optical storage medium and irradiating a converging light beam to the optical storage medium, wherein an objective lens converging the light beam to be irradiated to the optical storage medium and a solid immersion lens with an electrode formed on a surface facing the optical storage medium and irradiating the light beam converged by the objective lens to the optical storage medium are fixed by a holding means, a first actuator for moving the holding means in a focus direction perpendicularly intersecting the storage surface of the optical storage medium, a second actuator for moving the holding means in a direction perpendicularly intersecting the signal storage direction on the optical storage medium, a first control circuit for controlling the first actuator on the basis of electrostatic capacitance formed by the electrode and the optical storage medium and of a reflected light from the optical storage medium so that the distance between the solid immersion lens and the optical storage medium becomes within the region where the near-field is formed, a second control circuit for controlling the second actuator on the basis of the reflected light from the optical storage medium, a first moving means for moving an optical head carrying at least the optical system, the first actuator, and the second actuator in the direction perpendicularly intersecting the signal storage direction on the optical storage medium, a second moving means for moving an optical head carrying at least the optical system, the first actuator, and the second actuator in the signal storage direction on the optical storage medium, an intensity modulation circuit for modulating the intensity of the light from the light source according to the information to be stored when storing information, and an information detection circuit for detecting the stored information from the reflected light reflected by the optical storage medium when reproducing information. 28. A storage and reproduction apparatus as set forth in claim 27, wherein said first control circuit controls said first actuator on the basis of said electrostatic capacitance until the distance between said solid immersion lens and said optical storage medium becomes a target value, and said second control circuit controls said second actuator on the basis of the reflecting light from said optical storage medium after the target value is reached. er comprising the step of: said SRM connection manager returning a release message to said subscriber, in response to a disallowed connection request. 14. The method of claim 5, wherein said connection request is made using a Q.2931 broadband ISDN user-network interface (UNI) signaling protocol. 15. A session resource manager for providing a network provider with control and visibility of their broadband network comprising, a database containing information to control and modify signaling for each endpoint controlled by said session resource manager; at least one SRM connection manager capable of accepting, denying and modifying connection control signaling messages based upon said information in said database; and at least one SRM access server capable of communicating with said SRM connection manager to modify connection control information. 16. The session resource manager of claim 15, wherein said SRM access server further comprises a HTTP server for providing a front-end interface to said broadband network. 17. The session resource manager of claim 15, wherein said database contains both static and dynamic information. 18. The session resource manager of claim 15, wherein said session resource manager is defined by two SRM connection managers, said session resource manager further comprising; an optical switch, wherein said switch is capable of determining which SRM connection manager is to be utilized at a particular time. 19. The session resource manager of claim 15, wherein said SRM connection manager is located in the signaling path between a subscriber's endpoint equipment and a ATM switch, and said SRM access server. 20. The session resource manager of claim 15, wherein said SRM connection manager only receives signaling messages. 21. A computer readable medium having a session resource manager program, the session resource manager program for providing a network provider with visibility and control of a broadband network, comprising: a means for receiving a connection request to a session resource manager access server; a means for resolving said connection request, said connection request resolution selected from the group consisting of allowing, disallowing, and modifying said connection request between subscriber endpoint equipment and said session resource manager access server, based upon a predefined allowable setup message within a database; a means for requesting identification from said subscriber in response to an allowed connection request; a means for returning a personalized services menu to said subscriber for selection of a service in response to valid identification being returned by said subscriber; and a means for establishing at least one data bearer between said subscriber endpoint equipment and said service, responsive to said subscriber selection.