JP2006042362A - サービス陰影地域における同期化のためのpttサービスシステム及び方法 - Google Patents
サービス陰影地域における同期化のためのpttサービスシステム及び方法 Download PDFInfo
- Publication number
- JP2006042362A JP2006042362A JP2005217994A JP2005217994A JP2006042362A JP 2006042362 A JP2006042362 A JP 2006042362A JP 2005217994 A JP2005217994 A JP 2005217994A JP 2005217994 A JP2005217994 A JP 2005217994A JP 2006042362 A JP2006042362 A JP 2006042362A
- Authority
- JP
- Japan
- Prior art keywords
- ptt
- packet
- service
- terminal
- server
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 111
- 230000000694 effects Effects 0.000 claims description 66
- 230000001360 synchronised effect Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/102—Gateways
- H04L65/1043—Gateway controllers, e.g. media gateway control protocol [MGCP] controllers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1639—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being based on projection
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/305—Authentication, i.e. establishing the identity or authorisation of security principals by remotely controlling device operation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6209—Protecting access to data via a platform, e.g. using keys or access control rules to a single file or object, e.g. in a secure envelope, encrypted and accessed using a key, or with access control rules appended to the object itself
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/74—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information operating in dual or compartmented mode, i.e. at least one secure mode
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/88—Detecting or preventing theft or loss
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10305—Improvement or modification of read or write signals signal quality assessment
- G11B20/10398—Improvement or modification of read or write signals signal quality assessment jitter, timing deviations or phase and frequency errors
- G11B20/10425—Improvement or modification of read or write signals signal quality assessment jitter, timing deviations or phase and frequency errors by counting out-of-lock events of a PLL
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/091—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector using a sampling device
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25752—Optical arrangements for wireless networks
- H04B10/25753—Distribution optical network, e.g. between a base station and a plurality of remote units
- H04B10/25754—Star network topology
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0077—Multicode, e.g. multiple codes assigned to one user
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0064—Concatenated codes
- H04L1/0066—Parallel concatenated codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0067—Rate matching
- H04L1/0068—Rate matching by puncturing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
- H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
- H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4902—Pulse width modulation; Pulse position modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4904—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using self-synchronising codes, e.g. split-phase codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/497—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
- H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/15—Flow control; Congestion control in relation to multipoint traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/72—Admission control; Resource allocation using reservation actions during connection setup
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/74—Admission control; Resource allocation measures in reaction to resource unavailability
- H04L47/745—Reaction in network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/76—Admission control; Resource allocation using dynamic resource allocation, e.g. in-call renegotiation requested by the user or requested by the network in response to changing network conditions
- H04L47/765—Admission control; Resource allocation using dynamic resource allocation, e.g. in-call renegotiation requested by the user or requested by the network in response to changing network conditions triggered by the end-points
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/82—Miscellaneous aspects
- H04L47/822—Collecting or measuring resource availability data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/82—Miscellaneous aspects
- H04L47/824—Applicable to portable or mobile terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/48—Message addressing, e.g. address format or anonymous messages, aliases
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/58—Message adaptation for wireless communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
- H04L61/255—Maintenance or indexing of mapping tables
- H04L61/2553—Binding renewal aspects, e.g. using keep-alive messages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1101—Session protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/4061—Push-to services, e.g. push-to-talk or push-to-video
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/085—Secret sharing or secret splitting, e.g. threshold schemes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
- H04L9/304—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy based on error correction codes, e.g. McEliece
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
- H04M1/72415—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories for remote control of appliances
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/12—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
- H04M7/1205—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks
- H04M7/1295—Details of dual tone multiple frequency signalling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00912—Arrangements for controlling a still picture apparatus or components thereof not otherwise provided for
- H04N1/00957—Compiling jobs, e.g. for batch processing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32106—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title separate from the image data, e.g. in a different computer file
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/513—Processing of motion vectors
- H04N19/517—Processing of motion vectors by encoding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/527—Global motion vector estimation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2543—Billing, e.g. for subscription services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
- H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47211—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting pay-per-view content
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
- H04N21/6175—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving transmission via Internet
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
- H04N21/6187—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving transmission via a telephone network, e.g. POTS
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
- H04N21/6582—Data stored in the client, e.g. viewing habits, hardware capabilities, credit card number
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/4448—Receiver circuitry for the reception of television signals according to analogue transmission standards for frame-grabbing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0112—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards corresponding to a cinematograph film standard
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
- H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications
- H04N7/17327—Transmission or handling of upstream communications with deferred transmission or handling of upstream communications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3129—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/642—Multi-standard receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/7921—Processing of colour television signals in connection with recording for more than one processing mode
- H04N9/7925—Processing of colour television signals in connection with recording for more than one processing mode for more than one standard
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
- H04Q3/0025—Provisions for signalling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/10—Push-to-Talk [PTT] or Push-On-Call services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/12—Setup of transport tunnels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/08—Trunked mobile radio systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2105—Dual mode as a secondary aspect
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2115—Third party
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/22—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
- H04L43/0829—Packet loss
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/04—Real-time or near real-time messaging, e.g. instant messaging [IM]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1016—IP multimedia subsystem [IMS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/42221—Conversation recording systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/0077—Types of the still picture apparatus
- H04N2201/0094—Multifunctional device, i.e. a device capable of all of reading, reproducing, copying, facsimile transception, file transception
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3212—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to a job, e.g. communication, capture or filing of an image
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3212—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to a job, e.g. communication, capture or filing of an image
- H04N2201/3222—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to a job, e.g. communication, capture or filing of an image of processing required or performed, e.g. forwarding, urgent or confidential handling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3274—Storage or retrieval of prestored additional information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
- H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/66—Transforming electric information into light information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
- H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/84—Television signal recording using optical recording
- H04N5/85—Television signal recording using optical recording on discs or drums
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/907—Television signal recording using static stores, e.g. storage tubes or semiconductor memories
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
- H04N7/0122—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal the input and the output signals having different aspect ratios
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/26—Resource reservation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/40—Connection management for selective distribution or broadcast
- H04W76/45—Connection management for selective distribution or broadcast for Push-to-Talk [PTT] or Push-to-Talk over cellular [PoC] services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
- H04W8/245—Transfer of terminal data from a network towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S370/00—Multiplex communications
- Y10S370/901—Wide area network
- Y10S370/902—Packet switching
- Y10S370/903—Osi compliant network
- Y10S370/906—Fiber data distribution interface, FDDI
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S370/00—Multiplex communications
- Y10S370/901—Wide area network
- Y10S370/902—Packet switching
- Y10S370/903—Osi compliant network
- Y10S370/907—Synchronous optical network, SONET
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S707/00—Data processing: database and file management or data structures
- Y10S707/99941—Database schema or data structure
- Y10S707/99943—Generating database or data structure, e.g. via user interface
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- Human Computer Interaction (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Business, Economics & Management (AREA)
- Business, Economics & Management (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Bioethics (AREA)
- General Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Computing Systems (AREA)
- Discrete Mathematics (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Telephonic Communication Services (AREA)
Abstract
【解決手段】 発言権のないPTT端末がPTTサーバーに活動報告パケットを周期的に送信し、遊休状態のPTTサーバーはセッションの設定された全てのPTT端末に発言権遊休パケットを周期的に送信し、前記活動報告と発言権遊休パケットとが所定時間受信されないと、該当PTT端末とPTTサーバーがそれぞれセッションを終了することにより、前記PTT端末とPTTサーバーとは周期的に同期を確認することができる。
【選択図】 図1
Description
また、前記PTTサーバーは、発言権を要求したPTT端末に発言権を承認するメッセージ(Floor Grant)を送信し、他のPTT端末に発言権を獲得した端末のIDを通知するメッセージ(Floor Taken)を送信する。
(項目1)
RTP(Real−time Transport Protocol)パケットの受信中にRTCP(RTP Control Protocol)パケットを送信し、前記RTPパケット又はRTCPパケットが所定時間受信されないと、セッション(sesssion)を終了する1つ以上のPTT端末と、
前記PTT端末から送信されるRTCPパケットが所定時間受信されないと、該当PTT端末とのセッションを終了し、前記RTPパケットが所定時間受信されないと、発言権遊休状態に転換するPTTサーバーと、
から構成されることを特徴とするサービス陰影地域における同期化のためのPTTサービスシステム。
(項目2)
前記PTT端末が送信するRTCPパケットが、
活動報告パケットであることを特徴とする項目1に記載のサービス陰影地域における同期化のためのPTTサービスシステム。
(項目3)
前記PTT端末に受信されるRTCPパケットが、
発言権遊休パケットであることを特徴とする項目1に記載のサービス陰影地域における同期化のためのPTTサービスシステム。
(項目4)
1つ以上の端末とサーバーとのセッションが設定されたPTTサービスシステムにおいて、
RTCPパケットが所定時間受信されないと、サーバーと端末間のセッションを終了することを特徴とするサービス陰影地域における同期化のためのPTTサービス方法。
(項目5)
前記RTCPパケットが、
前記端末がサーバーに送信する活動報告パケットと、
前記サーバーが端末に送信する発言権遊休パケットとから構成されることを特徴とする項目4に記載のサービス陰影地域における同期化のためのPTTサービス方法。
(項目6)
RTCPパケットが所定時間受信されないと、セッションを終了するか、又は遊休状態に転換する過程をさらに含むことを特徴とする項目4に記載のサービス陰影地域における同期化のためのPTTサービス方法。
(項目7)
1つ以上のPTT端末とPTTサーバーとのセッションが設定されたPTTサービスシステムにおいて、
前記PTT端末とPTTサーバー間にRTCPパケットを送受信する過程と、
前記RTCPパケットが所定時間受信されないと、該当PTT端末とPTTサーバー間のセッションを終了する過程と、
から構成されることを特徴とするサービス陰影地域における同期化のためのPTTサービス方法。
(項目8)
前記RTCPパケットが、
発言権のないPTT端末が該PTTサーバーに送信する活動報告パケットと、
遊休状態のPTTサーバーがPTT端末に送信する発言権遊休パケットとから構成されることを特徴とする項目7に記載のサービス陰影地域における同期化のためのPTTサービス方法。
(項目9)
1つ以上のPTT端末とPTTサーバーとのセッションが設定されたPTTサービスシステムにおいて、
発言権のないPTT端末は、同期を含む活動報告パケットをRTCPパケットとして前記PTTサーバーに送信する過程と、
発言権のあるPTT端末は、音声及びデータをRTPパケットとして送信する過程と、
から構成されることを特徴とするサービス陰影地域における同期化のためのPTTサービス方法。
(項目10)
前記活動報告パケット又はRTPパケットが所定時間受信されないと、前記PTTサーバーは、該当PTT端末とのセッションを終了するか、又は発言権遊休状態に転換する過程をさらに含むことを特徴とする項目9に記載のサービス陰影地域における同期化のためのPTTサービス方法。
(項目11)
1つ以上のPTT端末とPTTサーバーとのセッションが設定され、かつ遊休状態であるPTTサービスシステムにおいて、
前記PTT端末が前記PTTサーバーに活動報告パケットをRTCPパケットとして送信する過程と、
前記PTTサーバーが各PTT端末に発言権遊休パケットをRTCPパケットとして送信する過程と、
から構成されることを特徴とするサービス陰影地域における同期化のためのPTTサービス方法。
(項目12)
前記活動報告パケットが所定時間受信されないと、前記PTTサーバーが該当PTT端末とのセッションを終了する過程と、
前記発言権遊休パケットが所定時間受信されないと、前記PTT端末が前記PTTサーバーとのセッションを終了する過程とをさらに含むことを特徴とする項目11に記載のサービス陰影地域における同期化のためのPTTサービス方法。
(項目13)
発言権のある第1PTT端末から受信したRTPパケットを第2PTT端末に送信する過程と、
前記第2PTT端末から活動報告パケットを受信する過程と、
前記活動報告パケットが所定時間受信されないと、前記第2PTT端末がサービス陰影地域に移動したと判断する過程と、
前記第2PTT端末とのセッションを終了する過程と、
から構成されることを特徴とするサービス陰影地域における同期化のためのPTTサービス方法。
(項目14)
前記RTPパケットが所定時間受信されないと、前記第1PTT端末がサービス陰影地域に移動したと判断する過程と、
前記第1PTT端末の発言権を解除し、該発言権の解除を第2PTT端末に通知する過程と、
前記第1PTT端末とのセッションを終了する過程とをさらに含むことを特徴とする項目13に記載のサービス陰影地域における同期化のためのPTTサービス方法。
(項目15)
前記活動報告パケットが、
RTCPパケットであることを特徴とする項目13に記載のサービス陰影地域における同期化のためのPTTサービス方法。
(項目16)
遊休状態のPTTサーバーがセッションの設定された全てのPTT端末に発言権遊休パケットを送信する過程と、
前記PTT端末から活動報告パケットを受信する過程と、
特定PTT端末から活動報告パケットが所定時間受信されないと、該当PTT端末とのセッションを終了する過程と、
から構成されることを特徴とするサービス陰影地域における同期化のためのPTTサービス方法。
(項目17)
前記セッションの終了後、セッションが設定されたPTT端末が1つであると、該当PTT端末とのセッションも終了する過程をさらに含むことを特徴とする項目16に記載のサービス陰影地域における同期化のためのPTTサービス方法。
(項目18)
前記発言権遊休パケットと活動報告パケットが、
RTCPパケットであることを特徴とする項目16に記載のサービス陰影地域における同期化のためのPTTサービス方法。
(項目19)
PTTサーバーから送信される発言権遊休パケットを受信する過程と、
前記PTTサーバーに活動報告パケットを送信する過程と、
前記発言権遊休パケットが所定時間受信されないと、前記PTTサーバーとのセッションを終了する過程と、
から構成されることを特徴とするサービス陰影地域における同期化のためのPTTサービス方法。
(項目20)
前記発言権遊休パケットと活動報告パケットが、
RTCPパケットであることを特徴とする項目19に記載のサービス陰影地域における同期化のためのPTTサービス方法。
また、第1PTT端末110が継続してサービス陰影地域に留まる場合、図3に示すフローチャートにより、PTTサーバー200は遊休状態の第1PTT端末110から所定時間活動報告パケットが受信されないと、第1PTT端末110がサービス陰影地域に移動したと判断することで、第1PTT端末110のセッションを終了する。
Claims (20)
- RTP(Real−time Transport Protocol)パケットの受信中にRTCP(RTP Control Protocol)パケットを送信し、前記RTPパケット又はRTCPパケットが所定時間受信されないと、セッション(sesssion)を終了する1つ以上のPTT端末と、
前記PTT端末から送信されるRTCPパケットが所定時間受信されないと、該当PTT端末とのセッションを終了し、前記RTPパケットが所定時間受信されないと、発言権遊休状態に転換するPTTサーバーと、
から構成されることを特徴とするサービス陰影地域における同期化のためのPTTサービスシステム。 - 前記PTT端末が送信するRTCPパケットが、
活動報告パケットであることを特徴とする請求項1に記載のサービス陰影地域における同期化のためのPTTサービスシステム。 - 前記PTT端末に受信されるRTCPパケットが、
発言権遊休パケットであることを特徴とする請求項1に記載のサービス陰影地域における同期化のためのPTTサービスシステム。 - 1つ以上の端末とサーバーとのセッションが設定されたPTTサービスシステムにおいて、
RTCPパケットが所定時間受信されないと、サーバーと端末間のセッションを終了することを特徴とするサービス陰影地域における同期化のためのPTTサービス方法。 - 前記RTCPパケットが、
前記端末がサーバーに送信する活動報告パケットと、
前記サーバーが端末に送信する発言権遊休パケットとから構成されることを特徴とする請求項4に記載のサービス陰影地域における同期化のためのPTTサービス方法。 - RTCPパケットが所定時間受信されないと、セッションを終了するか、又は遊休状態に転換する過程をさらに含むことを特徴とする請求項4に記載のサービス陰影地域における同期化のためのPTTサービス方法。
- 1つ以上のPTT端末とPTTサーバーとのセッションが設定されたPTTサービスシステムにおいて、
前記PTT端末とPTTサーバー間にRTCPパケットを送受信する過程と、
前記RTCPパケットが所定時間受信されないと、該当PTT端末とPTTサーバー間のセッションを終了する過程と、
から構成されることを特徴とするサービス陰影地域における同期化のためのPTTサービス方法。 - 前記RTCPパケットが、
発言権のないPTT端末が該PTTサーバーに送信する活動報告パケットと、
遊休状態のPTTサーバーがPTT端末に送信する発言権遊休パケットとから構成されることを特徴とする請求項7に記載のサービス陰影地域における同期化のためのPTTサービス方法。 - 1つ以上のPTT端末とPTTサーバーとのセッションが設定されたPTTサービスシステムにおいて、
発言権のないPTT端末は、同期を含む活動報告パケットをRTCPパケットとして前記PTTサーバーに送信する過程と、
発言権のあるPTT端末は、音声及びデータをRTPパケットとして送信する過程と、
から構成されることを特徴とするサービス陰影地域における同期化のためのPTTサービス方法。 - 前記活動報告パケット又はRTPパケットが所定時間受信されないと、前記PTTサーバーは、該当PTT端末とのセッションを終了するか、又は発言権遊休状態に転換する過程をさらに含むことを特徴とする請求項9に記載のサービス陰影地域における同期化のためのPTTサービス方法。
- 1つ以上のPTT端末とPTTサーバーとのセッションが設定され、かつ遊休状態であるPTTサービスシステムにおいて、
前記PTT端末が前記PTTサーバーに活動報告パケットをRTCPパケットとして送信する過程と、
前記PTTサーバーが各PTT端末に発言権遊休パケットをRTCPパケットとして送信する過程と、
から構成されることを特徴とするサービス陰影地域における同期化のためのPTTサービス方法。 - 前記活動報告パケットが所定時間受信されないと、前記PTTサーバーが該当PTT端末とのセッションを終了する過程と、
前記発言権遊休パケットが所定時間受信されないと、前記PTT端末が前記PTTサーバーとのセッションを終了する過程とをさらに含むことを特徴とする請求項11に記載のサービス陰影地域における同期化のためのPTTサービス方法。 - 発言権のある第1PTT端末から受信したRTPパケットを第2PTT端末に送信する過程と、
前記第2PTT端末から活動報告パケットを受信する過程と、
前記活動報告パケットが所定時間受信されないと、前記第2PTT端末がサービス陰影地域に移動したと判断する過程と、
前記第2PTT端末とのセッションを終了する過程と、
から構成されることを特徴とするサービス陰影地域における同期化のためのPTTサービス方法。 - 前記RTPパケットが所定時間受信されないと、前記第1PTT端末がサービス陰影地域に移動したと判断する過程と、
前記第1PTT端末の発言権を解除し、該発言権の解除を第2PTT端末に通知する過程と、
前記第1PTT端末とのセッションを終了する過程とをさらに含むことを特徴とする請求項13に記載のサービス陰影地域における同期化のためのPTTサービス方法。 - 前記活動報告パケットが、
RTCPパケットであることを特徴とする請求項13に記載のサービス陰影地域における同期化のためのPTTサービス方法。 - 遊休状態のPTTサーバーがセッションの設定された全てのPTT端末に発言権遊休パケットを送信する過程と、
前記PTT端末から活動報告パケットを受信する過程と、
特定PTT端末から活動報告パケットが所定時間受信されないと、該当PTT端末とのセッションを終了する過程と、
から構成されることを特徴とするサービス陰影地域における同期化のためのPTTサービス方法。 - 前記セッションの終了後、セッションが設定されたPTT端末が1つであると、該当PTT端末とのセッションも終了する過程をさらに含むことを特徴とする請求項16に記載のサービス陰影地域における同期化のためのPTTサービス方法。
- 前記発言権遊休パケットと活動報告パケットが、
RTCPパケットであることを特徴とする請求項16に記載のサービス陰影地域における同期化のためのPTTサービス方法。 - PTTサーバーから送信される発言権遊休パケットを受信する過程と、
前記PTTサーバーに活動報告パケットを送信する過程と、
前記発言権遊休パケットが所定時間受信されないと、前記PTTサーバーとのセッションを終了する過程と、
から構成されることを特徴とするサービス陰影地域における同期化のためのPTTサービス方法。 - 前記発言権遊休パケットと活動報告パケットが、
RTCPパケットであることを特徴とする請求項19に記載のサービス陰影地域における同期化のためのPTTサービス方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20040059375A KR100652650B1 (ko) | 2004-07-28 | 2004-07-28 | 서비스 음영지역에서 동기화를 위한 피티티 서비스 시스템및 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006042362A true JP2006042362A (ja) | 2006-02-09 |
JP4653585B2 JP4653585B2 (ja) | 2011-03-16 |
Family
ID=36081070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005217994A Expired - Fee Related JP4653585B2 (ja) | 2004-07-28 | 2005-07-27 | サービス陰影地域における同期化のためのpttサービスシステム及び方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7792540B2 (ja) |
EP (1) | EP1626591A1 (ja) |
JP (1) | JP4653585B2 (ja) |
KR (1) | KR100652650B1 (ja) |
CN (1) | CN100466769C (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007007847A1 (ja) * | 2005-07-13 | 2007-01-18 | Sharp Kabushiki Kaisha | 電子会議システム、電子会議管理装置、端末装置、電子会議管理方法、制御プログラムおよびそれを記録したコンピュータ読み取り可能な記録媒体 |
JP2007235810A (ja) * | 2006-03-03 | 2007-09-13 | Nec Corp | 携帯電話システムおよび携帯電話装置 |
JP2008104083A (ja) * | 2006-10-20 | 2008-05-01 | Softbank Mobile Corp | 通信端末、通信方法、および通信プログラム |
JP2008288794A (ja) * | 2007-05-16 | 2008-11-27 | Oki Electric Ind Co Ltd | コネクション強制解放装置、コネクション強制解放方法及びコネクション強制解放プログラム |
JP2010523019A (ja) * | 2007-03-21 | 2010-07-08 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | Sipベースのメディアサービスにおけるセッション制御 |
CN108495074A (zh) * | 2018-03-28 | 2018-09-04 | 武汉斗鱼网络科技有限公司 | 一种视频聊天方法及装置 |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100819494B1 (ko) * | 2005-07-25 | 2008-04-07 | 엘지전자 주식회사 | 사용자의 발언권 제어를 위한 이동통신 단말기 및 그제어방법 |
US20070076614A1 (en) * | 2005-09-01 | 2007-04-05 | Pantech Co., Ltd. | Method for changing channels in wireless communication terminal and content service system |
DE102005049074B4 (de) * | 2005-10-13 | 2008-04-03 | Infineon Technologies Ag | Verfahren zum rechnergestützten Vergeben eines Kommunikationsrechts, Verfahren zum rechnergestützten Erzeugen einer Kommunikationsrecht-Anforderungsnachricht, Kommunikationsrecht-Vergabe-Einheit, Kommunikations-Konferenz-Servereinheit, Kommunikations-Konferenz-Nachricht-Erzeugungseinheit, Kommunikations-Endgerät und Verfahren zum rechnergestützten Initialisieren eines Konferenz-Nachrichtenflusses in einer Kommunikations-Konferenz |
KR100748514B1 (ko) * | 2006-01-13 | 2007-08-14 | 엘지전자 주식회사 | Sip 기반 세션 서비스의 데이터 처리 방법 및 단말 |
KR100748990B1 (ko) | 2006-07-14 | 2007-08-13 | 엘지전자 주식회사 | PoC 서비스에서 SSRC 충돌 제어방법 |
KR101396972B1 (ko) * | 2006-10-18 | 2014-05-20 | 엘지전자 주식회사 | Pt 서비스에서의 발언권 제어 방법 |
CN101516131B (zh) * | 2008-02-18 | 2012-04-04 | 华为技术有限公司 | 一种数据同步的方法、系统和装置 |
US9124769B2 (en) | 2008-10-31 | 2015-09-01 | The Nielsen Company (Us), Llc | Methods and apparatus to verify presentation of media content |
CN102244841A (zh) * | 2010-05-14 | 2011-11-16 | 中国移动通信集团重庆有限公司 | 语音交互处理方法、装置和系统 |
EP2405634B1 (en) | 2010-07-09 | 2014-09-03 | Google, Inc. | Method of indicating presence of transient noise in a call and apparatus thereof |
EP2538632B1 (en) * | 2010-07-14 | 2014-04-02 | Google Inc. | Method and receiver for reliable detection of the status of an RTP packet stream |
KR101099345B1 (ko) | 2010-12-01 | 2011-12-26 | 엘지전자 주식회사 | 무선랜 시스템에서 채널 사운딩 방법 및 장치 |
US20140005266A1 (en) * | 2010-12-01 | 2014-01-02 | Nostrum Laboratories, Inc. | Topical formulations for administration of omega-3 fatty acids |
CN104468465B (zh) * | 2013-09-12 | 2019-05-24 | 腾讯科技(深圳)有限公司 | 麦序控制方法、服务器、客户端和计算机系统 |
JP6410423B2 (ja) * | 2013-11-27 | 2018-10-24 | キヤノン株式会社 | 通信制御装置、通信制御方法、及び、プログラム |
US10187692B2 (en) * | 2014-12-15 | 2019-01-22 | Rovi Guides, Inc. | Methods and systems for distributing media guidance among multiple devices |
KR101763471B1 (ko) | 2015-08-12 | 2017-08-02 | 한국철도기술연구원 | 콜 발생자 및 발언권 중재자 다중화에 의한 ptt 제어 방법 |
KR101672746B1 (ko) | 2015-09-10 | 2016-11-08 | 한국철도기술연구원 | 이동 통신 환경에서의 푸시 투 토크 서비스를 위한 발언권 제어 방법 |
KR102350965B1 (ko) | 2015-10-30 | 2022-01-14 | 삼성전자주식회사 | 그룹 통신을 위한 방법 및 장치 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2151833B (en) * | 1983-12-16 | 1987-03-18 | Kitagawa Ind Co Ltd | Appliance for fixing electronic display board |
GB2151883B (en) * | 1983-12-22 | 1987-10-21 | Motorola Inc | Queued community repeater communications system |
JP2000513526A (ja) * | 1996-06-24 | 2000-10-10 | クゥアルコム・インコーポレイテッド | ディスパッチシステム内での効率的なシステムアクセスのための方法と装置 |
US20030154249A1 (en) * | 2002-02-14 | 2003-08-14 | Crockett Douglas M. | Method and an apparatus for removing a member from an active group call in a group communication network |
WO2004046880A2 (en) * | 2002-11-19 | 2004-06-03 | Qualcomm Incorporated | Method and apparatus for efficient paging and registration in a wireless communications network |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5850611A (en) * | 1997-11-07 | 1998-12-15 | Motorola, Inc. | Method and apparatus for communicating in a dispatch communication system |
JPH11284659A (ja) * | 1998-03-31 | 1999-10-15 | Canon Inc | 通信制御方法及びその装置及び記憶媒体 |
US6246872B1 (en) * | 1998-05-06 | 2001-06-12 | Nortel Networks Limited | Mobile switching centre and method for handling a dropped connection between a mobile station and a basestation transceiver |
US6449491B1 (en) | 1999-05-10 | 2002-09-10 | Ericsson Inc. | Apparatus and methods for conducting group calls in wireless communications systems |
FI107210B (fi) | 1999-07-09 | 2001-06-15 | Nokia Networks Oy | Menetelmä puhelujen välittämiseksi pakettiverkon kautta |
US6477150B1 (en) * | 2000-03-03 | 2002-11-05 | Qualcomm, Inc. | System and method for providing group communication services in an existing communication system |
US7221660B1 (en) * | 2000-08-08 | 2007-05-22 | E.F. Johnson Company | System and method for multicast communications using real time transport protocol (RTP) |
US7386000B2 (en) * | 2001-04-17 | 2008-06-10 | Nokia Corporation | Packet mode speech communication |
US6996414B2 (en) * | 2001-04-30 | 2006-02-07 | Motorola, Inc. | System and method of group calling in mobile communications |
US6738617B2 (en) | 2001-05-15 | 2004-05-18 | Qualcomm Incorporated | Controller for reducing latency in a group dormancy-wakeup process in a group communication network |
JP3569241B2 (ja) * | 2001-05-29 | 2004-09-22 | 松下電器産業株式会社 | パケット受信装置及びパケット受信方法 |
CN100403261C (zh) * | 2001-08-24 | 2008-07-16 | 华为技术有限公司 | 纯软件的交互式语音应答/语音信箱设备的实现方法 |
US6980821B2 (en) | 2002-06-12 | 2005-12-27 | Motorola, Inc. | Call center access in a push to talk based call system |
CN1468001A (zh) * | 2002-06-27 | 2004-01-14 | 上海汉唐科技有限公司 | 基于因特网的媒体流自适应传输方法 |
US7130282B2 (en) * | 2002-09-20 | 2006-10-31 | Qualcomm Inc | Communication device for providing multimedia in a group communication network |
US7319879B2 (en) * | 2002-12-31 | 2008-01-15 | Mototola, Inc. | Method and apparatus for providing dispatch-type services in a cellular communication system |
US7444139B1 (en) * | 2003-01-30 | 2008-10-28 | Sprint Spectrum L.P. | Method and system for use of intelligent network processing to prematurely wake up a terminating mobile station |
KR100689477B1 (ko) * | 2003-04-30 | 2007-03-02 | 삼성전자주식회사 | 무선 통신시스템에서 신속한 호 셋업 방법 및 시스템 |
US7228145B2 (en) * | 2003-05-21 | 2007-06-05 | Avaya Technology Corp. | Dropped call continuation |
US7463652B2 (en) * | 2003-06-21 | 2008-12-09 | Avaya, Inc. | System and method for notification of internet users about faults detected on an IP network |
US7924811B2 (en) * | 2004-03-30 | 2011-04-12 | Sony Ericsson Mobile Communications Ab | Methods, systems and computer program products for suspending packet-switched sessions to a wireless terminal |
-
2004
- 2004-07-28 KR KR20040059375A patent/KR100652650B1/ko not_active IP Right Cessation
-
2005
- 2005-07-22 US US11/188,034 patent/US7792540B2/en not_active Expired - Fee Related
- 2005-07-27 JP JP2005217994A patent/JP4653585B2/ja not_active Expired - Fee Related
- 2005-07-27 EP EP20050016302 patent/EP1626591A1/en not_active Withdrawn
- 2005-07-28 CN CNB2005101098614A patent/CN100466769C/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2151833B (en) * | 1983-12-16 | 1987-03-18 | Kitagawa Ind Co Ltd | Appliance for fixing electronic display board |
GB2151883B (en) * | 1983-12-22 | 1987-10-21 | Motorola Inc | Queued community repeater communications system |
JP2000513526A (ja) * | 1996-06-24 | 2000-10-10 | クゥアルコム・インコーポレイテッド | ディスパッチシステム内での効率的なシステムアクセスのための方法と装置 |
US20030154249A1 (en) * | 2002-02-14 | 2003-08-14 | Crockett Douglas M. | Method and an apparatus for removing a member from an active group call in a group communication network |
WO2004046880A2 (en) * | 2002-11-19 | 2004-06-03 | Qualcomm Incorporated | Method and apparatus for efficient paging and registration in a wireless communications network |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007007847A1 (ja) * | 2005-07-13 | 2007-01-18 | Sharp Kabushiki Kaisha | 電子会議システム、電子会議管理装置、端末装置、電子会議管理方法、制御プログラムおよびそれを記録したコンピュータ読み取り可能な記録媒体 |
JP2007235810A (ja) * | 2006-03-03 | 2007-09-13 | Nec Corp | 携帯電話システムおよび携帯電話装置 |
JP2008104083A (ja) * | 2006-10-20 | 2008-05-01 | Softbank Mobile Corp | 通信端末、通信方法、および通信プログラム |
JP4644648B2 (ja) * | 2006-10-20 | 2011-03-02 | ソフトバンクモバイル株式会社 | 通信端末、通信方法、および通信プログラム |
JP2010523019A (ja) * | 2007-03-21 | 2010-07-08 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | Sipベースのメディアサービスにおけるセッション制御 |
JP2008288794A (ja) * | 2007-05-16 | 2008-11-27 | Oki Electric Ind Co Ltd | コネクション強制解放装置、コネクション強制解放方法及びコネクション強制解放プログラム |
CN108495074A (zh) * | 2018-03-28 | 2018-09-04 | 武汉斗鱼网络科技有限公司 | 一种视频聊天方法及装置 |
CN108495074B (zh) * | 2018-03-28 | 2021-02-02 | 武汉斗鱼网络科技有限公司 | 一种视频聊天方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
US20060025168A1 (en) | 2006-02-02 |
US7792540B2 (en) | 2010-09-07 |
CN100466769C (zh) | 2009-03-04 |
EP1626591A1 (en) | 2006-02-15 |
CN1738452A (zh) | 2006-02-22 |
KR100652650B1 (ko) | 2006-12-06 |
JP4653585B2 (ja) | 2011-03-16 |
KR20060010609A (ko) | 2006-02-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4653585B2 (ja) | サービス陰影地域における同期化のためのpttサービスシステム及び方法 | |
CA2573038C (en) | Push-to service system and method | |
US20070280256A1 (en) | Systems and methods for providing a heartbeat in a communications network | |
KR101214326B1 (ko) | 멀티미디어 통신 시스템에서 여러 서비스를 제공하는 방법및 장치 | |
KR100724441B1 (ko) | 발언권 제어 타이머의 지속시간 변경방법 | |
KR100810222B1 (ko) | 셀룰러 기반의 푸쉬 투 토크에서 전 이중 통화 제공 방법및 시스템 | |
KR100666984B1 (ko) | 푸쉬 투 토크 오버 셀룰러 시스템 사용자의 응답 모드에따른 호 처리 시스템 및 방법 | |
US20080285487A1 (en) | Method and system for providing full duplex services over multiple simplex media paths and sessions | |
KR100652655B1 (ko) | 발언권 제어를 위한 피티티 서비스 시스템 및 방법 | |
KR102654117B1 (ko) | 통신을 수행하는 방법 및 단말기 | |
KR100886898B1 (ko) | 회의 통신 시스템, 회의 통신 시스템 작동 방법, 통지 장치및 통신 단말 장치에 통지하는 통지 방법 | |
KR101179355B1 (ko) | 푸쉬 투 토크 오버 셀룰러 네트워크에서의 서버 및 클라이언트와 이를 이용한 응답 모드에 따른 호처리 방법 | |
US20060089131A1 (en) | Delay timers for managing internal state changes and messages in user equipment for real-time multimedia applications | |
US20060087973A1 (en) | Delay timers for managing internal state changes and messages in user equipment for real-time multimedia applications | |
JP4229292B2 (ja) | 通信制御装置および通信制御方法 | |
KR100882903B1 (ko) | 브이 오 아이피 네트워크의 호 설정 시스템 및 호 설정방법 | |
WO2006047280A2 (en) | Delay timers for managing internal state changes and messages in user equipment for real-time multimedia applications | |
KR100493100B1 (ko) | 이동통신 시스템에서 인터넷기반 음성서비스 제공 장치 및방법 | |
WO2008141087A1 (en) | Method and system for providing full duplex services over multiple simplex media paths and sessions | |
KR100748990B1 (ko) | PoC 서비스에서 SSRC 충돌 제어방법 | |
Plane et al. | OMA-TS_PoC-UserPlane-V1_0-20050805-C | |
Plane et al. | OMA-TS_PoC-UserPlane-V1_0-20051104-C | |
Plane et al. | OMA-TS_PoC-UserPlane-V1_0-20051006-C | |
Alliance | OMA-TS_PoC-UserPlane-V1_0-20050428-C | |
Alliance | OMA-TS_PoC-UserPlane-V1_0-20050317-C |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20061205 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20081006 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20081226 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20090107 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090202 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100330 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100629 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20101126 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20101217 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20131224 Year of fee payment: 3 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |