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Patent Searching and Data


Matches 1 - 50 out of 90

Document Document Title
WO/2008/110992A1
What is described is a circuit arrangement and a method for synchronizing the communication signals between a repeater station (S) of a single-frequency simulcast radio communication network (N) and user terminals (T) with respect to a u...  
WO2008042694A9
A system and method of synchronizing transmissions in a simulcast system by continuously adjusting the signal transmission delay. Timing information that includes a GPS timestamp is continuously generated at a source site, encoded into a...  
WO/2008/088953A2
A wireless broadcast system that collects content for distribution over a wireless communication network. Multiple content streams are received and interleaved into an aggregate content stream. The aggregate content stream is encapsulate...  
WO/2008/088953A3
A wireless broadcast system that collects content for distribution over a wireless communication network. Multiple content streams are received and interleaved into an aggregate content stream. The aggregate content stream is encapsulate...  
WO/2008/058149A2
A method for a wireless communication system includes broadcasting that a first service is available in a first MBSFN and a second service is available in a second MBSFN. The method includes supporting a service not broadcasted as availa...  
WO/2008/058149A3
A method for a wireless communication system includes broadcasting that a first service is available in a first MBSFN and a second service is available in a second MBSFN. The method includes supporting a service not broadcasted as availa...  
WO/2008/047441A1
A mobile receiver having significantly improved reception sensitivity to secure excellent reception quality even if receiving a broadcast while moving in a single frequency network in which differently polarized radio waves are sent out ...  
WO/2008/040808A1
A wireless serving communication unit comprises a signal processor, for receiving and processing a signal to be broadcast, and a number of transmitters operably coupled to the signal processor, for transmitting the broadcast signal in a ...  
WO/2008/042694A1
A system and method of synchronizing transmissions in a simulcast system by continuously adjusting the signal transmission delay. Timing information that includes a GPS timestamp is continuously generated at a source site, encoded into a...  
WO/2008/000130A1
A method and system for realizing multicast service of multimedia broadcast. The multicast service of multimedia broadcast is loading on the different multicast of multimedia broadcast loads. Each of the multicast load of multimedia broa...  
WO/2007/134486A1
A synergetic transmitting system for digital broadcast SFN and method thereof are disclosed. The synergetic transmitting system includes a double layer synergetic transmitting structure having the same frequency, which includes: a main t...  
WO/2007/115626A1
According to the invention, a digital data stream (TS) is first generated in a master station (Z) in the form of periodic data frames and is fed to the individual high-frequency transmitters (S1 to SX) of a synchronized network in order ...  
WO2006046107A8
A single frequency network (SFN) system is provided, where the system includes a head-end and a plurality of transmitters. The head-end is capable of calculating timing information based upon a time reference having a second resolution. ...  
WO/2007/063890A1
A signal processing device for creating as natural a display video as possible with as high a quality as possible from the received signal of digital broadcast provided by simulcast. The signal processing device comprises a first decoder...  
WO/2007/051478A1
Disclosed is a method for radio broadcasting a plurality of different information offers in a terrestrial mutual broadcasting system (1) on a common channel with radio broadcast signals in a time slot process. According to said method, a...  
WO/2007/036485A2
The invention concerns a method for broadcasting data in a broadcasting network comprising at least two different transmitters, said data being organized in frames of successive data constructed from a first external timing reference sig...  
WO/2007/036485A3
The invention concerns a method for broadcasting data in a broadcasting network comprising at least two different transmitters, said data being organized in frames of successive data constructed from a first external timing reference sig...  
WO/2007/028459A1
An apparatus for the transmission of radio waves in isofrequency, particularly for FM radio broadcasts, fit to be employed on two or more broadcasting equipments suitably positioned on the territory in such a way to create one or more si...  
WO/2006/046107A1
A single frequency network (SFN) system is provided, where the system includes a head-end and a plurality of transmitters. The head-end is capable of calculating timing information based upon a time reference having a second resolution. ...  
WO/2005/117433A1
Provided is a frequency synchronizing apparatus and method that can synchronize frequencies between receiving signals and transmitting signals by extracting a carrier error and sampling timing error information in a synchronization proce...  
WO/2005/036763A1
This patent describes a method which allows multiple DAB transmission signals to be modulated, up-converted, filtered and combined prior to a High Power Amplifier (HPA), thus reducing the multiple up-conversion and HPA to a single unit a...  
WO/1999/038283A1
A method and system for distributing subscriber services to a number of user locations in a broadband cellular network (100). A bidirectional antenna array located at a number of cell centers (200, 202, 204) provides coverage over a wide...  
WO/1996/036135A1
A message system (500) for transmitting a message to a subscriber unit (312). The messaging system (500) includes a plurality of geographically distributed messaging transmitters (302-310), each transmitter designed to transmit in a firs...  
WO/1996/028910A1
Within a desired service area, multiple transmitters (TX) at separately located sites simultaneously broadcast the same multi-channel, multi-program signal. Each such channel carries a multiplexed digital data stream containing packets o...  
WO/1995/024780A1
A digital signal is transmitted in a coded orthogonal frequency division multiplex (COFDM) signal as a series of time frames. Each frame comprises a plurality of time domain symbols derived from the orthogonal frequency domain multiplex ...  
WO/1995/020276A1
The invention describes a process for finding the receivability of radio signals in a radio system and a receiver for performing the steps required on the reception side. The invention is particularly significant for a radio system, espe...  
WO/1994/007314A1
A digital broadcast transmission system comprises a plurality of spaced transmitters (6). Each transmitter (6) receives signals for transmission from a master transmitter (2) along with a reference frequency (F ref). The reference freque...  
JP4709924B2  
JP4672734B2  
JP4606185B2  
JP4489931B2  
JP4383267B2  
JP4373860B2  
JP4341265B2  
JP2009532960A
[Subject] The arrangement thing which synchronizes the high frequency transmitter of a common frequency network is provided. [Means for Solution] In order to synchronize transmission time within each transmitter (S1*SX) which operates ac...  
JP4277270B2  
JPWO2007063890A1
サイマルキャストで提供されている複数のデ ジタル放送の受信信号から極力高品質或いは 極力自然な表示映像を生成し得る信号処理装 置が開示される。信号処理装置は、第1...  
JP2008228082A
To individually and easily instruct output control of broadcast radio waves from a studio device (master station device) to a plurality of transmission sites (relay apparatuses).When generating an ISDB-T broadcast TS by means of a multip...  
JP2008211308A
To switch an identical-frequency repeater fast between an active system and a standby system without oscillating owing to characteristic differences of reception and transmission even when the level of a sneak wave is larger than the lev...  
JP2008536376A
The present invention is the transmission identification information of a receiver with a terrestrial digital multimedia broadcasting system. (TII) As being related with the determination method and equipment, It is characterized by incl...  
JP2008206113A
To solve the problem wherein, in an area where a plurality of transmission station areas overlap in area broadcasting, for contents to be transmitted in common with the respective areas also, the contents mutually become reception intere...  
JP4116635B2  
JP2008141583A
To solve a problem that in a digital terrestrial broadcasting system in which a SFN (single frequency network) is constructed for sending electric waves of an identical content at an identical time on an identical RF frequency from multi...  
JP2008085636A
To make the delay times of a signal to be switched and a signal to be bypassed be the same or approximate as to signals of two systems or more in a signal transmission switching device.A receiving means 21 receives a signal, a system dis...  
JP2008072528A
To effectively utilize an unused channel obtained by optimizing transmission broadcasting waves to a plurality of broadcasting devices in a service area for constructing a broadcasting network by SFN (Single Frequency Network).The broadc...  
JP2008072526A
To construct a broadcasting network by SFN by optimizing the broadcast radio waves of the output of a plurality of broadcasting apparatuses in a service area, and to effectively utilize a vacant channel thus obtained.A digital broadcasti...  
JP2008072218A
To provide a digital broadcast wave relay device of which the circuit constitution can be made simple and compact.A received RF signal is converted into an IF signal by a down converter 111 based on a first local oscillation signal, and ...  
JP2008072527A
To construct a broadcasting network by SFN (Single Frequency Network) by optimizing the broadcast radio waves of the output of a plurality of broadcasting apparatuses in a service area.Respective broadcasting apparatuses 120-12N receive ...  
JP2007221310A
To provide an on-vehicle OFDM broadcast receiver 15 that corrects deviations in the frequency axial direction of the received signal of an OFDM broadcast radio, wave without the need for utilizing diversity reception. A microcomputer 35 ...  
JP2007110433A
To provide an optimal C/N ratio design/allocation machine which is capable of establishing a design technique for designing optimal performance allocation that optimizes the effect of plant-equipment investment satisfying an end C/N rati...  

Matches 1 - 50 out of 90