摘要:
Embodiments of the invention relate to method of operating television white space (TVWS) geo-location database (GLDB). The method comprises: embedding a plurality of data signals in a plurality of radio frequency (RF) broadcast signals of at least one existing television or radio channel, wherein the data signals comprise at least one of TVWS GLDB data, time reference data and broadcast transmitter data which comprises at least one of transmitter location data and transmitter identification; and transmitting, over a RF network which is other than an interne protocol (IP) network, the RF broadcast signals together with the embedded data signals to a plurality of white space devices.
摘要:
Disclosed are various embodiments for determining whether a client device is authorized to receive media content based at least in part on the call signs of broadcast stations that the client device is able to receive. A computing device receives a broadcast station identifier and a program identifier from a client computing device. The computing device determines that the client computing device is authorized to access media content identified by the program identifier based at least in part on the broadcast station identifier. Finally, the computing device streams the media content to the client computing device in response to determining that the client computing device is authorized to access the media content.
摘要:
Disclosed herein are methods and systems that may help a base station provide high-speed data communication under a protocol such as LTE or WiMAX, even when a GPS signal is not available to the base station. In an exemplary embodiment, a base station may acquire a high-stability reference signal via a subcarrier of a terrestrial broadcast signal, such as an FM radio signal, and may coordinate the timing frame transmissions with other nearby base stations, instead of relying upon a GPS signal for such functionality.
摘要:
There is provided a content orchestration system and a method for use by the content orchestration system to enable assembly of one or more customized content streams. In one implementation, such a content orchestration system includes a computing platform having a processor, and a content orchestration engine for execution by the processor. The content orchestration engine is configured to receive data describing multiple content sources capable of providing content for use in assembling a customized content stream. The content orchestration engine is also configured to identify customization guidelines corresponding to a destination of the customized content stream, and to determine instructions for assembling the customized content stream based on the data and the customization guidelines.
摘要:
A method and an apparatus for transmitting additional data in a digital terrestrial broadcasting system are provided. The apparatus includes: a main signal generating unit channel-coding main data and converting the main data into a main signal; an additional signal generating unit channel-coding additional data and converting the additional data into an additional signal; a mixed signal generating unit generating a mixed signal by coupling the main signal and the additional signal to each other; and a mixed signal transmitting unit modulating the mixed signal and transmitting the modulated mixed signal to a receiver through a transmission antenna, wherein the additional data is additional data requested by a specific user possessing the receiver and the specific user provides information on an additional data transmitter.
摘要:
A broadcast receiver and a method for setting the broadcast receiver, comprising receiving a primary broadcast sent by a broadcast station and retrieving program associated data made available by said broadcast station. The method comprises a first channel, a primary broadcast channel BC, and a second channel, an interaction channel, for retrieving the program associated data (PAD) from the broadcast station, whereby a browser sends an HTTP or a WAP request using an Internet connection. The method comprises retrieving a uniform resource locator of the program associated data (PAD) as station associated data (SAD) from a station associated data site (SADS) the station associated data comprising program associated data relating to the primary broadcast, coverage information and frequency information of included broadcast stations and the broadcast receiver being capable of setting the browser and the broadcast receiver unit by suing this SAD information.
摘要:
The present invention relates to a receiving apparatus, a receiving method, a transmitting device, a transmitting method, and a program which can promptly present receivable one-segment broadcast. Station information acquiring units (111 through 113) acquire station information on a station containing at least broadcasting area information which is information on a broadcasting area, within which a broadcast wave from a station, which transmits a broadcast wave of an arbitrary one-segment broadcast through an arbitrary segment, is receivable. A station selecting unit (117) selects a station of the one-segment broadcast which is receivable in a present location, as a channel selectable station, channels of which are selectable, by using the broadcast area information. A channel selection control unit (118) performs channel selection control of selecting a channel of the one-segment broadcast of the channel selectable station. The present invention is applicable to a portable one-segment broadcast receiving terminal, for example.
摘要:
Apparatus having corresponding computer programs comprise: a code generator adapted to generate a transmitter identification block, wherein the transmitter identification block comprises 32 rows and 82 columns, wherein the first 66 symbols in each of the rows comprises a cyclically-extended 63-chip pseudonoise code that is selectively polarity-inverted according to a respective phase of a 32-chip Walsh code, and wherein each of the last 16 columns comprises a parity-extended 31-chip Gold code that is selectively polarity-inverted according to a respective phase of a 16-chip Walsh code; and a code inserter adapted to insert each of the rows into the reserved block of a respective one of 32 consecutive field synchronization segments in an Advanced Television Systems Committee (ATSC) television signal prior to transmission of the ATSC television signal.
摘要:
A transmitter identification information (TII) signal detection circuit is suitable for an orthogonal frequency division modulation system. A TII signal detection circuit receives a TII signal and conducts a cross-correlation calculation on the TII signal and a phase reference symbol (PRS) so as to obtain a present cross-correlation result, and then, sums the cross-correlation results obtained by conducting cross-correlations on AVE_TF_NUM-1 pieces of TII signals and the PRS and the present cross-correlation result so as to obtain an accumulated cross-correlation result. After that, a plurality of indices corresponding to a plurality of maximal values in the accumulated cross-correlation result is found out according to the accumulated cross-correlation result. Finally, a present main identifier (MainId) and a present sub-identifier (SubId) are calculated according to the four indices corresponding to the four maximal values, wherein the cross-correlation calculation is conducted on the TII signal and the PRS of every two adjacent sub-carriers.
摘要:
The present invention provides systems and methods for experiencing, in real-time, multimedia events from a remote location with ancillary location-associated content. For example, systems and methods of the present invention provide media users or viewers an enhanced, live, local broadcast and related locational information while the user or viewer is located in another geographical location.