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Apparatus for receiving adaptive broadcast signal and method thereofRelated Patent Categories: Interactive Video Distribution Systems, Video Distribution System With Upstream Communication, Having Link To External Network (e.g., Interconnected Computer Network), Connection To External Network At Receiver (e.g., Set-top Box)Apparatus for receiving adaptive broadcast signal and method thereof description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20080092185, Apparatus for receiving adaptive broadcast signal and method thereof. Brief Patent Description - Full Patent Description - Patent Application Claims
[0001] This application claims the benefit of U.S. Provisional Application No. 60/848,366, filed on Oct. 2, 2006, in the name of inventors Jin Pil KIM, Ho Taek HONG, Jong Yeul SUH and Joon Hwi LEE, titled "APPARATUS FOR RECEIVING ADAPTIVE BROADCAST SIGNAL AND METHOD THEREOF", which is hereby incorporated by reference. BACKGROUND [0002] 1. Field [0003] The present disclosure relates to an apparatus for receiving an adaptive broadcast signal and a method thereof, and more particularly, to a broadcast receiver and broadcast receiving method. Although the present invention is suitable for a wide scope of applications, it is particularly suitable for receiving an adaptive broadcast signal according to a receiver environment. [0004] 2. Discussion of the Related Art [0005] FIGS. 1A to 1C show a broadcast receiving method according to a related art. [0006] Referring to FIGS. 1A to 1C, in a related art TV, contents provided by a broadcasting station are transmitted via a radiowave transferring medium such as a broadcast network and the like by a cable broadcast provider, a terrestrial broadcast provider or a satellite broadcast provider. A viewer receives a corresponding service in a manner of viewing the contents via a TV receiver capable of receiving each of the transfer media. [0007] As the digital based TV technology has been developed and commercialized from the conventional analog TV broadcasting, various contents including real-time broadcasting, CoD (contents on demand), games, news and the like can be provided to viewers via Internet networks connected to home as well as the conventional radiowave media. [0008] As an example of the contents providing via the internet network, there is an internet protocol TV (IPTV). The IPTV means a service for providing information services, moving picture contents, broadcasts and the like to a television using high-speed internet networks. [0009] The IPTV is identical to normal cable broadcasting or satellite broadcasting in providing broadcast contents including video. Yet, the IPTV is characterized in having bi-directionality in addition. Differing from terrestrial broadcasting, cable broadcasting or satellite broadcasting, the IPTV enables a user to view a specific program at a specific time convenient to the user. [0010] However, a broadcast receiver may have a network speed for receiving a broadcast stream, which varies according to a network environment. And, a service transport speed of the broadcast receiver may vary according to a user level sorted according to a billing system or the like. Hence, a service provider needs to modify a broadcast transmission according to the user level. SUMMARY OF THE INVENTION [0011] Accordingly, the present invention is directed to an apparatus for receiving an adaptive broadcast signal and method thereof that substantially obviate one or more problems due to limitations and disadvantages of the related art. [0012] Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. [0013] To achieve these objects and other advantages and in accordance with the purpose of the invention, as embodied and broadly described herein, a method of receiving an adaptive broadcast signal according to the present invention includes the steps of linking an IP network, sending network environment information for a receiver and program selection information to a service provider via the linked IP network, and providing the receiver with at least one service in available service information for a program selected by a user based on the sent network environment information. [0014] In another aspect of the present invention, an adaptive broadcast receiver includes a network interface unit transceiving a broadcast stream capsulated into an IP packet by connecting the broadcast receiver to a service provider via a network, a control unit controlling contents encoded at a bit rate suitable for a network environment of the broadcast receiver to be received in a manner of sending network environment information for the broadcast receiver to the service provider via the network interface unit, and a display unit outputting the received broadcast stream. [0015] It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. BRIEF DESCRIPTION OF THE DRAWINGS [0016] The accompanying drawings, which are included to provide a further understanding of the implementations and are incorporated in and constitute a part of this disclosure, illustrate implementations and together with the description serve to explain the implementations. In the drawings; [0017] FIGS. 1A to 1C are diagrams for a broadcast receiving method according to a related art; [0018] FIG. 2 is a diagram for system layers of IPTV (IP television); [0019] FIG. 3 is a characteristic diagram for IPTV system; [0020] FIG. 4 is a block diagram of a system between a service provider and a broadcast receiver; [0021] FIG. 5 is a diagram for IP capsulation in case that a service provider provides a service to a broadcast receiver via an IP network; Continue reading about Apparatus for receiving adaptive broadcast signal and method thereof... 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