IP Library Granted Patent US 11,019,375
Granted Patent B2
US 11,019,375 · App. 16/666,121 · Granted May 25, 2021

Method and apparatus for installing conditional access system information

Inventors: Hyejin Lee (Seoul, KR); Myungjin Eom (Seoul, KR); Heejeong Lee (Yongin-si, KR)
Assignee: Samsung Electronics Co., Ltd.
H04N21/2347H04L63/0442H04L63/062H04L63/08H04L63/10H04L63/123H04N21/266H04N21/4405H04N21/4524H04J2203/008H04L2463/101
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Quick Facts
Patent No.
US 11,019,375
App. No.
16/666,121
Granted
May 25, 2021
Kind
B2
Abstract

Various exemplary embodiments of the present disclosure relate to method and an apparatus a broadcast receiver for a conditional access system (CAS) information download. The CAS information download method includes acquiring broadcast provider information. The method also includes, selecting a broadcast provider based on the broadcast provider information. The method further includes, transmitting a subscription request including identity information of the broadcast reception device to a broadcast provider server of the selected broadcast provider. The method also includes, downloading CAS information from a CAS server.

Claims (74)

1. A method performed by a terminal, the method comprising:

acquiring identity information of a broadcast reception device;

acquiring, from a broadcast provider list server, broadcast provider information including a list of broadcast providers available to the broadcast reception device and at least one payment plan supported by the broadcast providers;

selecting a broadcast provider among the list of broadcast providers and a payment plan of the broadcast provider among the at least one payment plan; and

transmitting, to a broadcast provider server of the selected broadcast provider, a subscription request including the identity information of the broadcast reception device,

wherein a conditional access system (CAS) installation request is transmitted from the broadcast provider server to a CAS server based on the subscription request, and

wherein CAS information is generated based on information included in the CAS installation request.

2. The method of claim 1 , wherein the CAS information including key information for broadcast information to be received from the broadcast provider server, and

wherein the at least one payment plan is associated with at least one of a channel type, a channel quality, and a content type.

3. The method of claim 1 , wherein the identity information of the broadcast reception device comprises identity information of a security domain where the CAS information is downloaded and installed.

4. The method of claim 1 , further comprising:

receiving, from the CAS server, push information associated with the CAS information; and

transmitting, to the CAS server, information indicating download agreement for the CAS information,

wherein the CAS information is downloaded to the broadcast reception device from the CAS server based on the information indicating download agreement.

5. The method of claim 1 , wherein the list of broadcast providers are sorted based on location information, and

wherein the subscription request includes information on the selected payment plan supported by the selected broadcast provider.

6. A terminal comprising:

a transceiver; and

a controller coupled with the transceiver and configured to:

acquire identity information of a broadcast reception device,

acquire broadcast provider information including a list of broadcast providers available to the broadcast reception device and at least one payment plan supported by the broadcast providers,

select a broadcast provider among the list of broadcast providers and a payment plan of the broadcast provider among the at least one payment plan, and

transmit, to a broadcast provider server of the selected broadcast provider via the transceiver, a subscription request including the identity information of the broadcast reception device,

wherein a conditional access system (CAS) installation request is transmitted from the broadcast provider server to a CAS server based on the subscription request, and

wherein CAS information is generated based on information included in the CAS installation request.

7. The terminal of claim 6 , wherein the CAS information including key information for broadcast information to be received from the broadcast provider server, and

wherein the at least one payment plan is associated with at least one of a channel type, a channel quality, and a content type.

8. The terminal of claim 6 , wherein the identity information of the broadcast reception device comprises identity information of a security domain where the CAS information is downloaded and installed.

9. The terminal of claim 6 , wherein the controller is further configured to:

receive, from the CAS server, push information associated with the CAS information, and

transmit, to the CAS server, information indicating download agreement for the CAS information,

wherein the CAS information is downloaded to the broadcast reception device from the CAS server based on the information indicating download agreement.

10. The terminal of claim 6 , wherein the list of broadcast providers are sorted based on location information, and

wherein the subscription request includes information on the selected payment plan supported by the selected broadcast provider.

11. A method performed by a conditional access system (CAS) server, the method comprising:

receiving a CAS installation request based on subscription request of a broadcast reception device from a broadcast provider server, wherein the broadcast provider server is selected by a terminal based on broadcast provider information including a list of broadcast providers that is provided by a broadcast provider list server and available to the broadcast reception device;

generating CAS information for the broadcast reception device based on the CAS installation request;

receiving a CAS information download request; and

transmitting, to the broadcast reception device, the CAS information,

wherein the broadcast provider information further includes at least one payment plan supported by the broadcast providers.

12. The method of claim 11 , wherein a broadcast provider of the broadcast provider server is selected among the list of broadcast providers and a payment plan of the broadcast provider is selected among the at least one payment plan,

wherein the CAS information includes key information for broadcast information to be received from the broadcast provider server, and

wherein the at least one payment plan is associated with at least one of a channel type, a channel quality, and a content type.

13. The method of claim 11 , wherein the CAS installation request comprises the subscription request,

wherein the subscription request includes information on the selected payment plan supported by the selected broadcast provider,

wherein generating the CAS information comprises:

encrypting the CAS information; and

transmitting the encrypted CAS information to a security domain of the broadcast reception device.

14. The method of claim 11 , further comprising authenticating the broadcast reception device based on an identity information included in the CAS installation request and the CAS information download request,

wherein the CAS information is transmitted to the broadcast reception device in case that the broadcast reception device is successfully authenticated.

15. The method of claim 11 , further comprising:

transmitting push information associated with the CAS information; and

transmitting a CAS information download notification to a broadcast provider list server.

16. A conditional access system (CAS) server comprising:

a transceiver; and

a controller coupled with the transceiver and configured to:

receive, via the transceiver, a CAS installation request based on subscription request of a broadcast reception device from a broadcast provider server, wherein the broadcast provider server is selected by a terminal based on broadcast provider information including a list of broadcast providers that is provided by a broadcast provider list server and available to the broadcast reception device,

generate CAS information for the broadcast reception device based on the CAS installation request,

receive, via the transceiver, a CAS information download request, and

transmit, to the broadcast reception device via the transceiver, the CAS information,

wherein the broadcast provider information further includes at least one payment plan supported by the broadcast providers.

17. The CAS server of the claim 16 ,

wherein a broadcast provider of the broadcast provider server is selected among the list of broadcast providers and a payment plan of the broadcast provider is selected among the at least one payment plan,

wherein the CAS information includes key information for broadcast information to be received from the broadcast provider server, and

wherein the at least one payment plan is associated with at least one of a channel type, a channel quality, and a content type.

18. The CAS server of claim 16 , wherein the CAS installation request comprises the subscription request,

wherein the subscription request includes information on the selected payment plan supported by the selected broadcast provider,

wherein the controller is further configured to encrypt the CAS information and to transmit the encrypted CAS information to a security domain of the broadcast reception device.

19. The CAS server of claim 16 , wherein the controller is further configured to:

authenticate the broadcast reception device based on an identity information included in the CAS installation request and the CAS information download request, and

transmit the CAS information, to the broadcast reception device, in case that the broadcast reception device is successfully authenticated.

20. The CAS server of claim 16 , wherein the controller is further configured to:

transmit push information associated with the CAS information, and

transmit a CAS information download notification to a broadcast provider list server.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 28, 2019
From: LEE, HYEJIN; EOM, MYUNGJIN; LEE, HEEJEONG
To: SAMSUNG ELECTRONICS CO., LTD.
Reel/Frame 050846/0434 →
Priority Claims (1)
KR 10-2016-0102424 · Aug 11, 2016 · national
Continuity (2)
Continuation 15675553 · Aug 11, 2017
Related Publication 20200068233A1 · Feb 27, 2020