Using different physical interface to request retransmission of packet lost on unidirectional interface

• US 8,132,070 B2
• Filed: 06/19/2008
• Issued: 03/06/2012
• Est. Priority Date: 06/19/2008
• Status: Expired due to Fees

• Current Assignee: Sony Corporation (Sony Group Corp.), Sony Electronics Inc. (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.), Sony Electronics Inc. (Sony Group Corp.)
• Inventors: Carpio, Fredrik, Frazier, Milton Massey, Georgis, Nikolaos
• Primary Examiner(s): Beausoliel, Jr., Robert
• Assistant Examiner(s): Miles, Neil
• Application Number:
  US12/142,087
• Publication Number:
  US 20090319847A1
• Time in Patent Office: 1,356 Days
• Field of Search: 714/748
• US Class Current: 714/748
• CPC Class Codes: H04N 21/426 Internal components of the client ; Characteristics thereof H04N5/44 takes precedence
• CPC Class Codes: H04N 21/4425 Monitoring of client processing errors or hardware failure
• CPC Class Codes: H04N 21/4788 communicating with other users, e.g. chatting arrangements for providing for computer conferences, e.g. chat rooms, to substation in data switching networks H04L12/1813; distributed application using peer-to-peer [P2P] networks H04L67/104
• CPC Class Codes: H04N 21/631 Multimode Transmission, e.g. transmitting basic layers and enhancement layers of the content over different transmission paths or transmitting with different error corrections, different keys or with different transmission protocols
• CPC Class Codes: H04N 21/6375 for requesting retransmission , e.g. of data packets lost or corrupted during transmission from serverARQ protocols H04L1/18; implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP] H04L69/16
• CPC Class Codes: H04N 21/6377 directed to server one-way streaming services wherein the source is controlled by the destination H04L65/613
• CPC Class Codes: H04N 21/658 Transmission by the client directed to the server
• CPC Class Codes: H04N 7/17318 Direct or substantially direct transmission and handling of requests

Abstract

Packets detected to be lost from a unidirectional interface such as an ATSC tuner are requested from the source or a peer using a different physical interface. The packets may be retransmitted for reception over either interface.

Claims

1. A system, comprising:

a TV display;

a unidirectional interface configured to receive TV signals from a source;

a processor accessing the unidirectional interface and configured to cause the display to present the TV signals; and

a bidirectional interface configured to respond to a determination by the processor that information in the TV signals has been lost, the bidirectional interface responding by transmitting a request to retransmit the lost information;

wherein the unidirectional interface is an advanced television systems committee (ATSC) tuner;

wherein the request to retransmit is sent to a peer TV;

wherein the peer TV satisfies the request; and

wherein retransmitted information is received at the unidirectional interface.

2. The system of claim 1, wherein the lost information includes at least one lost packet.

3. A non-transitory tangible digital storage medium readable by a processor to:

determine that at least one packet in a TV signal received at a unidirectional interface is lost; and

in response to a determination, of a lost packet, sending a request for a retransmission of the packet using a physical interface different than the unidirectional interface;

wherein the unidirectional interface is an advanced television systems committee (ATSC) tuner;

wherein the request is sent to a peer TV for fulfillment of the request by the peer; and

wherein retransmitted packets are received at the unidirectional interface.

4. A method comprising:

detecting data as being lost from a receiver that includes a tuner on a TV; and

requesting a retransmission of the data from the source or a peer using a physical interface different from the receiver;

wherein the request is sent to a peer TV; and

wherein retransmitted packets from the source are received at the receiver.