Method and apparatus for overhead messaging in a wireless communication system

• US 7,349,425 B2
• Filed: 08/20/2001
• Issued: 03/25/2008
• Est. Priority Date: 03/28/2001
• Status: Expired due to Term

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Leung, Nikolai K. N., Sinnarajah, Ragulan
• Primary Examiner(s): LEE, CHI HO A
• Application Number:
  US09/933,971
• Publication Number:
  US 20030228861A1
• Time in Patent Office: 2,409 Days
• Field of Search: None
• US Class Current: 370/465
• CPC Class Codes: H04L 12/1877 Measures taken prior to transmission
• CPC Class Codes: H04L 12/189 in combination with wireless systems selective distribution or broadcast in wireless communication networks H04W4/06
• CPC Class Codes: H04L 2463/062 applying encryption of the keys cryptographic mechanisms or cryptographic arrangements for key distribution using key encryption key H04L9/0822
• CPC Class Codes: H04L 63/0428 wherein the data content is protected, e.g. by encrypting or encapsulating the payload
• CPC Class Codes: H04L 63/062 for key distribution, e.g. centrally by trusted party cryptographic mechanisms or cryptographic arrangements for key distribution involving a central third party H04L9/0819
• CPC Class Codes: H04L 63/065 for group communications cryptographic mechanisms or cryptographic arrangements for key management involving conference or group key H04L9/0833
• CPC Class Codes: H04L 63/164 at the network layer
• CPC Class Codes: H04L 63/18 using different networks or channels, e.g. using out of band channels cryptographic mechanisms or cryptographic arrangements for key distribution involving distinctive intermediate devices or communication paths H04L9/0827; cryptographic mechanisms or cryptographic arrangements for authentication using a plurality of channels H04L9/3215
• CPC Class Codes: H04L 65/1101 Session protocols
• CPC Class Codes: H04L 65/1104 Session initiation protocol [SIP]
• CPC Class Codes: H04L 65/611 for multicast or broadcast systems for broadcast or conference H04L12/18; arrangements for broadcast or distribution combined with broadcast H04H20/00; arrangements for broadcast applications with a direct linkage to broadcast information or to broadcast space-time H04H60/00; selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS], H04W4/06
• CPC Class Codes: H04L 65/65 Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
• CPC Class Codes: H04L 65/70 Media network packetisation
• CPC Class Codes: H04L 67/04 specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability
• CPC Class Codes: H04L 67/14 Session management for real-time applications in data packet communications networks H04L65/1066
• CPC Class Codes: H04L 67/535 Tracking the activity of the user network monitoring arrangements H04L43/00; recording of computer activity G06F11/34
• CPC Class Codes: H04L 69/04 Protocols for data compression, e.g. ROHC
• CPC Class Codes: H04L 69/16 Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
• CPC Class Codes: H04L 69/161 Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
• CPC Class Codes: H04L 69/164 Adaptation or special uses of UDP protocol
• CPC Class Codes: H04L 69/22 : Parsing or analysis of headers
• CPC Class Codes: H04L 69/32 : Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
• CPC Class Codes: H04L 9/40 : Network security protocols
• CPC Class Codes: H04W 12/033 : of the user plane, e.g. user's traffic
• CPC Class Codes: H04W 12/04 : Key management, e.g. using generic bootstrapping architecture [GBA]
• CPC Class Codes: H04W 4/06 : Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
• CPC Class Codes: H04W 80/00 : Wireless network protocols or protocol adaptations to wireless operation

Abstract

Method and apparatus for providing a broadcast system parameter message in a wireless communication system supporting a broadcast service. In one embodiment, the message identifies a service option number corresponding to a set of broadcast parameters. In an alternate embodiment, the message identifies a block of bytes corresponding to broadcast parameters. The message may be transmitted on a channel for transmitting overhead information. For a system supporting a broadcast service, the message identifies a protocol stack for processing broadcast content.

Claims

1. A method for a broadcast service in a wireless communication system, comprising:

tuning to an overhead channel for a broadcast service message;

retrieving from said broadcast service message a plurality of parameters for access of a broadcast channel for said broadcast service, said plurality of parameters including a broadcast service reference identifier specifying where to find the broadcast channel;

accessing said broadcast channel based on said plurality of parameters; and

receiving broadcast content from said broadcast channel.

2. The method as in claim 1 wherein said plurality of parameters includes physical-layer parameters of said communication system, said method further comprising accessing said broadcast channel based on said physical-layer parameters.

3. The method as in claim 2 wherein said physical-layer parameters include a channel identifier.

4. The method as in claim 2 wherein said physical-layer parameters include a radio configuration and a data rate for said broadcast channel.

5. The method as in claim 1 wherein said plurality of parameters includes a service option number, said method further comprising processing a protocol stack based on said service option number.

6. A method for broadcast in a wireless communication system, comprising:

broadcasting a broadcast service message via an overhead channel for multiple and direct reception, said broadcast service message includes physical-layer parameters of a broadcast channel in said communication system including a broadcast service reference identifier specifying where to find the broadcast channel; and

broadcasting broadcast content of said broadcast via said broadcast channel which is accessible based on said physical-layer parameters.

7. An apparatus for a broadcast service in a wireless communication system, comprising:

means for tuning to an overhead channel for a broadcast service message;

means for retrieving from said broadcast service message a plurality of parameters for access of a broadcast channel for said broadcast service, said plurality of parameters including a broadcast service reference identifier specifying where to find the broadcast channel;

means for accessing said broadcast channel based on said plurality of parameters; and

means for receiving broadcast content from said broadcast channel.

8. The apparatus as in claim 7 wherein said plurality of parameters includes physical-layer parameters of said communication system.

9. The apparatus as in claim 8 wherein said physical-layer parameters include a channel identifier.

10. The apparatus as in claim 8 wherein said physical-layer parameters include a radio configuration and a data rate for said broadcast channel.

11. The apparatus as in claim 7 wherein said plurality of parameters includes a service option number for processing a protocol stack based on said service option number.

12. An apparatus for broadcast in a wireless communication system, comprising:

means for broadcasting a broadcast service message via an overhead channel for multiple and direct reception, said broadcast service message includes physical-layer parameters of a broadcast channel in said communication system including a broadcast service reference identifier specifying where to find the broadcast channel; and

means for broadcasting broadcast content of said broadcast via said broadcast channel which is accessible based on said physical-layer parameters.