Variable state length initialization

• US 8,208,520 B2
• Filed: 10/20/2010
• Issued: 06/26/2012
• Est. Priority Date: 06/07/2001
• Status: Expired due to Term

• Current Assignee: Intellectual Ventures II LLC (Intellectual Ventures LLC)
• Original Assignee: Daphimo Co BV LLC (Intellectual Ventures LLC)
• Inventors: Tzannes, Marcos C.
• Primary Examiner(s): Vo, Don N
• Application Number:
  US12/908,321
• Publication Number:
  US 20110032975A1
• Time in Patent Office: 615 Days
• Field of Search: 375/222, 375/260
• US Class Current: 375/222
• CPC Class Codes: H04L 27/2601 Multicarrier modulation systems
• CPC Class Codes: H04L 5/0044 allocation of payload
• CPC Class Codes: H04L 5/0053 Allocation of signaling, i.e. of overhead other than pilot signals
• CPC Class Codes: H04L 5/1438 Negotiation of transmission parameters prior to communication modified according to link quality H04L1/0001
• CPC Class Codes: H04L 69/24 Negotiation of communication capabilities
• CPC Class Codes: H04L 9/40 Network security protocols
• CPC Class Codes: H04M 11/062 using different frequency bands for speech and other data

Abstract

Through the use of a variable state length initialization, both the transmitter and the receiver can have control of the length of one or more initialization states. For example, a transmitter can send information, such as a message, to the receiver at the commencement of, during initialization or prior to entering a variable length initialization state. The information can specify, for example, a minimum length of an initialization state as needed by the transmitter.

Claims

1. A method for variable state length initialization in a first multicarrier transceiver, comprising:

receiving, from a second multicarrier transceiver, by the first multicarrier transceiver, a plurality of values, wherein the plurality of values specify respective minimum numbers of multicarrier symbols for a plurality of respective initialization states;

transmitting to the second multicarrier transceiver, by the first multicarrier transceiver, at least a first minimum number of multicarrier symbols for a first initialization state of the plurality of initialization states; and

transmitting to the second multicarrier transceiver, by the first multicarrier transceiver, a predefined signal indicating exit from the first initialization state after at least the first minimum number of multicarrier symbols has been transmitted.

2. The method of claim 1, further comprising:

transmitting to the second multicarrier transceiver, by the first multicarrier transceiver, at least a second minimum number of multicarrier symbols for a second initialization state of the plurality of initialization states, and

transmitting to the second multicarrier transceiver, by the first multicarrier transceiver, the predefined signal indicating exit from the second initialization state after at least the second minimum number of multicarrier symbols has been transmitted.

3. The method of claim 1, wherein the first minimum number of multicarrier symbols for the first initialization state is less than a predefined maximum number of multicarrier symbols for the first initialization state.

4. The method of claim 1, wherein the plurality of values include at least one of an identifier and a message.