IP Library Granted Patent US 7,379,416
Granted Patent B2
US 7,379,416 · App. 10/099,815 · Granted May 27, 2008

Forward packet data channel with parallel sub-packets

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Quick Facts
Patent No.
US 7,379,416
App. No.
10/099,815
Granted
May 27, 2008
Kind
B2
Abstract

A method of time division multiplexing for a forward data packet channel includes encoding parallel data sub-packets into parallel streams of turbo codes; interleaving each of the parallel streams of turbo codes to generate parallel streams of quasi-complementary turbo codes; modulating the parallel streams of quasi-complementary turbo codes to generate parallel streams of modulated data symbols; and multiplexing the parallel streams of modulated data symbols by one of multiplexing and non-complete puncturing to generate a single stream of modulation symbols.

Claims (18)

1. A method of time division multiplexing for a forward data packet channel comprising:

encoding parallel data sub-packets into parallel streams of turbo codes;

interleaving each of the parallel streams of turbo codes to generate parallel streams of quasi-complementary turbo codes;

modulating the parallel streams of quasi-complementary turbo codes to generate parallel streams of modulated data symbols; and

multiplexing the parallel streams of modulated data symbols by non-complete punturing to generate a single stream of modulation symbols, wherein the non-complete puncturing punctures a first set of data sub-packets into a second set of data sub-packets without occupying payload of the second set of data sub-packets.

2. The method of claim 1 further comprising demultiplexing the single stream of modulation symbols into multiple in-phase and quadrature data steams.

3. The method of claim 2 further comprising covering each of the multiple in-phase and quadrature data streams with a distinct Walsh code to generate parallel streams of Walsh-covered symbols.

4. The method of claim 3 further comprising summing the parallel streams of Walsh-covered symbols to generate a single in-phase and quadrature sample stream pair.

5. The method of claim 1 wherein the modulation is one of quadrature phase shift keying, 8-phase shift keying, and 16-quadrature amplitude modulation.

6. A forward data packet channel comprising:

means for encoding parallel data sub-packets into parallel streams of turbo codes;

means for interleaving each of the parallel streams of turbo codes to generate parallel streams of quasi-complementary turbo codes;

means for modulating the parallel streams of quasi-complementary turbo codes to generate parallel streams of modulated data symbols; and

means for combining the parallel streams of modulated data symbols by non-complete puncturing to generate a signal stream of modulation symbols, wherein the non-complete puncturing punctures a first set of data sub-packets into a second set of data sub-packets without occupying payload of the second set of data sub-packets.

7. The system of claim 6 further comprising means for demultiplexing the single stream of modulation symbols into multiple in-phase and quadrature sample streams.

8. The system of claim 7 further comprising means for covering the multiple in-phase and quadrature sample streams with a separate Walsh function to generate parallel streams of Walsh-covered symbols.

9. The system of claim 8 further comprising means for summing the parallel streams of Walsh-covered symbols to generate a single in-phase and quadrature sample stream pair.

10. The system of claim 9 wherein the means for modulating comprises one of quadrature phase shift keying, 8-phase shift keying, and 16-quadrature amplitude modulation.

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 20, 2020
From: INTEL CORPORATION
To: APPLE INC.
Reel/Frame 052916/0308 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 11, 2015
From: VIA TELECOM CO., LTD.
To: INTEL CORPORATION
Reel/Frame 037096/0075 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 14, 2003
From: LSI LOGIC CORPORATION
To: VIA TELECOM CO., LTD
Reel/Frame 014691/0104 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 13, 2002
From: YANG, HONG YUI; CZAJA, STANISLAW
To: LSI LOGIC CORPORATION
Reel/Frame 012723/0780 →