METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING A TIMING CORRECTION MESSAGE IN A WIRELESS COMMUNICATION SYSTEM

• US 20110268234A1
• Filed: 07/14/2011
• Published: 11/03/2011
• Est. Priority Date: 10/27/2005
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Khandekar, Aamod, Prakash, Rajat
• Granted Patent: US 8,300,751 B2
• Time in Patent Office: Days
• US Class Current: 375/354
• CPC Class Codes: H03M 13/2725 Turbo interleaver for 3rd generation partnership project 2 [3GPP2] mobile telecommunication systems, e.g. as defined in the 3GPP2 technical specifications C.S0002
• CPC Class Codes: H03M 13/276 Interleaving address generation
• CPC Class Codes: H03M 13/2789 Interleaver providing variable interleaving, e.g. variable block sizes
• CPC Class Codes: H03M 13/2957 Turbo codes and decoding
• CPC Class Codes: H04B 1/7143 Arrangements for generation of hop patterns
• CPC Class Codes: H04J 13/00 Code division multiplex systems for frequency hopping H04B1/713
• CPC Class Codes: H04L 1/0003 by switching between different modulation schemes
• CPC Class Codes: H04L 1/0026 Transmission of channel quality indication
• CPC Class Codes: H04L 1/0625 Transmitter arrangements
• CPC Class Codes: H04L 25/0228 with direct estimation from sounding signals
• CPC Class Codes: H04L 27/2602 Signal structure
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/0026 Division using four or more dimensions
• CPC Class Codes: H04L 5/0041 Frequency-non-contiguous
• CPC Class Codes: H04L 5/005 of common pilots, i.e. pilots destined for multiple users or terminals
• CPC Class Codes: H04W 52/54 Signalisation aspects of the TPC commands, e.g. frame structure

Abstract

A method for transmitting a timing correction message in a wireless communication system, the method comprising, Generating the timing correction message comprising a 8-bit MessageID field and a 2-bit NumSectors field wherein, the NumSectors field indicates the number of sector records in the message and a 16 bit TimingCorrection field wherein, the TimingCorrection indicates the timing correction on the sector and last 15 bits indicate the magnitude of timing correction in units of 1/8 chips and transmitting the timing correction message over a communication link.

Claims

2. The method as claimed in claim 2, characterized in that, setting the first bit of the TimingCorrection field to ‘

0’

for timing advance command and to ‘

1’

for timing retard command.

3. A computer-readable medium including instructions stored thereon, characterized in that:

a set of instructions for generating the timing correction message comprising a 8-bit MessageID field and a 2-bit NumSectors field wherein, the NumSectors field indicates the number of sector records in the message and a 16 bit TimingCorrection field wherein, the TimingCorrection indicates the timing correction on the sector and last 15 bits indicate the magnitude of timing correction in units of 1/8 chips; and

a set of instructions for transmitting the timing correction message over a communication link.

4. An apparatus operable in a wireless communication system, characterized in that:

means for generating the timing correction message comprising a 8-bit MessageID field and a 2-bit NumSectors field wherein, the NumSectors field indicates the number of sector records in the message and a 16 bit TimingCorrection field wherein, the TimingCorrection indicates the timing correction on the sector and last 15 bits indicate the magnitude of timing correction in units of 1/8 chips; and

means for transmitting the timing correction message over a communication link.

5. The apparatus as claimed in claim 4, characterized in that means for setting the first bit of the TimingCorrection field to ‘

0’

for timing advance command and to ‘

1’

for timing retard command.

6. A method for receiving a timing correction message in a wireless communication system, the method comprising:

receiving the timing correction message comprising a 8-bit MessageID field and a 2-bit NumSectors field wherein, the NumSectors field indicates the number of sector records in the message and a 16 bit TimingCorrection field wherein, the TimingCorrection indicates the timing correction on the sector and last 15 bits indicate the magnitude of timing correction in units of 1/8 chips;

processing the timing correction message.

7. The method as claimed in claim 6, further comprising interpreting the first bit of the TimingCorrection field as timing advance command when ‘

0’ and

as timing retard command when ‘

1’

.

8. A computer-readable medium including instructions stored thereon, comprising:

a set of instructions for receiving a timing correction message comprising a 8-bit MessageID field and a 2-bit NumSectors field wherein, the NumSectors field indicates the number of sector records in the message and a 16 bit TimingCorrection field wherein, the TimingCorrection indicates the timing correction on the sector and last 15 bits indicate the magnitude of timing correction in units of 1/8 chips; and

a set of instructions for processing the TokenAssignment message.

9-1. The apparatus as claimed in claim 9, further comprising means for interpreting the first bit of the TimingCorrection field as timing advance command when ‘

0’ and

as timing retard command when ‘

1’

.