METHOD AND APPARATUS FOR TRANSMITTING A PILOT REPORT (PILOTREPORT) MESSAGE IN WIRELESS COMMUNICATION SYSTEMS

• US 20090098841A1
• Filed: 10/27/2006
• Published: 04/16/2009
• Est. Priority Date: 10/27/2005
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Ulupinar, Fatih, Prakash, Rajat
• Granted Patent: US 8,744,444 B2
• Time in Patent Office: Days
• US Class Current: 455/115.2
• CPC Class Codes: H04B 17/318 Received signal strength
• CPC Class Codes: H04B 17/382 for resource allocation, admission control or handover
• 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 1/0028 Formatting
• CPC Class Codes: H04L 1/0675 characterised by the signaling
• CPC Class Codes: H04L 27/2647 Arrangements specific to the receiver only equalisation H04L27/01
• CPC Class Codes: H04L 41/0803 Configuration setting
• CPC Class Codes: H04L 41/083 for increasing network speed
• CPC Class Codes: H04L 41/0869 Validating the configuration within one network element
• CPC Class Codes: H04W 24/10 Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 52/0235 where the received signal is a power saving command
• CPC Class Codes: H04W 88/02 Terminal devices
• CPC Class Codes: Y02D 30/00 Reducing energy consumption in communication networks
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

A method and apparatus for transmitting a PilotReport message is provided, comprising generating the PilotReport message and determining if an Active Set Size value is greater than one. In an embodiment, the access terminal will send a PilotReport message if one of the following conditions occurs: If the Active Set Size is greater than one, and EnhancedPilotReportEnabled=1, and The strength of a pilot in the active set has changed by more than an EnhancedPilotReportThreshold since the last PilotReport was sent. If the Active Set Size is one, and EnhancedPilot ReportEnabled=1, and The strongest current non-active pilot (for example, pilot j) has strength more than the EnhancedPilotReportRatio fraction of the total interference, and The strength of pilot j is more than EnhancedPilotReportThreshold away than the strength of the second strongest pilot at the time the last pilot report was sent.

Claims

1. A method for transmitting a pilot report (PilotReport) message in a wireless communication system characterized in that:

generating a PilotReport message; and

determining if an Active Set Size value is greater than one.

2. The method as claimed in claim 1, characterized in that determining if an enhanced pilot report enabled (EnhancedPilotReportEnabled) value is 1, if strength of a pilot in an active set has changed by more than an enhanced pilot response threshold (EnhancedPilotResponseThreshold) value since the last transmitted PilotReport message and transmitting the PilotReport message, if the Active Set Size value is greater than one.

3. The method as claimed in claim 1, characterized in that determining if the EnhancedPilotReportEnabled value is 1, if the strength of a strongest non-active pilot is more than an enhanced pilot report ratio (EnhancedPilotReportRatio) fraction of total interference and if the strength of strongest non-active pilot is more than the strength of a strongest second pilot by EnhancedPilotReportThreshold at a time when the last pilot report was transmitted and transmitting the PilotReport message, if the Active Set Size value is one.

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

a first set of instructions for generating a pilot report (PilotReport) message; and

a second set of instructions for determining if an Active Set Size value is greater than one.

5. The computer-readable medium as claimed in claim 4, characterized in that a third set of instructions for determining if an enhanced pilot report enabled (EnhancedPilotReportEnabled) value is 1, if strength of a pilot in an active set has changed by more than an enhanced pilot response threshold (EnhancedPilotResponseThreshold) value since the last transmitted PilotReport message and transmitting the PilotReport message, if the Active Set Size value is greater than one.

6. The computer-readable medium as claimed in claim 4, characterized in that a fourth set of instructions for determining if the EnhancedPilotReportEnabled value is 1, if the strength of a strongest non-active pilot is more than an enhanced pilot report ratio (EnhancedPilotReportRatio) fraction of total interference and if the strength of strongest non-active pilot is more than the strength of a strongest second pilot by EnhancedPilotReportThreshold at a time when the last pilot report was transmitted and transmitting the PilotReport message, if the Active Set Size value is one.

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

means for generating a pilot report (PilotReport) message; and

means for determining if an Active Set Size value is greater than one.

8. The apparatus as claimed in claim 7, characterized in that means for determining if an enhanced pilot report enabled (EnhancedPilotReportEnabled) value is 1, if strength of a pilot in an active set has changed by more than an enhanced pilot response threshold (EnhancedPilotResponseThreshold) value since the last transmitted PilotReport message and transmitting the PilotReport message, if the Active Set Size value is greater than one.

9. The apparatus as claimed in claim 7, characterized in that means for determining if the EnhancedPilotReportEnabled value is 1, if the strength of a strongest non-active pilot is more than an enhanced pilot report ratio (EnhancedPilotReportRatio) fraction of total interference and if the strength of strongest non-active pilot is more than the strength of a strongest second pilot by EnhancedPilotReportThreshold at a time when the last pilot report was transmitted and transmitting the PilotReport message, if the Active Set Size value is one.