Method and apparatus of transmitting and receiving channel parameter attributes in wireless communication systems

• US 8,000,407 B2
• Filed: 10/27/2006
• Issued: 08/16/2011
• Est. Priority Date: 10/27/2005
• Status: Expired due to Fees

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Prakash, Rajat
• Primary Examiner(s): Tran; Khanh C
• Application Number:
  US12/091,452
• Publication Number:
  US 20090135927A1
• Time in Patent Office: 1,754 Days
• Field of Search: 375/260, 375/267, 375/295, 375/299, 370/208, 370/210
• US Class Current: 375/295
• 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 of transmission and reception of SetManagementSameChannelParameters, the method comprising generating a SetManagementSameChannelParameters attribute comprising an 8 bit Length field, an 8 bit AttributeID field, a 6 bit PilotAdd field, a 6 bit PilotCompare field, a 6 bit PilotDrop field, a 4 bit PilotDropTimer field, a 1 bit DynamicThresholds field, a 0 or 6 bit SoftSlope field, a 0 or 6 bit AddIntercept field, a 0 or 6 DropIntercept field, a 4 bit NeighborMaxAge field and a variable bit Reserved field and transmitting the SetManagementSameChannelParameters attribute over an OFDM communication link.

Claims

1. A method of transmission of an attribute in a wireless communication system, comprising:

generating a SetManagementSameChannelParameters attribute comprising;

an 8 bit Length field, wherein the Length field indicates a length of the complex attribute excluding the Length field;

an 8 bit AttributeID field;

a 6 bit PilotAdd field, wherein the PilotAdd field is used to trigger a PilotReport in a Connected State used at a value which is −

0.5 decibels (dB) times a value of the PilotAdd field and is set to a pilot detection threshold, expressed as an unsigned binary number equal to a function of E_c and I_o;

a 6 bit PilotCompare field, wherein the PilotCompare field is expressed as a 2'"'"'s compliment number set to a threshold Candidate Set pilot to Active Set pilot ratio, in units of 0.5 dB, and a PilotReport message is transmitted if a strength of a pilot in a Candidate Set exceeds a strength of a pilot in an Active Set by a value of the PilotCompare field;

a 6 bit PilotDrop field, wherein the PilotDrop field is used to start a PilotDrop timer for a pilot in the Active Set or the Candidate set used at a value −

0.5 dB times a value of the PilotDrop field and field is set to pilot drop threshold expressed as an unsigned binary number equal to a function of E_c and I_o;

a 4 bit PilotDropTimer field;

a 1 bit DynamicThresholds field;

a 0 bit or 6 bit SoftSlope field, wherein the SoftSlope field is set to an unsigned binary number, which is used in an inequality criterion for adding a pilot to the Active Set or dropping a pilot from the Active Set, the AddIntercept field is set to a 2'"'"'s compliment signed binary number in units of dB;

a 0 bit or 6 bit AddIntercept field;

a 0 bit or 6 bit DropIntercept field, the DropIntercept field is set to a 2'"'"'s compliment signed binary number in units of dB; and

a 4 bit NeighborMaxAge field, wherein the NeighborMaxAge field is set to a maximum AGE value beyond which members from a Neighbor Set are dropped; and

transmitting the SetManagementSameChannelParameters attribute over an orthogonal frequency division multiplexing (OFDM) communication link.

2. The method as claimed in claim 1, further comprising setting the PilotDropTimer field to a timer value after which an action is taken for a pilot that is a member of the Active Set or Candidate Set, and whose strength has not become greater than the value of the PilotDrop field.

3. The method as claimed in claim 1, further comprising setting a value of the DynamicThreshold field to ‘

1’

if SoftSlope, AddIntercept and DropIntercept fields are included in the SetManagementSameChannelParameters attribute, otherwise setting the value of the DynamicThreshold field to ‘

0’

.

4. A non-transitory computer readable medium including instructions stored thereon, comprising:

a first set of instructions for generating a SetManagementSameChannelParameters attribute comprising;

an 8 bit Length field, wherein the Length field indicates a length of the complex attribute excluding the Length field;

an 8 bit AttributeID field;

a 6 bit PilotAdd field, wherein the PilotAdd field is used to trigger a PilotReport in a Connected State used at a value which is −

0.5 decibels (dB) times a value of the PilotAdd field and is set to a pilot detection threshold, expressed as an unsigned binary number equal to a function of E_c and I_o;

a 6 bit PilotCompare field, wherein the PilotCompare field is expressed as a 2'"'"'s compliment number set to a threshold Candidate Set pilot to Active Set pilot ratio, in units of 0.5 dB, and a PilotReport message is transmitted if a strength of a pilot in a Candidate Set exceeds a strength of a pilot in an Active Set by a value of the PilotCompare field;

a 6 bit PilotDrop field, wherein the PilotDrop field is used to start a PilotDrop timer for a pilot in the Active Set or the Candidate set used at a value −

0.5 dB times a value of the PilotDrop field and field is set to pilot drop threshold expressed as an unsigned binary number equal to a function of E_c and I_o;

a 4 bit PilotDropTimer field;

a 1 bit DynamicThresholds field;

a 0 bit or 6 bit SoftSlope field, wherein the SoftSlope field is set to an unsigned binary number, which is used in an inequality criterion for adding a pilot to the Active Set or dropping a pilot from the Active Set, the AddIntercept field is set to a 2'"'"'s compliment signed binary number in units of dB;

a 0 bit or 6 bit AddIntercept field;

a 0 bit or 6 bit DropIntercept field, the DropIntercept field is set to a 2'"'"'s compliment signed binary number in units of dB; and

a 4 bit NeighborMaxAge field, wherein the NeighborMaxAge field is set to a maximum AGE value beyond which members from a Neighbor Set are dropped; and

a second set of instructions for transmitting the SetManagementSameChannelParameers attribute over an orthogonal frequency division multiplexing (OFDM) communication link.

5. An apparatus operable in a wireless communication system, comprising:

means for generating a SetManagementSameChannelParameters attribute comprising;

an 8 bit Length field, wherein the Length field indicates a length of the complex attribute excluding the Length field;

an 8 bit AttributeID field;

a 6 bit PilotAdd field, wherein the PilotAdd field is used to trigger a PilotReport in a Connected State used at a value which is −

0.5 decibels (dB) times a value of the PilotAdd field and is set to a pilot detection threshold, expressed as an unsigned binary number equal to a function of E_c and I_o;

a 6 bit PilotCompare field, wherein the PilotCompare field is expressed as a 2'"'"'s compliment number set to a threshold Candidate Set pilot to Active Set pilot ratio, in units of 0.5 dB, and a PilotReport message is transmitted if a strength of a pilot in a Candidate Set exceeds a strength of a pilot in an Active Set by a value of the PilotCompare field;

a 6 bit PilotDrop field, wherein the PilotDrop field is used to start a PilotDrop timer for a pilot in the Active Set or the Candidate set used at a value −

0.5 dB times a value of the PilotDrop field and field is set to pilot drop threshold expressed as an unsigned binary number equal to a function of E_c and I_o;

a 4 bit PilotDropTimer field;

a 1 bit DynamicThresholds field;

a 0 bit or 6 bit SoftSlope field, wherein the SoftSlope field is set to an unsigned binary number, which is used in an inequality criterion for adding a pilot to the Active Set or dropping a pilot from the Active Set, the AddIntercept field is set to a 2'"'"'s compliment signed binary number in units of dB;

a 0 bit or 6 bit AddIntercept field;

a 0 bit or 6 bit DropIntercept field, the DropIntercept field is set to a 2'"'"'s compliment signed binary number in units of dB; and

a 4 bit NeighborMaxAge field, wherein the NeighborMaxAge field is set to a maximum AGE value beyond which members from a Neighbor Set are dropped; and

means for transmitting the SetManagementSameChannelParameters attribute over an orthogonal frequency division multiplexing (OFDM) communication link.

6. The apparatus as claimed in claim 5, further comprising means for setting the PilotDropTimer field to a timer value after which an action is taken for a pilot that is a member of the Active Set or Candidate Set, and whose strength has not become greater than the value of the PilotDrop field.

7. The apparatus as claimed in claim 5, further comprising means for setting a value of the DynamicThreshold field to ‘

1’

if SoftSlope, AddIntercept and DropIntercept fields are included in the SetManagementSameChannelParameters attribute, otherwise setting the value of the DynamicThreshold field to ‘

0’

.

8. A method of receiving information in a wireless communication system, comprising:

receiving a SetManagementSameChannelParameters attribute comprising;

an 8 bit Length field, wherein the Length field indicates a length of the complex attribute excluding the Length field;

an 8 bit AttributeID field;

a 6 bit PilotAdd field, wherein the PilotAdd field is used to trigger a PilotReport in a Connected State used at a value which is −

0.5 decibels (dB) times a value of the PilotAdd field and is set to a pilot detection threshold, expressed as an unsigned binary number equal to a function of E_c and I_o;

a 6 bit PilotCompare field, wherein the PilotCompare field is expressed as a 2'"'"'s compliment number set to a threshold Candidate Set pilot to Active Set pilot ratio, in units of 0.5 dB, and a PilotReport message is transmitted if a strength of a pilot in a Candidate Set exceeds a strength of a pilot in an Active Set by a value of the PilotCompare field;

a 6 bit PilotDrop field, wherein the PilotDrop field is used to start a PilotDrop timer for a pilot in the Active Set or the Candidate set used at a value −

0.5 dB times a value of the PilotDrop field and field is set to pilot drop threshold expressed as an unsigned binary number equal to a function of E_c and I_o;

a 4 bit PilotDropTimer field;

a 1 bit DynamicThresholds field;

a 0 bit or 6 bit SoftSlope field, wherein the SoftSlope field is set to an unsigned binary number, which is used in an inequality criterion for adding a pilot to the Active Set or dropping a pilot from the Active Set, the AddIntercept field is set to a 2'"'"'s compliment signed binary number in units of dB;

a 0 bit or 6 bit AddIntercept field;

a 0 bit or 6 bit DropIntercept field, the DropIntercept field is set to a 2'"'"'s compliment signed binary number in units of dB; and

a 4 bit NeighborMaxAge field, wherein the NeighborMaxAge field is set to a maximum AGE value beyond which members from a Neighbor Set are dropped; and

processing the SetManagementSameChannelParameters attribute.

9. The method as claimed in claim 8, further comprising sending a PilotReport message in the Connected State if the pilot is a member of the Active Set or moving the pilot to the Neighbor Set if the pilot is a member of the Candidate Set.

10. A non-transitory computer-readable medium including instructions stored thereon, comprising:

a first set of instructions for receiving a SetManagementSameChannelParameters attribute comprising;

an 8 bit Length field, wherein the Length field indicates a length of the complex attribute excluding the Length field;

an 8 bit AttributeID field;

a 6 bit PilotAdd field, wherein the PilotAdd field is used to trigger a PilotReport in a Connected State used at a value which is −

0.5 decibels (dB) times a value of the PilotAdd field and is set to a pilot detection threshold, expressed as an unsigned binary number equal to a function of E_c and I_o;

a 6 bit PilotCompare field, wherein the PilotCompare field is expressed as a 2'"'"'s compliment number set to a threshold Candidate Set pilot to Active Set pilot ratio, in units of 0.5 dB, and a PilotReport message is transmitted if a strength of a pilot in a Candidate Set exceeds a strength of a pilot in an Active Set by a value of the PilotCompare field;

a 6 bit PilotDrop field, wherein the PilotDrop field is used to start a PilotDrop timer for a pilot in the Active Set or the Candidate set used at a value −

0.5 dB times a value of the PilotDrop field and field is set to pilot drop threshold expressed as an unsigned binary number equal to a function of E_c and I_o;

a 4 bit PilotDropTimer field;

a 1 bit DynamicThresholds field;

a 0 bit or 6 bit SoftSlope field, wherein the SoftSlope field is set to an unsigned binary number, which is used in an inequality criterion for adding a pilot to the Active Set or dropping a pilot from the Active Set, the AddIntercept field is set to a 2'"'"'s compliment signed binary number in units of dB;

a 0 bit or 6 bit AddIntercept field;

a 0 bit or 6 bit DropIntercept field, the DropIntercept field is set to a 2'"'"'s compliment signed binary number in units of dB; and

a 4 bit NeighborMaxAge field, wherein the NeighborMaxAge field is set to a maximum AGE value beyond which members from a Neighbor Set are dropped; and

a second set of instructions for processing the SetManagementSameChannelParameter attribute.

11. An apparatus operable in a wireless communication system, the apparatus comprising:

means for receiving a SetManagementSameChannelParameters attribute comprising;

an 8 bit Length field, wherein the Length field indicates a length of the complex attribute excluding the Length field;

an 8 bit AttributeID field;

a 6 bit PilotAdd field, wherein the PilotAdd field is used to trigger a PilotReport in a Connected State used at a value which is −

0.5 decibels (dB) times a value of the PilotAdd field and is set to a pilot detection threshold, expressed as an unsigned binary number equal to a function of E_c and I_o;

a 6 bit PilotCompare field, wherein the PilotCompare field is expressed as a 2'"'"'s compliment number set to a threshold Candidate Set pilot to Active Set pilot ratio, in units of 0.5 dB, and a PilotReport message is transmitted if a strength of a pilot in a Candidate Set exceeds a strength of a pilot in an Active Set by a value of the PilotCompare field;

a 6 bit PilotDrop field, wherein the PilotDrop field is used to start a PilotDrop timer for a pilot in the Active Set or the Candidate set used at a value −

0.5 dB times a value of the PilotDrop field and field is set to pilot drop threshold expressed as an unsigned binary number equal to a function of E_c and I_o;

a 4 bit PilotDropTimer field;

a 1 bit DynamicThresholds field;

a 0 bit or 6 bit SoftSlope field, wherein the SoftSlope field is set to an unsigned binary number, which is used in an inequality criterion for adding a pilot to the Active Set or dropping a pilot from the Active Set, the AddIntercept field is set to a 2'"'"'s compliment signed binary number in units of dB;

a 0 bit or 6 bit AddIntercept field;

a 0 bit or 6 bit DropIntercept field, the DropIntercept field is set to a 2'"'"'s compliment signed binary number in units of dB; and

a 4 bit NeighborMaxAge field, wherein the NeighborMaxAge field is set to a maximum AGE value beyond which members from a Neighbor Set are dropped; and

means for processing the SetManagementSameChannelParameters attribute.

12. The apparatus as claimed in claim 11, further comprising means for sending a PilotReport message in the Connected State if the pilot is a member of the Active Set or moving the pilot to the Neighbor Set of the pilot is a member of the Candidate Set.