Handling signal quality measurements in a wireless communication network

Patent metadata

Field	Value
Publication number	US-9288698-B2
Application number	US-201213996699-A
Country	US
Kind code	B2
Filing date	Nov 2, 2012
Priority date	Nov 2, 2012
Publication date	Mar 15, 2016
Grant date	Mar 15, 2016

Abstract

Embodiments of the present disclosure describe techniques and configurations for handling signal quality measurements by a wireless device in a wireless network environment, particularly in a coordinated transmission environment. An apparatus may include computer-readable media having instructions and one or more processors coupled with the media and configured to execute the instructions to generate a power parameter corresponding to a power adjustment associated with a reference signal, provide the reference signal generated based in part on the generated power parameter to a wireless device, and provide the power parameter to transmission points operating in the coordinated transmission environment. Each of the transmission points may be configured to communicate the power parameter to the wireless device, and the wireless device may be configured to determine, based at least in part on the power parameter, a power characteristics associated with a channel in which the reference signal is provided.

First claim

The invention claimed is:

1. An apparatus comprising:
one or more non-transitory computer-readable media comprising instructions; and
one or more processors coupled with the one or more non-transitory computer-readable media and configured to execute the instructions to:
generate a power parameter corresponding to a power value adjustment associated with a reference signal to be provided to one wireless device operating on a wireless communication network;
provide the reference signal generated based at least in part on the generated power parameter to the at least one wireless device; and
provide the generated power parameter to one or more transmission points in a data structure including a plurality of parameters associated with the reference signal, wherein the plurality of parameters includes antenna ports count parameter, resource configuration parameter, and subframe configuration parameter,

wherein at least one of the one or more transmission points is configured to communicate the power parameter to the at least one wireless device, and wherein the at least one wireless device is configured to determine, based at least in part on the power parameter, a power characteristics associated with a channel in which the reference signal is provided, wherein the power characteristics is a Reference Signal Received Power (RSRP), and wherein the power parameter is a scaling parameter applied to calculate RSRP using an RSRP calculation function, wherein to determine the power characteristics includes to multiply a parameter estimated on the channel using an antenna port of a channel state information signal (CSI-RS), by the scaling parameter, wherein the scaling parameter is to range from −8 dB to 15 dB, wherein the reference signal is the CSI-RS.

2. The apparatus of claim 1 , wherein the one or more processors are further configured to execute the instructions to determine the power value adjustment that enables the at least one wireless device to calculate the power characteristics, the power value adjustment including one of boosting or de-boosting a power level of the reference signal, or leaving the power level of the reference signal unchanged.

3. The apparatus of claim 2 , wherein the one or more processors are further configured to execute the instructions to determine the power value adjustment based at least in part on a channel quality indication (CQI) report received from the at least one wireless device.

4. The apparatus of claim 1 , wherein the power parameter is provided via a Radio Resource Control (RRC) protocol.

5. The apparatus of claim 1 , wherein the channel in which the reference signal is provided includes a downlink transmission channel.

6. The apparatus of claim 1 , wherein the apparatus comprises one of a subset of transmission points in a Coordinated Multipoint Transmission (CoMP) set.

7. The apparatus of claim 1 , wherein the wireless communication network includes a 3 rd Generation Partnership Project (3GPP) Long Term Evolution (LTE) network.

8. The apparatus of claim 1 , wherein the apparatus comprises a server associated with a wireless communication network and operating in a Coordinated Multipoint Transmission (CoMP) set.

9. The apparatus of claim 1 , wherein the one or more processors are further configured to execute the instructions to transmit the reference signal to other wireless devices, wherein the at least one wireless device is configured to receive the reference signal.

10. An apparatus comprising:
one or more non-transitory computer-readable media comprising instructions; and
one or more processors coupled with the one or more non-transitory computer-readable media and configured to execute the instructions to:
receive a power parameter associated with a channel state information reference signal (CSI-RS) to be provided to at least one wireless device operating on a wireless communication network; and
communicate the power parameter in a data structure including a plurality of parameters corresponding to the CSI-RS to the at least one wireless device, wherein the at least one wireless device is configured to determine, based at least in part on the power parameter and the CSI-RS, a power characteristics associated with a channel in which the CSI-RS is provided, wherein the plurality of parameters includes antenna ports count parameter, resource configuration parameter, and subframe configuration parameter, wherein the power characteristics is a Reference Signal Received Power (RSRP), and wherein the power parameter is a scaling parameter applied to calculate RSRP using an RSRP calculation function, wherein to calculate RSRP includes to multiply a parameter estimated on the channel using an antenna port of the CSI-RS, by the scaling parameter, wherein the scaling parameter is to range from −8 dB to 15 dB, wherein the scaling parameter is to range from −8 dB to 15 dB.

11. The apparatus of claim 10 , wherein the apparatus comprises one of a plurality of transmission points in a Coordinated Multipoint Transmission (CoMP) set.

12. An apparatus comprising:
one or more non-transitory computer-readable media comprising instructions; and
one or more processors coupled with the one or more non-transitory computer-readable media and configured to execute the instructions to:
receive a channel state information reference signal (CSI-RS);
receive a power parameter associated with the CSI-RS in a data structure including a plurality of parameters associated with the CSI-RS, wherein the plurality of parameters includes antenna ports count parameter, resource configuration parameter, and subframe configuration parameter, and the power parameter indicating a power value adjustment associated with the received CSI-RS; and
determine, based at least in part on the power parameter and the CSI-RS, a power characteristics associated with a channel in which the CSI-RS is provided, wherein the power characteristics is a Reference Signal Received Power (RSRP), and wherein the power parameter is a scaling parameter applied to calculate RSRP using an RSRP calculation function, wherein to determine the power characteristics includes to multiply a parameter estimated on the channel using an antenna port of the CSI-RS, by the scaling parameter, wherein the scaling parameter is to range from −8 dB to 15 dB.

13. The apparatus of claim 12 , wherein the apparatus comprises a wireless device operating on a wireless communication network.

14. The apparatus of claim 12 , wherein the one or more processors that are configured to receive the CSI-RS are further configured to receive the CSI-RS from one of a plurality of transmission points in a Coordinated Multipoint Transmission (CoMP) set.

15. The apparatus of claim 12 , wherein the one or more processors that are configured to receive the power parameter associated with the CSI-RS are further configured to execute the instructions to receive the plurality of parameters associated with the CSI-RS, wherein the plurality of parameters is provided via a Radio Resource Control (RRC) protocol.

16. At least one non-transitory computing device-readable storage medium comprising instructions stored thereon wherein the instructions, in response to execution on a computing device, cause the computing device to:
generate a power parameter corresponding to a power value adjustment associated with a reference signal to be provided to at least one wireless device operating on a wireless communication network;
provide the reference signal generated based at least in part on the generated power parameter to the at least one wireless device; and
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Assignees

• Intel Corp

Inventors

• Davydov Alexei Vladimirovich
• Morozov Gregory Vladimirovich
• Maltsev Alexander Alexandrovich
• Bolotin Ilya Alexandrovich
• Sergeyev Vadim Sergeyevich

Classifications

• H04B17/328

  Reference signal received power [RSRP]; Reference signal received quality [RSRQ] · CPC title

• H04W52/26

  using transmission rate or quality of service QoS [Quality of Service] · CPC title

• H04W52/143 Primary

  Downlink power control · CPC title

• H04W24/08 Primary

  Testing, {supervising or monitoring} using real traffic · CPC title

• H04W52/325

  Power control of control or pilot channels · CPC title