Systems and methods for adaptation and reconfiguration in a wireless network

Patent metadata

Field	Value
Publication number	US-9326177-B2
Application number	US-201314080061-A
Country	US
Kind code	B2
Filing date	Nov 14, 2013
Priority date	Nov 14, 2012
Publication date	Apr 26, 2016
Grant date	Apr 26, 2016

Abstract

An embodiment method for adaptation and reconfiguration in a wireless network includes base stations coordinating and setting aside a set of time-frequency resources for probing purposes, the base stations coordinating a set of probing transmissions and timings to be used to synchronize base stations/UEs actions, the base stations signaling the resources and timings to UEs, the base stations performing coordinated operations on the resources according to the timings, the base stations receiving feedback reports from UEs based on UE measurements on the signaled resources according to the signaled timings, and the base stations further coordinating the operations for further probing or to apply probing transmissions on broader time-frequency resources.

First claim

What is claimed is:

1. A method of user equipment (UE) operation, the method comprising:
performing, by a UE, a plurality of measurement processes for a plurality of respective network configurations determined in accordance with a change in resources or activities of a network element, the performing comprising, for each measurement process:
receiving, by the UE from a first network controller, a measurement process configuration for the measurement process;
receiving, by the UE from the first network controller, a first measurement resources configuration of configured measurement resources associated with the measurement process;
receiving, by the UE from the first network controller, a first time interval configuration of a configured time interval associated with the measurement process comprising a starting time and a period for use in synchronizing base station and UE actions, wherein using the first time interval configuration to configure multiple time intervals;
receiving, by the UE from the first network controller, a reporting configuration for a report associated with the measurement process;
performing, by the UE, a measurement in accordance with the measurement process configuration using the configured measurement resources within the configured time interval;
generating, by the UE, multiple reports of the measurement in accordance with the measurement process configuration and the reporting configuration, wherein each measurement report is in accordance with a respective measurement over the configured measurement resources within a respective single time interval of the multiple time intervals; and
sending, by the UE, the report to the first network controller in accordance with the reporting configuration; and

receiving, by the UE, data in accordance with a selected network configuration selected in accordance with results of the measurement processes.

2. The method of claim 1 further comprising a second UE:
receiving from a second network controller a second measurement process configuration of a second measurement process;
receiving from the second network controller a second measurement resources configuration of second configured measurement resources associated with the second measurement process;
receiving from the second network a second time interval configuration for the configured time interval associated with the second measurement process; and
receiving from the second network a second reporting configuration for a second report associated with the second measurement process.

3. The method of claim 2 , wherein the first time interval configuration is the same as the second time interval configuration.

4. The method of claim 1 further comprising:
configuring one or more of measurement of a received power of a reference signal (RSRP), measurement of a received quality of a reference signal (RSRQ), measurement of a received power over a set of resource elements, measurement of a channel state information (CSI), and measurement of a signal to interference and noise ratio (SINR), in accordance with the measurement process configuration.

5. The method of claim 1 further comprising:
configuring a first subset of resources in the configured measurement resources associated with measurements of a signal in accordance with the first measurement resources configuration, and configuring a second subset of resources in the configured measurement resources associated with measurements of an interference, or a received total power, in accordance with the first measurement resources configuration.

6. The method of claim 5 further comprising:
performing a reference signal-based measurement in accordance with the measurement process configuration using the first subset of resources within the configured time interval; and
performing an interference measurement in accordance with the measurement process configuration using the second subset of resources within the configured time interval.

7. The method of claim 1 , wherein the first time interval configuration comprises one or more of a starting time, a duration, and an ending time.

8. The method of claim 7 , wherein the starting time is indicated by a starting trigger signal, and the ending time is indicated by an ending trigger signal.

9. The method of claim 7 , wherein the ending time is indicated by a second starting trigger signal, and wherein the second starting trigger signal indicates a restart of the measurement process or a start of a second measurement process.

10. The method of claim 7 , wherein the starting time is indicated by an immediate previous starting time and a signaling indicating a periodicity.

11. The method of claim 1 , wherein the time interval is configured according to a starting time, a periodicity, and an ending time.

12. The method of claim 1 further comprising:
configuring one or more of RSRP reporting, RSRQ reporting, received signal strength indication (RSSI) reporting, CSI reporting, and SINR reporting, in accordance with the reporting configuration.

13. The method of claim 1 further comprising:
using the reporting configuration to configure periodic reporting with reporting timing information or to configure aperiodic reporting with reporting trigger information.

14. The method of claim 1 , wherein the measurement process configuration includes information about the first measurement resources configuration.

15. The method of claim 1 , wherein the reporting configuration includes information about the measurement process configuration, information about the first measurement resources configuration, or both.

16. The method of claim 1 , wherein the first time interval configuration comprises configuration information for multiple concurrent time intervals for multiple concurrent measurement processes.

17. The method of claim 1 , wherein the first measurement resources configuration of configured measurement resources comprises a first frequency interval configuration of a configured frequency interval.

18. The method of claim 17 , wherein the configured frequency interval comprises selected subbands or a number of resource blocks.

19. A method for operating a wireless network, the method comprising:
coordinating and setting aside a set of time-frequency resources for base stations;
performing a plurality of probing processes for a plurality of respective network configurations determined in accordance with a change in resources or activities of a network element, the performing comprising, for each probing process:
coordinating a set of transmissions and timing interval configurations comprising a starting time and a period for use in synchronizing base station and user equipment (UE) actions, wherein using a first timing interval configuration to configure multiple timing intervals;
the base stations signaling the resources and the timings interval configurations to UEs;
the base stations performing coordinated communications with the UEs on the resources according to the timing interval configurations; and
the base stations receiving multiple feedback reports from the UEs about UE measurements on the signaled resources according to the signaled timing interval configurations, wherein each measurement report is in accordance with a respective measurement over the configured measurement resources within a respective single time interval of the multiple time intervals;

selecting a selected network configuration in accordance with results of the probing processes;
the base stations further coordinating

Assignees

• Futurewei Technologies Inc

Inventors

• Liu Jialing
• Xiao Weimin

Classifications

• H04W24/10 Primary

  Scheduling measurement reports {; Arrangements for measurement reports} · CPC title

• H04W84/045

  using private Base Stations, e.g. femto Base Stations, home Node B · CPC title

• Y02B60/50

  Cross-Sectional Technologies · mapped topic