Method and apparatus for real-time monitoring and field adjustment

• US 10,523,252 B2
• Filed: 03/30/2018
• Issued: 12/31/2019
• Est. Priority Date: 04/05/2017
• Status: Active Grant

• Current Assignee: ISCO International Inc.
• Original Assignee: ISCO International LLC
• Inventors: Goodman, Igor, Abdelmonem, Amr
• Primary Examiner(s): Rampuria, Sharad
• Application Number:
  US15/942,066
• Publication Number:
  US 20180294903A1
• Time in Patent Office: 641 Days
• CPC Class Codes: H04B 1/1036 with automatic suppression of narrow band noise or interference, e.g. by using tuneable notch filters H04B1/123 takes precedence; filter circuits H03H
• CPC Class Codes: H04B 1/7097 Interference-related aspects
• CPC Class Codes: H04B 10/25 Arrangements specific to fibre transmission
• CPC Class Codes: H04B 17/309 Measuring or estimating channel quality parameters
• CPC Class Codes: H04B 17/336 Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
• CPC Class Codes: H04B 17/345 Interference values signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR] H04B17/336
• CPC Class Codes: H04B 2001/1045 Adjacent-channel interference
• CPC Class Codes: H04B 2001/1054 by changing bandwidth
• CPC Class Codes: H04B 2001/1072 by tuning the receiver frequency
• CPC Class Codes: H04B 2201/70728 Frequency aspects
• CPC Class Codes: H04J 11/0023 Interference mitigation or co-ordination direct sequence spread spectrum [DSSS] systems H04B1/7097; frequency hopping H04B1/713; allocation criteria for ingress interference avoidance H04L5/0062; frequency allocation criteria for requirements on out-of-channel emissions H04L5/0066; arrangements for removing intersymbol interference or baseband equalisers H04L25/03006; peak power aspects in multicarrier modulation H04L27/2614; power management H04W52/00; traffic scheduling H04W72/54, H04W72/541
• CPC Class Codes: H04J 11/005 of intercell interference
• CPC Class Codes: H04J 11/0056 Inter-base station aspects
• CPC Class Codes: H04J 13/00 Code division multiplex systems for frequency hopping H04B1/713
• CPC Class Codes: H04L 1/0021 in which the algorithm uses adaptive thresholds
• CPC Class Codes: H04L 1/0026 Transmission of channel quality indication
• CPC Class Codes: H04L 1/242 by comparing a transmitted test signal with a locally generated replica
• CPC Class Codes: H04L 41/0823 characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability for optimising operational conditions of wireless networks H04W24/02
• CPC Class Codes: H04L 41/12 Discovery or management of network topologies
• CPC Class Codes: H04L 43/0829 Packet loss
• CPC Class Codes: H04L 43/0852 : Delays
• CPC Class Codes: H04L 43/16 : Threshold monitoring
• CPC Class Codes: H04L 43/50 : Testing arrangements
• CPC Class Codes: H04L 45/22 : Alternate routing
• CPC Class Codes: H04L 45/243 : using M+N parallel active paths
• CPC Class Codes: H04L 45/28 : using route fault recovery
• CPC Class Codes: H04L 5/001 : the frequencies being arranged in component carriers
• CPC Class Codes: H04L 5/0053 : Allocation of signaling, i.e. of overhead other than pilot signals
• CPC Class Codes: H04L 5/006 : Quality of the received signal, e.g. BER, SNR, water filling
• CPC Class Codes: H04L 5/0073 : Allocation arrangements that take into account other cell interferences for intercell interference mitigation or co-ordination in orthogonal multiplex systems H04J11/005
• CPC Class Codes: H04L 5/0082 : at predetermined intervals
• CPC Class Codes: H04L 69/323 : in the physical layer [OSI layer 1]
• CPC Class Codes: H04W 16/32 : Hierarchical cell structures
• CPC Class Codes: H04W 24/02 : Arrangements for optimising operational condition
• CPC Class Codes: H04W 24/06 : Testing, supervising or monitoring using simulated traffic
• CPC Class Codes: H04W 24/08 : Testing, supervising or monitoring using real traffic
• CPC Class Codes: H04W 24/10 : Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 28/0236 : radio quality, e.g. interference, losses or delay
• CPC Class Codes: H04W 28/04 : Error control
• CPC Class Codes: H04W 36/08 : Reselecting an access point
• CPC Class Codes: H04W 36/20 : for optimising the interference level
• CPC Class Codes: H04W 40/02 : Communication route or path selection, e.g. power-based or shortest path routing
• CPC Class Codes: H04W 40/12 : based on transmission quality or channel quality
• CPC Class Codes: H04W 52/241 : taking into account channel quality metrics, e.g. SIR, SNR, CIR, Eb/lo
• CPC Class Codes: H04W 72/044 : based on the type of the allocated resource
• CPC Class Codes: H04W 72/0453 : Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 72/29 : between an access point and the access point controlling device
• CPC Class Codes: H04W 72/51 : based on terminal or device properties
• CPC Class Codes: H04W 72/541 : using the level of interference
• CPC Class Codes: H04W 72/542 : using measured or perceived quality
• CPC Class Codes: H04W 88/08 : Access point devices
• CPC Class Codes: H04W 88/085 : Access point devices with remote components
• CPC Class Codes: H04W 92/20 : between access points
• CPC Class Codes: Y02D 30/70 : in wireless communication networks

Abstract

A system that incorporates aspects of the subject disclosure may perform operations including, for example, obtaining uplink information associated with a downlink path, wherein the uplink information includes operational parameters used by a plurality of communication devices for transmitting wireless signals on a plurality of uplink paths; performing, based on the uplink information, a plurality of measurements of the plurality of uplink paths; identifying a measurement from the plurality of measurements that is below a threshold, thereby indicating an affected uplink path of the plurality of uplink paths; initiating a first filtering of the affected uplink path, wherein the initiating is based on the identifying and wherein the first filtering is based upon one or more first filtering parameters; and receiving instructions comprising one or more updated filtering parameters, wherein the instructions are received by the system at a port of the system. Other embodiments are disclosed.

Claims

1. A method, comprising:

obtaining, by a system comprising a processor, uplink information associated with a plurality of communication devices transmitting wireless signals on a plurality of uplink paths;

receiving, by the system, via a plurality of fiber optic cables in data communication with the processor, the plurality of uplink paths from a plurality of remote radio units, wherein the plurality of uplink paths conform to a common public radio interface (CPRI) protocol;

performing, by the system, based on the uplink information, a plurality of measurements of the plurality of uplink paths;

identifying, by the system, a first measurement from the plurality of measurements that fails to meet a threshold, wherein the first measurement is associated with an affected uplink path of the plurality of uplink paths;

initiating, by the system, conditioning of the affected uplink path, wherein the initiating the conditioning comprises initiating a first filtering of the affected uplink path, wherein the initiating of the first filtering is responsive to the first measurement failing to meet the threshold and wherein the first filtering is based upon one or more first filtering parameters;

receiving, by the system, an instruction comprising one or more updated filtering parameters, wherein the instruction is received by the system at a port of the system, wherein the port is in data communication with the processor; and

providing, by the system, a respective spectral analysis of each of the plurality of uplink paths, including the affected uplink path, wherein each respective spectral analysis is provided by the port.

2. The method of claim 1, wherein the instruction is a user generated instruction from a computing device that is connected to the port.

3. The method of claim 2, wherein the computing device is connected to the port via a network.

4. The method of claim 3, wherein the computing device is remotely connected to the port.

5. The method of claim 4, wherein the computing device displays imaging information corresponding to one or more of the spectral analyses.

6. The method of claim 2, further comprising providing by the system, via the port, an indication of each of the one or more first filtering parameters, wherein each indication is provided by the system prior to receiving of the instruction by the system.

7. The method of claim 6, wherein each indication is provided to the computing device for display by the computing device.

8. The method of claim 1, further comprising initiating, by the system, a second filtering of the affected uplink path, wherein the second filtering is performed after the first filtering and the second filtering utilizes the one or more updated filtering parameters.

9. The method of claim 8, wherein the second filtering improves upon the first filtering.

10. The method of claim 9, wherein:

a second measurement associated with the affected uplink path is made after the first filtering and before the second filtering;

a third measurement associated with the affected uplink path is made after the second filtering; and

the second filtering improving on the first filtering comprises causing the third measurement to improve upon the second measurement.

11. The method of claim 10, wherein:

the failing to meet the threshold comprises the first measurement being below the threshold; and

the causing the third measurement to improve upon the second measurement comprises causing the third measurement to be greater than the second measurement.

12. The method of claim 1, wherein at least one of the one or more updated filtering parameters replaces at least one of the first filtering parameters.

13. The method of claim 1, wherein at least one of the one or more updated filtering parameters supplements the one or more first filtering parameters.

14. A system, comprising:

a processor; and

a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, the operations comprising;

obtaining uplink information associated with a downlink path, wherein the uplink information includes operational parameters used by a plurality of communication devices for transmitting wireless signals on a plurality of uplink paths;

performing, based on the uplink information, a plurality of measurements of the plurality of uplink paths via a plurality of fiber optic cables in data communication between the processor and a plurality of remote radio units, wherein the plurality of uplink paths conform to a common public radio interface (CPRI) protocol;

identifying a measurement from the plurality of measurements that is below a threshold, thereby indicating an affected uplink path of the plurality of uplink paths;

initiating conditioning of the affected uplink path, wherein the initiating the conditioning comprises initiating a first filtering of the affected uplink path, wherein the initiating of the first filtering is based on the identifying and wherein the first filtering is based upon one or more first filtering parameters; and

receiving an instruction comprising one or more updated filtering parameters, wherein the instruction is received by the system at a port of the system, wherein the port is in data communication with the processor.

15. The system of claim 14, wherein the instruction is a user generated instruction from a computing device that is connected to the port.

16. The system of claim 14, wherein:

the operations further comprise initiating a second filtering of the affected uplink path;

the second filtering is performed after the first filtering and the second filtering utilizes the one or more updated filtering parameters;

the second filtering improves upon the first filtering;

a second measurement that is associated with the affected uplink path is made after the first filtering and before the second filtering;

a third measurement that is associated with the affected uplink path is made after the second filtering; and

the second filtering improving upon the first filtering comprises causing the third measurement to improve upon the second measurement.

17. The system of claim 14, wherein:

the wireless signals comprise a plurality of frequency bands; and

the plurality of measurements comprises a plurality of Signal to Interference plus Noise Ratio (SINR) measurements.

18. A non-transitory, machine-readable storage medium, comprising executable instructions that, when executed by a processor of a system, facilitate performance of operations, the operations comprising:

performing, based on uplink information, a plurality of measurements of a plurality of uplink paths received via a plurality of fiber optic cables in data communication between the processor and a plurality of remote radio units, wherein the plurality of uplink paths conform to a common public radio interface (CPRI) protocol, wherein the uplink information is associated with downlink instructions supplied to a plurality of communication devices to facilitate transmission of wireless signals on the plurality of uplink paths;

identifying an affected uplink path of the plurality of uplink paths from a measurement from the plurality of measurements that is below a threshold;

responsive to the identifying, initiating conditioning of the affected uplink path, wherein the initiating the conditioning comprises initiating a first filtering of the affected uplink path, wherein the first filtering is based upon one or more first filtering parameters; and

receiving an instruction comprising one or more updated filtering parameters, wherein the instruction is received by the system at a port of the system, wherein the port is in data communication with the processor.

19. The non-transitory, machine-readable storage medium of claim 18, wherein:

the instruction is a user generated instruction from a computing device that is connected to the port;

the operations further comprise initiating a second filtering of the affected uplink path;

the second filtering is performed after the first filtering and the second filtering utilizes the one or more updated filtering parameters;

the second filtering improves upon the first filtering;

a second measurement that is associated with the affected uplink path is made after the first filtering and before the second filtering;

a third measurement that is associated with the affected uplink path is made after the second filtering; and

the second filtering improving on the first filtering comprises causing the third measurement to improve upon the second measurement.

20. The non-transitory, machine-readable storage medium of claim 18, wherein the operations further comprise:

providing a respective spectral analysis of each of the plurality of uplink paths, including the affected uplink path, wherein each respective spectral analysis is provided to the port by the system.