Method for implementing antenna cloud node communication in indoor high-density network and system thereof

• US 10,638,329 B2
• Filed: 12/02/2016
• Issued: 04/28/2020
• Est. Priority Date: 05/06/2016
• Status: Active Grant

• Current Assignee: Huizhou TCL Mobile Communication Company Limited (TCL Technology Group Corp.)
• Original Assignee: Huizhou TCL Mobile Communication Company Limited (TCL Technology Group Corp.)
• Inventors: Tang, Yanbo
• Primary Examiner(s): Cho, Un C
• Assistant Examiner(s): Cehic, Kenan
• Application Number:
  US15/541,485
• Publication Number:
  US 20180213410A1
• Time in Patent Office: 1,243 Days
• CPC Class Codes: H04B 7/024 Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
• CPC Class Codes: H04L 67/10 in which an application is distributed across nodes in the network software deployment G06F8/60; multiprogramming arrangements G06F9/46
• CPC Class Codes: H04W 16/20 for indoor coverage or short range network deployment
• CPC Class Codes: H04W 16/28 using beam steering
• CPC Class Codes: H04W 24/02 Arrangements for optimising operational condition
• CPC Class Codes: H04W 36/087 between radio units of access points
• CPC Class Codes: H04W 72/21 in the uplink direction of a wireless link, i.e. towards the network
• CPC Class Codes: H04W 72/541 using the level of interference
• CPC Class Codes: H04W 88/085 Access point devices with remote components
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

A method for implementing an antenna cloud node communication in an indoor high-density network and system thereof are described. When a plurality of mRRHs detect uplink signals of the user equipments and a signal-to-interference noise ratio of each uplink signal is greater than or equal to a signal-to-interference noise ratio threshold, the mRRH coverage area information corresponding to the position of the user equipment is acquired according to the numbers of the mRRHs. The mRRH coverage area information corresponding to the position of the user equipment is configured to establish an antenna cloud node cluster, represented by a matrix, and the user equipments make communication each other by using the antenna cloud node cluster.

Claims

1. A method for implementing an antenna cloud node communication in an indoor high-density network;

comprising the steps of;

transmitting, by a user equipment, an uplink signal to allow a plurality of micro power remote radio heads (mRRHs) to detect the uplink signal of the user equipment;

acquiring, by a baseband processing unit, a mRRH coverage area information corresponding to a position of the user equipment according to a plurality of the numbers of the mRRHs when each mRRH identifies the uplink signal of the user equipment and a signal-to-interference noise ratio of each uplink signal is either greater than or equal to a signal-to-interference noise ratio threshold;

establishing an antenna cloud node cluster, represented by a matrix;

according to the mRRH coverage area information corresponding to the position of the user equipment, and making, by the user equipment, communication using the antenna cloud node cluster; and

continuously detecting, by each mRRH, the uplink signal of the user equipment, when a movement of the user equipment is identified and the signal-to-interference noise ratio corresponding to the detected uplink signal of one mRRH in the antenna cloud node cluster is less than the signal-to-interference noise ratio threshold.

2. The method for implementing the antenna cloud node communication in the indoor high-density network of claim 1, wherein the step of acquiring, by the baseband processing unit, the mRRH coverage area information corresponding to the position of the user equipment according to the numbers of the mRRHs when each mRRH identities the uplink signal of the user equipment and the signal-to-interference noise ratio of each uplink signal is either greater than or equal to the signal-to-interference noise ratio threshold further comprises:

detecting, by the mRRHs, the uplink signal in real-time, wherein when the mRRHs identify the uplink signal of the user equipment, each mRRH correspondingly sends an in-phase and quadrature signal to the baseband processing unit;

acquiring, by the baseband processing unit, the in-phase and quadrature signal of which the signal-to-interference noise ratio is greater than the signal-to-interference noise ratio threshold, based on each in-phase and quadrature signal of each mRRH; and

acquiring the mRRH coverage area information according to the numbers of the mRRHs corresponding to the in-phase and quadrature signals which comprises the signal-to-interference noise ratio greater than or equal to the signal-to-interference noise ratio threshold.

3. The method for implementing the antenna cloud node communication in the indoor high-density network of claim 2, wherein during the step of acquiring the mRRH coverage area information according to the numbers of the mRRHs corresponding to the in-phase and quadrature signals which comprises the signal-to-interference noise ratio greater than or equal to the signal-to-interference noise ratio threshold, one mRRH having a maximum signal-to-interference noise ratio is defined as a master node, and the remaining mRRHs are defined as slave nodes.

4. The method for implementing the antenna cloud node communication in the indoor high-density network of claim 2, wherein the step of establishing an antenna cloud node cluster, represented by a matrix, according to the mRRH coverage area information corresponding to the position of the user equipment, and making, by the user equipment, communication using the antenna cloud node cluster further comprises:

generating the mRRH coverage area information according to the position of the user equipment, wherein the mRRH coverage area information is composed of the numbers of the mRRHs;

establishing the antenna cloud node cluster, represented by the matrix, by assigning the numbers of the mRRHs as nodes; and

making, by the user equipment, communication using the antenna cloud node cluster.

5. The method for implementing the antenna cloud node communication in the indoor high-density network of claim 4, wherein the step of establishing the antenna cloud node cluster, represented by the matrix, by assigning the numbers of the mRRHs as nodes further comprises:

assigning the numbers of the mRRHs as the nodes wherein a portion of nodes corresponding to the signal-to-interference noise ratio of the uplink signal which is greater than or equal to the signal-to-interference noise ratio threshold are quantized to 1, and another portion of nodes corresponding to the signal-to-interference noise ratio of the uplink signal which is less than to the signal-to-interference noise ratio threshold are quantized to 0, for generating the matrix of the antenna cloud node cluster.

6. The method for implementing the antenna cloud node communication in the indoor high-density network of claim 1, wherein the step of continuously detecting, by each mRRH, the uplink signal of the user equipment, when the movement of the user equipment is identified and the signal-to-interference noise ratio corresponding to the detected uplink signal of one mRRH in the antenna cloud node cluster is less than the signal-to-interference noise ratio threshold further comprises:

detecting the movement of the user equipment;

when the movement of the user equipment is identified, determining whether the signal-to-interference noise ratio corresponding to the uplink signal of the mRRH is less than the signal-to-interference noise ratio threshold in the antenna cloud node cluster or not; and

continuously detecting, by each mRRH, the uplink signal of the user equipment for updating the matrix corresponding to the antenna cloud node cluster if the signal-to-interference noise ratio corresponding to the uplink signal of the mRRH is less than the signal-to-interference noise ratio threshold in the antenna cloud node cluster.

7. A method for implementing an antenna cloud node communication in an indoor high-density network, comprising the steps of:

(A) acquiring, by a baseband processing unit, a mRRH coverage area information corresponding to a position of the user equipment according to a plurality of the numbers of the mRRHs when each mRRH identifies the uplink signal of the user equipment and a signal-to-interference noise ratio of each uplink signal is either greater than or equal to a signal-to-interference noise ratio threshold; and

(B) establishing an antenna cloud node cluster, represented by a matrix, according to the mRRH coverage area information corresponding to the position of the user equipment, and making, by the user equipment, communication using the antenna cloud node cluster;

(C) continuously detecting, by each mRRH, the uplink signal of the user equipment in the step (A), when a movement of the user equipment is identified and the signal-to-interference noise ratio corresponding to the detected uplink signal of one mRRH in the antenna cloud node cluster is less than the signal-to-interference noise ratio threshold.

8. The method for implementing the antenna cloud node communication in the indoor high-density network of claim 7, wherein the step (A) further comprises:

(A1) transmitting, by a user equipment, an uplink signal;

(A2) detecting, by the mRRHs, the uplink signal in real-time, wherein when the mRRHs identify the uplink signal of the user equipment, each mRRH correspondingly sends an in-phase and quadrature signal to the baseband processing unit;

(A3) acquiring, by the baseband processing unit, the in-phase and quadrature signal of which the signal-to-interference noise ratio is greater than the signal-to-interference noise ratio threshold, based on each in-phase and quadrature signal of each mRRH; and

(A4) acquiring the mRRH coverage area information according to the numbers of the mRRHs corresponding to the in-phase and quadrature signals which comprises the signal-to-interference noise ratio greater than or equal to the signal-to-interference noise ratio threshold.

9. The method for implementing the antenna cloud node communication in the indoor high-density network of claim 8, wherein during the step (A4) of acquiring the mRRH coverage area information according to the numbers of the mRRHs corresponding to the in-phase and quadrature signals which comprises the signal-to-interference noise ratio greater than or equal to the signal-to-interference noise ratio threshold, one mRRH having a maximum signal-to-interference noise ratio is defined as a master node, and the remaining mRRHs are defined as slave nodes.

10. The method for implementing the antenna cloud node communication in the indoor high-density network of claim 8, wherein the step (B) further comprises:

(B1) generating the mRRH coverage area information according to the position of the user equipment, wherein the mRRH coverage area information is composed of the numbers of the mRRHs;

(B2) establishing the antenna cloud node cluster, represented by the matrix, by assigning the numbers of the mRRHs as nodes; and

(B3) making, by the user equipment, communication using the antenna cloud node cluster.

11. The method for implementing the antenna cloud node communication in the indoor high-density network of claim 10, wherein the step (B2) further comprises:

assigning the numbers of the mRRHs as the nodes wherein a portion of nodes corresponding to the signal-to-interference noise ratio of the uplink signal which is greater than or equal to the signal-to-interference noise ratio threshold are quantized to 1, and another portion of nodes corresponding to the signal-to-interference noise ratio of the uplink signal which is less than to the signal-to-interference noise ratio threshold are quantized to 0, for generating the matrix of the antenna cloud node cluster.

12. The method for implementing the antenna cloud node communication in the indoor high-density network of claim 7, wherein the step (C) further comprises:

(C1) detecting the movement of the user equipment;

(C2) when the movement of the user equipment is identified;

determining whether the signal-to-interference noise ratio corresponding to the uplink signal of the mRRH is less than the signal-to-interference noise ratio threshold in the antenna cloud node cluster or not; and

(C3) continuously detecting, by each mRRH, the uplink signal of the user equipment in the step (A) for updating the matrix corresponding to the antenna cloud node cluster if the signal-to-interference noise ratio corresponding to the uplink signal of the mRRH is less than the signal-to-interference noise ratio threshold in the antenna cloud node cluster.

13. A system for implementing an antenna cloud node communication in an indoor high-density network wherein the system comprises a storage medium for storing program instructions thereon and a processor connected to the storage medium, wherein the processor is configured to execute steps comprising:

acquiring, by a baseband processing unit, a mRRH coverage area information corresponding to a position of the user equipment according to a plurality of the numbers of the mRRHs when each mRRH identifies the uplink signal of the user equipment and a signal-to-interference noise ratio of each uplink signal is either greater than or equal to a signal-to-interference noise ratio threshold; and

establishing an antenna cloud node cluster, represented by a matrix, according to the mRRH coverage area information corresponding to the position of the user equipment, and making, by the user equipment, communication using the antenna cloud node cluster.

14. The system for implementing the antenna cloud node communication in the indoor high-density network of claim 13, wherein the steps executed by the processor further comprises:

transmitting, by a user equipment, an uplink signal.

15. The system for implementing the antenna cloud node communication in the indoor high-density network of claim 14, wherein the steps executed by the processor further comprises:

detecting, by the mRRHs, the uplink signal in real-time, wherein when the mRRHs identify the uplink signal of the user equipment, each mRRH correspondingly sends an in-phase and quadrature signal to the baseband processing unit;

acquiring, by the baseband processing unit, the in-phase and quadrature signal of which the signal-to-interference noise ratio is greater than the signal-to-interference noise ratio threshold, based on each in-phase and quadrature signal of each mRRH; and

acquiring the mRRH coverage area information according to the numbers of the mRRHs corresponding to the in-phase and quadrature signals which comprises the signal-to-interference noise ratio greater than or equal to the signal-to-interference noise ratio threshold.

16. The system for implementing the antenna cloud node communication in the indoor high-density network of claim 15, wherein when the mRRH coverage area information is acquired according to the numbers of the mRRHs corresponding to the in-phase and quadrature signals which comprises the signal-to-interference noise ratio greater than or equal to the signal-to-interference noise ratio threshold, one mRRH having a maximum signal-to-interference noise ratio is defined as a master node, and the remaining mRRHs are defined as slave nodes.

17. The system for implementing the antenna cloud node communication in the indoor high-density network of claim 16, the steps executed by processor further comprises:

enabling acquiring of the mRRH coverage area information when a movement of the user equipment is identified and the signal-to-interference noise ratio corresponding to the detected uplink signal of one mRRH in the antenna cloud node cluster is less than the signal-to-interference noise ratio threshold.

18. The system for implementing the antenna cloud node communication in the indoor high-density network of claim 15, wherein the steps executed by the processor further comprises:

generating the mRRH coverage area information according to the position of the user equipment, wherein the mRRH coverage area information is composed of the numbers of the mRRHs;

establishing the antenna cloud node cluster, represented by the matrix, by assigning the numbers of the mRRHs as nodes; and

establishing communication using the antenna cloud node cluster.

19. The system for implementing the antenna cloud node communication in the indoor high-density network of claim 18, wherein the steps executed by the processor further comprises:

assigning the numbers of the mRRHs as the nodes wherein a portion of nodes corresponding to the signal-to-interference noise ratio of the uplink signal which is greater than or equal to the signal-to-interference noise ratio threshold are quantized to 1, and another portion of nodes corresponding to the signal-to-interference noise ratio of the uplink signal which is less than to the signal-to-interference noise ratio threshold are quantized to 0, for generating the matrix of the antenna cloud node cluster.