Methods and apparatus for overlapping MIMO physical sectors

• US 9,525,468 B2
• Filed: 11/25/2015
• Issued: 12/20/2016
• Est. Priority Date: 02/28/2006
• Status: Active Grant

• Current Assignee: Woodbury Wireless LLC
• Original Assignee: Woodbury Wireless LLC
• Inventors: Woodbury, Brian C., Spenik, John, Lastinger, Roc
• Primary Examiner(s): Ly, Nghi H
• Application Number:
  US14/952,839
• Publication Number:
  US 20160080047A1
• Time in Patent Office: 391 Days
• Field of Search: 370/338, 370/328, 455/422.1, 455/424, 455/443, 455/452.2
• US Class Current: 1/1
• CPC Class Codes: H04B 17/15 Performance testing
• 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: H04B 7/0413 MIMO systems
• CPC Class Codes: H04B 7/0456 Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
• CPC Class Codes: H04B 7/0495 using overlapping sectors in the same base station to implement MIMO for antennas

Abstract

A apparatus is provided comprising a multiple-input-multiple-output (MIMO)-capable portable wireless device including: a plurality of mobile device directional antennas, at least one mobile device radio in communication with the mobile device directional antennas, and mobile device circuitry in communication with the at least one mobile device radio. The multiple-input-multiple-output (MIMO)-capable portable wireless device is operable for: measuring a first interference in connection with a first transmission point with a multiple-input-multiple-output (MIMO) capability of a single wireless cell configured to operate in a packet-switched cellular network; measuring a second interference in connection with a second transmission point with a multiple-input-multiple-output (MIMO) capability of the single wireless cell; reporting first information that is a function of the first interference; reporting second information that is a function of the second interference; and receiving data in connection with the first transmission.

Claims

1. An apparatus, comprising:

a multiple-input-multiple-output (MIMO)-capable portable wireless device including;

a plurality of mobile device directional antennas,

at least one mobile device radio in communication with the mobile device directional antennas, and

mobile device circuitry in communication with the at least one mobile device radio,

said multiple-input-multiple-output (MIMO)-capable portable wireless device operable for;

measuring a first interference in connection with a first transmission point with a multiple-input-multiple-output (MIMO) capability of a single wireless station configured to operate in a packet-switched cellular network, utilizing at least one of the mobile device directional antennas, the first transmission point with the multiple-input-multiple-output (MIMO) capability including;

a plurality of first directional antennas, at least one first radio in communication with the first directional antennas, and first circuitry in communication with the at least one first radio;

measuring a second interference in connection with a second transmission point with a multiple-input-multiple-output (MIMO) capability of the single wireless station, utilizing at least one of the mobile device directional antennas, the second transmission point with the multiple-input-multiple-output (MIMO) capability including;

a plurality of second directional antennas, at least one second radio in communication with the second directional antennas, and second circuitry in communication with the at least one second radio;

reporting first information that is a function of the first interference, utilizing the at least one mobile device radio and at least one of the mobile device directional antennas;

reporting second information that is a function of the second interference, utilizing the at least one mobile device radio and at least one of the mobile device directional antennas;

where at least one of the first information or the second information is configured for enabling the single wireless station to alter at least one aspect of a first transmission in connection with at least one of;

multiple of the first directional antennas of the first transmission point with the multiple-input-multiple-output (MIMO) capability, or multiple of the second directional antennas of the second transmission point with the multiple-input-multiple-output (MIMO) capability; and

receiving data in connection with the first transmission via at least one of;

the multiple first directional antennas of the first transmission point with the multiple-input-multiple-output (MIMO) capability, or the multiple second directional antennas of the second transmission point with the multiple-input-multiple-output (MIMO) capability.

2. The apparatus of claim 1, wherein the apparatus is operable such that the first directional antennas and the second directional antennas include multiple-input-multiple-output (MIMO) antennas.

3. The apparatus of claim 1, wherein the apparatus is operable such that at least one of the first information or the second information is a function of at least one of:

a data throughput, a signal-to-noise ratio, a reduced signal error, a reduced data error, a reduced retransmission request, an interference, a rejection of multipath signal, a higher transmission rate, or a signal strength, in connection with the multiple-input-multiple-output (MIMO)-capable portable wireless device.

4. The apparatus of claim 1, wherein the apparatus is operable such that at least one of the first information or the second information is a function of at least two of:

a data throughput, a signal-to-noise ratio, a reduced signal error, a reduced data error, a reduced retransmission request, a reduced interference, a rejection of multipath signal, a higher transmission rate, or a signal strength, in connection with the multiple-input-multiple-output (MIMO)-capable portable wireless device.

5. The apparatus of claim 1, wherein the apparatus is operable for communicating with each of the first transmission point with the multiple-input-multiple-output (MIMO) capability and the second transmission point with the multiple-input-multiple-output (MIMO) capability utilizing the same channel but each with at least one different channel characteristic.

6. The apparatus of claim 5, wherein the apparatus is operable such that the at least one different channel characteristic includes at least one of:

a channel characteristic that is throughput-related, a channel characteristic that is signal-to-noise ratio-related, a channel characteristic that is signal strength-related, or a channel characteristic that is multipath signal-related, in connection with the same channel.

7. The apparatus of claim 5, wherein the apparatus is operable such that the at least one different channel characteristic is a function of at least two of:

a channel characteristic related to a throughput-related aspect, a channel characteristic related to a signal-to-noise ratio-related aspect, a channel characteristic related to a signal strength-related aspect, and a channel characteristic related to a multipath signal-related aspect.

8. The apparatus of claim 5, wherein the apparatus is operable such that the at least one different channel characteristic is a function of at least three of:

a channel characteristic that is throughput-related, a channel characteristic that is signal-to-noise ratio-related, a channel characteristic that is signal strength-related, and a channel characteristic that is multipath signal-related.

9. The apparatus of claim 5, wherein the apparatus is operable such that the at least one different channel characteristic is a function of at least four of:

a channel characteristic related to a throughput-related aspect, a channel characteristic related to a signal-to-noise ratio-related aspect, a channel characteristic related to a signal strength-related aspect, and a channel characteristic related to a multipath signal-related aspect, in connection with the same channel.

10. The apparatus of claim 1, wherein the apparatus is operable for receiving the data via both the multiple first directional antennas of the first transmission point with the multiple-input-multiple-output (MIMO) capability and the multiple second directional antennas of the second transmission point with the multiple-input-multiple-output (MIMO) capability in connection with the first transmission to the multiple-input-multiple-output (MIMO)-capable portable wireless device, such that the same data is received in connection with the first transmission by the multiple-input-multiple-output (MIMO)-capable portable wireless device via both the multiple first directional antennas of the first transmission point with the multiple-input-multiple-output (MIMO) capability and the multiple second directional antennas of the second transmission point with the multiple-input-multiple-output (MIMO) capability, utilizing a same channel.

11. The apparatus of claim 1, wherein the apparatus is operable for receiving the data via only one of the multiple first directional antennas of the first transmission point with the multiple-input-multiple-output (MIMO) capability or the multiple second directional antennas of the second transmission point with the multiple-input-multiple-output (MIMO) capability in connection with the first transmission, such that the data is received in connection with the first transmission by the multiple-input-multiple-output (MIMO)-capable portable wireless device via only one of:

the multiple first directional antennas of the first transmission point with the multiple-input-multiple-output (MIMO) capability, or the multiple second directional antennas of the second transmission point with the multiple-input-multiple-output (MIMO) capability, utilizing a single predetermined channel that is utilized regardless as to whether the data is received in connection with the first transmission by the multiple-input-multiple-output (MIMO)-capable portable wireless device via the multiple first directional antennas of the first transmission point with the multiple-input-multiple-output (MIMO) capability or the multiple second directional antennas of the second transmission point with the multiple-input-multiple-output (MIMO) capability.

12. The apparatus of claim 1, wherein the apparatus is operable for coordinating with the single wireless station for receiving the data in connection with a selectively directed beam associated with the first transmission to improve the transmission of the data by addressing interference.

13. The apparatus of claim 1, wherein the apparatus is operable for coordinating with the single wireless station for receiving the data in connection with an altering of beamforming in connection with at least one of:

the multiple first directional antennas of the first transmission point with the multiple-input-multiple-output (MIMO) capability, or the multiple second directional antennas of the second transmission point with the multiple-input-multiple-output (MIMO) capability in connection with the first transmission to the multiple-input-multiple-output (MIMO)-capable portable wireless device.

14. The apparatus of claim 13, wherein the apparatus is operable such that the beamforming involves weighting and the altering is performed to improve the first transmission independent of a handoff.

15. The apparatus of claim 1, wherein at least one of:

said first directional antennas are multiple-input-multiple-output (MIMO) antennas;

said second directional antennas are multiple-input-multiple-output (MIMO) antennas;

said single wireless station includes a single wireless cell;

said single wireless station includes at least one wireless cell;

said first directional antennas and the second directional antennas reduce the effects of noise on transmission and reception;

said first directional antennas exhibit temporal diversity;

said second directional antennas exhibit temporal diversity;

said at least one first radio is in communication with the first directional antennas via at least one switch;

said at least one first radio is in communication with the first directional antennas via at least one phased array;

said at least one first radio includes a single radio that is in communication with the plurality of first directional antennas;

said at least one second radio is in communication with the second directional antennas via at least one switch;

said at least one second radio is in communication with the second directional antennas via at least one phased array;

said at least one second radio includes a single radio that is in communication with the plurality of second directional antennas;

said first transmission point includes a first portion and the second transmission point includes a second portion;

said first transmission point includes a first part and the second transmission point includes a second part;

said first transmission point includes a first group and the second transmission point includes a second group;

said first circuitry includes at least one controller;

said second circuitry includes at least one controller;

said altering includes selecting both the multiple first directional antennas of the first transmission point with the multiple-input-multiple-output (MIMO) capability and the multiple second directional antennas of the second transmission point with the multiple-input-multiple-output (MIMO) capability;

said altering the at least one aspect includes altering the at least one aspect in connection with only the multiple first directional antennas of the first transmission point with the multiple-input-multiple-output (MIMO) capability;

said receiving the data includes receiving the data utilizing the multiple first directional antennas of the first transmission point with the multiple-input-multiple-output (MIMO) capability;

said first directional antennas and the second directional antennas have associated therewith a multiple-input-multiple-output (MIMO) virtual sector including an area where a multiple-input-multiple-output (MIMO) physical sector is to operate;

said first directional antennas and the second directional antennas form multiple-input-multiple-output (MIMO) virtual sectors that are capable of being selected to provide multiple-input-multiple-output (MIMO) physical sectors;

said first directional antennas and the second directional antennas are positioned in fixed positions to form multiple-input-multiple-output (MIMO) virtual sectors that are capable of being selected to communicate using one or more multiple-input-multiple-output (MIMO) physical sectors associated with the multiple-input-multiple-output (MIMO) virtual sectors;

said multiple first directional antennas of the first transmission point with the multiple-input-multiple-output (MIMO) capability include all of the first directional antennas of the first transmission point with the multiple-input-multiple-output (MIMO) capability, the multiple second directional antennas of the second transmission point with the multiple-input-multiple-output (MIMO) capability include all of the second directional antennas of the second transmission point with the multiple-input-multiple-output (MIMO) capability;

or

said multiple-input-multiple-output (MIMO)-capable portable wireless device includes at least one of a mobile device, a client, a computer, or a hand-held device.

16. An apparatus, comprising:

a multiple-input-multiple-output (MIMO)-capable portable wireless device including;

a plurality of mobile device directional antennas,

at least one mobile device radio in communication with the mobile device directional antennas, and

mobile device circuitry in communication with the at least one mobile device radio,

said multiple-input-multiple-output (MIMO)-capable portable wireless device operable for;

measuring a first interference in connection with a first transmission point with a multiple-input-multiple-output (MIMO) capability of a single wireless station configured to operate in a packet-switched cellular network, utilizing at least one of the mobile device directional antennas, the first transmission point with the multiple-input-multiple-output (MIMO) capability including;

a plurality of first directional antennas, at least one first radio in communication with the first directional antennas, and first circuitry in communication with the at least one first radio;

measuring a second interference in connection with a second transmission point with a multiple-input-multiple-output (MIMO) capability of the single wireless station, utilizing at least one of the mobile device directional antennas, the second transmission point with the multiple-input-multiple-output (MIMO) capability including;

a plurality of second directional antennas, at least one second radio in communication with the second directional antennas, and second circuitry in communication with the at least one second radio;

reporting first information that is a function of the first interference, utilizing the at least one mobile device radio and at least one of the mobile device directional antennas;

reporting second information that is a function of the second interference, utilizing the at least one mobile device radio and at least one of the mobile device directional antennas;

where at least one of the first information or the second information is configured for enabling the single wireless station to perform beamforming in connection with at least one of;

multiple of the first directional antennas of the first transmission point with the multiple-input-multiple-output (MIMO) capability, or multiple of the second directional antennas of the second transmission point with the multiple-input-multiple-output (MIMO) capability; and

receiving data via a communication associated with the beamforming in connection with at least one of;

the multiple first directional antennas of the first transmission point with the multiple-input-multiple-output (MIMO) capability, or the multiple second directional antennas of the second transmission point with the multiple-input-multiple-output (MIMO) capability.

17. The apparatus of claim 16, wherein said multiple-input-multiple-output (MIMO)-capable portable wireless device is configured for communicating with the first transmission point with the multiple-input-multiple-output (MIMO) capability and the second transmission point with the multiple-input-multiple-output (MIMO) capability via a same channel but with at least one different channel characteristic that is a function of at least two of:

a channel characteristic that is throughput-related, a channel characteristic that is signal-to-noise ratio-related, a channel characteristic that is signal strength-related, or a channel characteristic that is multipath signal-related.

18. The apparatus of claim 17, wherein the apparatus is operable such that the data is capable of being received utilizing said same channel via either the first transmission point with the multiple-input-multiple-output (MIMO) capability or the second transmission point with the multiple-input-multiple-output (MIMO) capability.

19. An apparatus, comprising:

a multiple-input-multiple-output (MIMO)-capable portable wireless device including;

a plurality of mobile device directional antennas,

at least one mobile device radio in communication with the mobile device directional antennas, and

mobile device circuitry in communication with the at least one mobile device radio,

said multiple-input-multiple-output (MIMO)-capable portable wireless device operable for;

measuring a first interference in connection with a first transmission point with a multiple-input-multiple-output (MIMO) capability of a single wireless station configured to operate in a packet-switched cellular network, utilizing at least one of the mobile device directional antennas, the first transmission point with the multiple-input-multiple-output (MIMO) capability including;

a plurality of first directional antennas, at least one first radio in communication with the first directional antennas, and first circuitry in communication with the at least one first radio;

measuring a second interference in connection with a second transmission point with a multiple-input-multiple-output (MIMO) capability of the single wireless station, utilizing at least one of the mobile device directional antennas, the second transmission point with the multiple-input-multiple-output (MIMO) capability including;

a plurality of second directional antennas, at least one second radio in communication with the second directional antennas, and second circuitry in communication with the at least one second radio;

reporting first information that is a function of the first interference, utilizing the at least one mobile device radio and at least one of the mobile device directional antennas;

reporting second information that is a function of the second interference, utilizing the at least one mobile device radio and at least one of the mobile device directional antennas;

where at least one of the first information or the second information is configured for allowing the single wireless station to coordinate utilization of at least one of;

multiple of the first directional antennas of the first transmission point with the multiple-input-multiple-output (MIMO) capability, or multiple of the second directional antennas of the second transmission point with the multiple-input-multiple-output (MIMO) capability; and

receiving data in connection with a first transmission from the single wireless station utilizing at least one of;

the multiple first directional antennas of the first transmission point with the multiple-input-multiple-output (MIMO) capability, or the multiple second directional antennas of the second transmission point with the multiple-input-multiple-output (MIMO) capability.

20. The apparatus of claim 19, wherein the apparatus is configured such that a channel between the first transmission point and the multiple-input-multiple-output (MIMO)-capable portable wireless device differs from another channel between the second transmission point and the multiple-input-multiple-output (MIMO)-capable portable wireless device in terms of at least one channel characteristic that includes at least one of:

a channel characteristic that is throughput-related, a channel characteristic that is signal-to-noise ratio-related, a channel characteristic that is signal strength-related, or a channel characteristic that is multipath signal-related.