METHOD AND APPARATUS FOR OPTIMIZATION OF WIRELESS MULTIPOINT ELECTROMAGNETIC COMMUNICATION NETWORKS

• US 20140206367A1
• Filed: 03/15/2013
• Published: 07/24/2014
• Est. Priority Date: 06/13/2000
• Status: Abandoned Application

• Current Assignee: Comcast Cable Communications LLC (Comcast Corporation)
• Original Assignee: Comcast Cable Communications LLC (Comcast Corporation)
• Inventors: Agee, Brian G., Bromberg, Matthew C.
• Application Number:
  US13/840,949
• Publication Number:
  US 20140206367A1
• Time in Patent Office: Days
• US Class Current: 455/450
• CPC Class Codes: H04B 7/0413 MIMO systems
• CPC Class Codes: H04B 7/0619 using feedback from receiving side feedback signaling for adaptive modulation/coding H04L1/0001
• CPC Class Codes: H04B 7/0695 using beam selection
• CPC Class Codes: H04B 7/10 Polarisation diversity; Directional diversity
• CPC Class Codes: H04W 16/14 Spectrum sharing arrangements between different networks
• CPC Class Codes: H04W 24/02 Arrangements for optimising operational condition
• CPC Class Codes: H04W 28/0236 radio quality, e.g. interference, losses or delay
• CPC Class Codes: H04W 52/241 taking into account channel quality metrics, e.g. SIR, SNR, CIR, Eb/lo
• CPC Class Codes: H04W 52/362 Aspects of the step size
• CPC Class Codes: H04W 52/42 in systems with time, space, frequency or polarisation diversity

Abstract

An apparatus is provided. The apparatus comprises: transceiver hardware that is capable of receiving data utilizing multiple simultaneously-received polarization diverse or spatial diverse channels and includes at least one receiver wireless element that is orthogonal frequency division multiplexing-capable and at least one transmitter wireless element; and circuitry capable of working in association with the transceiver hardware. In operation, the circuitry capable of causing the apparatus to: modulate transmit data; add a cyclic prefix to the transmit data; transmit at least one transmit signal including at least a portion of the transmit data to a node, where the apparatus includes a cellular mobile device and the node includes a cellular base station that is multiple-input-multiple-output capable; allow linkage between the cellular mobile device and the cellular base station utilizing a link; and based on a link quality of the link, allow linkage between the cellular mobile device and another cellular base station utilizing another link.

Claims

1. An apparatus, comprising:

transceiver hardware that is capable of receiving data utilizing multiple simultaneously-received polarization diverse or spatial diverse channels and includes at least one receiver wireless element that is orthogonal frequency division multiplexing-capable and at least one transmitter wireless element; and

circuitry capable of working in association with the transceiver hardware, the circuitry capable of causing the apparatus to;

modulate transmit data;

add a cyclic prefix to the transmit data;

transmit at least one transmit signal including at least a portion of the transmit data to a node, where the apparatus includes a cellular mobile device and the node includes a cellular base station that is multiple-input-multiple-output capable;

allow linkage between the cellular mobile device and the cellular base station utilizing a link; and

based on a link quality of the link, allow linkage between the cellular mobile device and another cellular base station utilizing another link.

2. The apparatus of claim 1, wherein the apparatus is configured such that the link utilizes a first spatial or polarization diversity channel and the another link utilizes a second spatial or polarization diversity channel.

3. The apparatus of claim 1, wherein the apparatus is configured such that the link and the another link utilize different diversity channels.

4. The apparatus of claim 1, wherein the apparatus is configured such that the link and the another link exist simultaneously.

5. The apparatus of claim 1, wherein the apparatus is configured such that the link is replaced by the another link.

6. The apparatus of claim 1, wherein the apparatus is configured such that the linkage between the cellular mobile device and the another cellular base station is allowed, further based on an availability of the another link.

7. The apparatus of claim 1, wherein the apparatus is configured such that the link quality involves a failure.

8. The apparatus of claim 1, wherein the apparatus is configured such that the link quality involves a signal-to-interference-and-noise ratio (SINR).

9. The apparatus of claim 1, wherein the apparatus is configured to perform transmit beamforming.

10. The apparatus of claim 1, wherein the apparatus is configured such that network control or feedback aspects are utilized as part of a signal encoding process and included in a first direction of a signaling or optimization process, based on a perceived environmental condition'"'"'s effect upon signals in a second direction of the signaling or optimization process.

11. The apparatus of claim 1, wherein the apparatus is configured such that network control and feedback aspects are utilized as part of a signal encoding process and included in a first direction of a signaling and optimization process, based on a perceived environmental condition'"'"'s effect upon signals in a second direction of the signaling and optimization process.

12. The apparatus of claim 1, wherein the apparatus is configured for allowing power control based on a target signal-to-interference-and-noise-ratio (SINR) and a power constraint.

13. The apparatus of claim 1, wherein the apparatus is configured for controlling a transmit power level by increasing or decreasing the power level by fixed increments.

14. The apparatus of claim 1, wherein the apparatus is configured for controlling a transmit power level by increasing or decreasing the power level by fixed increments, for reducing an amount of network control information required to be communicated.

15. The apparatus of claim 1, wherein the link to the plurality of multiple-input-capable nodes utilizes feedback for multiple-output minimum mean-square error (MMSE) beam or null steering.

16. The apparatus of claim 15, wherein the beam or null steering includes null steering.

17. An apparatus, comprising:

transceiver hardware that is multiple-input-multiple-output capable and includes at least one transmitter wireless element that is orthogonal frequency division multiplexing-capable and at least one receiver wireless element; and

circuitry capable of working in association with the transceiver hardware, the circuitry capable of causing the apparatus to;

modulate transmit data;

add a cyclic prefix to the transmit data;

transmit at least one transmit signal including at least a portion of the transmit data to a node, wherein the apparatus includes a cellular base station and the node includes a cellular mobile device;

cause linkage between the cellular mobile device and the cellular base station utilizing a link; and

based on a link quality of the link, cause linkage between the cellular mobile device and another cellular base station utilizing another link.

18. The apparatus of claim 17, wherein the apparatus is configured such that the link utilizes a first spatial or polarization diversity channel and the another link utilizes a second spatial or polarization diversity channel.

19. The apparatus of claim 17, wherein the apparatus is configured such that the link and the another link utilize different diversity channels.

20. The apparatus of claim 17, wherein the apparatus is configured such that the link and the another link exist simultaneously.