Method and apparatus for multiplexing in a wireless communication infrastructure
First Claim
Patent Images
1. A network, comprising:
- a plurality of antennas optically coupled over the network to a plurality of base transceiver stations, the base transceiver stations configured to provide cellular transmission;
a plurality of links that couple the plurality of antennas and the plurality of base transceiver stations, at least one multiple transmission path link of the plurality of links providing multiple transmission paths between at least a portion of the base transceiver stations with at least a portion of the antennas, at least a portion of the plurality of links providing optical multiplexing of multiple operators;
at least one optical add/drop multiplexer (OADM) coupled to the at least one multiple transmission path link, the OADM capable of selecting at least one wavelength transmitted on the at least one multiple transmission link, while passing other wavelengths; and
wherein one of the transmission paths between one of the base transceiver stations and one of the antennas passes through the OADM prior to reaching the one of the antennas.
5 Assignments
0 Petitions
Accused Products
Abstract
A network is provided that includes a plurality of antennas coupled over the network to a plurality of base stations. The network can be optical or constructed with RF microwave links. The base stations are configured to provide cellular transmission. A plurality of links couple the plurality of antennas and the plurality of base stations. At least one link of the plurality of links provides multiple transmission paths between at least a portion of the base stations with at least a portion of the antennas.
-
Citations
81 Claims
-
1. A network, comprising:
-
a plurality of antennas optically coupled over the network to a plurality of base transceiver stations, the base transceiver stations configured to provide cellular transmission;
a plurality of links that couple the plurality of antennas and the plurality of base transceiver stations, at least one multiple transmission path link of the plurality of links providing multiple transmission paths between at least a portion of the base transceiver stations with at least a portion of the antennas, at least a portion of the plurality of links providing optical multiplexing of multiple operators;
at least one optical add/drop multiplexer (OADM) coupled to the at least one multiple transmission path link, the OADM capable of selecting at least one wavelength transmitted on the at least one multiple transmission link, while passing other wavelengths; and
wherein one of the transmission paths between one of the base transceiver stations and one of the antennas passes through the OADM prior to reaching the one of the antennas. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
-
-
29. A network, comprising:
-
a plurality of antennas coupled over the network to a plurality of base transceiver stations, the base transceiver stations configured to provide cellular transmission;
a plurality of links that couple the plurality of antennas and the plurality of base transceiver stations, at least one link of the plurality of links configured to permit multiple operators to use the at least one link at the same time, at least one link of the plurality of links providing multiple transmission paths between at least a portion of the base transceiver stations with at least a portion of the antennas, at least a portion of the plurality of links providing optical multiplexing of multiple operators;
at least one optical add/drop multiplexer (OADM) coupled by one of the links to one of the antennas, the OADM capable of selecting at least one wavelength transmitted on the link, while passing other wavelengths; and
wherein one of the transmission paths between one of the base transceiver stations and one of the antennas passes through the OADM prior to reaching the one of the antennas. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36)
-
-
37. A network, comprising:
-
a plurality of antennas optically coupled over the network to a plurality of base transceiver stations, the base transceiver stations configured to provide cellular transmission;
a plurality of optical fiber links that couple the plurality of antennas and the plurality of base transceiver stations, at least one link of the plurality of optical fiber links configured to permit multiple operators to use the at least one link at the same time, at least one link of the plurality of optical fiber links providing multiple transmission paths between at least a portion of the base transceiver stations with at least a portion of the antennas, at least a portion of the plurality of links providing optical multiplexing of multiple operators;
at least one optical add/drop multiplexer (OADM) coupled by one of the links to one of the antennas, the OADM capable of selecting at least one wavelength transmitted on the link, while passing other wavelengths; and
wherein one of the transmission paths between one of the base transceiver stations and one of the antennas passes through the OADM prior to reaching the one of the antennas. - View Dependent Claims (38)
-
-
39. A network, comprising:
-
a plurality of antennas optically coupled over the network to a plurality of base transceiver stations, the base transceiver stations configured to provide cellular transmission;
a plurality of optical fiber links that couple the plurality of antennas and the plurality of base transceiver stations, at least one link of the plurality of links providing multiple transmission paths over at least two optical wavelengths between at least a portion of the base transceiver stations with at least a portion of the antennas, at least a portion of the plurality of links providing optical multiplexing of multiple operators;
at least one optical add/drop multiplexer (OADM) coupled by one of the links to one of the antennas, the OADM capable of selecting at least one wavelength transmitted on the link, while passing other wavelengths; and
wherein one of the transmission paths between one of the base transceiver stations and one of the antennas passes through the OADM prior to reaching the one of the antennas. - View Dependent Claims (40, 41, 42, 43)
-
-
44. A network, comprising:
-
a plurality of antennas optically coupled over the network to a plurality of base transceiver stations, the base transceiver stations configured to provide cellular transmission;
a plurality of free space optical links that couple the plurality of antennas and the plurality of base transceiver stations, at least a portion of the plurality of free space optical links providing optical multiplexing of multiple operators;
at least one free space optical link of the plurality of free space optical links providing multiple transmission paths over at least two optical wavelengths between at least a portion of the base transceiver stations with at least a portion of the antennas;
at least one optical add/drop multiplexer (OADM) coupled by one of the links to one of the antennas, the OADM capable of selecting at least one wavelength transmitted on the link, while passing other wavelengths; and
wherein one of the transmission paths between one of the base transceiver stations and one of the antennas passes through the OADM prior to reaching the one of the antennas. - View Dependent Claims (45, 46, 47, 48)
-
-
49. A network, comprising:
-
a plurality of antennas optically coupled over the network to a plurality of base transceiver stations, the base transceiver stations configured to provide cellular transmission;
a plurality of free space links that couple the plurality of antennas and the plurality of base transceiver stations, at least a portion of the plurality of free space links providing optical multiplexing of multiple operators, at least one free space link of the plurality of free space links providing multiple transmission paths between at least a portion of the base transceiver stations with at least a portion of the antennas, at least one base transceiver station or antenna location being geographically remote from the network and is connected to the network with a free space link;
at least one optical add/drop multiplexer (OADM) coupled by one of the links to one of the antennas, the OADM capable of selecting at least one wavelength transmitted on the link, while passing other wavelengths; and
wherein one of the transmission paths between one of the base transceiver stations and one of the antennas passes through the OADM prior to reaching the one of the antennas. - View Dependent Claims (50, 51, 52, 53)
-
-
54. A method of transmission, comprising:
-
providing a network with a plurality of optical links that couple a plurality of antennas with a plurality of base transceiver stations, the network including at least one optical add/drop multiplexer (OADM) coupled by one of the optical links to one of the antennas;
providing multiple transmission paths between at least a portion of the base transceiver stations with at least a portion of the antennas;
using the OADM to select at least one wavelength transmitted on the optical link, while passing other wavelengths, one of the transmission paths between one of the base transceiver stations and one of the antennas passing through the OADM prior to reaching the one of the antennas; and
at least a portion of the plurality of optical links providing optical multiplexing of multiple operators.
-
-
55. A method of transmission, comprising:
-
providing a network with a plurality of links that couple a plurality of antennas with a plurality of base transceiver stations, the network including at least one optical add/drop multiplexer (OADM) coupled by one of the links to one of the antennas;
providing multiple transmission paths between at least a portion of the base transceiver stations with at least a portion of the antennas;
using the OADM to select at least one wavelength transmitted on the link, while passing other wavelengths, one of the transmission paths between one of the base transceiver stations and one of the antennas passing through the OADM prior to reaching the one of the antennas; and
at least a portion of the plurality of links providing optical multiplexing of multiple operators.
-
-
56. A method of transmission, comprising:
-
providing a network with a plurality of optical links that couple a plurality of antennas with a plurality of base transceiver stations;
the network including at least one optical add/drop multiplexer (OADM) coupled by one of the links to one of the antennas;
providing multiple transmission paths with at least one optical link of the plurality of optical links using optical DWDM between at least a portion of the base transceiver stations with at least a portion of the antennas;
using the OADM to select at least one wavelength transmitted on the optical link, while passing other wavelengths, one of the transmission paths between one of the base transceiver stations and one of the antennas passing through the OADM prior to reaching the one of the antennas; and
at least a portion of the plurality of the optical links providing optical multiplexing of multiple operators. - View Dependent Claims (57, 58, 59, 60, 61, 62)
using DWDM protection techniques to provide protection or redundancy between a base transceiver station node and a remote antenna node.
-
-
59. The method of claim 58, where the protection is employed for a fiber break.
-
60. The method of claim 58, where the protection is employed for an equipment failure.
-
61. The method of claim 58 wherein the DWDM protection is provided by switching the direction of optical beam transmission to the opposite direction around a ring connecting a base transceiver station node to a remote node in the event of a problem along an original transmission path.
-
62. The method of claim 58 wherein the DWDM protection is provided by transmitting optical beams simultaneously in both directions around a ring connecting the base transceiver station and the remote node, so that if one side breaks, the other connection allows for continued operation.
-
63. A method of transmission, comprising:
-
providing a network with a plurality of optical links that couple a plurality of antennas with a plurality of base transceiver stations;
the network including at least one optical add/drop multiplexer (OADM) coupled by one of the links to one of the antennas;
providing multiple transmission paths with at least one link of the plurality of links using optical DWDM between at least a portion of the base transceiver stations with at least a portion of the antennas;
the DWDM wavelength carriers carrying an analog signal representative of an RF signal between the plurality of base transceiver stations and the plurality of antennas;
using the OADM to select at least one wavelength transmitted on the optical link, while passing other wavelengths, one of the transmission paths between one of the base transceiver stations and one of the antennas passing through the OADM prior to reaching the one of the antennas; and
at least a portion of the plurality of optical links providing optical multiplexing of multiple operators. - View Dependent Claims (64, 65, 66, 67, 68)
providing optical carriers at a sufficiently wide wavelength spacing to minimize effects of linear and non-linear crosstalk between optical carriers on a cellular signal being carried by the network.
-
-
65. The method of claim 63, further comprising:
placing different wireless telecommunications operators on different optical wavelengths.
-
66. The method of claim 63, wherein the network includes low latency optical devices for routing.
-
67. The method of claim 63, wherein the multiple transmission paths are created on an optical link by frequency division multiplexing different cellular signals onto a same optical carrier.
-
68. The method of claim 63, further comprising;
using frequency division multiplexing to carry a backhaul signal and a cellular signal on a same optical wavelength.
-
69. A method of transmission, comprising:
-
providing a network with a plurality of links that couple a plurality of antennas with a plurality of base transceiver stations, wherein at least one base transceiver station or antenna location is geographically remote from the network and is connected to the network with a free space link, the network including at least one optical add/drop multiplexer (OADM) coupled by one of the links to one of the antennas; and
providing multiple transmission paths between at least a portion of the base transceiver stations with at least a portion of the antennas;
using the OADM to select at least one wavelength transmitted on the link, while passing other wavelengths, one of the transmission paths between one of the base transceiver stations and one of the antennas passing through the OADM prior to reaching the one of the antennas; and
at least a portion of the plurality of links providing optical multiplexing of multiple operators. - View Dependent Claims (70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81)
frequency division multiplexing multiple cellular signals onto the free space link.
-
-
73. The method of claim 69, further comprising:
transporting a digital signal over the free space link representing the cellular signal.
-
74. The method of claim 73, wherein the digital signal is generated by digitizing a wireless band.
-
75. The method of claim 73, wherein the digital signal is placed in a format selected from SONET, Gigabit Ethernet, Fibre Channel, TCP, and T-Carrier.
-
76. The method of claim 73, wherein the digital signal is multiplexed into the network without converting it back into an analog signal.
-
77. The method of claim 73, wherein the digital transmitted over the free space link is time division multiplexed onto the network.
-
78. The method of claim 77, wherein the digital signal is multiplexed onto the network with a SONET device.
-
79. The method of claim 69 wherein different cellular operators share the free space link using different transmission paths.
-
80. The method of claim 79 wherein the free space link is RF and the multiple transmission paths are provided with frequency division multiplexing.
-
81. The method of claim 79 wherein the free space link is optical and the multiple transmission paths are different wavelengths.
Specification