Methods and systems employing receive diversity in distributed cellular antenna applications
First Claim
Patent Images
1. A network, comprising:
- a plurality of antennas remotely located from and optically coupled to a base station having a plurality of receive or transmit/receive ports, the plurality of antennas being split into a plurality of groups that is equal in number to a number of the plurality of receive ports, wherein the uplink signals from each grouping of the plurality of antennas are connected to one of the plurality of receive ports of the base stations by signal combination; and
a plurality of links that couple the plurality of remotely located antennas and the plurality of base stations.
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Abstract
A network comprises a plurality of antennas remotely located from and optically coupled to a base station is provided The base station has a plurality of receive or transmit/receive ports. The antennas are split into a plurality of groups equal in number to a number of receive ports. The uplink signals from each group of antennas are connected to one of the receive ports of the base stations by signal combination. A plurality of links couple the remotely located antennas and the base stations.
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Citations
24 Claims
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1. A network, comprising:
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a plurality of antennas remotely located from and optically coupled to a base station having a plurality of receive or transmit/receive ports, the plurality of antennas being split into a plurality of groups that is equal in number to a number of the plurality of receive ports, wherein the uplink signals from each grouping of the plurality of antennas are connected to one of the plurality of receive ports of the base stations by signal combination; and
a plurality of links that couple the plurality of remotely located antennas and the plurality of base stations. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18)
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14. A network, comprising:
a plurality of antennas coupled to a base station having a plurality of receive or transmit/receive ports, the plurality of antennas being split into a plurality of groups that is equal in number to a number of the plurality of receive ports, wherein the uplink signals from each grouping of the plurality of antennas are connected to one of the plurality of receive ports of the base stations by signal combination; and
a plurality of links that couple the plurality of antennas and the plurality of base stations.
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19. A network, comprising:
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a plurality of antennas coupled by optical links to a least one RF signal combiner on the uplink to produce a single RF combined signal, the RF combined signal being coupled to a base station having a plurality of receive or transmit/receive ports, the plurality of antennas being split into a plurality of groups that is equal in number to a number of the plurality of receive or transmit/receive ports, wherein each grouping of the plurality of antennas is connected to one of the plurality of receive or transmit/receive ports of the base stations by signal combination; and
a plurality of links that couple the plurality of antennas and the plurality of base stations.
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20. A network, comprising:
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a plurality of antennas optically coupled to a base station having a plurality of receive or transmit/receive ports, the plurality of antennas being split into a plurality of groups that is equal in number to a number of the plurality of receive or transmit/receive ports, wherein the uplink signals from each grouping of the plurality of antennas are connected to one of the plurality of receive or transmit/receive ports of the base stations by signal combination;
a plurality of links that couple the plurality of antennas and the plurality of base stations; and
wherein a coverage area generated by a downlink signal is smaller than a coverage area generate by an uplink signal, and the coverage area is arranged such that remote nodes connected to different receive ports have larger overlapping uplink coverage areas than overlapping downlink coverage areas. - View Dependent Claims (21, 22, 24)
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23. A network, comprising:
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a plurality of remote repeater units and their corresponding antennas remotely located from and coupled to a base station having a plurality of receive or transmit/receive ports, the plurality of remote repeater units and their corresponding antennas being split into a plurality of groups that is equal in number to a number of the plurality of receive ports, wherein the uplink signals from each grouping of the plurality of remote repeater units are connected to one of the plurality of receive ports of the base stations by signal combination; and
a plurality of links that couple the plurality of remotely located remote repeater units and their corresponding antennas and the plurality of base stations.
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Specification