FLEXIBLE, RECONFIGURABLE MULTIPOINT-TO-MULTIPOINT DIGITAL RADIO FREQUENCY TRANSPORT ARCHITECTURE
First Claim
1. A distributed antenna system comprising:
- a plurality of network interfaces, each of the plurality of network interfaces configured to receive signals from one of a plurality of devices external to the distributed antenna system and to convert the signals to a downlink serialized data stream;
a distributed antenna switch communicatively coupled to the plurality of network interfaces by a first plurality of digital communication links, the distributed antenna switch configured to receive the downlink serialized data stream from each of the plurality of network interfaces across each corresponding digital communication link of the first plurality of digital communication links;
the distributed antenna switch further configured to aggregate the plurality of downlink serialized data streams from the first plurality of digital communication links into an aggregate downlink serialized data stream;
a remote antenna unit communicatively coupled to the distributed antenna switch by a second digital communication link and configured to receive the aggregate downlink serialized data stream across the second digital communication link, the remote antenna unit further configured to extract the plurality of downlink serialized data streams from the aggregate downlink serialized data stream;
the remote antenna unit having at least one radio frequency converter configured to convert at least one downlink serialized data stream into at least one radio frequency band and at least one radio frequency transceiver and antenna pair configured to transmit signals in the at least one radio frequency band to at least one subscriber unit.
13 Assignments
0 Petitions
Accused Products
Abstract
A distributed antenna system includes network interfaces configured to receive signals from devices external to distributed antenna system and to convert signals to downlink serialized data streams; distributed antenna switch communicatively coupled to network interfaces by digital communication links, distributed antenna switch configured to receive downlink serialized data stream from network interfaces across corresponding digital communication link; distributed antenna switch further configured to aggregate downlink serialized data streams into aggregate downlink serialized data stream; remote antenna unit communicatively coupled to distributed antenna switch by digital communication link that receives aggregate downlink serialized data stream across digital communication link, remote antenna unit further configured to extract downlink serialized data streams from aggregate downlink serialized data stream; remote antenna unit having radio frequency converter configured to convert downlink serialized data stream into radio frequency band and radio frequency transceiver/antenna pair configured to transmit signals in radio frequency band to subscriber unit.
-
Citations
58 Claims
-
1. A distributed antenna system comprising:
-
a plurality of network interfaces, each of the plurality of network interfaces configured to receive signals from one of a plurality of devices external to the distributed antenna system and to convert the signals to a downlink serialized data stream; a distributed antenna switch communicatively coupled to the plurality of network interfaces by a first plurality of digital communication links, the distributed antenna switch configured to receive the downlink serialized data stream from each of the plurality of network interfaces across each corresponding digital communication link of the first plurality of digital communication links; the distributed antenna switch further configured to aggregate the plurality of downlink serialized data streams from the first plurality of digital communication links into an aggregate downlink serialized data stream; a remote antenna unit communicatively coupled to the distributed antenna switch by a second digital communication link and configured to receive the aggregate downlink serialized data stream across the second digital communication link, the remote antenna unit further configured to extract the plurality of downlink serialized data streams from the aggregate downlink serialized data stream; the remote antenna unit having at least one radio frequency converter configured to convert at least one downlink serialized data stream into at least one radio frequency band and at least one radio frequency transceiver and antenna pair configured to transmit signals in the at least one radio frequency band to at least one subscriber unit. - 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. A method of aggregating and distributing serialized data streams in a distributed antenna system, the method comprising:
-
receiving a plurality of signals from a plurality of devices external to the distributed antenna system at a plurality of network interfaces; converting the plurality of signals into a plurality of corresponding downlink serialized data streams at the plurality of network interfaces; communicating the corresponding downlink serialized data streams from the plurality of network interfaces to a distributed antenna switch across a first plurality of digital communication links; aggregating the plurality of downlink serialized data streams into an aggregate downlink serialized data stream at the distributed antenna switch; communicating the aggregate downlink serialized data stream from the distributed antenna switch to a remote antenna unit; extracting the downlink serialized data streams from the aggregate downlink serialized data stream at the remote antenna unit; converting at least one of the downlink serialized data streams into at least one radio frequency band at the remote antenna unit; and transmitting signals in the at least one radio frequency band to at least one subscriber unit at the remote antenna unit. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54)
-
-
55. A distributed antenna system comprising:
-
a plurality of network interfaces, each of the plurality of network interfaces configured to receive signals from one of a plurality of devices external to the distributed antenna system and to convert the signals to a downlink serialized data stream; a serial link combiner communicatively coupled to two network interfaces of the plurality of network interfaces by a first plurality of digital communication links, the serial link combiner configured to receive two downlink serialized data streams from the two network interfaces of the plurality of network interfaces across each corresponding first plurality of digital communication links; the serial link combiner further configured to aggregate the two downlink serialized data streams from the first plurality of digital communication links into a first aggregate downlink serialized data stream by mapping timeslots from each of the plurality of downlink serialized data streams to timeslots within the first aggregate downlink serialized data stream; a distributed antenna switch communicatively coupled to the serial link combiner by a second digital communication link, the distributed antenna switch configured to receive the first aggregate downlink serialized data stream from the serial link combiner; the distributed antenna switch further communicatively coupled one network interface of the plurality of network interfaces by a third digital communication link, the distributed antenna switch configured to receive a second downlink serialized data stream from the second network interface across the third digital communication link; the distributed antenna switch further configured to aggregate the first aggregate downlink serialized data stream with the second downlink serialized data stream into a second aggregate downlink serialized data stream; a remote antenna unit communicatively coupled to the distributed antenna switch by a fourth digital communication link and configured to receive the second aggregate downlink serialized data stream across the fourth digital communication link, the remote antenna unit further configured to extract at least one of the first downlink serialized data stream, the second downlink serialized data stream, and the third downlink serialized data stream from the second aggregate downlink serialized data stream; the remote antenna unit having at least one radio frequency converter configured to convert at least one of the first downlink serialized data stream, the second downlink serialized data stream, and the third downlink serialized data stream into at least one radio frequency band, the remote antenna unit having at least one radio frequency transceiver and antenna pair configured to transmit signals in the at least one radio frequency band to at least one subscriber unit. - View Dependent Claims (56, 57, 58)
-
Specification