DISTRIBUTED RADIO SYSTEM WITH REMOTE RADIO HEADS
First Claim
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1. A system for routing signals in a Distributed Antenna System, the system comprising:
- a plurality of Digital Multiplexer Units (DMUs), wherein the plurality of DMUs are coupled and operable to route signals between the plurality of DMUs, wherein each of the plurality of DMUs is operable to receive a digital signal from a base band unit (BBU); and
a plurality of Digital Remote Units (DRUs) coupled to at least one of the plurality of DMUs and operable to transport signals between DRUs and the at least one of the plurality of DMUs.
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Abstract
A system for routing signals in a Distributed Antenna System includes a plurality of Digital Multiplexer Units (DMUs). The plurality of DMUs are coupled and operable to route signals between the plurality of DMUs. Each of the plurality of DMUs is operable to receive a digital signal from a base band unit (BBU). The system also includes a plurality of Digital Remote Units (DRUs) coupled to at least one of the plurality of DMUs and operable to transport signals between DRUs and the at least one of the plurality of DMUs.
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Citations
20 Claims
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1. A system for routing signals in a Distributed Antenna System, the system comprising:
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a plurality of Digital Multiplexer Units (DMUs), wherein the plurality of DMUs are coupled and operable to route signals between the plurality of DMUs, wherein each of the plurality of DMUs is operable to receive a digital signal from a base band unit (BBU); and a plurality of Digital Remote Units (DRUs) coupled to at least one of the plurality of DMUs and operable to transport signals between DRUs and the at least one of the plurality of DMUs. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for operating a Distributed Antenna System (DAS), the method comprising:
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receiving a digital signal from a base band unit (BBU) at at least one digital multiplexer unit (DMU); receiving an RF signal from a base transceiver station (BTS) at at least one digital access unit (DAU); converting the received RF signal to a baseband signal; transmitting the baseband signal to a digital remote unit (DRU); transmitting the received digital signal to a digital interface unit (DIU); and transmitting the received digital signal from the DIU to a remote radio head (RRH). - View Dependent Claims (15, 16, 17)
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18. A method for routing signals in a Distributed Antenna System including a plurality of Digital Multiplexer Units (DMUs), a plurality of Digital Remote Units (DRUs), at least one Digital Interface Unit (DIU), and a plurality of Remote Radio Heads (RRHs), the method comprising:
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receiving digital signals at one of the plurality of DMUs from one of a plurality of base band units (BBUs); transporting the digital signals from the at least one of the plurality of DMUs to the at least one DIU; transporting signals between the at least one DIU and the plurality of RRHs; receiving RF signals at a digital access unit (DAU); converting the RF signals to second digital signals; and transporting the second digital signals to the plurality of DRUs. - View Dependent Claims (19, 20)
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Specification