# US 2016/0365884 A1 · System and method for reconfiguring rf signals in a multi-input receiver > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2016/0365884 A1 - Document ID: US20160365884A1 - Status: Published application - Kind: A1 - Application number: 15/121,608 - Filed: 2015-02-27 - Published: 2016-12-15 - Earliest claimed: 2014-02-27 - Assignees: Battelle Memorial Institute - Applicants: Battelle Memorial Institute - Inventors: Raphael J. Welsh - Web page: https://patentgrep.com/patent/US20160365884A1 ## CPC - H04B 1/30: for homodyne or synchrodyne receivers (demodulator circuits H03D1/22) - H04B 1/0064: {with separate antennas for the more than one band (H04B1/0053 takes precedence)} - H04B 1/1036: {with automatic suppression of narrow band noise or interference, e.g. by using tuneable notch filters (H04B1/123 takes precedence; filter circuits H03H)} - H04B 1/18: Input circuits, e.g. for coupling to an antenna or a transmission line (coupling networks between antennas or lines and receivers independent of the nature of the receiver H03H) - H04B 1/74: for increasing reliability, e.g. using redundant or spare channels or apparatus {(replacing by standby devices for amplifiers H03F1/52, H03F1/542)} - H04B: TRANSMISSION ## Abstract A multi-input receiver including a plurality of RF antennas, a multi-channel receiver, an input port configuration block (IPCB), and a configuration block controller. The IPCB includes at least two two-way connection modules, at least one four-way connection module, at least one direct connection module, and a plurality of electronic signal pathways. Each connection module includes a connection module input port communicatively coupled to an RF antenna of the plurality of RF antennas, a connection module output port communicatively coupled to a channel of the multi-channel receiver, and a mechanical diversion switch. The mechanical diversion switches and the plurality of electronic signal pathways are positioned and configured such that the mechanical diversion switch of each connection module communicatively couples a splitter bypass signal, a 1×2 signal, or a 1×4 signal to the connection module output port on a selective basis. ## Claims ### Claim 1 A multi-input receiver comprising a plurality of RF antennas, a multi-channel receiver, an input port configuration block (IPCB), and a configuration block controller, wherein: the plurality of RF antennas are communicatively coupled an input side of the IPCB; the multi-channel receiver is communicatively coupled to an output side of the IPCB; the IPCB comprises at least two two-way connection modules, at least one four-way connection module, at least one direct connection module, and a plurality of electronic signal pathways; the plurality of electronic signal pathways extend from the input side of the IPCB to the output side of the IPCB via at least one of the connection modules; each connection module comprises a connection module input port communicatively coupled to an RF antenna of the plurality of RF antennas, a connection module output port communicatively coupled to a channel of the multi-channel receiver, and a mechanical diversion switch; the two-way connection modules additionally comprise a two-way power splitter and a mechanical interruption switch positioned within at least one of the electronic signal pathways between the input side of the IPCB and the two-way power splitter to control whether the input port of the two-way connection module is communicatively coupled to the two-way power splitter; the four-way connection module additionally comprises a four-way power splitter and a mechanical interruption switch positioned within at least one of the electronic signal pathways between the input side of the IPCB and the four-way power splitter to control whether an input port of the four-way connection module is communicatively coupled to the four-way power splitter; the mechanical diversion switches and the plurality of electronic signal pathways are positioned and configured such that the mechanical diversion switch of each connection module communicatively couples a splitter bypass signal, a 1×2 signal, or a 1×4 signal to the connection module output port on a selective basis; the configuration block controller is programmed to control open and closed states of the mechanical diversion and interruption switches such that the IPCB is selectively configurable into an N=1 configuration, an N=2 configuration, an N=3 configuration, and an N=4 configuration; an RF signal at one connection module input port is transferred in substantially equivalent power components to four connection module output ports in the N=1 configuration; an RF signal at two connection module input ports is transferred in substantially equivalent power components to four connection module output ports in the N=2 configuration; an RF signal at three connection module input ports is transferred in substantially equivalent power components to three connection module output ports in the N=3 configuration; and an RF signal at four connection module input ports is transferred in substantially equivalent power components to four connection module output ports in the N=4 configuration. ### Claim 2 (depends on 1) The multi-input receiver of claim 1, wherein the IPCB is configured to be software enabled for control of selective positions of each mechanical interruption switch and each mechanical diversion switch. ### Claim 3 (depends on 1) The multi-input receiver of claim 1, wherein the mechanical diversion switches and the plurality of electronic signal pathways are positioned and configured such that each bypass signal bypasses the two-way power splitters and the four-way power splitter, each 1×2 signal extends from one of the two-way power splitters, and each 1×4 signal extends from the four-way power splitter. ### Claim at position 4 4-5. (canceled) ### Claim 6 (depends on 1) The multi-input receiver of claim 1, wherein in the N=1 configuration, the four-way connection module is configured to receive an RF signal and the connection module input ports of the two-way connection modules and the direct connection module are terminated. ### Claim 7 (depends on 1) The multi-input receiver of claim 1, wherein in the N=1 configuration: the mechanical interruption switch of the four-way connection module is in the closed position; the mechanical interruption switch of the two-way connection modules are in the open position; and the mechanical diversion switch of each connection module is positioned to communicatively couple an individual 1×4 signal output by the four-way power splitter with the connection module output port of each connection module. ### Claim 8 (depends on 1) The multi-input receiver of claim 1, wherein in the N=2 configuration, both two-way connection modules are configured to receive an RF signal and the connection module input ports of the four-way connection module and the direct connection module are terminated. ### Claim 9 (depends on 1) The multi-input receiver of claim 1, wherein in the N=2 configuration: the mechanical interruption switch of each two-way connection module is in the closed position; the mechanical interruption switch of the four-way connection module is in the open position; and the mechanical diversion switch of each connection module is positioned to communicatively couple an individual 1×2 signal output by the two-way power splitters with the connection module output port of each connection module. ### Claim 10 (depends on 1) The multi-input receiver of claim 1, wherein in the N=3 configuration, any three connection modules of the two-way connection modules, the four-way connection module, and the direct connection module are configured to receive an RF signal and the connection module input port of a module not configured to receive an RF signal is terminated. ### Claim 11 (depends on 10) The multi-input receiver of claim 10, wherein in the N=3 configuration: the mechanical interruption switch of each connection module configured to receive the RF signal is in the open position; and the mechanical diversion switch of each connection module configured to receive an RF signal is positioned to communicatively couple an individual splitter bypass signal with the connection module output port of each connection module configured to receive an RF signal. ### Claim 12 (depends on 1) The multi-input receiver of claim 1, wherein in the N=4 configuration, each connection module is configured to receive an RF signal. ### Claim 13 (depends on 1) The multi-input receiver of claim 1, wherein in the N=4 configuration: the mechanical interruption switch of each two-way connection module is in the open position and the mechanical interruption switch of the four-way connection module is in the open position; and the mechanical diversion switch of each connection module is positioned to communicatively couple an individual splitter bypass signal with the connection module output port of each connection module. ### Claim 14 (canceled) ### Claim 15 (depends on 1) The multi-input receiver of claim 1, wherein the multi-channel receiver comprises: a plurality of intermediate receiver channels communicatively coupled to the connection module output ports of the IPCB, a plurality of parallel channels arranged in a plurality of discrete groups of parallel channels, and a plurality of multi-channel receiver power splitters each structurally configured to receive an RF signal from an individual intermediate receiver channel and output substantially equivalent power components of the RF signal to an individual discrete group of parallel channels. ### Claim 16 (depends on 15) The multi-input receiver of claim 15, wherein each individual discrete group of parallel channels comprises four parallel channels and each multi-channel receiver power splitter comprises a four way power splitter structurally configured to output a substantially equivalent power component of the RF signal into each of the four parallel channels of the discrete group of parallel channels. ### Claim 17 (canceled) ### Claim 18 (canceled) ### Claim 19 (canceled) ### Claim 20 (canceled) ### Claim 21 (depends on 1) The multi-input receiver of claim 1, wherein each RF antenna is communicatively coupled to an integrated RF antenna module comprising an RF module diversion switch, a high pass filter, and a digital step attenuator. ### Claim 22 (depends on 21) The multi-input receiver of claim 21, wherein each RF module diversion switch is structurally configured such that the RF module diversion switch communicatively couples the RF signal received by each RF antenna to the IPCB or communicatively couples an RF comb generator to the IPCB on a selective basis. ### Claim 23 (depends on 22) The multi-input receiver of claim 22, wherein the RF comb generator is structurally configured to provide a fundamental carrier and harmonics signal to the IPCB when the RF module diversion switch is positioned to communicatively coupled the RF comb generator to the IPCB. ### Claim 24 (depends on 23) The multi-input receiver of claim 23, wherein the fundamental carrier and harmonics signal provided by the RF comb generator is configured to phase align the IPCB. ### Claim 25 (depends on 23) The multi-input receiver of claim 23, wherein the fundamental carrier and harmonics signal provided by the RF comb generator is configured to measure phase offset of the connection module input ports. ### Claim 26 An input port configuration block (IPCB) comprising an input side, an output side, at least two two-way connection modules, at least one four-way connection module, at least one direct connection module, a plurality of electronic signal pathways, and a configuration block controller, wherein: the plurality of electronic signal pathways extend from the input side of the IPCB to the output side of the IPCB via at least one of the connection modules; each connection module comprises a connection module input port, a connection module output port, and a mechanical diversion switch; the two-way connection modules additionally comprise a two-way power splitter and a mechanical interruption switch positioned within at least one of the electronic signal pathways between the input side of the IPCB and the two-way power splitter to control whether the input port of the two-way connection module is communicatively coupled to the two-way power splitter; the four-way connection module additionally comprises a four-way power splitter and a mechanical interruption switch positioned within at least one of the electronic signal pathways between the input side of the IPCB and the four-way power splitter to control whether an input port of the four-way connection module is communicatively coupled to the four-way power splitter; the mechanical diversion switches and the plurality of electronic signal pathways are positioned and configured such that the mechanical diversion switch of each connection module communicatively couples a splitter bypass signal, a 1×2 signal, or a 1×4 signal to the connection module output port on a selective basis; the configuration block controller is programmed to control open and closed states of the mechanical diversion and interruption switches such that the IPCB is selectively configurable into an N=1 configuration, an N=2 configuration, an N=3 configuration, and an N=4 configuration; an RF signal at one connection module input port is transferred in substantially equivalent power components to four connection module output ports in the N=1 configuration; an RF signal at two connection module input ports is transferred in substantially equivalent power components to four connection module output ports in the N=2 configuration; an RF signal at three connection module input ports is transferred in substantially equivalent power components to three connection module output ports in the N=3 configuration; and an RF signal at four connection module input ports is transferred in substantially equivalent power components to four connection module output ports in the N=4 configuration. ### Claim 27 A multi-input receiver comprising a plurality of RF antennas, a multi-channel receiver, an input port configuration block (IPCB), and a configuration block controller, wherein: the plurality of RF antennas are communicatively coupled an input side of the IPCB; the multi-channel receiver is communicatively coupled to an output side of the IPCB; the IPCB comprises at least two two-way connection modules, at least one four-way connection module, at least one direct connection module, and a plurality of electronic signal pathways; the plurality of electronic signal pathways extend from the input side of the IPCB to the output side of the IPCB via at least one of the connection modules; each connection module comprises a connection module input port communicatively coupled to an RF antenna of the plurality of RF antennas, a connection module output port communicatively coupled to a channel of the multi-channel receiver, and a mechanical diversion switch; the two-way connection modules additionally comprise a two-way power splitter and a mechanical interruption switch positioned within at least one of the electronic signal pathways between the input side of the IPCB and the two-way power splitter to control whether the input port of the two-way connection module is communicatively coupled to the two-way power splitter; the four-way connection module additionally comprises a four-way power splitter and a mechanical interruption switch positioned within at least one of the electronic signal pathways between the input side of the IPCB and the four-way power splitter to control whether an input port of the four-way connection module is communicatively coupled to the four-way power splitter; the mechanical diversion switches and the plurality of electronic signal pathways are positioned and configured such that the mechanical diversion switch of each connection module communicatively couples a splitter bypass signal, a 1×2 signal, or a 1×4 signal to the connection module output port on a selective basis, such that each bypass signal bypasses the two-way power splitters and the four-way power splitter, each 1×2 signal extends from one of the two-way power splitters, and each 1×4 signal extends from the four-way power splitter; the configuration block controller is programmed to control open and closed states of the mechanical diversion and interruption switches such that the IPCB is selectively configurable into an N=1 configuration, an N=2 configuration, an N=3 configuration, and an N=4 configuration; an RF signal at one connection module input port is transferred in substantially equivalent power components to four connection module output ports in the N=1 configuration; the four-way connection module is configured to receive an RF signal and the connection module input ports of the two-way connection modules and the direct connection module are terminated in the N=1 configuration, an RF signal at two connection module input ports is transferred in substantially equivalent power components to four connection module output ports in the N=2 configuration; both two-way connection modules are configured to receive an RF signal and the connection module input ports of the four-way connection module and the direct connection module are terminated in the N=2 configuration, an RF signal at three connection module input ports is transferred in substantially equivalent power components to three connection module output ports in the N=3 configuration; any three connection modules of the two-way connection modules, the four-way connection module, and the direct connection module are configured to receive an RF signal and the connection module input port of a module not configured to receive an RF signal is terminated in the N=3 configuration; an RF signal at four connection module input ports is transferred in substantially equivalent power components to four connection module output ports in the N=4 configuration; and each connection module is configured to receive an RF signal in the N=4 configuration.