Abstract:
The wireless communications system comprises: a plurality of remote units, wherein each remote unit is configured to convert a respective RF signal into a plurality of time and frequency samples, perform a noise estimation corresponding to the plurality of time and frequency samples, compute a plurality of coefficients corresponding to the plurality of time and frequency samples that have an amplitude greater than at least a predefined threshold value, and multiply each of the plurality of coefficients by its corresponding time and frequency sample to create a plurality of weighted time and frequency samples; at least an intelligent switching unit, coupled to the plurality of remote units, wherein the intelligent switching unit is configured to receive the plurality of weighted time and frequency samples from each of the plurality of remote units, temporally align the pluralities of weighted time and frequency samples, compute a set of weighted sums of time and frequency samples and transmit the set of weighted sums of time and frequency samples; and a baseband processing unit coupled to the intelligent switching unit and configured to receive the set of weighted sums of time and frequency samples, and compute a remaining portion of baseband protocol stack processing on the set of weighted sums of time and frequency samples.
Abstract:
The reconfigurable radio remote unit for distributed antenna systems comprises a plurality of integrated radio frequency boards each dedicated to a respective frequency band, and configuration means for remotely selecting the frequency bands and/or for setting the power level of the frequency bands.
Abstract:
The radio equipment automatic redundant architecture comprises a plurality of Point of Interface units provided with: a Slave port able to receive a link; at least a Master port able to forward the link incoming in the Slave port; at least a Redundant port with same Slave port capabilities; wherein a first Point of Interface unit has the Slave port connected to a corresponding first Master port of a radio base station or similar device and the Master port connected to a Slave port of one of the others Point of Interface units, a second Point of Interface unit has the Redundant port connected to a corresponding second Master port of the radio base station or similar device and the Master port connected to a Redundant port of one of the others Point of Interface units.
Abstract:
The optical transceiver module installable on the Master Unit side of a DAS system connectable to a plurality of Remote Units, comprises an uplink connector and a downlink connector connectable to a radio base station, first and second optical connectors connectable to the Remote Units, a downlink path for the connection between the downlink connector and the first and second optical connector, and an uplink path for the connection between the uplink connector and the first and second optical connectors, wherein the uplink path comprises a first coupler of the WDM type and a second coupler of the WDM type connected, respectively, to the first optical connector and to the second optical connector, and wherein the uplink path comprises first and second demultiplexers connected, respectively, to the outputs of the first coupler and of the second coupler and adapted to separate the optical signals coming from the Remote Units.
Abstract:
The remote unit for the distribution of radio-frequency signals comprises: a plurality of electronic devices or modules operatively connected to each other for the processing of a radio-frequency signal to distribute within a coverage area, characterized in that it comprises: a first section having at least one of the electronic devices or modules; a second section having at least one of the electronic devices or modules; a connection element having a first portion associated integral with the first section and a second portion, substantially opposite to the first portion and associated integral with the second section; wherein the first section and the second section are arranged substantially aligned to each other along a longitudinal axis.
Abstract:
The wireless communications system comprises: a plurality of remote units, wherein each remote unit is configured to convert a respective RF signal into a plurality of time and frequency samples, perform a noise estimation corresponding to the plurality of time and frequency samples, compute a plurality of coefficients corresponding to the plurality of time and frequency samples that have an amplitude greater than at least a predefined threshold value, and multiply each of the plurality of coefficients by its corresponding time and frequency sample to create a plurality of weighted time and frequency samples; at least an intelligent switching unit, coupled to the plurality of remote units, wherein the intelligent switching unit is configured to receive the plurality of weighted time and frequency samples from each of the plurality of remote units, temporally align the pluralities of weighted time and frequency samples, compute a set of weighted sums of time and frequency samples and transmit the set of weighted sums of time and frequency samples; and a baseband processing unit coupled to the intelligent switching unit and configured to receive the set of weighted sums of time and frequency samples, and compute a remaining portion of baseband protocol stack processing on the set of weighted sums of time and frequency samples.
Abstract:
The reconfigurable radio remote unit for distributed antenna systems comprises a plurality of integrated radio frequency boards each dedicated to a respective frequency band, and configuration means for remotely selecting the frequency bands and/or for setting the power level of the frequency bands.
Abstract:
The radio equipment automatic redundant architecture comprises a plurality of Point of Interface units provided with: a Slave port able to receive a link; at least a Master port able to forward the link incoming in the Slave port; at least a Redundant port with same Slave port capabilities; wherein a first Point of Interface unit has the Slave port connected to a corresponding first Master port of a radio base station or similar device and the Master port connected to a Slave port of one of the others Point of Interface units, a second Point of Interface unit has the Redundant port connected to a corresponding second Master port of the radio base station or similar device and the Master port connected to a Redundant port of one of the others Point of Interface units.
Abstract:
The wireless communications system comprises: a plurality of remote units, wherein each remote unit is configured to convert a respective RF signal into a plurality of time and frequency samples, perform a noise estimation corresponding to the plurality of time and frequency samples, compute a plurality of coefficients corresponding to the plurality of time and frequency samples that have an amplitude greater than at least a predefined threshold value, and multiply each of the plurality of coefficients by its corresponding time and frequency sample to create a plurality of weighted time and frequency samples; at least an intelligent switching unit, coupled to the plurality of remote units, wherein the intelligent switching unit is configured to receive the plurality of weighted time and frequency samples from each of the plurality of remote units, temporally align the pluralities of weighted time and frequency samples, compute a set of weighted sums of time and frequency samples and transmit the set of weighted sums of time and frequency samples; and a baseband processing unit coupled to the intelligent switching unit and configured to receive the set of weighted sums of time and frequency samples, and compute a remaining portion of baseband protocol stack processing on the set of weighted sums of time and frequency samples.
Abstract:
The wireless communications system comprises: a plurality of remote units, wherein each remote unit is configured to convert a respective RF signal into a plurality of time and frequency samples, perform a noise estimation corresponding to the plurality of time and frequency samples, compute a plurality of coefficients corresponding to the plurality of time and frequency samples that have an amplitude greater than at least a predefined threshold value, and multiply each of the plurality of coefficients by its corresponding time and frequency sample to create a plurality of weighted time and frequency samples; at least an intelligent switching unit, coupled to the plurality of remote units, wherein the intelligent switching unit is configured to receive the plurality of weighted time and frequency samples from each of the plurality of remote units, temporally align the pluralities of weighted time and frequency samples, compute a set of weighted sums of time and frequency samples and transmit the set of weighted sums of time and frequency samples; and a baseband processing unit coupled to the intelligent switching unit and configured to receive the set of weighted sums of time and frequency samples, and compute a remaining portion of baseband protocol stack processing on the set of weighted sums of time and frequency samples.