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Radio access networks

  • US 10,292,175 B2
  • Filed: 08/08/2016
  • Issued: 05/14/2019
  • Est. Priority Date: 02/07/2013
  • Status: Active Grant
First Claim
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1. A communication system comprising:

  • remote units, each of the remote units comprising one or more radio frequency (RF) units to exchange RF signals with mobile devices, at least some of the RF signals comprising information destined for, or originating from, a mobile device among the mobile devices; and

    a controller comprising one or more modems and connected to an external network, at least one of the modems being a baseband modem and being configured to pass first data corresponding to the information, the at least one of the modems being configured to perform real-time scheduling of the first data corresponding to the information;

    wherein the controller is separated from the remote units by an intermediate network, the intermediate network comprising a switched Ethernet network over which second data corresponding to the information is carried in frames between the controller and the remote units;

    wherein the one or more modems control a set of the remote units through the switched Ethernet network to form a cell, each remote unit in the cell comprising one or more antennas, the one or more antennas being associated with a common cell identifier;

    wherein two or more of the remote units combine transmissions received from the mobile device.

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