Architecture, devices and methods for supporting multiple channels in a wireless system

• US 9,301,305 B2
• Filed: 10/23/2014
• Issued: 03/29/2016
• Est. Priority Date: 09/19/2011
• Status: Active Grant

• Current Assignee: Aviat U.S., Inc. (Aviat Networks Incorporated)
• Original Assignee: Redline Communications Inc. (Aviat Networks Incorporated)
• Inventors: Picker, Dan
• Primary Examiner(s): Moore, Jr., Michael J
• Application Number:
  US14/522,025
• Publication Number:
  US 20150045047A1
• Time in Patent Office: 523 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: H04B 7/0671 using different delays between antennas
• CPC Class Codes: H04B 7/0689 using different transmission schemes, at least one of them being a diversity transmission scheme
• CPC Class Codes: H04B 7/0857 using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
• CPC Class Codes: H04B 7/0871 using different reception schemes, at least one of them being a diversity reception scheme
• CPC Class Codes: H04W 16/14 Spectrum sharing arrangements between different networks
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 72/54 based on quality criteria
• CPC Class Codes: H04W 76/12 Setup of transport tunnels
• CPC Class Codes: H04W 88/08 Access point devices

Abstract

Devices, systems, and methods are presented for a wireless base station to assign dynamically a plurality of radio transceiver chains among a varying number of wireless channels. In this manner, the communication system including the wireless base station may transition between a range extension mode and an enhanced capacity mode. In the range extension mode, a system is configured for maximum communication range with Subscriber Stations that are relatively distant from the radio transceiver chains, although communication is still possible with nearby Subscriber Stations. In the enhanced capacity mode, the system is configured for maximum communication throughput with Subscriber Stations that are relatively near to the radio transceiver chains, whereas communication with relatively distant Subscriber Stations will be either terminated or at least non-optimized.

Claims

1. A wireless Base Station (BS) system to assign dynamically a plurality of radio transceiver chains among a number of wireless channels, comprising:

a Base-Band (BB) subsystem comprising a plurality of digital ports, said BB subsystem used to synthesize a plurality of digital BB signals associated with said number of wireless channels, said number of wireless channels less than or equal to a number of said digital BB signals;

a plurality of analog-digital interfaces, wherein each of said plurality of radio transceiver chains connects to one of said plurality of digital ports of the BB subsystem via one of the plurality of analog-digital interfaces; and

further wherein the system

sets the number of wireless channels dynamically according to a first criterion,

assigns the plurality of radio transceiver chains dynamically among the number of wireless channels according to a second criterion, such that each radio transceiver chain is assigned to only one of the wireless channels,

synthesizes, using the BB subsystem, the plurality of digital BB signals associated with the number of wireless channels, and

inputs the plurality of digital BB signals to the plurality of radio transceiver chains via the corresponding plurality of digital ports and the corresponding analog-digital interfaces, thereby transmitting the number of wireless channels via the plurality of radio transceiver chains.

2. A method for transitioning from a range-extension-mode to an enhanced-capacity-mode in a wireless Base Station (BS), comprising:

assigning, by said wireless BS, one or more radio transceiver chains to a first wireless channel associated with a first frequency range;

communicating data wirelessly during an initial operation phase, by the wireless BS, with distant Subscribed Stations (SS), over the first wireless channel, via the one or more radio transceiver chains, thereby utilizing an aggregated transmission power and an reception capability of the one or more radio transceiver chains to reach the distant SS;

stopping communication, by the wireless BS, with the distant SS at the end of the initial operation phase;

assigning respectively, by the wireless BS, first and second mutually-exclusive subsets of the one or more radio transceiver chains to the first wireless channel associated with the first frequency range, and a second wireless channel associated with a second frequency range respectively; and

communicating data wirelessly, by the wireless BS, with near-by Subscribed Stations (SS), over the first and second wireless channels, via the first and second mutually-exclusive subsets respectively.