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US 8,619,887 B2Granted
Adjustable operational state wireless MIMO
AssigneeQuantenna Communications, Inc.
InventorsBehrooz Rezvani, Farrokh R. Farrokhi, Sam Heidari
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Abstract
Wireless devices capable of one or more of extended multiple input multiple output (MIMO), dual bonded, and dual concurrent operation are disclosed. Methods for switching between the operational states for wireless devices capable of multiple operational states are also disclosed.
Claims19
A system comprising:
- a state controller;
- baseband processing logic, coupled to the state controller, including:
- a plurality of multiple input multiple output (MIMO) signal processing units;
- matrix conversion logic coupled to the plurality of MIMO signal processing units;
- an adjustable state radio frequency (RF) component coupled to the baseband processing logic;
- a plurality of antennae coupled to the adjustable state RF component;
- wherein, in operation, the baseband processing logic controls the adjustable RF component to utilize the plurality of antennae and RF chains associated with the antennae within parameters defined by the state controller.
4 more elements
A method comprising:
- receiving a control signal associated with radio frequency (RF) chain and antennae operational parameters;
- coupling a first N×N multiple input multiple output (MIMO) signal processing unit to a second N×N MIMO signal processing unit via matrix conversion logic, wherein N>2;
- operating up to 2N RF chains and antennae in accordance with the control signal in 2N×2N extended MIMO;
- and, wherein the control signal is a first control signal, further comprising:
- receiving a second control signal associated with dual operational state;
- decoupling the first N×N MIMO signal processing unit and the second N×N MIMO signal processing unit with respect to the matrix conversion logic.
3 more elements
A method comprising:
- receiving a control signal associated with radio frequency (RF) chain and antennae operational parameters;
- coupling a first N×N multiple input multiple output (MIMO) signal processing unit to a second N×N MIMO signal processing unit via matrix conversion logic, wherein N>2;
- operating up to 2N RF chains and antennae in accordance with the control signal in 2N×2N extended MIMO;
- and, wherein the control signal is a first control signal, further comprising:
- receiving a second control signal associated with dual concurrent operational state;
- operating up to N RF chains and antennae associated with the first N×N MIMO signal processing unit and up to N RF chains and antennae associated with the second N×N MIMO signal processing unit.
3 more elements
A method comprising:
- receiving a control signal associated with radio frequency (RF) chain and antennae operational parameters;
- coupling a first N×N multiple input multiple output (MIMO) signal processing unit to a second N×N MIMO signal processing unit via matrix conversion logic, wherein N>2;
- operating, up to 2N RF chains and antennae in accordance with the control signal in 2N×2N extended MIMO;
- and, wherein the control signal is a first control signal, further comprising:
- receiving a second control signal associated with dual bonded operational state;
- coupling the first N×N MIMO signal processing unit and the second N×N MIMO signal processing unit with an adder;
- operating up to N RF chains and antennae at 2x MHz, where “x” is an operational frequency of each of the first and the second MIMO signal processing unit.
4 more elements
A system comprising:
- a state controller;
- baseband processing logic, coupled to the state controller, including:
- a plurality of multiple input multiple output (MIMO) signal processing units;
- an adder coupled to a first MIMO signal processing unit of the plurality of MIMO signal processing units;
- a switch coupled to a second MIMO signal processing unit of the plurality of MIMO signal processing units;
- a frequency conversion block coupled between the adder and the switch;
- an adjustable state radio frequency (RF) component coupled to the baseband processing logic;
- a plurality of antennae coupled to the adjustable state RF component;
- wherein, in operation, when the state controller provides a control signal to open the switch, the baseband processing logic enters a dual concurrent operational state, and when the state controller provides a control signal to close the switch, signals associated with the first MIMO signal processing unit and the second MIMO signal processing unit are combined using the frequency conversion block and the adder, and the baseband processing logic enters a dual bonded operational state, and wherein the baseband processing logic controls the adjustable RF component to utilize the plurality of antennae and RF chains associated with the antennae in accordance with the dual bonded or dual concurrent operational states.
6 more elements
Dependencies are inferred from the claim text.