Parallel operation of devices using multiple communication standards

A multiple standard communication device of the type with parallel operation, comprising:

• a first subunit at least receiving input signals at a predetermined input level;
• a second subunit at least transmitting output signals at a specific time, frequency and output level such that said output level is very large compared to said input level of said first subunit;
• wherein an operation mode of said first subunit is modified when said second subunit is transmitting output signals;
• said first subunit comprises an operation mode modification unit to receive at least one signal specifying at least one of time, frequency, and output level in said second subunit for operation mode modification in said first subunit;
• said operation mode modification unit is adapted to modify an input characteristic of said first subunit;
• said input characteristic of said first subunit is modified through a low noise amplifier having at least one of at least two operation modes, a tunable filter, a switchable receiver, and an antenna with tunable gain;
• said low noise amplifier has at least two operation modes and comprises:
• a switchable bias network adapted to define at least two biasing conditions of said low noise amplifier;
• a switchable matching network is adapted to optimize noise performance, gain and stability of said low noise amplifier for said at least two biasing conditions;
• and
• wherein a first biasing condition is related to a normal operation mode to optimize noise performance and achieve low current consumption in said first subunit when no transmit bursts are generated by said second subunit;
• a second biasing condition is related to a gain adjustment mode to improve blocking performance when transmit bursts are generated by said second subunit;
• and
• said switchable matching network is adapted to define said at least two biasing conditions for an amplification element of said low noise amplifier.

A multiple standard communication device of the type with parallel operation, comprising:

• a first subunit at least receiving input signals at a predetermined input level;
• a second subunit at least transmitting output signals at a specific time, frequency and output level such that said output level is very large compared to said input level of said first subunit;
• wherein an operation mode of said first subunit is modified when said second subunit is transmitting output signals;
• wherein said first subunit comprises an operation mode modification unit to receive at least one signal specifying at least one of time, frequency, and output level in said second subunit for operation mode modification in said first subunit, said operation mode modification unit adapted to modify an input characteristic of said first subunit;
• wherein said input characteristic of said first subunit is modified through a low noise amplifier having at least one of at least two operation modes, a tunable filter, a switchable receiver, and an antenna with tunable gain;
• and
• wherein said switchable matching network is adapted to define said at least two biasing conditions for an amplification element of said low noise amplifier or said tunable filter is adapted to block said interference signal only when transmit bursts are generated by said second subunit.

A multiple standard communication device of the type with parallel operation, comprising:

• a first subunit at least receiving input signals at a predetermined input level;
• a second subunit at least transmitting output signals at a specific time, frequency and output level such that said output level is very large compared to said input level of said first subunit;
• wherein an operation mode of said first subunit is modified when said second subunit is transmitting output signals;
• wherein said first subunit comprises an operation mode modification unit to receive at least one signal specifying at least one of time, frequency, and output level in said second subunit for operation mode modification in said first subunit, said operation mode modification unit adapted to modify an input characteristic of said first subunit, said input characteristic of said first subunit is modified through a low noise amplifier having at least one of at least two operation modes, a tunable filter, a switchable receiver, and an antenna with tunable gain;
• and
• wherein said switchable receiver comprises:
• a first low noise amplifier being directly connected to an antenna adapted to receive a signal for localization and to amplify the position system localization signal;
• a second low noise amplifier adapted to amplify the signal for localization;
• and
• a filter connected between said antenna and said second low noise amplifier and adapted to reject blocking signals, and wherein in case a performance of said low noise amplifier is limited due to an interfering signal said second low noise amplifier with said filter connected thereto is activated.