Radio frequency telecommunications transceiver

A radio frequency (RF) transceiver in which transmit and receive operations are selectively time-division-duplexed, comprising:

• a signal generator which receives a plurality of control signals and in accordance therewith generates a transmitter RF signal during a first time period and a receiver RF signal during a second time period, wherein said first and second time periods are mutually exclusive;
• a transmitter, coupled to said signal generator, which receives said transmitter RF signal, a transmit enable signal and a modulation signal and in accordance therewith modulates said transmitter RF signal to provide a first modulated RF signal during a third time period, wherein operation of said transmitter is enabled during said third time period and disabled otherwise;
• a receiver, coupled to said signal generator, which receives a receive enable signal and said receiver RF signal and in accordance therewith receives, down-converts and demodulates a second modulated RF signal to provide a demodulated signal during a fourth time period, wherein operation of said receiver is enabled during said fourth time period and disabled otherwise;
• a transmitter interface, coupled to said transmitter, which receives a transmit data signal and in accordance therewith provides said modulation signal during said third time period;
• and
• a receiver interface, coupled to said receiver, which receives said demodulated signal and in accordance therewith provides a receive data signal during said fourth time period.

A radio frequency (RF) transceiver controller, comprising:

• a controller which is programmed to input and output a plurality of signals for time-division-duplexing transmit and receive operations of an RF transceiver according to the steps comprising:
• outputting transmit frequency data for tuning a phase-lock-loop (PLL) to provide a transmit RF signal;
• outputting a transmit enable signal for enabling an RF transmitter during a first time period and disabling said RF transmitter otherwise;
• outputting transmit data for use by said RF transmitter for modulating said transmit RF signal to provide a first modulated RF signal during a third time period;
• outputting receive frequency data for tuning said phase-lock-loop (PLL) to provide a receive RF signal;
• outputting a receive enable signal for enabling an RF receiver during a second time period to receive said receive RF signal and to receive and demodulate a second modulated RF signal containing receive data during a fourth time period and disabling said RF receiver otherwise, wherein said first and second time periods are mutually exclusive;
• and
• inputting said receive data.

A transceiver control method for selectively time-division-duplexing transmit and receive operations of a radio frequency (RF) transceiver, comprising the steps of:

• receiving a plurality of control signals and in accordance therewith generating a transmitter RF signal during a first time period and a receiver RF signal during a second time period, wherein said first and second time periods are mutually exclusive;
• receiving a transmit enable signal;
• receiving a modulation signal;
• modulating said transmitter RF signal in accordance with said transmit enable signal and said modulation signal to provide a first modulated RF signal during a third time period, wherein said modulating of said transmitter RF signal is enabled during said third time period and disabled otherwise;
• receiving a receive enable signal;
• receiving said receiver RF signal;
• receiving, down-converting and demodulating a second modulated RF signal in accordance with said receive enable signal and said receiver RF signal to provide a demodulated signal during a fourth time period, wherein said receiving, down-converting and demodulating of said second modulated RF signal is enabled during said fourth time period and disabled otherwise;
• receiving a transmit data signal and in accordance therewith providing said modulation signal during said third time period;
• and
• receiving said demodulated signal and in accordance therewith providing a receive data signal during said fourth time period.

A radio frequency (RF) transceiver in which transmit and receive operations are selectively time-division-duplexed, comprising:

• signal generator means for receiving a plurality of control signals and in accordance therewith generating a transmitter RF signal during a first time period and a receiver RF signal during a second time period;
• transmitter means coupled to said signal generator means for receiving said transmitter RF signal, a transmit enable signal and a modulation signal and in accordance therewith modulating said transmitter RF signal to provide a first modulated RF signal during a third time period;
• receiver means coupled to said signal generator means for receiving a receive enable signal and said receiver RF signal and in accordance therewith receiving, down-converting and demodulating a second modulated RF signal to provide a demodulated signal during a fourth time period;
• transmitter interface means coupled to said transmitter means for receiving a transmit data signal and in accordance therewith providing said modulation signal during said third time period, wherein said transmitter interface means comprises a digital filter for receiving and filtering said transmit data signal to provide said modulation signal, and wherein said digital filter comprises a look-up table for receiving said transmit data signal as an address input signal and providing said modulation signal as a data output signal;
• and
• receiver interface means coupled to said receiver means for receiving said demodulated signal and in accordance therewith providing a receive data signal during said fourth time period.

A radio frequency (RF) transceiver in which transmit and receive operations are selectively time-division-duplexed, comprising:

• a signal generator which receives a plurality of control signals and in accordance therewith generates a transmitter RF signal during a first time period and a receiver RF signal during a second time period;
• a transmitter, coupled to said signal generator, which receives said transmitter RF signal, a transmit enable signal and a modulation signal and in accordance therewith modulates said transmitter RF signal to provide a first modulated RF signal during a third time period;
• a receiver, coupled to said signal generator, which receives a receive enable signal and said receiver RF signal and in accordance therewith receives, down-converts and demodulates a second modulated RF signal to provide a demodulated signal during a fourth time period;
• a transmitter interface, coupled to said transmitter, which receives a transmit data signal and in accordance therewith provides said modulation signal during said third time period, wherein said transmitter interface comprises a digital filter which receives and filters said transmit data signal to provide said modulation signal, and wherein said digital filter comprises a look-up table which receives said transmit data signal as an address input signal and provides said modulation signal as a data output signal;
• and
• a receiver interface, coupled to said receiver, which receives said demodulated signal and in accordance therewith provides a receive data signal during said fourth time period.

A transceiver control method for selectively time-division-duplexing transmit and receive operations of a radio frequency (RF) transceiver, comprising the steps of:

• receiving a plurality of control signals and in accordance therewith generating a transmitter RF signal during a first time period and a receiver RF signal during a second time period;
• receiving a transmit enable signal;
• receiving a modulation signal;
• modulating said transmitter RF signal in accordance with said transmit enable signal and said modulation signal to provide a first modulated RF signal during a third time period;
• receiving a receive enable signal;
• receiving said receiver RF signal;
• receiving, down-converting and demodulating a second modulated RF signal in accordance with said receive enable signal and said receiver RF signal to provide a demodulated signal during a fourth time period;
• receiving a transmit data signal and in accordance therewith providing said modulation signal during said third time period by receiving and digitally filtering said transmit data signal to provide said modulation signal by receiving said transmit data signal as an address input signal and providing said modulation signal as a data output signal with a look-up table;
• and
• receiving said demodulated signal and in accordance therewith providing a receive data signal during said fourth time period.