Method for reducing the energy consumption in a wireless communication terminal and communication terminal implementing said method

• Main Authors: PERRAUDEAU, JACQUES, LO HINE TONG, DOMINIQUE, LE NAOUR, JEAN-YVES, DENIS, BERNARD, LOUZIR, ALI
• Format: Patent
• Language: English; French; German
• Published: 22.05.2013
• Subjects: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION ANDCOMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION ANDCOMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THIR OWNENERGY USE; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; WIRELESS COMMUNICATIONS NETWORKS

The invention relates to a wireless communication terminal able to transmit and/or receive video, audio or data signals in a first and a second frequency band comprising a first MIMO circuit (1) of N paths (N ‰¥ 1) operating in the first frequency band and a second MIMO circuit (2) of M paths (M ‰¥ 1) operating in the second frequency band, the first and second MIMO circuits each being coupled to front-end modules (10, 20) comprising respectively N and M power amplifiers, the front-end modules being connected to an antenna system. It comprises a command circuit (4) connected at input to the first and second MIMO circuits to receive and process control data, the command circuit output controlling M (if M < N) or N (if N < M) switching circuits for which the inputs are connected to one of the M paths of the second MIMO circuit and for which an output is connected to one of the M power amplifiers, the other output being connected to one of the N power amplifiers via a summation circuit for which the other input is connected to one of the N paths of the MIMO circuit.