Mediatek Corporation

Ting-Che Tseng

Yuan Chen

Hong-Kai Hsu

Wen-Ying Chien

Wei-Lun Wan

Chia-Ming Chang

Li-Chun Ko

Chih-Hao Yeh

I-Lin Hsieh

Jwo-An Lin

Wei-Kun Su

Yen-Shuo Lu

Chin-Yang Hsieh

Che-Wei Huang

Ho-Chi Huang

Tsai-Yuan Hsu

Ying-Che Hung

Po-Hsun Huang

Ray-Kuo Lin

Yu-Ming Wen

Chen-Feng Liu

En-Chieh Hsia

Shun-Pin Yang

Teng-Wei Huang

Yen-Wen Yang

Chia-Wei Dai

Chih-Hsiu Lin

Wei-Chen Wang

Chi-Lun Hsu

Meng-Hsiang Lai

Hung-Chang Tsai

Kuo-Tai Chiu

Gui-Lin Chen

You-Chin Chang

Kin-Man Sun

En-Chia Hsia

Zih-Yin Ding

The present invention provides a control method of an electronic device is disclosed, wherein the electronic device includes a first antenna and a second antenna. The control method includes the steps of: setting one of the first antenna and the second antenna as a default antenna; receiving a plurality of packets within an interval; for each of the plurality of packets, comparing a signal strength corresponding to the first antenna and a signal strength of the second antenna to generate a first comparison result; updating a first value or a second value according to the first comparison result; comparing the first value and the second value to generate a second comparison result when running out the interval; and selecting one of the first antenna and the second antenna to be the default antenna according to the second comparison result.

Adaptive antenna diversity

An apparatus is provided, which includes a first device, a second device, and a control circuit. The first device is configured to establish a wireless link with a wireless communication device in a first communication channel. The second device is configured to perform a first scan on a second communication channel to detect whether there are any radar signals on the second communication channel for a predetermined period of time. In response to the first scan satisfying a predetermined condition, the control circuit controls the first device to move the wireless link from the first communication channel to the second communication channel.

Method for zero-wait dynamic frequency selection and apparatus using the same

A wireless communication includes a control circuit and a receiver (RX) circuit. The control circuit obtains indicator information from another wireless communication system, identifies a transmitter (TX) and receiver (RX) packet delivery scenario as one of a packet overlapping scenario and a packet non-overlapping scenario according to the indicator information, and generates RX gain control information in response to the TX and RX packet delivery scenario. The RX circuit refers to the RX gain control information to set an RX gain used for receiving data.

Wireless communication system using one or more throughput enhancement techniques

A wireless communication method includes: obtaining operational information of a first wireless communication system; in response to the operational information of the first wireless communication system, adjusting a wireless communication configuration of a second wireless communication system to set an adjusted wireless communication configuration for the second wireless communication system; and performing, by the second wireless communication system, wireless communication under the adjusted wireless communication configuration. The first wireless communication system and the second wireless communication system co-exist in a same electronic device.

Method and apparatus for improving wireless communication performance under coexistence of multiple wireless communication systems in same electronic device

The present invention provides a wireless communication circuitry including a processor, a communication path and a channel detection path. The communication path is configured to wirelessly communicate with an electronic device by using a first channel. The channel detection path is configured to detect at least one channel different from the first channel to generate a detection result while the communication path is wirelessly communicating with the electronic device by using the first channel. The processor determines a second channel based on the detection result, and the processor controls the communication path to switch to the second channel from the first channel to communicate with the electronic device.

Wireless communication circuitry and wireless communication method

A communication apparatus is provided. The communication apparatus includes an RF module for receiving an RF signal, and a down converter, coupled to the RF module, for down converting the RF signal in response to a channel select signal to generate a converted signal. The channel select signal controls the down converter to sweep a plurality of scan trains during a scan frame, and each of the scan trains comprises a plurality of channels, wherein a total channel number of the plurality of scan trains is N, where 32&#x2266;N&#x2266;78. The communication apparatus also includes a detector, coupled to the down converter, for determining whether the RF signal comprises an ID packet according to the converted signal corresponding to the channels of the plurality of scan trains.

Communication apparatus and bluetooth ID packet recognition method thereof

A communications apparatus is provided. A signal processing device receives an RF signal comprising a wanted signal complying with a first wireless communications protocol from an air interface and processes the RF signal according to one or more signal processing parameter(s) to obtain the wanted signal. An interference detector analyzes one or more characteristic(s) of an interference signal of the wanted signal. The interference signal complies with a second wireless communications protocol different from the first wireless communication protocol. A coexistence optimization controller is coupled to the signal processing device and the interference detector, obtains information regarding the characteristic(s) of the interference signal from the interference detector and dynamically adjusts the signal processing parameter(s) according to the characteristic(s) of the interference signal.

Method for dynamically adjusting signal processing parameters for processing wanted signal and communications apparatus utilizing the same

A communication apparatus is provided. The communication apparatus includes an RF module, a down converter coupled to the RF module and a detector coupled to the down converter. The RF module receives an RF signal. The down converter down converts the RF signal in response to a channel select signal to generate a converted signal, wherein the channel select signal controls the down converter to alternately sweep a plurality of scan trains during a scan frame, and each of the scan trains comprises a plurality of channels. The power detector determines whether the RF signal comprises an ID packet according to the converted signal corresponding to the channels of the plurality of scan trains.

A wireless communications includes a first wireless communications and a second wireless communications. The first wireless communications module transmits or receives a first wireless signal in a first frequency band selected from a first frequency range. The second wireless communications module transmits or receives a second wireless signal in a second frequency band selected from a second frequency range, and adjusts a transmission power of the second wireless signal in response to that a frequency offset between the first frequency band and the second frequency band falls within a predetermined range. The first wireless communications module is further configured to determine an in-band range in the overlapping part of the first and second frequency ranges, and a transmission power of the second wireless signal is adjusted in response to a frequency offset between the first frequency band and the second frequency band.

Systems and methods for reducing interference between a plurality of wireless communications modules

A communications apparatus is provided. A radio frequency (RF) circuit is arranged to receive an RF signal from an antenna and process the RF signal according to one or more RF parameters to generate an intermediate signal. A signal processing unit is arranged to process the intermediate signal to generate a processed signal and generates signal processing information regarding requirements for processing the intermediate signal. An RF circuit controller is coupled to the RF circuit and the signal processing unit and arranged to dynamically adjust the RF parameters according to the signal processing information.

Method for dynamically adjusting one or more RF parameters and communications apparatus utilizing the same

A wireless communications system is provided with a first wireless communications and a second wireless communications. The first wireless communications module transmits or receives a first wireless signal in a first frequency band selected from a first frequency range. The second wireless communications module transmits or receives a second wireless signal in a second frequency band selected from a second frequency range, and adjusts a transmission power of the second wireless signal in response to that a frequency offset between the first frequency band and the second frequency band falls within a predetermined range.

A communication method employed in a wireless communication system including a first communication device and a second communication device is provided. The communication method includes: setting up a connection between the first and second communication devices; after the connection is set up, checking if both the first and second communication devices provide a symbol mapping function for converting a first modulation/demodulation to a second modulation/demodulation different from the first modulation/demodulation; and when both the first and second communication devices provide the symbol mapping function, using the second modulation/demodulation to replace the first modulation/demodulation so that each of the first and second communication devices communicates with each other by using the second modulation/demodulation.

Communication methods employed in communication system associated with programmable communication protocols, and related transmitting methods, receiving methods and communication device

A signal converter. The signal converter converts an analog inphase signal and an analog quadrature phase signal into a digital baseband inphase signal and a digital baseband quadrature phase signal. The analog inphase signal and the analog quadrature phase signal are orthogonal to each other and are carried in a predetermined intermediate frequency. The digital baseband inphase signal and the digital baseband quadrature phase signal are carried in zero frequency. The signal converter comprises a signal combiner combining the analog inphase signal and the analog quadrature phase signal to obtain an analog combined signal, an analog to digital converter converting the analog combined signal to a digital combined signal, and a signal separator separating the digital combined signal to obtain the digital baseband inphase signal and the digital baseband quadrature phase signal.

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Hsinchu, Taiwan

Ting-Che Tseng