摘要:
The disclosure relates to a method for processing a communication path in a portable communication device, which includes: identifying whether at least some of a plurality of active elements included in a communication circuit disposed between an antenna and a communication processor are in an abnormal state and, based on an abnormal state of a first active element supporting delivery of a signal of a first frequency band among the plurality of active elements being detected, controlling the portable communication device to deliver the signal of the first frequency band based on a second active element different form the first active element among the plurality of active element, and a portable communication device supporting the same.
摘要:
A plurality of modulation signals is generated. Each of the plurality of modulation signals includes a pilot symbol sequence having a plurality of pilot symbols. Each pilot symbol sequence is inserted at a same temporal point in each modulation signal, and each pilot symbol in the pilot symbol sequence has a non-zero amplitude. A quantity of the plurality of pilot symbols in each pilot symbol sequence is greater than or equal to a quantity of the plurality of modulation signals to be transmitted. The plurality of modulation signals are transmitted in an identical frequency band from a plurality of antennas. Each of the transmitted plurality of modulation signals includes transmission data and one of the pilot symbol sequences.
摘要:
A transmitting station includes a transmitting antenna whose orientation direction is changeable, and a controller that controls the orientation direction of the transmitting antenna according to an orientation direction of the transmitting antenna determined together with receiving stations to receive data transmitted from the transmitting antenna based on estimate values of received signal quality at receiving stations that are candidates for receiving stations to receive data transmitted from the transmitting antenna. The transmitting station can maintain received signal quality at a plurality of receiving stations at a desired value or more in a data transmission system.
摘要:
An autonomous radio controlling method and a system thereof are disclosed herein, in which the autonomous radio controlling method includes: antenna combinations of an antenna matrix are switched. Signal-to-interference ratios (SIRs) and received signal strength indicator (RSSI) values of the antenna combinations are respectively through a first computing process to generate first computed SIRs and first computed RSSI values. The SIRs are through a second computing process to generate second computed SIRs. A relation between a minimum of the second computed SIRs and a first threshold is determined, and further a relation between a minimum of the first computed SIRs and a first range, or a relation between a minimum of the first computed RSSI value and a second range is determined to control an autonomous radio system to operate in a first mode or a second mode.
摘要:
A method performed in an electronic device is provided. The method includes: collecting operation information on at least one of a data communication operation, a paging operation, and a voice communication operation of a first antenna, a second antenna, or a third antenna; determining at least one antenna to be used of the first antenna, the second antenna, and third antenna based on at least part of the collected operation information; and performing communication by using the determined antenna.
摘要:
Described herein are one or more apparatus, that at least partially synchronize with a first radio-frequency signal from a first antenna element, of an array of spatially distributed antenna elements in a multi-antenna array receiver, to determine the position of at least one of a repeated guard interval in the first radio-frequency signal from the first antenna element, the repeat occurring at a particular defined characteristic interval. The apparatus then use the determined position of the at least one guard interval in the first radio-frequency signal to switch to a second radio-frequency signal from a second antenna element, of the array of spatially distributed antenna elements in a multi-antenna receiver, and further determine a relative orientation of the multi-antenna receiver from a transmitter of the radio-frequency signals using characteristics determined for the first and second radio-frequency signals following the at least respective partial synchronizations.
摘要:
A mobile wireless device adapts receive diversity during discontinuous reception based on downlink signal quality, page indicators and page messages. When the downlink signal quality exceeds a pre-determined threshold, the mobile wireless device decodes a page indicator channel through an initial antenna, and otherwise, decodes a paging channel through the initial antenna without decoding the page indicator channel. The mobile wireless device switches to decoding the paging channel through an alternate antenna when a page indicator decodes as an erasure. When a paging message received through a single antenna decodes with an incorrect error checking code, the mobile wireless devices enables receive diversity through multiple antennas for subsequent decoding. The mobile wireless device switches between single antenna reception and multiple antenna reception based on tracking multiple consecutive error checking code failures and successes.
摘要:
Apparatuses may be provided that contain wireless communications circuitry. The wireless communications circuitry may include radio-frequency transceiver circuitry coupled to multiple antennas. Signal strength measurements may be gathered using the antennas and corresponding signal strength difference measurements may be produced to reflect which of the antennas is exhibiting superior performing. Information may be gathered relating to the fading environment of the communications circuitry, such as whether the wireless communications circuitry is transitioning between a fast fading environment and a slow fading environment. For example, the wireless communications circuitry may further include a satellite positioning system receiver or an accelerometer, which may be used in gathering the information. The difference measurements may be filtered and compared to antenna switching criteria such as antenna switching thresholds. An antenna switching threshold may be adjusted in real time based at least in part on the gathered information.
摘要:
A system and method for dynamically tuning antenna elements is disclosed. The method comprises: receiving requests to capture over the air broadcasts; selecting an antenna element from a group of available antenna elements to capture one of the requested over the air broadcasts; applying default settings to tune the selected antenna element to capture the one of the requested over the air broadcasts; and dynamically tuning the selected antenna element to enhance reception of the one of the requested over the air broadcasts. The method may further comprise measuring parameters toward optimizing the selected antenna element. The method may also include maintaining the tuning of the selected antenna element until the received request is automatically released because time has elapsed. The method may additionally include recording and/or streaming the requested broadcast to an end-user.
摘要:
A transmission apparatus includes a plurality of orthogonal frequency division multiplexing (OFDM) modulation signal generators, which generate a first OFDM modulation signal and a second OFDM modulation signal. The transmission apparatus also includes a transmitter that transmits the first OFDM modulation signal from a first antenna and the second OFDM modulation signal from a second antenna, in an identical frequency band. A reception apparatus is provided, which includes a plurality of antennas that receive a plurality of OFDM modulation signals; a plurality of OFDM demodulators that transform the plurality of OFDM modulation signals to a plurality of reception signals using Fourier transform; an estimator that outputs a distortion estimation signal using one or more symbols for demodulation included in the plurality of reception signals; and a demodulator that compensates for distortion of the reception signals using the distortion estimation signal and demodulates a data symbol included in the reception signals.