30 results about "Absolute radio-frequency channel number" patented technology

Embodiments of the present invention include devices, systems and methods for preventing dropped calls. For example, methods for wireless communication are described. The wireless communication device begins to capture. Using a wideband receiver, a scan is performed for the absolute radio frequency channel numbers of the supported frequency bands. Identify the absolute radio frequency channel number that includes the frequency correction channel. The synchronization channel is decoded using data corresponding to the identified one or more frequency correction channels. Furthermore, other aspects, embodiments and features are claimed and described.

The invention discloses an access attempt method of a terminal. The access attempt method comprises the following steps: acquiring a frequency band range supported by the terminal; acquiring an E-UTRA absolute radio frequency channel number (EARFCN) of a cell; converting the EARFCN of the cell into actual frequency information when the EARFCN of the cell is not matched with the EARFCN supported by the terminal; and determining that the terminal can perform a subsequent access operation when the actual frequency information falls into the frequency band range supported by the terminal. The invention also discloses a terminal and an access attempt device thereof at the same time.

The invention relates to voice processing, and particularly discloses a noise suppression method and equipment. In the invention, a noise suppression factor is calculated according to a formula, n refers to frame number, k refers to absolute radio frequency channel number, Gn[k] refers to the noise suppression factor of the kth frequency point in the nth frame, (gamma)n[k] refers to the posterior signal-to-noise ratio of the kth frequency point in the nth frame, (xi)n[k] refers to the priori signal-to-noise ratio of the kth frequency point in the nth frame, and lambda refers to an exponential factor. No musical tone exists in the processed residual noise, and the calculation complexity is greatly reduced, so that the noise is simply and efficiently suppressed.

The invention relates to a method for establishing and applying a neighboring cell of a small cell and belongs to the mobile communication field. The method comprises the following steps: initially electrifying the small cell; after the small cell is electrified, firstly searching a nearby macro eNB, acquiring a synchronizing signal of the macro eNB, and synchronizing the small cell to the macro eNB; searching nearby small cell deployment condition according to self capability by the small cell, searching all the nearby small cells and macro eNBs, and arranging according to signal strength to form a neighboring cell list, wherein information of the neighboring cell list includes a cell frequency point ARFCN (absolute radio frequency channel number) and a cell identity; and after normal initial starting up of the small cell is completed, adding the searched neighboring cell list into a system message, and according to a message broadcasting process, periodically broadcasting the neighboring cell list of the small cell. The method provided by the invention is applicable to configuration of the neighboring cell list in a current highly dense small cell scene, better user experience is provided, a mobile terminal is prevented from starting a blind search process, and power consumption of a mobile terminal is reduced.

The invention relates to the field of mobile communication, in particular to a technology for determining the center frequency point of a carrier in a wireless communication system. In a method for determining the center frequency point of the carrier, the center frequency point of the carrier for communication between the base station and the UE is determined according to the starting frequency point of the frequency band, the absolute radio frequency channel number, the frequency band offset and the relative radio frequency channel number. Through the solution provided by this application, the time for the terminal to search for a cell can be reduced, the power consumption of the terminal can be reduced, and the battery life can be prolonged.