Patent application number | Description | Published |
20100226337 | METHOD AND APPARATUS FOR CELL/SECTOR COVERAGE OF A PUBLIC CHANNEL THROUGH MULTIPLE ANTENNAS - A method for cell/sector coverage of a public channel through multiple antennas includes: dividing the physical resource for transmitting public channel signals in a frame into N physical resource blocks; generating N weighting vectors, where: each weighting vector comprises M weighting coefficients, M is equal to the number of antennas, and the difference of average antenna gain for N weighting vectors in different directions of a whole cell/sector is less than a preset value; selecting one of the N weighting vectors for each of the N physical resource blocks respectively, where the weighting vector varies with different physical resource blocks; and using the M weighting coefficients in the selected weighting vectors to weight the public channel signals in M antennas respectively, and transmitting the weighted public channel signals through the M antennas. In addition, an apparatus for cell/sector coverage of a public channel through multiple antennas is disclosed. | 09-09-2010 |
20110044402 | Method and Apparatus for Transmitting Signals in a Multiple Antennas System - A method and apparatus for transmitting signals in a Multiple Antennas System (MAS) are disclosed. The method includes performing Alamouti coding on each group of common channel symbols to form two branches; selecting different weight vectors for different branches to perform beamforming, obtaining transmitting signals of each branch on each antenna, where beam modes corresponding to different weight vectors are uncorrelated and the peak-to-average power ratio of angle dimension of the two beam modes are lower than a preset threshold; and superimposing the transmitting signals of these two branches on each antenna, and transmitting the superimposed signals. In the present invention, the Alamouti coding is introduced, and a spatial diversity gain is generated by using the independence of two virtual channels. Thus, the performance of the MAS in full coverage is enhanced. | 02-24-2011 |
20130044029 | METHOD, APPARATUS, AND SYSTEM FOR CONTROLLING MULTI-ANTENNA SIGNAL TRANSMISSION - A method for controlling multi-antenna signal transmission includes: at a first transmission time, selecting a weight vector of a signal beam whose fluctuation in angle dimension is smaller than a preset value as a first basic weight vector; weighting a signal of each antenna array element in a multi-antenna system by using the first basic weight vector, to obtain a first weighted signal on each antenna array element; and delaying the first weighted signal on each antenna array element for a corresponding set time period, so that the multi-antenna system has different transmission modes at different frequencies, and transmitting each delayed first weighted signal through its corresponding antenna array element. | 02-21-2013 |
20130064130 | Method for dynamically adjusting switching loop and network equipment - The disclosure provides a method for dynamically adjusting a switching loop. The method comprises the following steps: a network equipment in the switching loop determines current link costs of all links connected with the network equipment, wherein the network equipment determines the current link costs of the links according to initial link costs and link adjustment parameters of the links (S | 03-14-2013 |
20130076566 | Method and Apparatus for Transmitting Broadcast Signal - The present invention provides a method and an apparatus for transmitting a broadcast signal. The method includes: performing dividing processing on an antenna array in a multi-antenna system to obtain multiple subarrays; obtaining a basic weight vector of each subarray among the multiple subarrays, where the basic weight vector makes a beam peak-to-average power ratio of each subarray lower than a preset threshold and makes beam patterns of different subarrays complementary to each other in a direction dimension; performing, according to a weight coefficient in each basic weight vector, weighted processing on a transmit signal of an array element in a subarray corresponding to the each basic weight vector to obtain a first signal and use the array element to transmit the first signal. The present invention implements full coverage of the broadcast signal from the multi-antenna system in all directions in a cell or a sector. | 03-28-2013 |
20130108062 | DEVICE AND METHOD FOR DIAGNOSING AUDIO CIRCUITRY | 05-02-2013 |
20130308726 | METHOD AND APPARATUS FOR SENDING SIGNALS - Embodiments of the present invention disclose a method and an apparatus for sending signals to suppress outband interference effectively in a simple way. The method of the present invention includes: grouping subcarriers in a spectrum into edge subcarriers of the spectrum and non-edge subcarriers of the spectrum; precoding data to be sent to obtain modulated symbols of the data on the subcarriers, where the precoding makes every two adjacent edge subcarriers of the spectrum in the edge subcarriers of the spectrum carry a pair of modulated symbols with opposite polarities, and makes each of the non-edge subcarriers of the spectrum carry a modulated symbol with no polarity; and sending the modulated symbols of the data on the subcarriers. The embodiments of the present invention are applicable to a signal sending process. | 11-21-2013 |
20140004909 | Electronic Terminal and Ring Prompt Method of the Electronic Terminal | 01-02-2014 |
20140171095 | METHOD FOR REDUCING INTER-FEMTOCELL INTERFERENCE AND FEMTOCELL BASE STATION - The present invention discloses a method for reducing inter-Femtocell interference, including: obtaining an average channel gain of all available channels; determining whether the average channel gain is greater than a preset threshold; if the average channel gain is greater than the preset threshold, determining, by using spectrum sensing, a P channel and an N channel, where the P channel is one or more available channels causing greatest interference and the N channel is one or more available channels suffering greatest interference; and transmitting or receiving a signal in an available channel other than the P channel and the N channel. | 06-19-2014 |
20150043525 | USER PAIRING METHOD, DEVICE AND SYSTEM FOR REALIZING USER SCHEDULING - Embodiments of the present invention disclose a user pairing method, a device and a system for realizing user scheduling. The method comprises: determining a first user of a time-frequency resource according to a preset resource allocation criterion; searching a preset pairing table according to a downlink channel state quantization code of the first user; and obtaining a paired downlink channel state quantization code which is paired with the downlink channel state quantization code of the first user, wherein the preset pairing table includes a pairing relationship among the downlink channel state quantization codes obtained by pre-calculating; identifying a paired user of the first user from users to be paired, wherein a downlink channel state quantization code of the paired user is the same as the paired downlink channel state quantization code. Through adopting of the present invention, complexity of real-time calculation of pairing during user scheduling can be lowered. | 02-12-2015 |