Patent application number | Description | Published |
20090296636 | TRANSCEIVING APPARATUS AND DATA PROCESSING SYSTEM FOR COMMUNICATION BASE STATIONS - A base station apparatus adaptive for antenna arrays including at least one radio frequency (RF) header module, at least one data processing apparatus, and transceiving apparatus for transceiving data between the at least one radio frequency (RF) header module and the at least one data processing apparatus. The transceiving apparatus includes an uplink module to group data received by the RF header module according to grouping configuration information, and to transfer the grouped data to the data processing apparatus; and a downlink module to degroup the data from the data processing apparatus according to the grouping configuration information, and to transfer the degrouped data to the RF header module. Also provided are methods of receiving and sending data, and a computer readable article of manufacture tangibly embodying computer readable instructions for executing a computer implemented method of sending and receiving data for a base station. | 12-03-2009 |
20110075593 | WIRELESS COMMUNICATION TRANSCEIVER AND MODE-SWITCH DEVICE THEREOF - A wireless communication transceiver and a mode switch device thereof. The transceiver includes: a first band transmission path; a first band reception path; a second band transmission path; a second band reception path; a path switch and a control unit. In a dual band time division duplexing mode, the control unit controls the path switch so that the path switch connects a received radio frequency signal from an antenna to the first band reception path, and connects a transmitted radio frequency signal from the second band transmission path to the antenna in an odd cycle or an even cycle; and controls the path switch so that the path switch connects a received radio frequency signal from the antenna to the second band reception path, and connects a transmitted radio frequency signal from the first band transmission path to the antenna in another odd cycle or another even cycle. | 03-31-2011 |
20120134449 | SOFTWARE RADIO SYSTEM, DECODING APPARATUS AND METHOD THEREOF - The present invention relates to a software radio system and a decoding apparatus and method thereof. According to an embodiment of the present invention, there is provided a forward error correction decoding apparatus for a software radio system, including: a receiving module for receiving decoding tasks from a plurality of uplink channels; and a decoder matrix for executing the decoding tasks, wherein the decoder matrix is shared by the plurality of uplink channels. The decoding apparatus and method as well as the software radio system according to the embodiments of the present invention can be well adapted to the high computing capabilities, sufficient flexibility and scalability as required by base station systems for next-generation wireless communication systems. | 05-31-2012 |
20120140711 | TRANSCEIVING APPARATUS AND DATA PROCESSING SYSTEM FOR COMMUNICATION BASE STATIONS - A base station apparatus, methods of receiving and sending data, and a computer readable article of manufacture. A computer implemented method includes the following for receiving and sending data: receiving the data by an RF header module; grouping data received; transferring the grouped data to a data processing apparatus; distributing the grouped data into an uplink sub-channel; merging the distributed data using at least one downlink sub-channel; transferring the merged data to a transceiving apparatus; degrouping the merged data; and sending the merged data by RF header module. A method of receiving data, a method of sending data, and computer readable non-transitory articles of manufacture are also provided. | 06-07-2012 |
20120163299 | WIRELESS COMMUNICATION SYSTEM - A wireless communication system base station, and a remote radio head (RRH) and a computer-implemented synchronization method for the wireless communication system base station. The RRH is communicably coupled to a baseband unit (BBU) of the wireless communication system base station through a network, and the BBU processes and transmits downlink data to the RRH. The RRH includes: a time-delay measurement unit for measuring a time-delay for the downlink data to arrive at the RRH from the BBU; and a time-delay notification unit for notifying from the RRH to the BBU of time-delay data on the time-delay measured by the time-delay measurement unit, wherein the time-delay data is used to advance the starting time for the BBU to process and transmit the downlink data by an amount of time obtained based on the time-delay data. | 06-28-2012 |
20120300766 | WIRELESS COMMUNICATION SYSTEM - A wireless communication system base station, and a remote radio head (RRH) and a computer-implemented synchronization method for the wireless communication system base station. The RRH is communicably coupled to a baseband unit (BBU) of the wireless communication system base station through a network, and the BBU processes and transmits downlink data to the RRH. The RRH includes: a time-delay measurement unit for measuring a time-delay for the downlink data to arrive at the RRH from the BBU; and a time-delay notification unit for notifying from the RRH to the BBU of time-delay data on the time-delay measured by the time-delay measurement unit, wherein the time-delay data is used to advance the starting time for the BBU to process and transmit the downlink data by an amount of time obtained based on the time-delay data. | 11-29-2012 |
20120302273 | REDUCING SPECTRUM INTERFERENCE BETWEEN WIRELESS NETWORKS - A method and apparatus for reducing spectrum interference between wireless networks. This is realized by arranging at least one sub-coordinating apparatus, namely, a monitoring apparatus, in respective wireless network, and by arranging a coordinating apparatus, namely, an allocation apparatus in the whole network. Wherein, the sub-coordinating apparatus monitors the spectrum utilization situation of the wireless network where it is located, reports it to the coordinating apparatus, and requests the coordinating apparatus for spectrum resource when new spectrum resource is needed. The coordinating apparatus maintains the spectrum utilization information of each wireless network, and allocates appropriate spectrum resource to the sub-coordinating apparatus which requests spectrum resource based on the maintained information. Therefore, the interference of inter-wireless networks is reduced or even avoided through such overall management that the coordinating apparatus allocates corresponding spectrum resources to a plurality of wireless networks capable of sharing spectrum resources. | 11-29-2012 |
20120315942 | REDUCING SPECTRUM INTERFERENCE BETWEEN WIRELESS NETWORKS - A method and apparatus for reducing spectrum interference between wireless networks. This is realized by arranging at least one sub-coordinating apparatus, namely, a monitoring apparatus, in respective wireless network, and by arranging a coordinating apparatus, namely, an allocation apparatus in the whole network. Wherein, the sub-coordinating apparatus monitors the spectrum utilization situation of the wireless network where it is located, reports it to the coordinating apparatus, and requests the coordinating apparatus for spectrum resource when new spectrum resource is needed. The coordinating apparatus maintains the spectrum utilization information of each wireless network, and allocates appropriate spectrum resource to the sub-coordinating apparatus which requests spectrum resource based on the maintained information. Therefore, the interference of inter-wireless networks is reduced or even avoided through such overall management that the coordinating apparatus allocates corresponding spectrum resources to a plurality of wireless networks capable of sharing spectrum resources. | 12-13-2012 |
20130003674 | SHARING FREQUENCIES IN AN OFDM-BASED WIRELESS COMMUNICATION SYSTEM - A method and apparatus for sharing frequencies in an orthogonal frequency-division multiplexing OFDM-based wireless communication system, wherein the OFDM-based wireless communication system comprises a base station and a mobile device that work within a radio frequency band, the method comprising: detecting an interference signal in the radio frequency band; setting by the base station, based upon the interference signal, interference indication information in a control header of a downlink frame to be sent to the mobile device, the interference indication information indicating a frequency range that is occupied by the interference signal in the radio frequency band; and sending by the base station the downlink frame to the mobile device, such that the mobile device may, based upon the interference indication information, avoid the frequency range where the interference signal is located. | 01-03-2013 |
20130148601 | SHARING FREQUENCIES IN AN OFDM-BASED WIRELESS COMMUNICATION SYSTEM - A method and apparatus for sharing frequencies in an orthogonal frequency-division multiplexing OFDM-based wireless communication system, wherein the OFDM-based wireless communication system comprises a base station and a mobile device that work within a radio frequency band, the method comprising: detecting an interference signal in the radio frequency band; setting by the base station, based upon the interference signal, interference indication information in a control header of a downlink frame to be sent to the mobile device, the interference indication information indicating a frequency range that is occupied by the interference signal in the radio frequency band; and sending by the base station the downlink frame to the mobile device, such that the mobile device may, based upon the interference indication information, avoid the frequency range where the interference signal is located. | 06-13-2013 |
20130155879 | QUASI-DYNAMIC SPECTRUM ACCESS FOR INTERNET OF THINGS (IOT) APPLICATIONS - Spectrum access for Internet of things (IOT) applications including receiving information about expected use by a primary user of a spectrum band in a radio frequency spectrum. The spectrum band is classified into at least two working modes based on the expected use. The spectrum band is sensed to determine a current access pattern of the primary user. Based on the classifying and the sensing, one of the working modes is selected as a current working mode of the primary user. Transmissions are scheduled on the spectrum band using a current schedule that is responsive to the current working mode of the primary user. If the current working mode of the primary user changes, the sensing, selecting, scheduling, and determining whether the current working mode has changed are re-performed. Otherwise, the transmission scheduling and determining if the current working mode has changed are re-performed. | 06-20-2013 |
20130321181 | COMPRESSING AND DECOMPRESSING SIGNAL DATA - The present invention relates to data compression and decompression, and particularly relates to a method and an apparatus for compressing and decompressing signal data. In an embodiment of the present invention, there is disclosed a method for compressing signal data, comprising: obtaining signal data; determining block lengths of a plurality of data blocks into which the signal data are divided, and determining exponents of the data blocks; forming a mantissa sequence of the data block by using the exponent of the data block to compress signal data contained in the data block; and forming a compressed data block by using the block length, the exponent and the mantissa sequence of the data block. By constructing a variable-length data block adapted to dynamic characteristics of signal data, the method for compressing signal data of the present invention increases the compression ratio of signal data. | 12-05-2013 |
20130321182 | COMPRESSING AND DECOMPRESSING SIGNAL DATA - The present invention relates to data compression and decompression, and particularly relates to a method and an apparatus for compressing and decompressing signal data. In an embodiment of the present invention, there is disclosed a method for compressing signal data, comprising: obtaining signal data; determining block lengths of a plurality of data blocks into which the signal data are divided, and determining exponents of the data blocks; forming a mantissa sequence of the data block by using the exponent of the data block to compress signal data contained in the data block; and forming a compressed data block by using the block length, the exponent and the mantissa sequence of the data block. By constructing a variable-length data block adapted to dynamic characteristics of signal data, the method for compressing signal data of the present invention increases the compression ratio of signal data. | 12-05-2013 |
20130322336 | RADIO UNIT, BASEBAND PROCESSING UNIT AND BASE STATION SYSTEM - A radio unit configured to connect to a baseband processing unit includes a transformation unit configured to obtain uplink time domain signal data and transform the uplink time domain signal data into uplink frequency domain signal data; and a compression unit configured to compress the uplink frequency domain signal data by using a compression algorithm. | 12-05-2013 |
20130324176 | RADIO UNIT, BASEBAND PROCESSING UNIT AND BASE STATION SYSTEM - A radio unit configured to connect to a baseband processing unit includes a transformation unit configured to obtain uplink time domain signal data and transform the uplink time domain signal data into uplink frequency domain signal data; and a compression unit configured to compress the uplink frequency domain signal data by using a compression algorithm. | 12-05-2013 |
20140016579 | INTERFERENCE PROCESS OF INTERFERENCE SIGNAL - This invention relates to wireless signal process, and discloses a method for interference process of an interference signal in an OFDM based wireless communication system, comprising: receiving an interference signal; performing time domain and frequency domain analyses on the interference signal to obtain interference characteristics of the interference signal; determining an interference category of the interference signal according to the interference characteristics of the interference signal; and performing interference process on the interference signal in view of the interference category of the interference signal. The method for interference signal process of this invention is effective to both homogeneous network interference and heterogeneous network interference, so that frequency spectrum sharing of homogeneous networks and existing heterogeneous networks can be realized. | 01-16-2014 |
20140045511 | CONTENT SHARING AMONG MOBILE TERMINALS - A method for realizing content sharing among mobile terminals comprises: receiving an index of access content sent by a requesting mobile terminal; looking up a shareable content index table for the index of the access content; and sending identification information of a mobile terminal having the index of the access content to the requesting mobile terminal if the index of the access content is found, so that the requesting mobile terminal obtains the requested access content from the mobile terminal having the index of the access content via wireless communication. | 02-13-2014 |
20140092809 | TRANSMITTING AND RECEIVING DATA BASED ON MULTIPATH - Methods, apparatuses and systems for transmitting and receiving data based on multipath for transmitting data based on multipath include: establishing WiMAX connection-based multiple paths between a first device and a second device; transmitting data frames in a data queue in the multiple paths; obtaining the quality condition of the multiple paths; and based on the quality condition, adjusting the transmission of the data frames in the data queue in the multiple paths. According to one aspect, there is provided a method for receiving data based on multipath, which includes: establishing WiMAX connection-based multiple paths between a first device and a second device; receiving a plurality of data frames in the multiple paths; processing the received plurality of data frames based on quality condition of the multiple paths. There are further provided corresponding apparatuses and systems. | 04-03-2014 |
20140092887 | TRANSMITTING AND RECEIVING DATA BASED ON MULTIPATH - Methods, apparatuses and systems for transmitting and receiving data based on multipath for transmitting data based on multipath include: establishing WiMAX connection-based multiple paths between a first device and a second device; transmitting data frames in a data queue in the multiple paths; obtaining the quality condition of the multiple paths; and based on the quality condition, adjusting the transmission of the data frames in the data queue in the multiple paths. According to one aspect, there is provided a method for receiving data based on multipath, which includes: establishing WiMAX connection-based multiple paths between a first device and a second device; receiving a plurality of data frames in the multiple paths; processing the received plurality of data frames based on quality condition of the multiple paths. There are further provided corresponding apparatuses and systems. | 04-03-2014 |
20140293895 | INTERFERENCE PROCESSING FOR WIRELESS COMMUNICATION TERMINAL - A method and system for processing interference received by a wireless communication terminal. The method including: receiving interference information from the wireless communication terminal, wherein the interference information is used to identify an interfered sub-channel(s) of the wireless communication terminal; and adjusting a downlink resource allocated to the wireless communication terminal based on the interference information. The system including: a memory; a processor communicatively coupled to the memory; and a feature selection module communicatively coupled to the memory and the processor, wherein the feature selection module is configured to perform the steps of a method including: detecting interference received by a wireless communication terminal; identifying interfered sub-channel(s) of the terminal to obtain interference information of the terminal; and reporting interference information to a base station for the base station to adjust a downlink resource allocated to the terminal based on interference information. | 10-02-2014 |
20140321372 | HOME BASE STATION SYSTEM AND DATA ACCESS PROCESSING METHOD THEREOF - A home base station system and method for managing data caching. The home base station system includes: a plurality of home base stations used to provide wireless communication to at least one mobile terminal, wherein the plurality of home base stations are connected to a wide area network via a local area network, and wherein the plurality of home base stations are interconnected via a local area network; and a server, wherein the server is connected to the plurality of home base stations via the local area network, and wherein the server is used to manage caching of data in a home base station system. | 10-30-2014 |