Patent application number | Description | Published |
20090137258 | PROVISION OF DOWNLINK PACKET ACCESS SERVICES TO USER EQUIPMENT IN SPREAD SPECTRUM COMMUNICATION NETWORK - A method of providing a packetized data transmission service to a mobile terminal in a spread spectrum communication network, includes: at a transmitter, broadcasting an indication message to a cell on a downlink broadcast channel, the indication message providing notification of an available packetized data transmission service intended for the mobile terminal; at the mobile terminal, monitoring the broadcast channel for the indication message, and upon receipt, acknowledging detection of the indication message to the transmitter on an uplink contention channel; and at the transmitter, upon contention completion, transmitting packetized data transmission service configuration information to the mobile terminal on the broadcast channel. | 05-28-2009 |
20090279589 | ADAPTIVE PILOT STRUCTURE TO ASSIST CHANNEL ESTIMATION IN SPREAD SPECTRUM SYSTEMS - The present invention relates generally to methods for generating a dynamic pilot symbol structure in spread spectrum communication systems, and in particular to the use of pilot symbols by user equipment in channel estimation. In one form, the method includes, allocating basic pilot symbols ( | 11-12-2009 |
20110268071 | MULTIPLE COMPONENT CARRIER OFDMA COMMUNICATION SYSTEM - A method of enhancing a downlink channel coding structure in an OFDMA (orthogonal frequency division multiple access) communication system is provided. The method includes: segmenting a concatenation of multiple transport blocks amongst multiple component carriers; and separately performing link adaptation for each component carrier according to channel conditions experienced by that component carrier. | 11-03-2011 |
20120033751 | CHANNEL ESTIMATION FOR A CONTROL CHANNEL IN AN OFDM SYSTEM - A method of channel estimation for a control channel in an OFDM system of the present invention includes the steps of: performing weighted averaging over time of input LS estimates of a plurality of channel condition matrices; performing frequency domain averaging on the input LS estimates; performing channel estimates on multiple subcarriers of pilot OFDM symbols from the frequency domain averaged input LS estimates; and performing channel estimates on multiple subcarriers of OFDM symbols in the control channel from the channel estimates on the subcarriers of pilot OFDM symbols. | 02-09-2012 |
20120106596 | ADAPTIVE PILOT STRUCTURE TO ASSIST CHANNEL ESTIMATION IN SPREAD SPECTRUM SYSTEMS - The present invention relates generally to methods for generating a dynamic pilot symbol structure in spread spectrum communication systems, and in particular to the use of pilot symbols by user equipment in channel estimation. In one form, the method includes, allocating basic pilot symbols at the beginning of each data chunk and spread over the plurality of sub-carrier frequencies; and selectively replacing data symbols in each data chunk with adaptive pilot symbols according to the speed of the user equipment. | 05-03-2012 |
20120314669 | PROVISION OF DOWNLINK PACKET ACCESS SERVICES TO USER EQUIPMENT IN SPREAD SPECTRUM COMMUNICATION NETWORK - A method of providing a packetized data transmission service to a mobile terminal ( | 12-13-2012 |
20120314731 | PROVISION OF DOWNLINK PACKET ACCESS SERVICES TO USER EQUIPMENT IN SPREAD SPECTRUM COMMUNICATION NETWORK - A method of providing a packetized data transmission service to a mobile terminal ( | 12-13-2012 |
20130070678 | ADAPTIVE PILOT STRUCTURE TO ASSIST CHANNEL ESTIMATION IN SPREAD SPECTRUM SYSTEMS - The present invention relates generally to methods for generating a dynamic pilot symbol structure in spread spectrum communication systems, and in particular to the use of pilot symbols by user equipment in channel estimation. In one form, the method includes, allocating basic pilot symbols at the beginning of each data chunk and spread over the plurality of sub-carrier frequencies; and selectively replacing data symbols in each data chunk with adaptive pilot symbols according to the speed of the user equipment. | 03-21-2013 |
20130235951 | Transmit Diversity Scheme - The present invention relates to methods for implementing transmit diversity in a telecommunication network. In particular there is provided an algorithm for performing transmit diversity encoding in a transmitter ( | 09-12-2013 |
20140126513 | METHOD OF PROVIDING CONTROL INFORMATION FOR USER EQUIPMENT - A method of providing control information for user equipments (UEs) in communication with a base station over a wireless communication system includes: mapping at least one enhanced-physical downlink control channel (E-PDCCH) on at least one allocated pair of physical resource blocks (PRBs) according to an enhanced-control channel element (ECCE) structure including a variable number of resource element groups (REGs); and varying the number of REGs in an E-CCE structure. | 05-08-2014 |
20140301232 | APPARATUS AND METHOD FOR CSI CALCULATION AND REPORTING - A method of measuring Channel State Information (CSI) in a multiple input/multiple output (MIMO) communication system including at least one base station (eNodeB) and at least one User Equipment (UE), the method including: receiving a Channel State Information Reference Signal (CSI-RS) carried in a sub-frame of a radio frame of the communication system at the at least one UE from the at least one eNodeB over at least one downlink. channel therebetween; extracting CSI-RS Resource Elements (RE) from the CSI-RS sub-frame; and using the extracted CSI-RS REs to perform downlink channel estimations for active pairs of receiving and transmitting antennas of the UE and the eNodeB respectively to derive the CSI. | 10-09-2014 |
20140341141 | APPARATUS AND METHOD OF PROVIDING MACHINE TYPE COMMUNICATION - In a wireless communications network providing a machine-type communications (MTC) service, a portion of a frequency spectrum is allocated to a MTC device to communicate between a base station and other MTC devices. MTC system information is transmitted/received from/to the MTC device through the portion of the frequency spectrum and may include channel information. The portion of the frequency spectrum may be used for a Long Term Evolution (LTE) wireless communication network. | 11-20-2014 |
20140348090 | METHOD OF PROVIDING CONTROL INFORMATION FOR USER EQUIPMENT IN LTE COMMUNICATION SYSTEM - There is provided a method implemented in a base station ( | 11-27-2014 |