Patent application number | Description | Published |
20100027409 | Method for transmitting control signal - There is provided a method of enabling a user equipment to transmit a control signal to a base station. The method includes allocating a control signal to a control region on a subframe, the subframe comprising the control region for the control signal and a data region for user data, wherein different frequency bands within the control region are allocated to different user equipments, and transmitting the subframe in uplink direction. A control signal can be robustly transmitted under variance of channel condition. | 02-04-2010 |
20100067461 | METHOD OF TRANSMITTING CONTROL SIGNALS IN WIRELESS COMMUNICATION SYSTEM - A method of transmitting control signals in a wireless communication system includes multiplexing a first control signal with a second control signal in a slot, the slot comprising a plurality of orthogonal frequency division multiplexing (OFDM) symbols in time domain, the plurality of OFDM symbols being divided into a plurality of data OFDM symbols and a plurality of reference signal (RS) OFDM symbols, wherein the first control signal is mapped to the plurality of data OFDM symbols after the first control signal is spread by a base sequence in the frequency domain, the RS is mapped to the plurality of RS OFDM symbols, the second control signal is mapped to at least one of the plurality of RS OFDM symbols, and transmitting the first control signal and the second control signal in the slot. | 03-18-2010 |
20100091755 | METHOD OF TRANSMITTING SCHEDULING REQUEST IN A WIRELESS COMMUNICATION SYSTEM - A method of transmitting a scheduling request which is used to request a radio resource for uplink transmission includes configuring an uplink control channel for transmission of a scheduling request in a subframe, the subframe comprising two consecutive slots, a slot comprising a plurality of single carrier-frequency division multiple access (SC-FDMA) symbols, the scheduling request being carried by presence or absence of transmission of the uplink control channel, and transmitting the scheduling request on the uplink control channel. | 04-15-2010 |
20100110873 | METHOD OF TRANSMITTING SYNCHRONIZATION SIGNAL IN WIRELESS COMMUNICATION SYSTEM - A method of transmitting a synchronization signal includes generating a sequence P(k) for a synchronization signal from a Zadoff-Chu (ZC) sequence having the odd numbered length N, the sequence P(k) having the even numbered length N−I, mapping the sequence P(k) to subcarriers so that the sequence P(k) is halved with respect to a DC subcarrier, and transmitting the a synchronization signal in the subcarriers. Time/frequency ambiguity caused by a synchronization error can be avoided, and sequence detection errors can be decreased. | 05-06-2010 |
20100226324 | METHOD OF TRANSMITTING CONTROL SIGNALS IN WIRELESS COMMUNICATION SYSTEM - A method of transmitting a control signal includes transmitting a random access preamble on a random access channel (RACH) resource in a subframe, wherein the RACH resource includes a preamble period which is a time for transmitting the random access preamble and a cyclic prefix (CP) period which is a time for transmitting a CP, and transmitting a sounding signal on a single carrier-frequency division multiple access (SC-FDMA) symbol subsequent to the RACH resource in the subframe. | 09-09-2010 |
20100261472 | METHOD FOR PERFORMING CELL SEARCH PROCEDURE IN WIRELESS COMMUNICATION SYSTEM - A method for performing a cell search procedure by a user equipment in a wireless communication system includes receiving a primary synchronization signal (PSS), and obtaining a correlation value of the PSS to detect a multimedia broadcast multicast service (MBMS) indicator indicating whether a service is a dedicated MBMS. Accordingly, whether the service is the dedicated MBMS is indicated using a primary synchronization signal or a secondary synchronization signal used in an initial cell search process, and whether the service is the dedicated MBMS can be known without additional complexity. Therefore, cell search of a user equipment can be more effectively performed. | 10-14-2010 |
20100272210 | METHOD OF TRANSMITTING DATA FOR DIGITAL BROADCASTING IN WIRELESS COMMUNICATION SYSTEM - A method of transmitting data in a wireless communication system includes mapping first data to first symbols on a signal constellation, mapping second data assisting the first data to second symbols on the signal constellation, modulating the first symbols and the second symbols, and transmitting the modulated first symbols and the second symbols, wherein the distance between the first symbols is longer than that between the second symbols on the signal constellation. | 10-28-2010 |
20100278094 | METHOD OF TRANSMITTING DATA IN WIRELESS COMMUNICATION SYSTEM - A method of transmitting data in a wireless communication system includes preparing a frame including a unicast subframe for unicast data and an MBS (Multicast and Broadcast Service) subframe for MBS data; and transmitting the unicast data and the MBS data via the frame, wherein the MBS subframe includes an idle time during which data is not carried, and the idle time is arranged to be at the temporally latest position in the MBS subframe. An MBS frame structure for using an appropriate CP with respect to MBS signals transmitted from multi-cell is provided, so an unnecessary idle time can be reduced, and thus, the efficiency of limited radio resources can be improved. | 11-04-2010 |
20110019694 | Preamble Generation Method for Random Access in a Wireless Communication System - A method for generating a preamble for a random access in a wireless communication system is provided. The method includes: dividing a preamble sequence into sequence subsets each corresponding to each of a plurality of antennas; and generating a preamble by using the sequence subsets corresponding to each of the plurality of antennas. A method for generating a preamble for a random access supporting multiple antennas in a wireless system can be provided. | 01-27-2011 |
20110070850 | PREAMBLE TRANSMISSION METHOD IN A MULTIPLE ANTENNA SYSTEM - A method of transmitting a preamble for synchronization in a multiple-antenna system includes applying a masking sequence to a plurality of preambles, and transmitting each of the plurality of preambles, to which the masking sequence is applied, through each of a plurality of transmit antennas. In a multiple-antenna system, deterioration of reception performance for a preamble can be reduced. | 03-24-2011 |
20110090986 | METHOD FOR TRANSMITTING DATA IN WIRELESS COMMUNICATION SYSTEM - A data transmission method in a wireless communication system is provided. The method includes allocating a plurality of pilot resources for supporting pilot transmission through a plurality of antennas, and if there are residue pilot resources not used in the pilot transmission among the plurality of pilot resources, transmitting data by using the residue pilot resources. | 04-21-2011 |
20110126071 | METHOD AND APPARATUS OF TRANSMITTING INFORMATION IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus of transmitting information in a wireless communication system are provided. The method includes transmitting first information based on a first resource index through a first antenna and transmitting second information based on a second resource index through a second antenna. | 05-26-2011 |
20110142000 | METHOD AND APPARATUS FOR THE TRANSMISSION OF A CONTROL SIGNAL IN A RADIO COMMUNICATION SYSTEM - The present invention provides a method and an apparatus for the transmission of control signal in a radio communication system. The method includes the steps of processing first control information on the basis of a first resource index to create a first control signal, processing second control information on the basis of a second resource index to create a second control signal, and transmitting the first control signal and the second control signal. | 06-16-2011 |
20110170489 | METHOD AND APPARATUS OF TRANSMITTING INFORMATION IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus of transmitting information in a wireless communication system are provided. The method includes transmitting information based on a first resource index through a first antenna and transmitting the information based on a second resource index through a second antenna. | 07-14-2011 |