Abstract: A method for correcting errors in a multiple antenna system based on a plurality of sub-carriers and a transmitting/receiving apparatus supporting the same are disclosed. The method includes determining a phase shift based precoding matrix phase shifted at a predetermined phase angle, initially transmitting each sub-carrier symbol to a receiver in a packet unit by using the phase shift based precoding matrix, reconstructing the phase shift based precoding matrix to reduce a spatial multiplexing rate if a negative reception acknowledgement (NACK) is received from the receiver, and retransmitting the initially transmitted sub-carrier symbol by using the reconstructed phase shift based precoding matrix or by changing the phase shift based precoding matrix using offset information fed back from the receiver or random offset information.
Type:
Grant
Filed:
July 6, 2007
Date of Patent:
November 13, 2012
Assignee:
LG Electronics Inc.
Inventors:
Moon Il Lee, Bin Chul Ihm, Jin Young Chun
Abstract: A transmitting system, a receiving system, and a method of processing a broadcast signal are disclosed herein. The receiving system include a tuner, a demodulator, a block decoder, an RS frame decoder, and a service manager. The tuner receives a broadcast signal. Herein the broadcast signal includes mobile service data, a service map table signaling access information of the mobile service data, and a plurality of known data sequences. The mobile service data and the service map table are packetized to an RS frame. The demodulator demodulates the received broadcast signal. The block decoder turbo-decodes the mobile service data and the service map table included in the demodulated broadcast signal in block units. The RS frame decoder forming an RS frame including the turbo-decoded mobile service data and service map table, performs primary first cyclic redundancy check (CRC)-decoding and RS-decoding, and performs secondary CRC-decoding on the primarily CRC-decoded and RS-decoded RS frame.
Type:
Grant
Filed:
March 15, 2010
Date of Patent:
November 13, 2012
Assignee:
LG Electronics Inc.
Inventors:
Hyoung Gon Lee, Byoung Gill Kim, Jeong Woo Kim, Won Gyu Song, Min Sung Kwak, Jae Hyung Song, In Hwan Choi, Jin Woo Kim
Abstract: The present invention relates to a mobile terminal. Specifically to a mobile terminal including a display including a touchscreen, a sensing unit for sensing an object in near-proximity to the touchscreen, a controller for altering an image appearing on the display according to at least one of a duration of the object near the touchscreen and a distance of the object away from the touchscreen.
Abstract: A method of generating MAC header and a method of transmitting data using the generated MAC header are disclosed. A mobile station can receive a message from a base station, the message including an indicator for identifying a service flow (SF). If the mobile station is connected with the base station to generate the service flow, the mobile station and the base station can map the service flow with the indicator. Accordingly, the base station can generate MAC header, which includes the indicator and a parameter representing whether the MAC header has been compressed.
Abstract: The present invention relates to link layer status information using a media independent handover module in a mobile communication system, wherein packet loss attributed to congestion can be identified from packet loss attributed to non-congestion. Preferably, the present invention comprises establishing communication between a mobile terminal and at least one of a homogeneous and heterogeneous network, reporting status information of a radio link connecting the mobile terminal and the at least one of a homogeneous and heterogeneous network to a heterogeneous network handover module of the mobile terminal, and reporting the status information of the radio link from the heterogeneous network handover module to an upper management entity of the mobile terminal if the heterogeneous network handover module determines a predetermined condition is satisfied.
Abstract: Disclosed is a method of performing procedures for network entry of a mobile station in a broadband wireless access system. The method includes being allocated with transmission parameters from a base station, at least one time performing a request of an uplink band for transmission of an uplink management message to the base station, and receiving a downlink message for next procedure from the base station if the uplink band is not allocated even after the lapse of a preset time period.
Abstract: A random access method in a wireless communication system is disclosed. The present invention includes transmitting a bandwidth request indicator and a quick access message from a mobile station to a base station and starting a timer having a timer value determined according to an acknowledgement from the base station.
Type:
Grant
Filed:
September 3, 2009
Date of Patent:
November 13, 2012
Assignee:
LG Electronics Inc.
Inventors:
Hee Jeong Cho, Ki Seon Ryu, Su Nam Kim, Doo Hyun Sung, Yong Ho Kim, Young Soo Yuk
Abstract: A band adaptive modulation and coding method sharing resources with neighboring base stations and a mobile station supporting the same are disclosed. The mobile station identifies a channel status for each band by periodically scanning a neighboring base station, and requests a service base station to convert a current mode to a band sharing AMC mode if the identified channel stats satisfies a predetermined condition. The mobile station can use CQICH of 4 bits or 6 bits to request mode conversion. Selectively, the service base station can request the mobile station of channel status information of a neighboring base station to determine mode conversion.
Type:
Grant
Filed:
May 6, 2008
Date of Patent:
November 6, 2012
Assignee:
LG Electronics Inc.
Inventors:
Ae Ran Youn, Bin Chul Ihm, Yong Ho Kim, Ki Seon Ryu
Abstract: A mobile terminal is provided. The mobile terminal includes an upper body, a lower body, and a slide module connecting the upper and lower bodies, where the slide module is configured to slidably move the upper body in a first linear motion relative to the lower body and to tilt the upper body at an angle relative to the lower body in a second motion. The slide module includes an upper slide member fixed to the upper body, a lower slide member fixed to the lower body, and at least one cam portion formed on the upper slide member such that the at least one cam portion is configured to contact the lower slide member when the upper slide member is moved toward an open configuration using the first motion, wherein the contact causes the upper slide member to tilt when the upper slide member is moved to the open configuration using the second motion.
Abstract: Methods for allocating and choosing dedicated signatures for random access are provided. Options for allocating dedicated signatures include allocating the dedicated signatures from unused space of a random signature root index when there is unused space and allocating more dedicated signatures from the same root index using the same time/frequency resources if additional signatures are needed, and reserving some preambles from contention-based random access preambles from both sets of preambles. The dedicated signatures may be reserved in each of two sets of preambles.
Type:
Grant
Filed:
August 14, 2008
Date of Patent:
November 6, 2012
Assignee:
LG Electronics Inc.
Inventors:
Patrick Fischer, Remi Feuillette, Dragan Vujcic
Abstract: Methods of allocating data to a plurality of subcarriers in a wireless communication system are disclosed. More specifically, one of the methods includes receiving feedback information from a receiver, calculating a level of mobility of the receiver using the feedback information, determining a resource allocation scheme to use based on the calculated level of mobility, and allocating the data to the plurality of subcarriers based on the determined resource allocation scheme.
Type:
Grant
Filed:
December 18, 2007
Date of Patent:
November 6, 2012
Assignee:
LG Electronics Inc.
Inventors:
Jin Soo Choi, Min Seok Oh, Hyung Ho Park, Sung Ho Moon, Jae Hoon Chung, Doo Hyun Sung
Abstract: In a wireless mobile communications system, a method of transmitting a measurement report to a network. The network transmits in advance, a message including the allocated uplink radio resources and the like, to the terminal so that the terminal can transmit the measurement report to the network using the previously allocated uplink radio resources, thereby minimizing a time for transmitting the measurement report to the network.
Type:
Grant
Filed:
September 15, 2006
Date of Patent:
November 6, 2012
Assignee:
LG Electronics Inc.
Inventors:
Sung-Jun Park, Young-Dae Lee, Sung-Duck Chun, Myung-Cheul Jung
Abstract: A mobile terminal and a method of performing a random access procedure by the terminal is achieved by transmitting a random access preamble to a base station, receiving a random access response from the base station, and performing an uplink transmission using an uplink grant from the base station. The uplink transmission is performed by using a maximum number of HARQ (Hybrid Automatic Repeat reQuest) transmissions parameter, which is included in a System Information Block (SIB) received from the base station.
Type:
Grant
Filed:
May 24, 2011
Date of Patent:
November 6, 2012
Assignee:
LG Electronics Inc.
Inventors:
Sung-Duck Chun, Seung-June Yi, Sung-Jun Park, Young-Dae Lee
Abstract: A method and apparatus for transmitting a sequence in a wireless communication system is provided. A transmitter generates a block sequence comprising a first sub-block sequence and a second sub-block sequence, generates a phase modulated block sequence by performing phase modulation on the block sequence, maps the phase modulated block sequence to a plurality of sub-blocks, and transmits the phase modulated block sequence mapped to the plurality of sub-blocks.
Type:
Grant
Filed:
January 7, 2010
Date of Patent:
November 6, 2012
Assignee:
LG Electronics Inc.
Inventors:
Min Seok Noh, Jin Sam Kwak, Sung Ho Moon, Seung Hee Han, Yeong Hyeon Kwon
Abstract: A method of processing data in a transmitter includes separating ensembles including mobile service data; building a Reed-Solomon (RS) frame including the mobile service data, dividing the built RS frame into RS frame portions; encoding signaling data including fast information channel (FIC) data including cross layer information for mobile service acquisition and transport parameter channel (TPC) data including FIC version information for identifying an update of the FIC data, wherein the TPC data is RS-encoded at a first code rate, and the FIC data is block-interleaved after being RS-encoded at a second code rate; forming a data group including data of an RS frame portion and the signaling data; and transmitting a broadcast signal including the formed data group.
Type:
Grant
Filed:
January 26, 2012
Date of Patent:
November 6, 2012
Assignee:
LG Electronics Inc.
Inventors:
Jae Hyung Song, In Hwan Choi, Jong Yeul Suh, Jin Pil Kim, Chul Soo Lee
Abstract: A method for efficiently scheduling virtual resource blocks to physical resource blocks is disclosed. In a wireless mobile communication system that supports a resource block group (RBG) allocation scheme, when consecutively allocated virtual resource blocks are distributively mapped to physical resource blocks, a gap for the distribution is determined to be a multiple of a square of the number of consecutive physical resource blocks constituting an RBG.
Type:
Grant
Filed:
January 5, 2011
Date of Patent:
November 6, 2012
Assignee:
LG Electronics Inc.
Inventors:
Dong Youn Seo, Byeong Geol Cheon, Bong Hoe Kim, Joon Kui Ahn
Abstract: Method and apparatus for controlling data transmission rate in a wireless communication system during handoff comprises a terminal recognizing an active set comprising a serving base station and at least one non-serving base station with respect to the terminal communicating with the network at a first data transmission rate, receiving a first rate control parameter from the serving base station and a second rate control parameter from the at least one non-serving base station, wherein the first and second rate control parameters are associated with determination of a second data transmission rate of the terminal during the handoff and determining the second data transmission rate in response to the first and the second rate control parameters, wherein the second data transmission rate is one of increased rate, decreased rate and same rate from the first data transmission rate.
Type:
Grant
Filed:
July 14, 2010
Date of Patent:
November 6, 2012
Assignee:
LG Electronics Inc.
Inventors:
Ki Jun Kim, Young Woo Yun, Soon Yil Kwon, Cheol Woo You, Jong Hoe An
Abstract: A digital broadcasting system and a data processing method are disclosed. Herein, additional encoding is performed on mobile service data, which are then transmitted, thereby providing robustness in the processed mobile service data, so that the mobile service data can respond more strongly against fast and frequent channel changes. The data processing method of a digital broadcast transmitting system includes the steps of forming a RS frame by grouping a plurality of mobile service data bytes that is being inputted, and performing error correction encoding in RS frame units, forming a super frame by grouping a plurality of the error correction encoded RS frame, performing row permutation in super frame units, and dividing the super frame back to RS frames, and dividing the RS frame into a plurality of data groups.
Type:
Grant
Filed:
October 17, 2011
Date of Patent:
November 6, 2012
Assignee:
LG Electronics Inc.
Inventors:
Hyoung Gon Lee, In Hwan Choi, Kook Yeon Kwak, Jong Moon Kim, Won Gyu Song, Byoung Gill Kim, Jin Woo Kim
Abstract: The present invention relates to a mobile communication terminal and operation control method thereof: A mobile communication terminal according to the present invention comprises: an input unit having at least one searching keys specified for a section search of multimedia data; and a controller allocating the searching keys to predetermined reproducing positions of the multimedia data, respectively, and controlling reproducing time points of the multimedia data to be moved to reproducing positions allocated to the searching key if the searching keys are input. The present invention uses the searching keys specified for the section search upon reproducing the multimedia data to rapidly perform the section search, making it possible to easily use products regarding a mobile communication terminal.
Abstract: A method for communicating data from a source to a destination using a plurality of relay stations in a wireless communication system is provided. The method comprises grouping the plurality of relay stations into at least one relay station group; receiving in a relay station group a subset of data transmitted from the source; sharing information between relay stations in the relay station group for forwarding to the destination the received subset of data transmitted from the source; determining a forwarding scheme for transmitting the received subset of data; and transmitting the received subset of data to the destination using the forwarding scheme.