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Patent Searching and Data


Matches 351 - 400 out of 18,026

Document Document Title
WO/2011/127007A1
Efficient apparatus and method for Zadoff-Chu ("Chu") sequence generation avoids additional processing and hardware complexity of conventional quadratic generating formula followed by Discrete Fourier Transform (DFT) with a reference sig...  
WO/2011/120233A1
An apparatus and method for Orthogonal Cover Code(OCC) generation, and an apparatus and method for OCC mapping are disclosed in the present invention, wherein the apparatus for OCC generation includes: a means for generating the first gr...  
WO/2011/120584A1
A method and apparatus for communication of signals in a slotted communication system is disclosed. The slots are arranged into subframes of frames such that each subframe comprises at least two slots. A reference signal can be included ...  
WO/2011/120429A1
An indication method and apparatus for Orthogonal Cover Code configuration and frequency hopping configuration are provided in the present invention, said method comprises: a base station indicates Orthogonal Cover Code configuration or ...  
WO/2011/114742A1
Disclosed are a wireless communication method and device which can maintain frequency scheduling flexibility and improve system throughput performance. A Walsh sequence number determination unit (108) acquires Walsh sequence numbers used...  
WO/2011/108992A1
A method of relaying data for a wireless frequency division multiple access network is disclosed herein. In a specific embodiment, the method comprises the steps of receiving data carried by respective subcarriers (320), network coding t...  
WO/2011/105923A1
The invention relates to systems for serial decoding of data streams in a channel with noise, in particular to a serial Viterbi decoder for convolutional perforated and imperforated codes with a "Single-Input Multiple-Output" (SIМО) st...  
WO/2011/103745A1
Provided in the present invention are a system and method for performing make-before-break handover from a source cell to a target cell in a Time Division-Synchronous Code Division Multiple Access (TD-SCDMA) system. According to various ...  
WO/2011/102683A2
Provided are a method and apparatus for allocating a plurality of layers to a plurality of antenna ports in a wireless communication system. The method comprises: mapping the plurality of layers to the respective antenna ports; and mappi...  
WO/2011/090282A2
The present invention relates to a method and apparatus which transmit/receive at least one demodulation reference signal by using a CDM group and/or a transmission rank of a user device that have been used to transmit the at least one d...  
WO/2011/087886A1
A wireless communication system (100) is provided that spreads pilot signals, or channel state information reference signals (CSI-RSs), using a spreading code chosen from a set of mutually unbiased bases (MUBs). The advantages of such sp...  
WO/2011/076006A1
A method and device for decoding processing are disclosed by the present invention. The method includes: according to a user's user identifier (ID), respectively obtaining decoding channel IDs of the Dedicated Physical Control Channel (D...  
WO/2010/060640A3
A method of pilot-assisted data communication comprises transmitting a composite signal. The composite signal comprises data, a first pilot sequence with non-cyclic properties; and a second pilot sequence, such that the composite signal ...  
WO/2011/059640A1
Example methods use secondary scrambling codes in telecommunications networks. The secondary scrambling codes are assigned to mobile stations and channels used by mobile stations that are not adversely affected by the use of secondary sc...  
WO/2011/005532A3
Systems and methodologies are described that facilitate unified, low-complexity processing (e.g., user separation and noise estimation) of a control channel. One or more UEs can respectively transmit one or more control signals, which ar...  
WO/2010/106330A3
A method of transmitting data in a data transmission system having a plurality of channels, the method comprising: transmitting a first group of data at a first bit rate over a first group of one or more channels; and transmitting a seco...  
WO/2011/008941A3
Providing for noise estimation in wireless communication, and particularly for access request signals transmitted by a user equipment (UE), is described herein. By way of example, a wireless signal receiver can employ unused signal dimen...  
WO/2011/024825A1
A method includes: receiving symbols from antenna(s); calculating average-channel estimates of the symbols over a measurement period; forming a channel matrix from the average-channel estimates; calculating a power ratio between a closed...  
WO/2009/148278A3
Disclosed is a channel estimation and equalization method and system. The method inserts a pilot signal in the time domain into a guard interval, uses a hard decision signal in the frequency domain to estimate a frequency response of the...  
WO/2011/021700A1
A mobile communication method comprises: a process of performing positional registration to an LTE mobile communication system after a mobile station (UE) RRC-connected with a radio network control station (RNC) gets out of the service o...  
WO/2011/017977A1
A method and device for generating a scrambling code are disclosed by the present invention, the method includes: acquiring initiative sequences X0,Y0; spreading said initiative sequences X0,Y0 (+1) times, obtaining the spread sequences ...  
WO/2011/013770A1
It is possible to perform user division of an uplink control signal that has been subjected to user multiplexing by an orthogonal multiplexing technique using a cyclic shift, and channel estimation accuracy is improved. A wireless commun...  
WO/2011/007583A1
Provided are a radio communication terminal device and a radio transmission method by which intersymbol interference of DM-RS of a CoMP terminal and a Non-CoMP terminal can be reduced. A CoMP set setting unit (102) sets the cell IDs of a...  
WO/2011/005536A1
Techniques for transmitting a reference signal on multiple non-contiguous clusters of resources are described. A user equipment (UE) may be scheduled for data transmission on the multiple non-contiguous clusters, and each cluster may cov...  
WO/2010/107238A4
Provided is a method of transmitting control information of a base station in a mobile communication system includes obtaining scheduling information from a terminal; and transmitting at least two control channels through one down link c...  
WO/2010/046748A3
A method and apparatus for using the same multiplexed radio resource to simultaneously transmit a pilot sequence and an information signal is described herein. After traveling through a multi-path propagation channel (20), a receiver (20...  
WO/2010/150800A1
Provided is a wireless communication method capable of efficiently receiving control signals in high quality when data signals are transmitted using spatial multiplexing transmission and control signals are also transmitted in the same s...  
WO/2010/145537A1
Provided is a multipath searching method, which includes: in the procedure of multipath searching, interpolating value 0 in the sampled peak Amplitude Delay Profile (ADP) set, then filtering the interpolated peak ADP set; judging whether...  
WO/2010/146617A1
A wireless communication system in which wireless communication is performed between first and second base station devices, which each have one or a plurality of cells or sectors, and terminal devices, wherein each of the first and secon...  
WO/2010/145613A1
The present invention discloses a method and device for selecting noise path. The method includes: obtaining predefined information, wherein the predefined information includes an energy path delay and energy path power,and the energy ...  
WO/2010/147287A1
The present invention relates to a Multi-Input Multi-Output (MIMO) communication system and more particularly, to a method for Correlation matrix feedback in a multi-cell wireless communication system. A method for transmitting correlati...  
WO/2010/140826A2
A Method and apparatus for selectively applying, by a User Equipment (UE), Frequency Hopping (FH) for a transmission of Uplink Control Information (UCI) signals in a Physical Uplink Control CHannel (PUCCH). The UE applies FH when the UCI...  
WO/2010/137870A2
The present invention relates to a method and apparatus for transmitting/receiving a sounding reference signal in a wireless communication system. According to one aspect of the present invention, a method for receiving a sounding refere...  
WO/2010/138356A2
A method of compensating for doppler phase errors includes receiving a signal at a receiver wherein the signal is spread using a pseudo-noise code, dividing the signal into a plurality of smaller coherent units and then compensating for ...  
WO/2010/133452A1
A method for allocating orthogonal sequences to user equipment devices, UEs, of a group sharing a channel of a telecommunication system is disclosed. The method comprises determining which UE of the group having largest transmission reso...  
WO/2010/104365A3
The present invention relates to a wireless communication system which supports carrier aggregation. More particularly, the present invention relates to a method and to an apparatus for enabling a user equipment to perform a handover in ...  
WO/2010/107238A3
Provided is a method of transmitting control information of a base station in a mobile communication system includes obtaining scheduling information from a terminal; and transmitting at least two control channels through one down link c...  
WO/2007/066871A3
The present invention relates to a method for allocating a frequency domain spread code in a base station of a multi-carrier code division multiple access (MC-CDMA) communication system. A code allocation priority is established based on...  
WO/2010/122818A1
Disclosed is a radio communication system comprising a first transmission line state-measuring section and a second transmission line state-measuring section, wherein when a second communication device measures the state of a transmissio...  
WO/2010/122749A1
In a wireless communication system, a communication apparatus at a transmission end comprises a reference signal generating unit that generates, as reference symbols to be transmitted together with transmitted data, a sequence of referen...  
WO/2010/085066A3
Disclosed are an apparatus and a method for generating scrambling codes in a radio communication system, and more particularly, an apparatus and a method using a Gold-like sequence, which can generate scrambling codes for the length 2m-1...  
WO/2010/119921A1
A wireless base station (Node B) provided with: a transmission power control unit (13) which performs inner loop transmission power control with respect to an E-DPDCH; a scheduling unit (16) which determines the AG to be transmitted to a...  
WO/2010/117579A2
A method for uplink transmission includes determining a channel loss that occurs along a communication channel between an access point and a tag. An uplink spreading factor is determined based at least in part on the loss factor and at l...  
WO/2010/113456A1
Disclosed are a base station, a mobile station, a pilot transmission method, and a channel estimation method, whereby excellent zone interference blocking characteristics can be obtained and high channel estimation precision is ensured e...  
WO2010110299A1
A radio base station (eNB) comprises a resource allocating unit (11) that is configured to allocate, to mobile stations, time-directional, frequency-directional and code-directional resources as physical signal transmission resources for...  
WO/2010/108823A1
The invention relates to a method for despreading of a spread data signal that is spread by means of a spreading sequence. The method is in particular suitable for improving the correlation of spread data signals after transmission. It c...  
WO2010109540A1
Disclosed is a wireless communication method between a first communication apparatus, such as for example a base station, and a second communication apparatus, such as for example a mobile station, equipped with an interference cancellat...  
WO/2010/108007A2
A method for conserving bandwidth in a communication system includes spreading a data frame using a first pseudo-noise (PN) spreader. A broadcast frame is spread using a second PN spreader. A complex data stream having a first component ...  
WO/2010/106330A2
A method of transmitting data in a data transmission system having a plurality of channels, the method comprising: transmitting a first group of data at a first bit rate over a first group of one or more channels; and transmitting a seco...  
WO/2010/106950A1
Provided are a mobile terminal apparatus and a wireless communication method wherein feedback control information can be efficiently transmitted using an upstream control channel signal. The wireless communication method comprises the st...  

Matches 351 - 400 out of 18,026