Patent application number | Description | Published |
20090109917 | Providing improved scheduling request signaling with ACK/NACK or CQI - In accordance with the exemplary embodiments of the invention there is a method, executable computer program, and apparatus for determining that an acknowledgment is to be sent, and for the case where there is also a scheduling request to be sent, combining the acknowledgment with the scheduling request on a scheduling resource, else placing the acknowledgment in another resource. In accordance with another exemplary embodiment of the invention there is a method, executable computer program, and apparatus for receiving information on a scheduling resource, and determining that the information received on the scheduling resource includes an acknowledgment. Further, in accordance with the exemplary embodiments of the invention there is a method, executable computer program, and apparatus for determining that a scheduling request resource and at least one other resource are reserved for a user equipment in a same sub-frame, and based on whether a scheduling request is desired to be transmitted by the user equipment, placing at least one of an acknowledgment/negative acknowledgement and a channel quality indicator that is desired to be transmitted by the user equipment in one of the resources and leaving at least one other resource unused. | 04-30-2009 |
20090129317 | ACK/NACK DTX detection - In a first aspect of the invention there is a method, apparatus, and executable software product for receiving scheduling information, determining that at least one downlink allocation of the scheduling information was not received, sending a reply to the received scheduling that comprises an indication of discontinuous transmission in response to the determining. In another aspect of the invention there is a method an apparatus to send scheduling information, and receive a reply to the scheduling information comprising an indication of discontinuous transmission that at least one downlink allocation of the scheduling information was not received. | 05-21-2009 |
20090290549 | Deployment of LTE UL system for arbitrary system bandwidths via PUCCH configuration - In accordance with an example embodiment of the present invention, there is at least a method, apparatus, and computer program product to perform an over-provisioning of a radio resource including a periodic channel quality indicator resource in a predetermined way, and an allocating of the radio resource in such a manner that at least one of an effective system bandwidth is reduced and out-of-band emissions related to the allocated radio resource are taken into account. | 11-26-2009 |
20100142467 | Resource Allocation Technique For Physical Uplink Control Channel Blanking - The exemplary embodiments of the invention provide at least a method and apparatus for defining a set of parameters to establish a possibility for a single user equipment to transmit uplink data on a physical uplink shared channel via two or more clusters including adjacent resource blocks, where at least one of the clusters includes at least one blanked physical uplink control channel resource block and where at least one of the clusters includes at least one physical shared channel resource block, and transmitting the parameters to at least the single user equipment. Further, the exemplary embodiments of the invention provide at least a method and apparatus for receiving a set of parameters defining a physical uplink control channel and allocating physical/virtual resource blocks based at least on received physical uplink control channel configuration parameters, a received resource allocation and predefined physical resource block mapping rules. | 06-10-2010 |
20100303035 | Multiple Uplink Control Channel Transmission With Reduced Cubic Metric - It is determined that there are X uplink control channel resources available for uplink signaling. Each of those X uplink control channel resources are sub-channelized into a plurality of sub-channels that each defines a unique time instant or point in time. For each of Y units of control information there is selected a unique combination of one of the sub-channels and a modulation (X and Y are each integers greater than one). The Y units of control information are sent on the X uplink control channel resources according to the respectively selected combinations. By example the uplink resources may be an ACK/NAK/DTX bit on a PUCCH. In one example the sub-channels are individual slots of a PUCCH. In another example the sub-channels are the reference-signal part and the data part of a single PUCCH slot. | 12-02-2010 |
20110150120 | Reference signal resource randomization with SU-MIMO - For an integer number R (greater than one) of demodulation reference signal DM RS resources that are reserved for SU-MIMO transmissions by a UE, there is associated in a memory a) for a first transmission instance each of the R DM RS resources with a unique one of R spatial layers or R transmit antennas, and b) for a second transmission instance each of the R DM RS resources with a different unique one of the R spatial layers or transmit antennas. The first and second transmission instances (slots or sub-frames) are consecutive. A UE transmission to a network in the first slot/sub-frame comprises each DM RS resource on the respective spatial layer or transmit antenna with which they are associated for the first slot/sub-frame, and a UE transmission to the network in the first slot/sub-frame comprises each DM RS resource on the respective spatial layer or transmit antenna with which they are associated for the second slot/sub-frame. | 06-23-2011 |
20110317778 | MULTI-BIT HARQ-ACK AND RANK INDICATOR TRANSMISSION ON PHYSICAL UPLINK SHARED CHANNEL WITH SINGLE USER MULTIPLE INPUT-MULTIPLE OUTPUT OPERATION - In accordance with an exemplary embodiment of the invention, there is at least a method, computer program instructions, and an apparatus to perform operations including replicating and time-aligning, at a wireless communication device, more than two hybrid automatic repeat request acknowledgment or rank indicator bits across layers and codewords of an uplink transmission signal, and providing an ability to define per codeword either an effective modulation order or a coding rate when a different modulation order is configured to the codewords so that time-alignment across all the layers and the codewords of the uplink transmission signal is maintained. Further, in accordance with the embodiments there is receiving an uplink transmission signal comprising more than two hybrid automatic repeat request acknowledgment or rank indicator bits across layers and codewords of the uplink transmission signal, and demodulating the uplink transmission signal, where either an effective modulation order or a coding rate per codeword is modified so that time-alignment across all the layers and the codewords of the uplink transmission signal is maintained. | 12-29-2011 |
20120039281 | Randomization of Block Spread Signals - A user equipment locally stores a shift pattern that is specific to a cell to which the user equipment is currently attached, and processes a group of modulation symbols or bits for uplink transmission by a) cyclically shifting the modulation symbols or bits within the group according to the stored cell-specific shift pattern, and b) applying a spreading code to the group of symbols or bits. Different embodiments include spatial shifting and frequency bin shifting. | 02-16-2012 |
20120207109 | Multiplexing of ACK/NACK and channel state information on uplink control channel - A method, apparatus and computer program which enable simultaneous transmission of a positive or negative acknowledge and channel state information and spatially bundle the positive or negative acknowledge bits corresponding to multiple transport blocks for each of a plurality of component carriers, where if there are two positive or negative acknowledge bits on a carrier component a logical “AND” operation is applied to bundle the two positive and negative acknowledge bits. | 08-16-2012 |
20120294162 | Reduced Complexity Receiver For UL CoMP - Methods, apparatus and computer program products are disclosed. A method includes receiving signals from a number of antennas, the signals from a number of user equipments and comprising a number of sub-bands allocated to the number of user equipments; selecting, based on one or more criteria and for each of number of selected sub-bands allocated to a selected one of the number of user equipments, one or more antennas of the number of antennas to be used for signal detection and interference suppression on the received signals for the selected user equipment; and performing, for the selected user equipment, the signal detection and interference suppression on the received signals for each of the number of selected sub-bands based on the corresponding selected one or more antennas for each of the number of selected sub-bands to create an output signal. | 11-22-2012 |
20120328031 | Codebooks for Mobile Communications - Methods, computer program products, and apparatus are disclosed performing the following: receiving a codebook; receiving one or more modifiers corresponding to the codebook; determining which portion of the codebook is to be applied to information to be transmitted; applying the portion of the codebook to the information to determine coded information; using the one or more modifiers, modifying one or more metrics; determining transmit power to be used for transmission of the coded information by using a selected one of the one or more modified metrics corresponding to the portion of the codebook; and transmitting the coded information. | 12-27-2012 |
20130114514 | DMRS Arrangements For Coordinated Multi-Point Communication - In one exemplary embodiment of the invention, a method includes: receiving, by a mobile device, an indication of a base sequence and an indication of a cyclic shift from a base station; and obtaining, by the mobile device, a mobile device-specific demodulation reference signal sequence by calculating a mobile-device specific sequence and selecting a portion of the calculated mobile-device specific sequence to use as the mobile device-specific demodulation reference signal sequence, where calculating the mobile-device specific sequence includes applying the cyclic shift indicated by the received indication of a cyclic shift to the base sequence indicated by the received indication of a base sequence, where the selected portion of the calculated mobile-device specific sequence corresponds to a mobile-device specific physical resource block allocation. | 05-09-2013 |
20130121184 | Method and Apparatus For Controlling Power of Mobile Station - A method, including making one or more measurements at a mobile device of path loss for a transmission between said mobile device and a base station in a first frequency band of a plurality of frequency bands in which the mobile device is configured to make transmissions to said base station; receiving at said mobile device path loss estimate information specifying an estimate of the relationship between said path loss for a transmission between said mobile device and said base station in said first frequency band, and path loss for a transmission between said mobile device and said base station in a second frequency band of said plurality of frequency bands; and determining a transmission power for at least one transmission to said base station in said second frequency band on the basis of at least said one or more measurements and said path loss estimate information. | 05-16-2013 |
20130128821 | Demodulation Reference Signal Arrangement For Uplink Coordinated Multi-Point Reception - A method for providing a DM RS arrangement for CoMP reception is described. The method includes receiving (e.g., at a receiver), at a UE, a message for a first CC from a network node. The message includes an indication of a DM RS PUSCH mode for the first CC and a CSI field. The method also includes determining (e.g., at a processor) whether the DM RS PUSCH mode for the first CC includes a mirror cell mode. In response to determining that the DM RS PUSCH mode includes a mirror cell mode, the method includes determining (e.g., at a processor) a DM RS sequence based at least in part on the CSI field. Apparatus and computer readable media are also described. | 05-23-2013 |
20130155986 | Deployment Of LTE UL System For Arbitrary System Bandwidths Via PUCCH Configuration - In accordance with an example embodiment of the present invention, there is at least a method, apparatus, and computer program product to perform an over-provisioning of a radio resource including a periodic channel quality indicator resource in a predetermined way, and an allocating of the radio resource in such a manner that at least one of an effective system bandwidth is reduced and out-of-band emissions related to the allocated radio resource are taken into account. | 06-20-2013 |
20130189930 | Flexible Radio Channel Sounding - A method includes determining a base sequence, cyclic shift, and UE-specific portion of a frequency comb, applying the cyclic shift to the base sequence to create a shifted sequence, and selecting a portion of the shifted sequence as a user equipment-specific SRS. The selected portion of the shifted sequence corresponds to the portion of the frequency comb. A second method includes assigning a cyclic shift and a UE-specific portion of a frequency comb to a UE, where the cyclic shift is for use by the UE to apply the cyclic shift to the determined base sequence to create a shifted sequence. The portion of the frequency comb is for the UE to select a portion of the shifted sequence for SRS. The method includes transmitting indications of the base sequence, the cyclic shift, and the portion of the frequency comb. Auxiliary DMRS may be provided using SRS resources. | 07-25-2013 |
20130196700 | Non-Orthogonal Transmit Mode - A first user equipment UE operating in a first/strong transmission mode determines that a second UE is operating in a second/weak mode and is allocated a same radio resource as the first UE. The first UE determines a transport format for transmissions to the second UE and uses that to decode and cancel a transmission received on the radio resource which is directed to the second UE, mitigating interference with a further transmission directed to the first UE. Various examples are given of specific resource allocation signaling used to determine that the second UE is operating in the second mode and is allocated the same radio resource, such as implicitly by a specific downlink control indication format or an explicit indication in a resource allocation directed to the first UE. The first UE can determine the transport format of the second UE from network signaling. | 08-01-2013 |
20140036842 | Providing Improved Scheduling Request Signaling With ACK/NACK Or CQI - In accordance with the exemplary embodiments of the invention there is a method, executable computer program, and apparatus for determining that an acknowledgment is to be sent, and for the case where there is also a scheduling request to be sent, combining the acknowledgment with the scheduling request on a scheduling resource, else placing the acknowledgment in another resource. In accordance with another exemplary embodiment of the invention there is a method, executable computer program, and apparatus for receiving information on a scheduling resource, and determining that the information received on the scheduling resource includes an acknowledgment. Further, in accordance with the exemplary embodiments of the invention there is a method, executable computer program, and apparatus for determining that a scheduling request resource and at least one other resource are reserved for a user equipment in a same sub-frame, and based on whether a scheduling request is desired to be transmitted by the user equipment, placing at least one of an acknowledgment/negative acknowledgement and a channel quality indicator that is desired to be transmitted by the user equipment in one of the resources and leaving at least one other resource unused. | 02-06-2014 |
20140219210 | Uplink Control Signaling In Cellular Telecommunication System - A method, apparatus, and computer program for controlling allocation of control message fields in uplink transmission in a cellular telecommunication system are presented. Uplink control message fields are allocated to the resources of a physical uplink shared traffic channel according to an uplink transmission scheme selected for a user terminal. The control message fields are allocated so that transmission performance of the control messages is optimized for the selected uplink transmission scheme. | 08-07-2014 |