Patent application number | Description | Published |
20080311949 | Determining a Transmission Window for Transmission Bursts of Broadcast Service - In an embodiment, a method, apparatus and system are provided for determining a transmission window for transmission bursts of broadcast service. In one embodiment, the apparatus includes a link-terminating element configured to receive a multimedia broadcast and multimedia multicast service message from a network control element. The apparatus also includes a processor configured to define a burst transmission window for the multimedia broadcast and multimedia multicast service message. The apparatus also includes a transceiver configured to transmit the multimedia broadcast and multimedia multicast service message within the burst transmission window. | 12-18-2008 |
20090323574 | SYSTEM AND METHOD FOR PROVIDING EFFICIENT CONTROL TRANSMISSION FOR SINGLE FREQUENCY NETWORK-BASED BROADCASTING OR MULTICASTING - A system and method for providing efficient control transmission for single frequency network-based broadcasting and/or multicasting. Various parameters that are needed to decode local single frequency network transmissions are signaled in a channel that is separate from the overlay single frequency network control channel. In various embodiments, this channel is transmitted at the level of a local single frequency network or at an individual cell level. This allows this channel to provide, at any given geographical location, the parameters that are used in the transmission of the particular local single frequency networks in that location. | 12-31-2009 |
20100009687 | SYSTEM AND METHOD FOR ENABLING EFFICIENT MBMS DOWNLINK RADIO RESOURCE RE-USE FOR OTHER DOWNLINK TRAFFIC - A system and method by which individual user equipment items can be informed about subframes re-used or exceptionally used for unicast transmission. In various embodiments, a dedicated indication is transmitted to each item of user equipment. This indication may comprise, for example, a dedicated message transmitted to those user equipment items that will get additional unicast downlink allocations in the re-used subframes. In other embodiments, common broadcast signaling is used to indicate subframe re-use to all items of user equipment. This signaling may be transmitted on a physical downlink control channel (PDCCH) or on a physical downlink shared channel (PDSCH) as a common broadcast message. | 01-14-2010 |
20110038344 | APPARATUS AND METHOD FOR INITIALIZATION AND MAPPING OF REFERENCE SIGNALS IN A COMMUNICATION SYSTEM - An apparatus and method for initialization and mapping of reference signals in a communication system. In one embodiment, the apparatus includes a processor and memory including computer program code. The memory and the computer program code are configured to, with the processor, cause the apparatus to generate a reference signal employable with a plurality of physical resource blocks corresponding to a bandwidth of a communication system, and allocate resource elements of an assigned physical resource block from the plurality of physical resource blocks to a user equipment. The memory and the computer program code are further configured to, with the processor, cause the apparatus to generate a dedicated reference signal for the user equipment by allocating elements of the reference signal in accordance with allocated resource elements of the assigned physical resource block. | 02-17-2011 |
20110039574 | APPARATUS AND METHOD FOR POSITIONING A WIRELESS USER EQUIPMENT - In accordance with an example embodiment of the present invention, a method is disclosed that comprises receiving a reference signal from each of at least two target neighbor cells via at least one receiving branch at a user equipment; estimating a timing range based at least on one of a timing advance for a serving cell and an inter-cell distance between the target neighbor cell and the serving cell; computing a reference signal time difference for the received reference signal from the target neighbor cell; and screening the computed reference signal time difference using the estimated timing range. | 02-17-2011 |
20110222629 | PRE-CODING FOR DOWNLINK CONTROL CHANNEL - Precoding information is provided (implicitly or explicitly) to a particular user equipment UE. Closed-loop spatial coding for a control channel is selected for the particular user equipment, and at least one control channel element CCE is determined within the particular user equipment's search space of the control channel that is associated with the provided precoding information. The determined at least one CCE is spatially encoded using the provided precoding information to schedule radio resources for the particular user equipment. The UE determines a search space for a control channel, and from received radio resource control signaling determines at least one CCE within the search space that is to be encoded with closed-loop spatial coding. The UE decodes the determined at least one CCE within the search space using a closed-loop spatial decoding with precoding information associated with the at least one CCE to find radio resources scheduled for the particular UE. | 09-15-2011 |
20110243090 | DOWNLINK CONTROL AND PHYSICAL HYBRID ARQ INDICATOR CHANNEL (PHICH) CONFIGURATION FOR EXTENDED BANDWIDTH SYSTEM - In accordance with the exemplary embodiments of the invention, there is described herein at least a method, executable computer program, and apparatus to form a resource allocation for a particular bandwidth, including defining at least one search space for a first bandwidth region used by a first user equipment and for a second bandwidth region used by a second user equipment, each search space including control channel elements, where there are first control channel elements in the first bandwidth region and second control channel elements in the second bandwidth region, and transmitting information descriptive of the resource allocation to the first user equipment and the second user equipment. | 10-06-2011 |
20110305211 | ADVANCED RESOURCE ALLOCATION SIGNALING - Disclosed is a method, apparatus and a computer readable memory medium that stores a program of computer instructions for enabling a resource allocation to be made for user equipment. The method includes forming a resource allocation for a particular system bandwidth, where the resource allocation has a larger number of resource blocks than a maximum number of resource blocks associated with the particular system bandwidth, while maintaining a same resource block group size as would be present with the maximum number of resource blocks for the particular system bandwidth. The step of forming includes the use of an extended parameter in a derivation of the resource allocation. The method further includes transmitting information descriptive of the resource allocation to user equipment. The resource allocation may be a downlink resource allocation or an uplink resource allocation. | 12-15-2011 |
20120113851 | CHANNEL STATE INFORMATION FEEDBACK - In an embodiment, state of a wireless channel on which information is received is measured; the measured state is used to select from a codebook a plurality of N codewords which optimize a predefined measure, and first and second codewords of the plurality are reported which best optimizes and next-best optimizes the predefined measure. If by example the above is done by a user equipment UE, in another embodiment the network receives first and second indications, searches a codebook using the first and second indications to find the first and second codewords; and utilizes them to improve the channel state information, such as by interpolating between them to find an estimate of the channel. In examples the channel is a MIMO channel that is estimated at two or more antenna ports, there are interpolation weights sent with the codeword indications, and the interpolating uses a geodesic algorithm. | 05-10-2012 |
20120201321 | CHANNEL FEEDBACK TO SUPPORT EFFICIENT RANK OVERRIDE - A method can include providing channel feedback to support efficient rank override For example, in such a method, a rank−r precoder index corresponding to a rank−r precoder is determined, and performance for each rank−1 precoder within the rank−r precoder is measured Based on the measured performance, a rank−1 precoder that maximizes performance is selected | 08-09-2012 |
20130021989 | Methods, Apparatuses and Related Computer Program Product for Control Information Signaling - Methods, apparatuses and related computer program product for control information signaling. It is disclosed a method/apparatus comprising predetermining, specifically for each of a plurality of terminals, a transmission mode in correspondence with a predetermined second control information format, transmitting, in a first predetermined portion of a set of control channel candidates, a first control information format of a first size, defining, based on the second control information format, a scheduling grant format of a second size different from the first size to be applied on a second predetermined portion of the set of control channel candidates, equating the first size so as to match with the second size, and transmitting, in the second predetermined portion, the equated first control information; and a method/apparatus comprising monitoring, in the first and second predetermined portions, reception of the first control information format, upon reception of a configuration message relating to the transmission mode, continuing the monitoring and monitoring reception of the scheduling grant format. | 01-24-2013 |
20130223253 | Method and Apparatus for Coordinated Multi-Point Operations - Embodiments provide a feedback indicator for coordinated multi-point operations of various coordinated multi-point schemes and/or scenarios. An exemplary embodiment involves generating a feedback indicator for coordinated multi-point operations, the feedback indicator indicating a recommendation for a CoMP controller entity to request signaling of multi-point feedback information with respect to multiple coordinated multi-point transmission points, and signaling the generated feedback indicator for coordinated multi-point operations to the CoMP controller entity. | 08-29-2013 |
20130308557 | METHODS, APPARATUS AND COMPUTER PROGRAMS FOR PHYSICAL LAYER TRANSMISSION AND/OR RECEPTION - Embodiments include a method for physical layer transmission in a network equipment including receiving, from a higher layer, messages to be transmitted during a subframe on one or more control channels. The number of elements required (i.e. aggregation level) for each control channel is determined. A plurality of physical resource blocks (PRBs) for transmitting the control channels and partitioning the PRBs into clusters is allocated. The interleaving depth (IDP) for each cluster is determined. Each element is mapped to a cluster according to the IDP for that cluster. A transmission signal including the clusters is generated. | 11-21-2013 |
20140153488 | INTERFERENCE CANCELLATION - A network node includes, into a field of downlink control information that provides a user equipment with information for reception and decoding of data transmitted from the network node to the user equipment in a mobile communication network, an indication of receiver information. The receiver information is applicable for interference suppression/cancellation by a receiving operation of the user equipment, capable of performing interference suppression/cancellation using the receiver information. The user equipment detects the receiver information from the downlink control information, and can select a receiving operation using the receiver information. | 06-05-2014 |
20140169565 | METHODS, APPARATUS AND COMPUTER PROGRAMS FOR SCRAMBLING CODE SIGNALLING - Methods, apparatus and computer readable storage media are provided herein for scrambling code signalling in support of interference cancelling receivers. In some example embodiments, a method is provided that includes receiving scrambling code initialization parameters for at least one wanted codeword and for at least one interfering codeword from a base station. The method of this embodiment may also include detecting the at least one wanted codeword and the at least one interfering codeword in a transmission that is received from a base station. The method of this embodiment may also include decoding the at least one wanted codeword and the at least one interfering codeword. In some example embodiments, the decoded at least one interfering codeword is used in at least one of interference detection or interference cancellation. | 06-19-2014 |
20140301303 | Interference Mitigation - Measures including a method, comprising deriving at least one of one or more statistics of an interfering channel and a rate matching parameter of the interfering channel based on an interfering colocation information received from a serving transmission point device, wherein the interfering channel comprises a channel between an apparatus performing the method and an interfering transmission point device different from the serving transmission point device. | 10-09-2014 |
20150016288 | Methods, Apparatus and Computer Programs for Controlling Feedback about Channel Conditions - A user equipment (UE) provides feedback about channel conditions. From a set of primary sub-bands subject to channel state information reporting by the UE, there is identified one or more of the primary sub-bands for reporting channel quality with a finer frequency-domain granularity than other primary sub-bands of the set ( | 01-15-2015 |