| Patent application number | Description | Published |
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| 20080232321 | Techniques for improved error detection in a wireless communication system - In one exemplary embodiment of the invention, a method including: determining whether first allocation information has been transmitted from a first device towards a second device in a wireless communication system; and transmitting a message including transmittal information and second allocation information from the first device towards the second device, wherein the transmittal information corresponds to the determined transmittal of the first allocation information. In another exemplary embodiment of the invention, a method including: detecting whether a first signal is received on a dedicated resource of a wireless communication system; detecting whether a second signal is received on a shared resource of the wireless communication system; and determining, based on a detection outcome for the first signal and a detection outcome for the second signal, whether at least one allocation has failed. | 09-25-2008 |
| 20080240030 | TRANSMISSION ADAPTATION IN A WIRELESS NETWORK - Various example embodiments are disclosed relating to transmission adaptation in a wireless network. According to another example embodiment, an apparatus may include a processor. The processor may be configured to measure a channel quality for a plurality of wireless resources (e.g., physical resource blocks), determine one or more proposed resources based on the measured channel quality for the wireless resources, determine at least one proposed transmission parameter based on a number of the proposed wireless resources and the channel quality of the proposed wireless resources, and send a report to an infrastructure node, the report including the at least one proposed transmission parameter and identifying the proposed wireless resources. | 10-02-2008 |
| 20080240216 | Link adaptation method - A method, where data is transmitted from a network node to user equipment in a succession of communication frames. An estimate indicative of the quality of the user equipment transmission channel in a reference communication frame is ascertained, and modified by an amount that varies in dependence on a configuration of the resources allocated to the user equipment in the reference communication frame. The modified estimate is used in selecting one or more connection parameters for a data transmission in a target communication frame. This improves the adaptation of the transmission parameters to the existing channel conditions | 10-02-2008 |
| 20080259856 | Apparatus, method and computer program product providing dynamic sharing of resources between uplink and downlink allocations for separately coded users - Apparatus, methods and computer program products operate an electronic device to generate downlink allocation information and uplink allocation to be signaled to other electronic devices operative in a wireless communications system; and to operate radio apparatus to signal the downlink allocation information and uplink allocation information in a control channel, wherein the downlink allocation information is signaled in a downlink allocation portion of the control channel and the uplink allocation information is signaled in an uplink allocation portion of the control channel. In a variant, apparatus, methods and computer program products operate an electronic device to receive downlink and uplink allocation information signaled in a control channel by a wireless communications system, wherein the control channel is divided into a downlink allocation portion used for downlink allocation information and an uplink allocation portion used for uplink allocation information; to receive control channel division information indicating which portion of the control channel corresponds to the downlink allocation portion and which portion corresponds to the uplink allocation portion; and to search for downlink allocation information in the downlink allocation portion and uplink allocation information in the uplink allocation portion. | 10-23-2008 |
| 20080267058 | Optimum technique for encoding and decoding physical resource block locations - An apparatus, such as a user equipment, includes a resource unit RU measurement unit coupled to an output of a wireless receiver; an encoder configurable to encode information descriptive of M perceived best ones of N RUs, where each individual RU is assigned a unique number from a set | 10-30-2008 |
| 20080268863 | Method and Apparatus for Reporting Channel Quality - An approach is provided for efficient signaling for reporting of channel quality information. A parameter is set for a silent period associated with reporting of channel quality information. The channel quality information is transmitted by the terminal only during a time instant outside of the silent period. The silent period is a time interval before transmission of the quality information by the terminal to an inactive state from an active state. | 10-30-2008 |
| 20080313521 | METHOD FOR DYNAMIC INTERPRETATION OF TRANSPORT BLOCK SIZE - A system and method is provided which allows for the dynamic interpretation of a transport block size field in a Layer 1/Layer 2 (L1/L2) control channel, such that for any first H-ARQ transmission, the transport block size indication field will indicate the size of the transport block. For any retransmission, the transport block size indication bits can be transformed into dedicated bits for indicating the RV used as it relates to circular buffering. A robust bit field for indicating new data transmission (e,g, new data indication (NDI)) is therefore introduced, and from a UE perspective it is possible to determine how to interpret the transport block size field. | 12-18-2008 |
| 20090046650 | Resource scheduling enabling partially-constrained retransmission - The exemplary embodiments of the invention utilize techniques that provide an amount of scheduling flexibility for retransmissions (e.g., downlink HARQ retransmissions) while also limiting the amount of time within which a UE can expect retransmissions. Thus, the network retains scheduling flexibility while the UE can still operate in DRX, for example. In one exemplary embodiment, a method includes: receiving an initial transmission of information; and receiving a retransmission of the information, where the retransmission is received within a window of time having a predetermined duration, where the window of time is arranged to begin at a predetermined time or after a predetermined time interval. In further exemplary embodiments, the predetermined duration of the window of time is measured using a DRX retransmission timer and/or the predetermined time or the predetermined time interval is measured using a HARQ RTT timer. | 02-19-2009 |
| 20090049355 | System and Method Employing Frequency Band Flipping for the Retransmission of Data - For use in a communication system, an apparatus that, in one embodiment, includes a band flipping module configured to renumber physical resource blocks for a retransmission of data from physical resource blocks associated with a previous transmission of the data. The apparatus also includes a transceiver configured to retransmit the data in accordance with the renumbered physical resource blocks. | 02-19-2009 |
| 20090080342 | Determining load measure for network element - The specification and drawings present a new method, system, apparatus and software product for determining (e.g., calculating) a load measure by a network element (e.g., Node B or any other network element) for optimizing information traffic in communication networks (e.g., wireless communication systems). This load measure may represent the amount of available/excess traffic that a given network element may carry and is a relative measure, which would take into account the total amount of resources available in the system and the amount of resources that are free for carrying only “important” or “essential” traffic, using a weighed method described herein. | 03-26-2009 |
| 20090083424 | Apparatus, methods, and computer program products providing a dynamic header structure for signaling resource allocations - In one non-limiting, exemplary embodiment, a method includes: receiving a message including a resource allocation map having a first portion and a second portion; utilizing the first portion to determine a specific mapping scheme of a plurality of mapping schemes, wherein the determined specific mapping scheme is used for the second portion; and obtaining, based on the determined specific mapping scheme, resource allocation information based on the second portion. In another non-limiting, exemplary embodiment, a method includes: generating a message including a resource allocation map having a first portion and a second portion, wherein the first portion is indicative of a specific mapping scheme of a plurality of mapping schemes that are applicable to the second portion; and transmitting the generated message. | 03-26-2009 |
| 20090103562 | Signaling limitation of multiple payload sizes for resource assignments - Introducing a set of limitations on where different payload sizes are allowed in a control channel element aggregation ‘tree’ is shown. Following these limitations, the network element (e.g. Node B) will have a large flexibility for scheduling users, while the terminal (e.g. User Equipment) will have an option for still keeping the number of blind decoding attempts at a quite low number. | 04-23-2009 |
| 20090125363 | Method, apparatus and computer program for employing a frame structure in wireless communication - A frame structure for scheduling radio resources includes a first time slot, followed by a plurality of other time slots each having either a second length, or a first length that is approximately double the second length. Transmissions are sent in downlink ones of the other time slots and received in uplink ones of the other timeslots. In various embodiments, the first length is 1.35 ms/19 symbols and the second length is 0.675 ms/9 symbols; the first timeslot is downlink and has length 0.852 ms/12 symbols; there is an additional guard period of 26 microseconds between the first timeslot and the other timeslot that follows the first timeslot which is uplink and has the first length; there may also be a single symbol between the guard period and that uplink timeslot for uplink signaling; and all other timeslots that are downlink are of the second length. | 05-14-2009 |
| 20090170522 | Resource Restricted Allocation in Long-Term Evolution - A method, user equipment, network device, and software product enable allocation of a number of resource blocks over a downlink to the user equipment. The resource blocks are grouped into a number of groups of the blocks, the number of groups being no greater than a maximum number. The resource blocks are arranged in an adjacent manner within each of the groups. The resource blocks are allocated by operating on the groups, and the allocation is signalled using a group allocation indication. | 07-02-2009 |
| 20090175233 | Method, Apparatus And Computer Program To Map A Downlink Resource To A Related Uplink Transmission - In an exemplary embodiment a method includes using a predetermined parameter to determine a rate of uplink radio resources to downlink radio resources; mapping an uplink radio resource to a unique one of the downlink radio resources dependent at least in part on the rate; and receiving on the mapped unique one of the downlink radio resources a reply to the uplink radio resource. Apparatus and computer programs are also described, for both a user equipment and a network node. | 07-09-2009 |
| 20090196240 | Method, apparatus and computer program to map a cyclic shift to a channel index - From the network perspective, an uplink resource allocation (PDCCH) is sent that grants an uplink resource to a plurality of user equipments UEs, and the allocation has an indication of a cyclic shift CS for each of the plurality of UEs. The granted uplink resource is mapped to a downlink resource (PHICH) in dependence on the indicated CS for each of the plurality of UEs. The mapping is such that for a predetermined number of UEs being allocated a same uplink resource in a single MU-MIMO uplink resource allocation grant, each pair of said predetermined number of UEs which map to an adjacent downlink resource exhibit an optimized CS relative to one another. The network sends to each of the respective plurality of UEs on the respective mapped downlink resource an indication (ACK/NACK) about data received (on a PUSCH). Apparatus, method, and computer programs for network and UE side implementations are detailed. | 08-06-2009 |
| 20090257356 | Enhanced channel quality indication reports - A method includes making measurements of a received channel, and transmitting a channel quality report that includes at least one resource block-specific report indicative of a value of a channel quality metric over a bandwidth x, and that further includes an additional report indicative of the value of the channel quality metric over a bandwidth y, where y is greater than x. The channel quality metric may be a signal to interference plus noise ratio (SINR), and the additional channel quality report may be indicative of a difference between a mean value of the SINR of physical resource blocks found by a user equipment to exceed a reporting threshold and a mean value of the SINR over the measurement bandwidth y. | 10-15-2009 |
| 20090275323 | Initial eNode-B configuration over-the-air - A method, apparatus, system, and computer program embodied on a computer readable medium is provided to define new messages to be transmitted over a broadcast channel to better support uncoordinated base station deployment in a local area environment. In this context, uncoordinated local base station deployment refers to cases where new base stations are placed, and activated, without any detailed a priori network planning and considerations for placement of already active base stations in the area. | 11-05-2009 |
| 20090276675 | SIGNALING OF REDUNDANCY VERSION AND NEW DATA INDICATION - Example methods and apparatus for communicating encoded data blocks in wireless communication systems are disclosed. In one example embodiment, a method for receiving an encoded data block includes receiving a data transmission including a subset of a plurality of bits of the encoded data block. The example method also includes receiving a first control signal indicating whether the received subset is a first received subset associated with the encoded data block or whether one or more subsets were previously received for the encoded data block. The example method also further includes receiving a second control signal, the second control signal having a first state and a second state. In the example method, the first state of the second control signal indicates that the received subset includes a first predefined subset of the plurality of bits of the encoded data block and the second state of the second control signal indicates that the received subset includes one of a plurality of other predefined subsets of the plurality of bits of the encoded data block. In this example embodiment, determining which of the other predefined subsets is included in the received subset is based on one or more system parameters of the wireless communication system. Further in this example, the state of the second control signal is selectable between its first state and its second state on a data transmission by data transmission basis, regardless of whether or not one or more subsets of the encoded data block were previously received. | 11-05-2009 |
| 20090303927 | Method and System for Controlling Discontinuous Reception/Transmission - A method, a network element, an apparatus and a system for controlling discontinuous reception/transmission during a discontinuous reception/transmission on-period in communication between a transmitter and a receiver, are provided. The control is based on certain well-defined measurements including at least one of the following: the number of bits that are currently in the buffer of the transmitter, the currently supported transport block set for the receiver and the average supported transport block set for the receiver. The measurements are performed at the transmitter in each predefined time interval. | 12-10-2009 |
| 20090323613 | Selecting between normal and virtual dual layer ACK/NACK - An allocation of downlink resources is received, which are monitored on I layers for data. A resource-specific bit (ACK/NACK) is generated for each of those resources. From a pattern of those resources is selected an algorithm from among a first algorithm that bundles them in a first mode and a second algorithm that bundles them in a second mode. The selected algorithm is used on the generated resource-specific bits that correspond to the downlink resources, bundled according to the selected mode, to generate I reply bits which are then transmitted. At the network side a NACK reply bit is received, based on a pattern of the allocated downlink resources, a first algorithm that bundles them in a first mode or a second algorithm that bundles them in a second mode is selected. A bundling window and layer combination are determined from the selected algorithm, which gives the resource for retransmitting the NACK'd data. | 12-31-2009 |
| 20090323617 | METHOD AND APPARATUS FOR PROVIDING ACKNOWLEDGMENT BUNDLING - An approach is provided for acknowledgement bundling. Dynamically scheduling of one or more of subframes per bundling window is performed by reusing an assignment index field (e.g., downlink assignment index (DAI) field). The assignment index field has a value greater than or equal to number of previously assigned subframes within the bundling window. The bundling window defines a group of subframes for common acknowledgement. | 12-31-2009 |
| 20100027481 | Common resource signaling for multiple types of allocations - The exemplary embodiments of this invention provide a multi-stage approach, where, for example, one number can signal a first type of resource allocation (e.g., a consecutive allocation) or a second type of resource allocation (e.g., a best-M allocation based on best-M channel quality information). In one exemplary embodiment, a method includes: allocating a plurality of resource blocks to obtain a resource allocation; and signaling the resource allocation using an n-bit number, where the n-bit number expresses a value from an overall range of values having a first range of values and a second range of values, where a value within the first range of values specifies a first type of resource allocation and where a value within the second range of values specifies a second type of resource allocation, where the first type of resource allocation is different from the second type of resource allocation. | 02-04-2010 |
| 20100067445 | Apparatus, Methods and Computer Program Products Providing a Common Signaling Entry for a Modular Control Channel Structure - The exemplary embodiments of the invention provide information (e.g., a common control signaling entry) for a control channel. The information may include signaling information about the overall control channel structure in a given sub-frame and/or other common information to assist UEs in decoding the channel (e.g., definitions related to the overall arrangement and parameterization of the channel structure). The information may provide non-UE-specific, common signaling information for the UEs served in the cell. In one exemplary embodiment of the invention, a method includes: providing at least one control channel allocated over at least one set of subcarrier resources, wherein the at least one control channel extends over a number n of multicarrier symbols; and transmitting information via a portion of the sub-carrier resources, wherein the transmitted information is indicative of at least one property of the at least one control channel. | 03-18-2010 |
| 20100080152 | METHOD AND APPARATUS FOR PROVIDING SIGNALING OF REDUNDANCY VERSIONS - An approach is provided for efficient signaling of redundancy version information. A redundancy version signaling module detects the start of a system information radio transmission window and assigns a redundancy version sequence at the start of the transmission window. | 04-01-2010 |
| 20100110878 | METHOD AND APPARATUS FOR PROVIDING CONTROL SIGNALING - An approach is provided for an efficient control signaling associated with an error control scheme. A determination is made whether data has been properly received according to an error control scheme. A first pilot sequence representing an acknowledgement is generated if the data is properly received. A second pilot sequence representing a negative acknowledgement is generated if the data is not properly received. A frame including either the first pilot sequence or the second pilot sequence is output. | 05-06-2010 |
| 20100138718 | METHOD AND DEVICE FOR PADDING OPTIMIZATION OF SEGMENTED TURBO CODES - A method for forming a bit sequence having a number of M bits from a bit sequence having a number of N bits, wherein M/2| 06-03-2010 | |
| 20100208635 | METHOD AND SYSTEM FOR TRANSPORT BLOCK SIZE SIGNALING BASED ON MODULATION TYPE FOR HSDPA - A device for communicating with a mobile device is provided. The devices includes a transmitter. The transmitter transmit a first modulation scheme, a first transport block size, and a first redundancy version to a mobile device. The first transport block size is represented by a first number of bits and the first redundancy version is represented by a second number of bits. The transmitter transmits a packet based on the first modulation scheme to a mobile device. transmitter transmits a second modulation scheme, a second transport block size, and a second redundancy version to the mobile device. The second transport block size is represented by a third number of bits and the second redundancy version is represented by a fourth number of bits, wherein the third number of bits is greater than the first number of bits, and the fourth number of bits is less than the second number of bits. The transmitter transmits the packet based on the second modulation scheme to the mobile device. | 08-19-2010 |
| 20100208666 | CONTROL CHANNELSIN COMMUNICATION NETWORK SYSTEMS - On a transmitting side, control channels represented by nodes of a tree structure are allocated, each of the control channels having at least one control channel element carrying information for a respective identifier used to detect a control channel of the control channels. The allocation is performed by limiting allocation of highest level control channels of the control channels, the highest level control channels being represented by nodes of the tree structure at a highest level of the tree structure. On a receiving side, a control channel is searched for by decoding the allocated control channels, wherein the searching is limited for the highest level control channels. | 08-19-2010 |
| 20100260115 | METHOD AND APPARATUS FOR PROVIDING AUTOMATIC CONTROL CHANNEL MAPPING - An approach is provided for control signaling. A sub-set of channel parameters is received. Control channels are automatically mapped to physical resources of a communication network according to the received channel parameters. | 10-14-2010 |
| 20100260117 | TPC Command Signaling In Dl Control Channel Identifying the Target and Limiting Blind Decoding - The present invention provides a method for long term evolution in 3GPP. More particularly, the transmission of transmission power control command signaling in a down link control channel to user equipment. The present invention also provides a method and apparatus for identifying a target user equipment for a transmission power control command. The transmission power control command for physical uplink control channel and for persistent physical uplink shared channel assignments is transmitted via a downlink control channel format | 10-14-2010 |
| 20100284348 | METHOD AND APPARATUS FOR ALLOCATING RESOURCES USING NESTED BIT MAPPING - An approach is provided for generating a control signal for allocating one or more physical resource blocks to a terminal for communicating over a network. The control signal is separately coded and utilizes a nested bit mapping scheme to specify the allocation. | 11-11-2010 |
| 20100284360 | Channel Allocation When Using Measurement Gaps with H-ARQ - A user equipment (UE) receives a first dynamic resource allocation on a first channel (PDCCH), then sends data according to the first resource allocation. During a time at which an ACK/NACK for the sent data is scheduled to occur on a second channel (PHICH), the UE is engaging in an activity that takes priority over the ACK/NACK. The UE then receives a second dynamic resource allocation on the first channel and determines the ACK/NACK for the sent data from the second dynamic resource allocation. The determining can be direct, as in receiving a zero-valued resource allocation; or it may be indirect as in mapping the second dynamic resource allocation to the second channel and receiving the acknowledgement on the second channel after that mapping. Also detailed are similar mirror actions from the Node B's perspective, as well as apparatus, methods, and embodied computer programs. | 11-11-2010 |
| 20100290420 | SCHEDULING AHEAD FOR IMPROVING DATA TRANSMISSION IN CASE OF MEASUREMENT - An approach is provided for scheduling communication resources to minimize the effects of a measurement gap. The timing between a resource allocation grant for a communication link, corresponding data transmission, and associated error control transmissions is delayed to avoid transmitting data to or receiving data from a user equipment during a measurement gap. | 11-18-2010 |
| 20100290509 | System and Method for Efficient Half Duplex Transceiver Operation in a Packet-Based Wireless Communication System - Systems and methods for providing half duplex user equipment in a packet based radio frequency signaling communication system. User equipment with half duplex receiver and half duplex transmitter on IC providing a transceiver capability performs a cycle of receiving downlink messages for a predetermined number of sub frames, shifting to a transmit mode, transmitting uplink messages for the predetermined number of sub frames, shifting to a receive mode, and repeating the cycle of half duplex sub frames. A discontinuous reception function performs a DRX protocol wherein power is reduced to the transceiver for a period of time. A determination is made at the end of the discontinuous reception period to see if the half duplex cycle is at an uplink sub frame; if so, the end of the discontinuous reception is shifted by the user equipment to a downlink sub frame by adding a delay. | 11-18-2010 |
| 20100322324 | MAPPING PHICH RESOURCES - Transmissions are received on a plurality of uplink physical resource blocks. An acknowledgement or negative acknowledgement for each of the received transmissions is mapped to a downlink channel, such that linear increasing sequential indices of the physical resource blocks map to linear increasing sequential indices of n groups of the downlink channel which repeat until all the physical resource blocks are mapped, in which the downlink channel comprises a plurality of n groups. | 12-23-2010 |
| 20110038331 | Control Channel Transmission With Component Carrier Aggregation - In accordance with the exemplary embodiments of the invention there is at least a method, apparatus, and computer program configured to compose signaling to include a component carrier indicator in a content of a downlink control information only when a size of an original part of a downlink control information on a scheduling component carrier is larger than or equal to an individual size of any corresponding downlink control information on at least one cross-scheduled component carrier, and to transmit the composed signaling to at least one user equipment. | 02-17-2011 |
| 20110038431 | Transmitting Node B Load Status Information in a Self Organising Network - The application relates to wireless transmission of load status information for load balancing among Home Node Bs (HNB) or Local Area Node Bs (LNB) for which an X2 interface is not available. In particular, an LNB may pretend to be a user equipment with a specific predefined user equipment ID value. A neighbouring LNB which receives a data packet with this user equipment ID value knows that the data packet contains load information monitored, by a neighbouring LNB. | 02-17-2011 |
| 20110053601 | Cell Configuration for Self-Organized Networks with Flexible Spectrum Usage - The present invention relates to methods and apparatuses for controlling cell configuration in a cellular network, wherein a cell identity and a local cell spectrum resource entity or profile are assigned to an access device in response to a result of sensing a local radio environment at said access device to detect possible neighbor cells. The assigned local cell spectrum resource entity or profile is used to allocate cell spectrum resource from a shared multi-operator spectrum to said access device. | 03-03-2011 |
| 20110086657 | CELL SEARCH FOR FLEXIBLE SPECTRUM USE - Structure of a multi-carrier flexible spectrum wireless cell is determined from received synchronization or broadcast channels of detected individual carriers. The determined structure is used to select an intended carrier for initial access or cell reselection to the flexible spectrum wireless cell. The structure may have carriers compatible with an earlier version (LTE/Release | 04-14-2011 |
| 20110130150 | METHODS AND APPARATUS FOR SERVICE-AWARE ENERGY SAVING AND LOAD BALANCING OPERATIONS - In accordance with an example embodiment of the present invention, a method comprises establishing a plurality of mode priorities one for each of a plurality of technology modes supported by a user equipment (UE) and selecting a target technology mode that meets at least one current user service requirement of the user equipment and maximizes a power saving based at least in part on a mode priority associated with the target technology mode. The method also includes causing the user equipment to camp on the selected target technology mode and balancing a resource allocation based in part on the selected target technology mode. | 06-02-2011 |
| 20110161766 | REDUNDANCY STRATEGY SELECTION SCHEME - The present invention relates to a method, a terminal device and a network device for providing redundancy parameters for an automatic repeat request processing at a terminal device. The method includes selecting a redundancy strategy for an automatic repeat request processing at the terminal, and transmitting information indicating the selected redundancy strategy to the terminal device for generating redundancy parameters for the automatic repeat request processing at said terminal device. The information includes at least one of an index and a pointer to the selected at least one sequence. | 06-30-2011 |
