Patent application number | Description | Published |
20080212608 | Method, apparatus and computer program to signal additional modulation scheme without additional signalling overhead - A method and apparatus are provided for jointly encoding bits containing information about an existing modulation technique or an existing antenna transmission technique in order to extend signaling to include new information about an additional modulation technique or the use of an additional antenna transmission technique without having to increase the number of bits transmitted in the signaling; and conveying the new information in unused combinations of the encoded bits. The signaling may take the form of a high speed shared control channel (HS-SCCH) that forms part of a high speed downlink packet access (HSDPA). In some embodiments, the existing modulation technique may include quadrature phase shift keying (QPSK), 16 quadrature amplitude modulation (16QAM), or some combination thereof, and the additional modulation technique may include 64 quadrature amplitude modulation (64QAM). | 09-04-2008 |
20080227423 | METHOD TO ENABLE OPEN LOOP ANTENNA TRANSMIT DIVERSITY ON CHANNELS HAVING DEDICATED PILOTS - Methods, computer-readable media, and devices are provided that support antenna diversity in a communication system. In an exemplary method, a signal is received from a first device at a second device in a first channel. A determination is made concerning whether or not transmit diversity is applied to the first channel. If transmit diversity is applied to the first channel; a first channel estimate is determined based on a first pilot signal received from the first device and a second channel estimate is determined based on a second pilot signal received from the first device. The received signal is decoded based on the first channel estimate and the second channel estimate. | 09-18-2008 |
20090073904 | Power for uplink acknowledgment transmission - The specification and drawings present a new method, system, apparatus and software product for defining/setting a power of a dual acknowledgement signal provided in an uplink by a user equipment to a network element (e.g., Node B) for acknowledging two transport blocks, e.g., comprised in one TTI, transmitted in a downlink by the network element, according to a predetermined criterion, wherein the user equipment and the network element can be configured to support a multiple input multiple output (MIMO) mode and/or a high speed downlink packet access. | 03-19-2009 |
20120040685 | METHOD AND APPARATUS FOR A BUFFERING SCHEME FOR OTDOA BASED LOCATION POSITIONING - In accordance with an example embodiment of the present invention, a method comprises receiving a plurality of reference signals (RS) from a plurality of nearby cells over a positioning time window comprising a plurality of positioning occasions; grouping the received reference signals into a set of RS groups based on a time difference between a minimum expected RS time difference (RSTD) and a maximum expected RS time difference of the received signals; buffering a subset of the set of RS groups of the received reference signals in a RS buffer whose size is based at least in part on a buffering margin and is smaller than a maximum possible time difference; measuring the buffered reference signals; and generating an observed time difference of arrival (OTDOA) report based on the buffered subset of the set of RS groups of the received reference signals. | 02-16-2012 |
20120099444 | INTERFERENCE CONTROL - A method for controlling interference is described. The method includes receiving an indication that a first carrier is not received by a first base station and a second carrier is received by the first base station ( | 04-26-2012 |
20120178445 | Discontinuous Reception for Multi-Component Carrier System - A method includes operating a user equipment to initiate monitoring of a control channel associated with a particular component carrier for determining if the user equipment is scheduled by the control channel associated with the particular component carrier. In response to determining that the user equipment is not scheduled, autonomously terminating the monitoring of the control channel associated with the particular component carrier. A further method includes establishing a set of rules defining how and when a user equipment autonomously deactivates use of component carriers transmitted by a network access node. The network access node assumes, in response to the network access node not scheduling the user equipment in a control channel of a particular component carrier for some period, that the user equipment has autonomously deactivated monitoring of the control channel of the particular component carrier Various apparatus and computer programs are also disclosed that operate in accordance with the methods. | 07-12-2012 |
20120300667 | Activation and Deactivation of Component Carrier Measurements Based on Thresh-Old Settings - In accordance with an exemplary embodiment of the invention there is at least a method, computer program, and apparatus for receiving over a first component carrier from a serving cell at least one of a first threshold and a second threshold, and performing at least one of: measuring the first component carrier and determining if the measurement exceeds the first threshold, and utilizing the second threshold and determining if a neighboring cell is a potential candidate for scheduling on a second component carrier. | 11-29-2012 |
20120327910 | Activating Component Carriers in a Carrier Aggregation - In an exemplary embodiment there is sent to a user equipment UE downlink control information DCI comprising an indication of an access codeword and an indication that at least one component carrier CC is activated for the UE, and there is received from the UE the access codeword which is an acknowledgement that the UE has activated the at least one CC. The access codeword is received on an uplink channel which a) lies in the at least one activated CC if there is an activated uplink channel in the activated CC, or b) is previously activated if there is no activated uplink channel in the activated CC. In another embodiment DCI comprising the above two indications is received from a network, the received indications are used to select and access the at least one CC; and activating the CC is acknowledged by sending the access codeword. | 12-27-2012 |
20140043989 | REDUCED USER EQUIPMENT IMPACT FROM PERFORMING WIDER BANDWIDTH MEASUREMENTS - Methods and apparatus, including computer program products, are provided for wide bandwidth measurements. In some example embodiments, there is provided a method. The method may include receiving, at a user equipment, an indicator and a measurement bandwidth, wherein the indicator represents whether the user equipment is enabled to perform a wide bandwidth measurement, and wherein the received measurement bandwidth represents a maximum allowed measurement bandwidth; and performing, by the user equipment, the wide bandwidth measurement, when the received measurement bandwidth equals or exceeds a threshold and the indicator represents a request to the user equipment to perform the wide bandwidth measurement. Related apparatus, systems, methods, and articles are also described. | 02-13-2014 |
20140068307 | ENHANCED POWER SAVING OPTIMIZED CONFIGURATION HANDLING - Methods and apparatus, including computer program products, are provided for power savings. In one aspect there is provided a method. The method may include sending, by a user equipment, an indication to a network, wherein the indication represents whether there is a preference for power savings at the user equipment; and performing, at the user equipment when the indication is sent, one or more actions to implement power savings at the user equipment. Related apparatus, systems, methods, and articles are also described. | 03-06-2014 |
20140334369 | RADIO USAGE OPTIMIZATION WITH INTERMITTENT TRAFFIC - In accordance with the exemplary embodiments of the invention there is at least a method and apparatus to perform a method of determining assistance information associated with intermittent background traffic of at least one of applications and services running on user equipment, and sending said assistance information towards a serving network element. Further, in accordance with the exemplary embodiments of the invention there is at least a method and apparatus to perform a method of receiving signaling at a user equipment from a radio access network, the signaling indicating an interval when the user equipment can at least one of transmit and receive intermittent background traffic associated with at least one of applications and services miming on the user equipment, and performing an access from an idle state at the indicated interval. | 11-13-2014 |
20150016381 | RE-SELECTION OPTIMIZATION FOR PACKET AND CIRCUIT SWITCHED CONNECTIONS - A user equipment UE determines from downlink signaling at least two different types of priority information for at least a first and a second cell. These cells operate simultaneously in a same area with different radio access technologies RATs (inter-RAT neighbors) and/or with different carrier frequencies (inter-frequency neighbors). The UE checks a characteristic of data that is to be wirelessly exchanged, and selects between those cells for establishing a wireless connection, based on which of those types of priority information correspond to that characteristic of the data. In the examples the different types of priority information are circuit switched CS and packet switched PS. The characteristic the UE checks for the data may be: CS voice call or PS data; volume; latency tolerance; active or background mode; and minimum QoS; to name a few. The downlink signaling may be broadcast or a page. | 01-15-2015 |
20150030001 | UE REPORTING OF MOBILITY INFORMATION USEFUL FOR OPTIMIZING UE PARAMETER SETTINGS - A method includes determining that reporting of user equipment mobility information is to be performed. The method further includes reporting, responsive to the determining, the user equipment mobility information, the user equipment mobility information concerning at least a time period in one or both of an idle state or a connected state since a transition by the user equipment to a cell, or since a transition by the user equipment to or from a connected state with a cell, Apparatus, systems, computer programs, and computer program products are also disclosed. | 01-29-2015 |
20150045031 | METHODS, APPARATUSES AND COMPUTER PROGRAM PRODUCTS FOR OPTIMIZING MOBILITY IN HETEROGENEOUS NETWORKS - An apparatus for facilitating mobility management may include a processor and memory storing executable computer code causing the apparatus to at least perform operations including receiving a mobility timer from a network device. The computer program code may further cause the apparatus to start a time period of the received mobility timer in response to entering a cell. The computer program code may further cause the apparatus to determine whether the cell is changed to a different cell prior to expiration of the time period associated with the mobility timer. Corresponding methods and computer program products are also provided. | 02-12-2015 |