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 |
20100157919 | ENHANCED ALLOCATION AND SIGNALING OF RADIO FRAMES CONTAINING MULTIMEDIA BROADCAST SINGLE FREQUENCY NETWORK SUBFRAMES - The Exemplary embodiments of the invention provide at least a method, apparatus, and computer program for signaling parameters to at least one network node in a communications network. In accordance with the exemplary embodiments, the signaling is performed by operations that include, signaling a first parameter A, and jointly signaling, to the at least one network node in the communications network, a second parameter B and a third parameter C. In addition, the exemplary embodiments of the invention provide at least a method, apparatus, and computer program for receiving parameters from at least one network node in a communications network by operations that include receiving signaling comprising a first parameter A and joint signaling indicating a second parameter B and a third parameter C, and extracting the parameters from the received signaling. | 06-24-2010 |
20100195558 | SCHEDULING OF DYNAMICALLY MULTIPLEXED SERVICES IN A WIRELESS NETWORK - Various example embodiments are disclosed relating to uniform scheduling of dynamically multiplexed services in a wireless network. According to an example embodiment, a technique may include determining an amount of offered data for a service multiplex to be transmitted exceeds a radio resource reservation for the service multiplex, the service multiplex including a plurality of services; selecting one of the services for a packet drop based on a number of packets offered for each service and a number of packets previously dropped by the base station for each service; dropping a packet of the selected service; and transmitting the data for each service via an associated wireless bearer. Various criteria may be used to select one of the services for packet drop, such as a packet loss rate (or an adjusted packet loss rate), priority of the service, or other criteria such as a service identifier for each service. | 08-05-2010 |
20100195582 | Method and Apparatus for Signaling Neighbor Cell Transmission Frame Allocations - In accordance with an example embodiment of the present invention, a method is disclosed that comprises receiving at a base station an indication of a first resource allocation in each of one or more neighbor base stations, and transmitting to at least one associated user equipment a message comprising a second indication of whether the first resource allocations of the one or more neighbor base stations are a subset of a second resource allocation of the base station. | 08-05-2010 |
20100329452 | Generation of key streams in wireless communication systems - Security key stream generation in a communication apparatus. The method includes using a count parameter and a bearer parameter as input, value of said count parameter being incremented as security key streams are generated and value of the count parameter having a finite maximum value; detecting value of the count parameter reaching a predetermined value; and responsive to the detecting, changing value of the bearer parameter into a new value, and resetting value of the count parameter to a value below the maximum value. | 12-30-2010 |
20110013554 | APPARATUS AND METHOD FOR ALLOCATION OF SUBFRAMES ON A MIXED CARRIER - Methods and apparatus, including computer program products, are provided for allocating subframes of a mixed carrier. In one aspect, there is provided a method. The method may include allocating subframes within radio frames transmitted to a user element. Moreover, the method may include transmitting, to the user element, a message comprising an indication of the allocation. The indication may be representative of the allocation within the subframes of consecutive radio frames, without the indication identifying the radio frames including the allocated subframes. Related apparatus, systems, methods, and articles are also described. | 01-20-2011 |
20110021224 | SIMPLE DISTRIBUTED COODINATION AMONG CELLS TO ACHIEVE EFFICIENT DYNAMIC SINGLE-FREQUENCY NETWORK (SFN) OPERATION - A system and method for controlling base stations for multimedia broadcast communications. In one embodiment, a base station | 01-27-2011 |
20110044225 | METHOD FOR PROVIDING A PLURALITY OF SERVICES - A method comprising providing a plurality of services to be transmitted over a common area by a plurality of nodes; and providing information relating to a quantity of data of said plurality of services for all of said services to said plurality of nodes. | 02-24-2011 |
20110222411 | REDUCTION OF UNNECESSARY DOWNLINK CONTROL CHANNEL RECEPTION AND DECODING - A method for channel signaling is described. The method includes determining (e.g., by a UE) whether at least one DL subframe is a valid reference resource. If the at least one DL subframe is not a valid reference resource, reporting measurements of a DL channel measured during the at least one DL subframe is inhibited. The method may include determining (e.g., by an eNB) whether reporting of the at least one DL subframe of a DL channel is required. If reporting is not required, a message configured to cause the at least one UE to inhibit reporting measurements of the DL channel (e.g., CQI measurements) measured during the at least one DL subframe is sent to the UE. Determining whether the at least one downlink subframe is a valid reference resource is based at least in part on the message. Apparatus and computer readable media are also described. | 09-15-2011 |
20110310783 | Method and Apparatus for Fair Scheduling of Broadcast Services - In accordance with an example embodiment of the present invention, a method comprises a) receiving at a base station from a core network entity a plurality of data packets scheduled for transmission during a scheduling period and synchronization information for a plurality of service bearers; b) determining whether there is an overflow condition based on the received synchronization information and transmission resources reserved for the plurality of service bearers for the scheduling period in a single-frequency network; c) upon determining that the overflow condition is present, selecting among the plurality of service bearers at least one service bearer based on a bearer selection function, wherein the bearer selection function results in selecting the service bearer with a highest value or a lowest value of a ratio of two quantities each with a specific value for each of the plurality of service bearers, and wherein the bearer selection function does not directly compute any ratio; and d) dropping a data packet from the selected at least one service bearer. | 12-22-2011 |
20120008525 | APPARATUS AND METHOD FOR FACILITATING RADIO RESOURCE DIMENSIONING FOR COMMUNICATION SERVICES - An example apparatus is provided that receives at least one parameter value, for each of one or more communication bearers, where the at least one parameter value, for a communication bearer, describes a data rate probability distribution, for the same bearer, associated with time intervals with a fixed time duration. The apparatus estimates an amount of radio resources to allocate to at least one communication bearer of the one or more communication bearers, based at least in part on the received parameter values and the fixed time duration. The apparatus then allocates the estimated amount of radio resources to the at least one communication bearer of the one or more communication bearers. | 01-12-2012 |
20120096519 | Methods and Apparatuses for Avoiding Denial of Service Attacks By Rogue Access Points - Methods and apparatuses are provided for avoiding denial of service attacks by rogue access points. A method may include attempting to verify activation of access stratum security by an access point based at least in part upon integrity protection information included in a received security mode command message sent by the access point, wherein a radio connection has been established with the access point. The method may further include detecting an occurrence of a security activation deadlock. The method may additionally include determining that a predefined number of security activation deadlocks with the access point have occurred. The method may also include identifying the access point as a rogue access point based at least in part upon the determination that a predefined number of security activation deadlocks with the access point have occurred. Corresponding apparatuses are also provided. | 04-19-2012 |
20130013926 | Method and Apparatus for Device-to-Device Key Management - Various methods for device-to-device key management are provided. One example method includes receiving a communication mode change command requesting a mode change to device-to-device communications, and generating a local device security key based on a secret key and a base value. The local device security key may be configured for use in device-to-device communications. The example method may also include receiving a security key combination value, and deconstructing the security key combination value using the local device security key to determine a peer device security key. The peer device security key may be configured for use in device-to-device communications. Similar and related example methods and example apparatuses are also provided. | 01-10-2013 |
20130229952 | METHOD AND APPARATUS FOR AVOIDING INTERFERENCE BETWEEN MULTIPLE RADIOS IN A USER EQUIPMENT - In accordance with an example embodiment of the present invention, an apparatus, comprising at least one processor; and at least one memory including computer program code; the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus to perform at least the following: deciding to switch to a half-duplex mode of operations upon detecting a triggering condition including that multiple radio stacks are activated at the apparatus simultaneously; signaling an associated base station the decision of switching to the half-duplex mode half-duplex mode; and entering the half-duplex mode of operation, is disclosed. | 09-05-2013 |
20130315150 | Methods and Devices for Estimating Terminals' Interest in Services - The present invention proposes a device including a receiver module configured to receive data from a respective terminal's logging memory, and a processor module configured to process the received data to calculate an estimate for the conditional probability for a random terminal, while being interested in a service, to be in a specific state. Also, the present invention proposes correspondingly configured terminals, together with respective methods. | 11-28-2013 |
20140003378 | Radio Link Control | 01-02-2014 |
20140010142 | Cell Selection Depending on MBMS Capability - A method of mobility management in a cellular system includes determining from a first received indication that at least one communication device intends to receive a multimedia broadcast multicast service or is receiving a multimedia broadcast multicast service. The information is sent to the at least one communication device relating to at least one multimedia broadcast multicast service capable cell. The method further includes receiving from the at least one communication device a report including measurement information of the at least one multimedia broadcast multicast service capable cell. The method finally includes initiating selecting at least one cell on at least one carrier for the at least one communication device, the at least one carrier including one or more cells capable of providing a multimedia broadcast multicast service. | 01-09-2014 |
20140126447 | Voice Group Call Service Over Multimedia Broadcast Multimedia Services Bearers - The invention relates to an apparatus including: at least one processor and at least one memory including a computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to: convey group-service-specifically group-service data targeted to at least one group of devices by using at least one broadcast-service bearer, and indicate the at least one broadcast-service bearer being active for group-service data conveyance even when the group-service data is not conveyed. | 05-08-2014 |
20140301188 | DELIVERY OF PROTOCOL DATA UNITS - Delivery of protocol data units or other suitable data or information units in various communication systems can be enhanced by appropriate methods and devices. For example, in-sequence delivery of protocol data units received in parallel from several lower-layer acknowledged-mode protocol entities may benefit from timers and/or forwarding status reports. A method can include observing a gap in a sequence of protocol data units received from a plurality of lower-layer protocol entities providing data transfer. The method can also include starting a timer upon the gap observation. The method can further include preventing the gap from blocking delivery of service data units to a higher layer, when the timer expires. The method can additionally include detecting a forwarding-status report. The method can also include immediately proceeding with data delivery to higher layer, containing the gaps because of the lack of forwarding at handover. | 10-09-2014 |
20140301281 | PER-PROTOCOL DATA UNIT DELIVERY-PATH INDICATION - Indication of delivery-path information may benefit various communication systems. For example, wireless communication systems may benefit from per-protocol data unit delivery-path indication to data recipient or from setting a timer expiry value dependent on such received information. A method can comprise sending, by a data-sending protocol entity, a control protocol data unit. The control protocol data unit can identify protocol data units destined to a data-receiving protocol entity. The method can also comprise providing in the control protocol data unit, for each of the identified protocol data units, a direct or indirect indication of at least one delay figure of a delivery path chosen for an initial transmission of the identified protocol data unit. | 10-09-2014 |
20140301362 | DELIVERY OF PROTOCOL DATA UNITS - Delivery of protocol data units or other suitable data or information units in various communication systems can be enhanced by appropriate methods and devices. For example, in-sequence delivery of protocol data units received in parallel from several lower-layer acknowledged-mode protocol entities may benefit from timers and/or forwarding status reports. A method can include observing a gap in a sequence of protocol data units received from a plurality of lower-layer protocol entities providing data transfer. The method can also include starting a timer upon the gap observation. The method can further include preventing the gap from blocking delivery of service data units to a higher layer, when the timer expires. The method can additionally include detecting a forwarding-status report. The method can also include immediately proceeding with data delivery to higher layer, containing the gaps because of the lack of forwarding at handover. | 10-09-2014 |
20140307616 | METHOD AND APPARATUS TO IMPROVE MBMS COUNTING IN LTE - A method comprising: receiving a first message at a user equipment from a first apparatus; receiving from a primary access node at least one network identifier value; comparing a user equipment registered network identifier value to the at least one network identifier value from the primary access node; and responding to the first message dependent on the user equipment registered network identifier value being equal to any primary access node network identifier value. | 10-16-2014 |
20150016367 | Providing a Radio Bearer on a Plurality of Component Carriers - There is provided a radio bearer to user equipment on a first component carrier by a first network node and on a second component carrier via a second network node connecting to the first network node; and receiving data units of the radio bearer on the first component carrier on the basis of the first network node terminating a protocol bearer of the radio bearer. | 01-15-2015 |
20150055539 | Reporting for MBMS - The invention relates to an apparatus including at least one processor and at least one memory including a computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to: obtain information concerning signal quality, obtain information on location of a cell in relation to a multimedia service area, wherein the information concerning signal quality is created, and control utilizing the information concerning signal quality in a network based on the information on the location of a the cell in relation to the multimedia service area. | 02-26-2015 |
20150055620 | Devices, Methods and Computer Program Products for an Improved Handover in Inter-Site Carrier Aggregation Scenarios - A device, communicates with a terminal in association with at least a first other device, using at least two carriers, wherein at least a first carrier towards the terminal is established from the device and at least a second carrier is established towards the terminal from the first other device. The device receives a report indicative of a connection quality of the first carrier, responsive thereto issues a request for handover of the first carrier towards a second device, sends relocation information in relation to the first carrier towards the first other device, and only after sending that relocation information, commands the terminal to perform a handover of the first carrier to the second device. Such device, in cooperation with other devices, accomplishes an optimized handover in terms of a primary component carrier relocation from a serving eNB towards a target eNB, while a secondary component carrier is maintained. | 02-26-2015 |
20150055621 | Devices, Methods and Computer Program Products for an Improved Handover in Inter-Site Carrier Aggregation Scenarios - A handover process is proposed in a carrier aggregation scenario, in which there is encompassed a device communicating with a terminal in association with at least another device, using at least two carriers. At least a first carrier towards the terminal is established from the at least one another device and at least a second carrier is established towards the terminal from the device. A control module of the device is configured to suspend ongoing traffic between the device and the terminal on the second carrier, perform re-establishment of one or more protocol entities communicating over bearers between the device and the terminal on the second carrier, and resume traffic between the device and the terminal on the second carrier. The suspending is triggered by a first instruction received from a first one of the at least one another device, and the resuming is triggered by a second instruction received. | 02-26-2015 |
20150078241 | METHOD AND APPARATUS FOR SUPPORTING MULTICAST DELIVERY - A method and apparatus can be configured to determine an indicator based on a received request. The method can also include transmitting the indicator towards a base station. The indicator affects the coverage of a multicast-broadcast single-frequency network transmission. | 03-19-2015 |