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Maik Bienas, Braunschweig DE

Maik Bienas, Braunschweig DE

Patent application numberDescriptionPublished
20080219223COMMUNICATION NETWORK UNIT AND METHOD FOR EXCHANGING CAPABILITY INFORMATION - A communication network unit having a memory for storing, for each communication terminal of a plurality of first communication terminals which are each associated with a same user identification, information about communication capabilities of the respective communication terminals a determining unit for determining which communication capabilities can be used for communicating with the user identified by the user identification based on the information about the communication capabilities of the first communication terminals, and a signaling unit for signaling to a second communication terminal which communication capabilities can be used for communicating with the user identified by the user identification.09-11-2008
20090042532DETERMINING A RECEIVING QUALITY IN A RADIO COMMUNICATION DEVICE - A radio communication device including a receiver configured to receive radio signals, a measurement circuit configured to measure the receiving quality of received radio signals, and a controller configured to control the measurement circuit such that a first measurement is carried out using a first frequency bandwidth, thereby determining a first receiving quality, and if the determined first receiving quality fulfills a first receiving quality criterion, a second measurement is carried out using a second frequency bandwidth, wherein the second frequency bandwidth is larger than the first frequency bandwidth, thereby determining a second receiving quality.02-12-2009
20090086791METHOD FOR DATA TRANSMISSION AND COMMUNICATION SYSTEM - In one embodiment, a method for data transmission is provided comprising determining a set of frequency bands available for data transmission from a plurality of frequency bands; determining whether there is a frequency band of the plurality of frequency bands that lies between two frequency bands of the set of frequency bands and is not in the set of frequency bands; selecting, in case that there is a frequency band of the plurality of frequency bands that lies between two frequency bands of the set of frequency bands and is not in the set of frequency bands, another set of frequency bands from the plurality of frequency bands such that there is no frequency band of the plurality of frequency bands that lies between two frequency bands of the other set and is not in the other set; and transmitting the data using the other set of frequency bands.04-02-2009
20090170441RADIO COMMUNICATION DEVICE AND METHOD FOR PROCESSING MEASUREMENT CONTROL INFORMATION IN A COMMUNICATION DEVICE - In various embodiments, a communication device and a method for processing measurement control information in a communication device are provided. In an embodiment, system information and a system information identifier are stored by the communication device in a first connection state and the system information identifier is transmitted to the network communication device after changing to a second connection state.07-02-2009
20090191883METHOD AND DEVICE FOR TRANSMITTING DATA - A method for transmitting data including determining at least one allowable time period which is allowed to be used for data transmission via a communication channel during a time interval which is pre-defined as a transmission gap for the communication channel for carrying out measurements in a first frequency range which is different from a second frequency range used for data transmissions via the communication channel; and transmitting data during the at least one allowable time period via the communication channel.07-30-2009
20090296609Adaptive operational full-duplex and half-duplex FDD modes in wireless networks - Methods and apparatus that enable a wireless network system to dynamically change between full-duplex FDD operation and half-duplex FDD operation in order to take advantage of operational aspects of both modes. In one embodiment, an alternative duplex mode of operation is disclosed (semi-static half duplex FDD operation) that enables coordination between the client device (e.g., UMTS UE) and the base station in order to centralize control of radio resource control (RRC) to the base station. The disclosed methods and apparatus may also advantageously incorporate hybrid ARQ (HARQ) or comparable timing requirements into their operation.12-03-2009
20090296641Wireless femtocell setup methods and apparatus - Methods and apparatus that enable a wireless femtocell to operate in its designated frequency so as to minimize interference between the wireless femtocell and neighboring base stations (and other femtocells or nomadic cells). In one exemplary embodiment, the femtocell cell comprises a UMTS (Universal Mobile Telecommunications System) femtocell which has the ability to scan the air interface in a manner similar to that associated with a UE in order to identify unallocated resources within the wireless network, and subsequently request access for the unallocated resources. Business methods useful in combination with the aforementioned methods and apparatus are also disclosed.12-03-2009
20090305671Network access control methods and apparatus - Methods and apparatus that provide user access control within wireless networks such as those having both fixed and portable nodes. In one embodiment, the network comprises a 3G cellular network or Interworking WLAN (iWLAN), and the portable nodes comprise Home Node B (HNB) base stations. The HNB is configured to authenticate new users, and provide network access while still maintaining user privacy. The portable nodes also may operate in a number of different operating modes which provide different functional control over user access. In one variant, an easy-to-use owner-assigned ID based access control mechanism with a reliable unambiguous user ID is utilized. Methods for providing access control across differing network architectures and protocols, such the aforementioned iWLAN, and business methods, are also described.12-10-2009
20090325634RADIO COMMUNICATION DEVICE AND METHOD FOR CONTROLLING RESOURCE ALLOCATIONS - In an embodiment, a radio communication device is provided. The radio communication device may include a radio communication device control message generation circuit configured to generate a radio communication device control message including allocation information to control a radio resource allocation for radio communication devices of at least two groups of radio communication devices, the radio resource allocation being provided by another radio communication device.12-31-2009
20100002582Apparatus and methods for managing access and update requests in a wireless network - Methods and apparatus that enable a wireless network to detect and manage impending congestion events caused by a plurality of mobile devices attempting to access the network in a brief space of time. In one embodiment, the network comprises a 3g (UMTS) cellular network, and includes a congestion management and avoidance entity that preemptively triggers a collision mode upon detecting an impending congestion event. This mode advantageously reduces processing burden on the base station by causing the mobile devices (UEs) to halt current access attempts, and invoke a multiple access scheme (e.g., wait a random amount of time before attempting further access attempts). The comparatively early detection and avoidance of collisions reduces the mobile device's power consumption, while addressing congestion events early in the wireless communication process so as to maintain optimal network conditions.01-07-2010
20100008447METHOD AND DEVICE FOR TRANSMITTING A PLURALITY OF DATA SYMBOLS - A method for transmitting a plurality of data symbols using a plurality of transmit antennas and a plurality of transmission resources is described, in which transmission symbols are generated and associated with the transmit antennas and transmission resources in such a way, such that if this association is represented in the form of a matrix, this matrix can be represented as the combination of two matrices comprising as components the data symbols multiplied with at least partially different weighting factors01-14-2010
20100062779SYSTEM AND METHOD FOR REDUCED INTERRUPTION TIME IN MOBILE COMMUNICATIONS - A method and mobile communication device that reduce communication interruption time when a base station stops operating are described. The mobile communication device is wirelessly connected to a cell operated by a base station. The method includes determining a fallback cell, obtaining parameters to quickly establish a wireless connection to the fallback cell, determining that the base station is stopping operation, and using the parameters to quickly establish a wireless connection to the fallback cell. Also described are a base station and method for the base station to reduce communication interruption time. The method includes determining that the base station is stopping operation, switching to a backup power source if the base station is stopping operation due to loss of power, and transmitting a message to the mobile communication devices connected to the base station that they should switch to a fallback cell, since the base station is stopping operation.03-11-2010
20100080323Methods and apparatus for partial interference reduction within wireless networks - Methods and apparatus that enable one or more wireless networks to minimize inter-cellular interference (ICI) at a receiver. In one embodiment, the network comprises an OFDM-based cellular network, and the method comprises utilizing a priori knowledge of non-data portions of signals from multiple base stations in order to schedule transmissions. In one variant, these non-data portions comprise pilot tones; the pilot tones can be scheduled onto various time-frequency resources of the network so as to minimize ICI. The mobility context of the receiver can also be used as a basis for dynamically adjusting the pilot tone density. In another variant, precoding (e.g., Tomlinson-Harashima preceding) can be applied to “shape” the non-data portions of the transmitted signals so as to mitigate ICI. In yet other variants, frame preambles and learning sequences are used as the basis for invoking selective transmission time shifts across the potentially interfering base stations so as to minimize ICI.04-01-2010
20100081451Methods and apparatus for resolving wireless signal components - Methods and apparatus enabling a wireless network to generate data that can be used by a receiver (e.g., UE) to resolve the contributions of individual transmitters, such as to determine its location without resort to external devices such as GPS satellites. In one embodiment, the wireless network comprises a single frequency network (SFN), and a unique base station identifier is embedded within the data, and encoded in a manner which allows the UE to calculate path characteristics (such as path latency, and Direction of Arrival) to triangulate its position. In one variant, the data encoding comprises weighting frames of data from different base stations using an orthogonal matrix. Advantageously, the encoding and embedded identifier are also transparent to legacy UE, thereby allowing for implementation with no infrastructure or UE modifications other than software. Network and user apparatus implementing these methodologies, and methods of doing business, are also disclosed.04-01-2010
20100113041METHOD OF SIGNALLING SYSTEM INFORMATION, METHOD OF RECEIVING SYSTEM INFORMATION, RADIO BASE STATION AND RADIO COMMUNICATION TERMINAL - A method of signalling system information and a method of receiving system information are provided. The method of signalling system information includes broadcasting a piece of system information in a radio cell, the piece of system information indicating that a first portion of a frequency spectrum, the frequency spectrum being available for the radio cell, is assigned to a first radio mode, the piece of system information further indicating that a second portion of the frequency spectrum is assigned to a second radio mode, the second radio mode being different from the first radio mode. A radio base station is configured to perform the method of signalling system information. A radio communication terminal is configured to receive the broadcasted piece of system information.05-06-2010
20100113053METHOD OF ACCESSING A PHYSICAL RANDOM ACCESS CHANNEL, METHOD OF SIGNALLING ACCESS INFORMATION FOR ACCESSING A PHYSICAL RANDOM ACCESS CHANNEL, MOBILE COMMUNICATION TERMINAL AND BASE STATION - A method of accessing a physical random access channel, a method of signaling access information for accessing a physical random access channel, a mobile communication terminal and a base station are provided. The method of accessing a physical random access channel comprises selecting a plurality of transmission time intervals from transmission time intervals being allowed for accessing a physical random access channel, randomly selecting one transmission time interval of the plurality of transmission time intervals, and accessing the physical random access channel in the randomly selected transmission time interval. A mobile communication terminal is configured to carry out the method.05-06-2010
20100195586Multiband-operation in wireless communication systems - A method and wireless communication network that employs adapted control channel information to facilitate centralized and distributed scheduling of network resources for a network with mobile communication devices of differing bandwidth capabilities are described. The method includes transmitting control channel data of a first format over a control channel, wherein the control channel data of the first format conveys information related to data transmitted within a first frequency band and transmitting control channel data of a second format over the control channel, wherein the control channel data of the second format conveys information related to data transmitted over one or more frequency bands, the one or more frequency bands having a combined bandwidth equal or greater than the first frequency band.08-05-2010
20100227611Methods and apparatus for providing selective access to wireless network resources using detailed information - Methods and apparatus for providing enhanced access options for wireless access points (e.g., cellular femtocells). These access options in one embodiment include various grades or levels of private and public access to available femtocell services. Each service may be separately assigned a various access type, such that a femtocell may service multiple users both within the “closed” group authorized by the femtocell white list, and non-members. In one variant, a femtocell broadcasts enhanced system information to all terminals (regardless of member/non-member status) such that a non-CSG (Closed Subscriber Group) member terminal or UE is capable of obtaining partial service access within the femtocell. Broadcast multimedia or other services can be delivered to both CSG members and non-members, advantageously without having to establish a dedicated connection for the non-member users.09-09-2010
20100266055SYSTEM AND METHOD FOR ESTABLISHING A LOCALIZED SINGLE FREQUENCY NETWORK - A method, wireless communication network, and transmitting device that detects that one or more carrier frequencies have crossed a threshold, selects one or more helping transmitting devices to transmit the detected carrier frequencies, transmits the data assigned to the detected carrier frequencies to the selected helping transmitting devices, wherein the selected helping transmitting devices transmit the data over the detected carrier frequencies.10-21-2010
20100272059MOBILE RADIO COMMUNICATION DEVICES AND MOBILE RADIO BASE STATION DEVICES - In various embodiments, a mobile radio communication device is provided. The mobile radio communication device may include a mobile radio communication protocol circuit configured to provide a home base station function for a mobile radio communication with a mobile radio communication terminal device, and a mobile radio resources allocation and reservation circuit configured to allocate and reserve mobile radio resources to a home base station for mobile radio user data transmission between the mobile radio communication device and the mobile radio communication terminal device.10-28-2010
20100273468METHODS AND APPARATUS FOR CONFIGURATION OF FEMTOCELLS IN A WIRELESS NETWORK - Methods and apparatus that enable and optimize the simultaneous operation of several wireless femtocells having overlapping coverage areas. In one embodiment of the invention, a resource allocation (e.g., time-frequency grid for an OFDM or TDMA based wireless network) governs the simultaneous operation of several femtocells with overlapping coverage areas by specifying uses for resources. A resource allocation unit (RAU) entity is disclosed for managing and modifying resource allocations for femtocells. The community of femtocells can flexibly share resources according to the time-frequency grid, thereby maximizing spectral efficiency without requiring substantial network overhead.10-28-2010
20100303004METHODS AND APPARATUS FOR MULTI-DIMENSIONAL DATA PERMUTATION IN WIRELESS NETWORKS - Methods and apparatus that seek to increase the diversity seen in wireless communication systems by intelligently implementing a joint multi-dimensional permutation approach. In an exemplary embodiment, this is accomplished by combining the permutation of various transmitter antennas, various data streams (for example, in a MIMO configuration) and various constellation-bit mappings into a coherent multi-dimensional permutation scheme. Subsequent retransmissions in combination with an initial transmission are utilized to obtain substantial signal flattening at a receiver which increases the likelihood that retransmissions that follow detected errors will successfully convey the transmitted data to the receiver. Both open and closed-loop approaches are contemplated which take advantage of the multi-dimensional permutation schemes. In addition, embodiments utilized in the context of retransmission mechanisms such as HARQ are also contemplated.12-02-2010
20100329193PERMANENT DEDICATED RANDOM ACCESS PREAMBLES FOR FEMTOCELL - Methods and apparatuses for allocating permanent dedicated preambles for connection with a femtocell. Various embodiments include selecting one or more mobile communication devices to be a main device, assigning the permanent dedicated preambles to each of the one or more main devices, transmitting the assigned permanent dedicated preambles to the one or more main devices, storing a relation of the assigned permanent dedicated preambles in a memory of the one or more main devices, and explicitly releasing one or more of the assigned permanent dedicated preambles when a release condition is met.12-30-2010
20110002314METHODS AND APPARATUS FOR OPTIMIZATION OF FEMTOCELL NETWORK MANAGEMENT - Methods and apparatus that reduce network management overhead required for the operation of wireless femtocells. In one aspect of the invention, a central network entity governs the simultaneous operation of several femtocells by specifying modes of operation, and operational parameters for one or more of the femtocells. In one embodiment, at least one of the specified modes of operation directs a femtocell to operate in a substantially autonomous manner within the network-defined operational parameters. The network-defined constraints are provided to the femtocell for example, responsive to a successful registration attempt.01-06-2011
20110007695APPARATUS AND METHOD FOR MAPPING PHYSICAL CONTROL CHANNELS - An apparatus and method that map physical control channels onto radio resource elements are described. The method may include mapping physical control channels of a first mobile radio technology onto a first set of radio resource element groups, mapping physical control channels of the second mobile radio technology onto a second set of radio resource element groups, generating mapping information specifying the mapping of physical control channels of the first mobile radio technology onto the first set of radio resource element groups, and generating mapping information specifying the mapping of physical control channels of the second mobile radio technology onto the second set of radio resource element groups.01-13-2011
20110038399METHOD FOR DATA TRANSMISSION AND COMMUNICATION SYSTEM - A method for data transmission is provided for determining movement speed and/or location of a mobile communication device; selecting, based on the movement speed and/or the location of the mobile communication device a frequency hopping mode from a plurality of frequency hopping modes to be used for data transmission to or from the mobile communication device; and transmitting the data using the selected frequency hopping mode.02-17-2011
20110053582END-USER DEVICES AND METHODS FOR CONTROLLING AN END-USER DEVICE - In an embodiment, an end-user mobile device is provided. The end-user mobile device may include a transmitter configured to broadcast context information based on the occurrence of a pre-determined event.03-03-2011
20110087887METHODS AND APPARATUS FOR DIGITAL ATTESTATION - Methods and apparatus for providing proof of multiple entities being co-located at a specific time and location. An attestor transmits an attestation message via short range communication; the attestation message includes a time stamp, a location stamp, and a verifiable digital signature. An attestee that stores the attestation message can produce the attestation message at a later time to any interested party, as proof of co-location with the attestor at the specified time and location. In one exemplary embodiment, the methods and apparatus are substantially “open” for public implementation. Such public implementation enables attestors and attestees without prior affiliation, to provide attestation. Furthermore, the device-agnostic methods and apparatus can provide attestation capabilities even in previously deployed systems and devices.04-14-2011
20110098075MOBILE RADIO COMMUNICATION DEVICES HAVING A TRUSTED PROCESSING ENVIRONMENT AND METHOD FOR PROCESSING A COMPUTER PROGRAM THEREIN - In an embodiment, a mobile radio communication device is provided. The mobile radio communication device may include a mobile radio communication protocol circuit configured to provide a mobile radio base station function for a mobile radio communication with another mobile radio communication device, a network control interface circuit configured to receive communication control signals from a mobile radio network circuit being controlled by a mobile radio network operator to control the mobile radio communication protocol circuit, and a trusted processing circuit configured to process a computer program in a trusted processing environment to provide a trusted processing result, wherein the trusted processing circuit is outside of the mobile radio network operator's domain.04-28-2011
20110105119RADIO BASE STATIONS, RADIO COMMUNICATION DEVICES, METHODS FOR CONTROLLING A RADIO BASE STATION, AND METHODS FOR CONTROLLING A RADIO COMMUNICATION DEVICE - In an embodiment, a radio base station is provided. The radio base station may include a message generator configured to generate a message including information specifying whether the radio base station is a radio base station which allows handover to another radio base station.05-05-2011
20110105155METHODS AND APPARATUS FOR OPTIMIZING PAGING MECHANISMS USING DEVICE CONTEXT INFORMATION - Methods and apparatus enabling a wireless network to optimize paging channel operation, based on mobile device context information. In one embodiment, the wireless network is a cellular network (e.g., LTE-Advanced), and both base stations and cellular user devices dynamically exchange and maintain a paging agreement. The paging agreement limits the paging channel operation, thereby minimizing unnecessary scanning and usage of irrelevant radio resources. Such paging mechanisms are limited to the air interface between the base station and the mobile device, and are compatible with existing legacy devices and network entities. Networks with appropriately enabled user devices may improve their resource utilization. Base stations may advantageously reclaim freed-up cellular resources to support other services.05-05-2011
20110143713CONTACT INFORMATION MANAGEMENT METHODS AND APPARATUS - Methods and apparatus for controlled and/or secure distribution of contact information. In one embodiment, transfers of contact information must be authorized by the affected party. The party distributing the contact data, the party receiving the contact data, and the party described by the contact data initiate a secure dialog to exchange contact data. Various embodiments also enable piecemeal authorization and transfer of contact information, allowing the affected party to control the portion of contact data transferred, as well as apply specific rule sets or templates. In one variant, the authorization and transfer process is optimized to reduce the number of transaction steps. Additionally, solutions for distributing contact information among larger groups of participants are also disclosed.06-16-2011

Patent applications by Maik Bienas, Braunschweig DE