IPWIRELESS, INC. Patent applications |
Patent application number | Title | Published |
20120201336 | Wireless Communication Unit and Method for Channel Estimation - A method is provided for estimating at least one offset of a communication in a multicarrier communication system. The method comprises receiving a plurality of subcarriers wherein the plurality of subcarriers contain the subcarrier that is subject to the distortion; and generating a plurality of first channel estimates for a respective plurality of received subcarriers that are not subject to the distortion. The method further comprises processing a number of the plurality of first channel estimates for the respective plurality of received subcarriers that are not subject to the distortion to generate a second channel estimate for the subcarrier that is subject to the distortion; and estimating an offset associated with the subcarrier that is subject to the distortion. | 08-09-2012 |
20120044926 | COMMUNICATION SYSTEM, COMMUNICATION UNITS, AND METHOD FOR EMPLOYING A PILOT TRANSMISSION SCHEME - A method of pilot-assisted data communication comprises transmitting a composite signal. The composite signal comprises data, a first pilot sequence with non-cyclic properties; and a second pilot sequence, such that the composite signal within a designated or pre-defined time region of one or more time slots exhibits a cyclic prefixed time domain structure. Both the first pilot sequence and second pilot sequence are transmitted in substantially this same designated or pre-defined time region in one or more time slots. | 02-23-2012 |
20120014337 | Wireless Communication System, Apparatus for Supporting Data Flow and Method Therefor - An apparatus for use in allocating resource in a wireless communication system, where the apparatus comprises mapping logic arranged to map one or more services to individual radio bearers of a plurality of radio bearers; reporting logic arranged to indicate buffer occupancy for the plurality of radio bearers; and prioritization logic arranged to prioritize the allocated resource across multiple wireless communication units on a radio bearer basis. | 01-19-2012 |
20110244876 | Cellular Communication System and Method for Broadcast Communication - A cellular communication system ( | 10-06-2011 |
20110243042 | Cellular Communication System and Method for Broadcast Communication - A cellular communication system comprises a first communication network arranged to use a single cell identifier reuse pattern; a second communication network comprising a cluster of communication cells and arranged to use a common cell identifier reuse pattern for broadcast transmissions. The cellular communication system further comprises management logic ( | 10-06-2011 |
20110243041 | Cellular Communication System and Method for Broadcast Communication - A time division duplex (TDD) cellular communication system ( | 10-06-2011 |
20110235613 | Cellular Communication System and Method for Broadcast Communication - A cellular communication system ( | 09-29-2011 |
20110092165 | Method, Communication System and Communication Unit for Synchronisation for Multi-Rate Communication - A method, communication system and communication unit for synchronisation for multi-rate communication by transmitting a signal (FIG. | 04-21-2011 |
20110090814 | Apparatus And Method For Determining Timing For Transmissions - A communication network element ( | 04-21-2011 |
20100298030 | Pre-Equalisation for UMTS Base Station - An arrangement ( | 11-25-2010 |
20100278084 | Apparatus, Communication System and Methods for Enabling Spectrum Access - Embodiments of the invention provide for allocating spectrum in a wireless communication system that supports simultaneously at least a first mode of operation and a second mode of operation. Logic is arranged for determining a proportion of spectrum required for the wireless communication unit to operate simultaneously in both the first mode of operation and the second mode of operation. Logic for allocating spectrum allocates a temporary guard band between a first portion of spectrum for the first mode of operation and a second portion of spectrum for the second mode of operation for use whilst the wireless communication unit operates simultaneously in the first mode of operation and second mode of operation. | 11-04-2010 |
20100195544 | Apparatus and Method for Communicating Uplink Signaling Information - A User Equipment, UE, of a cellular communication system transmits scheduling assistance data to a base station comprising a base station scheduler which schedules uplink packet data. The scheduling assistance data relates to uplink packet data transmission from the UE. The UE comprises a channel controller which is operable to cause the scheduling assistance data to be transmitted from the UE to the base station in a first physical resource of an uplink air interface. The first physical resource is not managed by the base station based scheduler. The scheduling assistance data may specifically be transmitted in a first transport channel multiplexed with other transport channels on a physical resource. The transport channels may be individually optimized and may have different termination points and transmission reliabilities. Specifically, the transport channel supporting the scheduling assistance data signaling may have a high reliability and be terminated in the base station. | 08-05-2010 |
20100173643 | Signalling MIMO Allocations - The present invention relates to demodulation of radio signals from a base station having collocated transmit antennas, and more particularly to signaling allocation information from a base station to a mobile terminal. The allocation information may include timeslot and code information of allocation to other mobile terminals. Some embodiments of the present invention facilitate a mobile terminal's ability to receive and demodulate a signal containing multiple interfering signals by communicating codes allocated to other mobile terminals. | 07-08-2010 |
20090268798 | WIRELESS COMMUNICATION UNIT AND METHOD FOR CHANNEL ESTIMATION - A method is provided for estimating at least one offset of a communication in a multicarrier communication system. The method comprises receiving a plurality of subcarriers wherein the plurality of subcarriers contain the subcarrier that is subject to the distortion; and generating a plurality of first channel estimates for a respective plurality of received subcarriers that are not subject to the distortion. The method further comprises processing a number of the plurality of first channel estimates for the respective plurality of received subcarriers that are not subject to the distortion to generate a second channel estimate for the subcarrier that is subject to the distortion; and estimating an offset associated with the subcarrier that is subject to the distortion. | 10-29-2009 |
20090265735 | METHOD AND APPARATUS FOR OUTPUTTING MEDIA CONTENT - A mobile communication device comprises receiver circuitry operable to receive broadcast real-time media data over a communication interface, and signal processing logic operable to extract real-time media content from the broadcast real-time media data, and output the extracted real-time media content via a user interface of the mobile communication device. In response to determining a partial loss of data for the broadcast real-time media data, the signal processing logic is operable to retrieve stored media content from a memory element of the mobile communication device, and output the retrieved media content via the user interface of the communication device. | 10-22-2009 |
20090232110 | RESOURCE ALLOCATION IN A PACKET-BASED RADIO COMMUNICATION SYSTEM - A scheme for resource allocation for variable rate users in a packet-based radio communication system such as a UMTS TDD system is based on a representation ( | 09-17-2009 |
20090054060 | MULTI-USER DETECTOR AND METHOD FOR USE IN A COMMUNICATION SYSTEM - A multi-user detector ( | 02-26-2009 |
20090052384 | Apparatus and method for signaling in a wireless communication system - A method of signaling in a wireless communication system ( | 02-26-2009 |
20090036083 | Communication unit and method for interference mitigation - A communication unit comprises a receiver for receiving a composite communication signal that comprises a desired signal and at least one asynchronously received interfering signal. The receiver comprises detector logic arranged to detect and process the composite communication signal as if the at least one asynchronously received interfering signal were synchronously received with the desired signal. | 02-05-2009 |
20080318578 | Cellular communication system, apparatus and method for handover - A method for handover of a wireless subscriber communication unit from a first base station to a second base station in a wireless network is described. The method comprises at the wireless subscriber communication unit receiving a handover command message from the first base station. At the first base station, the method comprises sending a scheduling request message to the second base station, in response to an acknowledgement message sent from the wireless subscriber communication unit. The method further comprises, at the second base station, scheduling, in response to the scheduling request message, at least one uplink scheduling resource (UL-SCH) for the wireless subscriber communication unit to transmit a handover (HO) confirmation message to the second base station; and receiving a handover confirmation message from the wireless subscriber communication unit on the at least one uplink scheduling resource (UL-SCH). | 12-25-2008 |
20080287057 | Method and apparatus for providing multimedia broadcasting multicasting services - A method of providing multimedia broadcast multicast services (MBMS) over a communication system that comprises a shared network and a proprietary network comprises allocating a first portion of logic elements of a broadcast multicast service centre (BM-SC) to support MBMS content delivery over the shared network and allocating a second portion of logic elements of the BM-SC to support MBMS content delivery over the proprietary network. | 11-20-2008 |
20080267148 | Communication unit, system and method for saving power therein - A communication unit comprises a receiver for receiving a message sent on an allocation channel, packet identifying logic, capable of identifying a data type of the received message, operably coupled to buffer logic for buffering data packets to be sent to the second communication unit. In an active mode of operation, the receiver of the communication unit is capable of intermittently receiving the message sent on the allocation channel and transition to continuously receive the message sent on the allocation channel in response to either: the buffer logic identifying that data packets are to be transferred to the second communication unit; or the packet identifying logic receiving a communication resource allocation message and identifying resource allocation data therein. | 10-30-2008 |
20080267135 | Methods, base station, remote station and system for high speed downlink packet access (HSDPA) communication - A method for generating a high speed downlink packet access (HSDPA) communication comprises concatenating multiple data packets and attaching a header to the concatenated multiple data packets to form an extended multiplexed data packet. The header comprises an indication of a size of each of the multiple data packets. The extended multiplexed data packet is then transmitted to a remote station on a downlink channel. | 10-30-2008 |
20080225890 | METHOD, COMMUNICATION SYSTEM AND COMMUNICATION UNIT FOR SYNCHRONISATION FOR MULTI-RATE COMMUNICATION - Methods and systems for determining operating bandwidth in a multi-bandwidth communication system are provided. Determining operating bandwidth in a multi-bandwidth communication system includes receiving a signal having a first signal portion at a first, predetermined bandwidth. The signal contains an indication of an operating bandwidth selected from a plurality of bandwidths used for a further signal portion. The indication is recovered from the first signal portion at the predetermined bandwidth. The information is recovered from the further signal portion at the operating bandwidth indicated by the indication. | 09-18-2008 |
20080207212 | METHOD, SYSTEM AND COMMUNICATION UNIT FOR REQUESTING A COMMUNICATION RESOURCE - A method for obtaining access to a physical uplink shared channel by a mobile station is provided. The method includes transmitting, by a mobile station, a physical uplink shared channel capacity request over the uplink dedicated channel to a base station. The method further includes receiving a physical uplink shared channel allocation. The physical uplink shared channel allocation is determined at a base station in response to the physical uplink shared channel capacity request. In some embodiments, the physical uplink shared channel allocation is received over a downlink common channel. The method may also further include accepting an assignment of the uplink dedicated channel. | 08-28-2008 |