Patent application number | Description | Published |
20140010184 | INSERTING VIRTUAL CARRIER IN CONVENTIONAL OFDM HOST CARRIER IN COMMUNICATIONS SYSTEM - A base station communicating data to/from plural mobile terminals over plural OFDM sub-carriers within a coverage area. The base station allocates transmission resources provided by a first group of the plural OFDM sub-carriers within a first frequency band to mobile terminals of a first type and allocates transmission resources provided by a second group of the plural OFDM sub-carriers within a second frequency band to terminals of a second type, the second group being smaller than the first group and the second frequency band selected from within the first frequency band. The base station transmits control information including resource allocation information for terminals of the first type over a first bandwidth corresponding to the combined first and second groups of OFDM sub-carriers and transmits control information including resource allocation information for terminals of the second type over a second bandwidth corresponding to the second group of OFDM sub-carriers. | 01-09-2014 |
20140011506 | INSERTING VIRTUAL CARRIER IN CONVENTIONAL OFDM HOST CARRIER IN COMMUNICATIONS SYSTEM - A network element for use in a mobile communications system and a method of using a network element for communicating data to/from mobile communications devices in a mobile communications system. The network element can provide a wireless access interface for communicating data to/from the mobile communications devices, the wireless access interface including: on a downlink a host carrier, the host carrier providing plural resource elements across a first frequency range; transmit data for a first group of mobile communications devices, wherein the data is distributed within the plural resource elements across the first frequency range; a virtual carrier via the wireless access interface, the virtual carrier providing one or more resource elements within a second frequency range which is within and smaller than the first frequency range; and transmit data for a second group of mobile communications devices via the virtual carrier. | 01-09-2014 |
20140018087 | INSERTING VIRTUAL CARRIER IN CONVENTIONAL OFDM HOST CARRIER IN COMMUNICATIONS SYSTEM - A mobile communications system for communicating data to and/or from mobile communications devices. The mobile communications system comprises one or more base stations, each of which includes a transmitter and a receiver operable to provide a wireless access interface for communicating data to and/or from the mobile communications devices, the wireless access interface providing on a downlink a host carrier, the host carrier providing a plurality of resource elements across a first frequency range for communicating data; and a first and second mobile communications devices. The wireless access interface provided by the base stations is arranged to provide a virtual carrier, the virtual carrier providing one or more resource elements within a second frequency range which is within and smaller than the first frequency range, and the second mobile communications device is operable, upon detection of the virtual carrier, to receive downlink communications via the virtual carrier. | 01-16-2014 |
20140036820 | TELECOMMUNICATIONS METHOD AND SYSTEM - A base station receiving uplink data transmitted from mobile terminals of first type and mobile terminals of second type over a radio interface using plural sub-carriers. The mobile terminals of first type transmit uplink data on a first group of the sub-carriers over a first bandwidth and the mobile terminals of second type transmit uplink data on a second group of the sub-carriers within the first group of sub-carriers over a second bandwidth that is smaller than the first bandwidth. The base station is configured to grant uplink radio resources in response to random access request messages transmitted by mobile terminals of first type transmitted on a first random access channel and to grant uplink radio resources in response to random access request messages transmitted by mobile terminals of second type transmitted on a second random access channel, which are transmitted on sub-carriers within the second group of sub-carriers. | 02-06-2014 |
20140036821 | INSERTING VIRTUAL CARRIER IN CONVENTIONAL OFDM HOST CARRIER IN COMMUNICATIONS SYSTEM - A method allocating transmission resources in an OFDM wireless telecommunication system configured to communicate data using plural OFDM sub-carriers. The method allocates transmission resources provided by a first group of the plural OFDM sub-carriers within a first frequency band to terminals of first type; allocates transmission resources provided by a second group of the plural OFDM sub-carriers within a second frequency band to terminals of second type, the second group being smaller than the first group and the second frequency band selected from within the first frequency band; transmits control information including resource allocation information for terminals of the first type over a first bandwidth corresponding to the combined first and second groups of OFDM sub-carriers; and then transmits control information including resource allocation information for terminals of the second type over a second bandwidth corresponding to the second group of OFDM sub-carriers. | 02-06-2014 |
20140036878 | MOBILE COMMUNICATIONS SYSTEM, INFRASTRUCTURE EQUIPMENT AND METHOD USING SHORT IDENTIFIER FOR RESOURCE SCHEDULING - A mobile communications network for communicating data to/from mobile terminals, including a wireless access interface that provides a shared channel for communicating data to or from the mobile terminals, the shared channel divided in time into different units of communications resource. The mobile communications network is configured to form super-frames including plural units of communications resource of the shared channel, to allocate each of the mobile terminals in one or more of groups, and to transmit control information providing for each of the mobile terminals in each of the groups of mobile terminals a short identification number in association with an identification number allocated to the mobile terminal by the mobile communications network, the short identification number for use in allocating the units of communications resource to each of the mobile terminals in one of the groups for one of the super-frames. | 02-06-2014 |
20140044071 | COMMUNICATION UNITS AND METHODS FOR RESOURCE CHANGE NOTIFICATION IN BROADCAST COMMUNICATION - A method for supporting cross carrier indication of a control channel change notification in a wireless communication system that provides broadcast services on a plurality of carriers. The method includes, at a base station: receiving a first message including an indication of a control channel change requirement; mapping at least one single broadcast service to a plurality of component carriers; generating a second message including a control channel change notification for the broadcast service based on the mapping; and transmitting the second message on at least one component carrier to at least one wireless communication unit. | 02-13-2014 |
20140044072 | COMMUNICATION UNITS AND METHODS FOR CONTROL CHANGE NOTIFICATION IN BROADCAST COMMUNICATION - A method for supporting cross carrier indication of a control channel change notification for at least one wireless communication unit that is operating on a first serving communication cell and has been configured with access to at least one second serving communication cell in a wireless broadcast communication system. The method includes, at the base station: generating a message including a broadcast service identifier, wherein the broadcast service identifier identifies a control channel change of the at least one second serving cell accessible by the at least one wireless communication unit; and transmitting the message to the at least one wireless communication unit. | 02-13-2014 |
20140050139 | COMMUNICATION UNITS AND METHODS FOR CONTROL CHANNEL CHANGE NOTIFICATION IN BROADCAST COMMUNICATION SYSTEM SUPPORTING CARRIER AGGREGATION - A method supporting control channel change notification for at least one wireless communication unit capable of operating on a first serving communication cell and configured with access to at least one second serving communication cell in a wireless broadcast communication system. The method includes, at a broadcast server: supporting communication with at least one wireless communication unit via the at least one second serving communication cell; generating a message including an indication that a control channel change notification will be sent in the at least one first serving communication cell; transmitting the message to the at least one wireless communication unit operational in the at least one second serving communication cell; and transmitting the control channel change notification in the first serving communication cell. | 02-20-2014 |
20140112285 | TELECOMMUNICATIONS METHOD AND SYSTEM - A mobile communications system for communicating data to/from mobile units, including: one or more base stations to communicate data to/from the mobile units; first and second groups of one or more mobile units to communicate with the one or more base stations via respective first and second carriers. The base stations can provide, on the first carrier, common information for at least one mobile unit in the first group and for at least one mobile unit in the second group. The base stations can provide allocation information in the first and second carriers, the allocation information including an indication of the location of the common information within the first carrier. At least one mobile unit in the second group is configured, upon reception of the allocation information in the second carrier, to access the common information provided by the one or more base stations in the first carrier. | 04-24-2014 |
20140119315 | TELECOMMUNICATIONS METHOD AND SYSTEM - A mobile communications unit for communicating data to and/or from base stations, the unit configured to communicate data with one or more base stations via a wireless access interface provided by the one or more base stations; configured to receive transmissions from the one or more base stations via at least one carrier, wherein carriers are logically separate sets of physical resources within a frequency range, the resources of a carrier providing a communication channel; and configured, upon reception of allocation information including an indication of a location of common information within a first carrier, to access the common information in the first carrier, wherein the allocation information is provided in a second carrier and the common information is for at least one mobile unit using the first carrier and for at least one mobile unit using a second carrier. | 05-01-2014 |
20140126508 | METHOD AND APPARATUS FOR CONTROLLING CARRIER SELECTION IN WIRELESS COMMUNICATIONS SYSTEMS - A mobile communications system including: at least one base station configured to communicate data to/from different terminal devices via respective of plural logically separate carriers of a wireless access interface; first and second terminal devices operable to camp-on to first and second carriers of plural carriers and to subsequently communicate data with the at least one base station via the first and second carriers. The first and second carriers support compatible synchronisation signalling such that the first and second terminal devices both can synchronise with the first and second carriers to begin a camp-on procedure. Following synchronisation with one of the first or second carriers to begin the camp-on procedure, the second terminal device is configured to determine whether or not to continue with the camp-on procedure in dependence on an aspect of physical layer signalling associated with a control channel of the carrier with which it has synchronised. | 05-08-2014 |
20140153516 | CONTROLLING CARRIER SELECTION IN A WIRELESS COMMUNICATION SYSTEM - A mobile communications system including at least one base station configured to communicate data to/from different types of terminal devices via respective of plural logically separate carriers of a wireless access interface; first and second terminal devices operable to respectively camp-on to first and second carriers of the carriers and to subsequently communicate data with the at least one base station via the first and second carriers. The first and second carriers support compatible synchronization signalling such that the first and second terminal devices synchronize with the first and second carriers to begin a camp-on procedure, and following synchronization with one of the first or second carriers to begin a camp-on procedure. The second terminal device is configured to determine whether or not to continue with the camp-on procedure based on an aspect of physical layer signalling associated with a control channel of the carrier with which it has synchronized. | 06-05-2014 |
20140161112 | TELECOMMUNICATIONS SYSTEM, APPARATUS AND METHOD FOR COMMUNICATING TO A FIRST AND A SECOND CLASS OF TERMINALS USING A FIRST AND/OR A SECOND CARRIER - A telecommunications system communicating data to/from one or more terminals, including one or more transmitters to transmit first and second carriers over respective first and second frequency bandwidths. During a first time period the transmitters can transmit data receivable by first and second classes of terminal on the first and second carriers. During a second different time period, the transmitters can transmit data to the second class of terminal on the first and second carriers in combination. A data transmission format on the first carrier in the first time period is incompatible with a user data transmission format on the second carrier during the first time period. The transmitters can transmit control data on the first carrier in the first time period which is receivable by the second class of terminal to enable the second class of terminal to maintain synchronisation with the first carrier during the first time period. | 06-12-2014 |
20140211729 | TELECOMMUNICATIONS SYSTEM, APPARATUS AND METHOD FOR COMMUNICATING TO A FIRST AND A SECOND CLASS OF TERMINALS USING A FIRST AND/OR A SECOND CARRIER - A telecommunications system communicating data to/from one or more terminals and a network, including one or more transmitters operable to transmit first and second carriers over respective first and second frequency bandwidths. During a first time period the transmitters can transmit data receivable by first and second classes of terminals on the first and second carriers. During a second different time period, the transmitters can transmit data to the second terminal class on the first and second carriers in combination. A data transmission format on the first carrier is incompatible with a user data transmission format on the second carrier, during the first time period, and the transmitters can transmit control data on the first carrier in the first time period receivable by the second terminal class to enable the second terminal class to maintain synchronization with the first carrier during the first time period. | 07-31-2014 |