摘要:
User equipment that is capable of transmitting at least an uplink control channel to a base station apparatus using a single carrier method and to which persistent scheduling is applied, the user equipment includes a unit providing data arrival acknowledgement information, a unit providing channel quality information, a control channel generation unit generating an uplink control channel including at least one of the data arrival acknowledgement information or the channel quality information, and a transmission unit transmitting the uplink control channel using a predetermined dedicated bandwidth, in which the uplink control channel includes at least one unit block including a sequence in which a same factor reported using an upper-layer signaling is multiplied to each chip of an orthogonal code sequence for the user equipment.
摘要:
User equipment that is capable of transmitting at least an uplink control channel to a base station apparatus using a single carrier method and to which persistent scheduling is applied, the user equipment includes a unit providing data arrival acknowledgement information, a unit providing channel quality information, a control channel generation unit generating an uplink control channel including at least one of the data arrival acknowledgement information or the channel quality information, and a transmission unit transmitting the uplink control channel using a predetermined dedicated bandwidth, in which the uplink control channel includes at least one unit block including a sequence in which a same factor reported using an upper-layer signaling is multiplied to each chip of an orthogonal code sequence for the user equipment.
摘要:
A transmission device is disclosed that includes a frequency scheduling unit configured to allocate resource blocks as a unit to each user, the resource blocks being blocks of consecutive frequency subcarriers divided from a system bandwidth, constitute a first group including consecutive plural resource blocks, constitute plural second groups, each including one or more resource blocks of the plural resource blocks constituting each first group, and allocate the resource blocks of either the first group or one or more the second groups; a mapping unit configured to allocate transmission data to the resource blocks in accordance with the allocation; and a control information generating unit configured to generate control information with respect to a mobile station to which either the first group or one or more the second groups are allocated.
摘要:
An apparatus for generating sets of radio parameters includes a first deriving unit deriving a set of radio parameters for specifying a symbol including an effective symbol part with the same period as the effective symbol part specified by another set of radio parameters and a guard interval part with a different period from the guard interval part specified by the other set of radio parameters. The apparatus further includes a second deriving unit deriving a set of radio parameters so that an occupancy proportion of the guard interval part in a single symbol specified by another set of radio parameters is equal to an occupancy proportion of the guard interval part in a single symbol specified by the other set of radio parameters.
摘要:
A disclosed transmission apparatus comprises a switching portion that switches radio access methods; a frequency domain signal generation portion that allocates a radio resource to a spread chip sequence on which one of a fast Fourier transformation and a series/parallel conversion is performed in accordance with the switched radio accessed method, so as to generate a signal in a frequency domain; and a transmission signal generation portion that performs a fast inverse Fourier transformation on the signal in the frequency domain so as to generate a transmission signal.
摘要:
A CQI report method disclosed that includes a step in which the user equipment reports CQI information of top N resource block(s) having channel quality higher than the rest of the resource block(s) and a resource block number(s) of the top N resource block(s) to the base station at CQI report timings designated by the base station; and a step in which, when, for example, a resource block(s) whose CQI information has already been reported in any of the latest K report timings is included in the top N resource block(s), the user equipment excludes the resource block(s) and reports the CQI information of a resource block having the next highest channel quality indicator and the resource block number of the resource block to the base station.
摘要:
A base station includes a transmission method determining portion that determines whether to allow a mobile station to transmit a propagation path measuring signal by one of a multi-carrier method and a single carrier method; and a transmission method sending portion that sends information indicating the determined transmission method with the mobile station. A mobile station includes a data mapping portion that maps a signal sequence of a propagation path state measuring signal in accordance with transmission information that a base station sends in order to indicate the propagation path state measuring signal is transmitted by either one of a single carrier method and a multi-carrier method.
摘要:
A disclosed base station in a mobile communications system which uses a single-carrier technique for uplink includes a classifying unit which classifies, for each of multiple user apparatuses according to a path loss between the respective user apparatus and the base station, the multiple user apparatuses into two or more groups; and a scheduler which plans allocating of uplink resources to the user apparatuses. Uplink signals of each user apparatus that have multiple frequency components lined up in equal frequency intervals are multiplexed using a distributed frequency division multiplexing technique such that they are made mutually orthogonal on a frequency axis, the scheduler plans the resource allocating such that the user apparatuses belonging to different groups utilize different group bands or different time slots, and the group bands are specified by dividing a system band into groups.
摘要:
A disclosed base station is used in a radio communication system where sounding reference signals from user terminals are multiplexed using distributed FDMA in which distributed frequency blocks each including frequency subcarriers discretely distributed in a system bandwidth are allocated to the user terminals, and the system bandwidth is repeatedly halved into frequency band segments according to a binary-tree structure. The base station includes a transmission bandwidth determining unit for determining transmission bandwidths to be allocated to the respective user terminals for transmission of the sounding reference signals based on path losses between the user terminals and the base station; a transmission frequency determining unit for allocating the frequency band segments corresponding to the determined transmission bandwidths as transmission frequency bands for the sounding reference signals; and a transmission method reporting unit for reporting the transmission bandwidths and the transmission frequency bands to the respective user terminals.
摘要:
A base station in a mobile communications system which uses a single-carrier technique for uplink includes a classifying unit which classifies, for each of multiple user apparatuses according to a path loss between the respective user apparatus and the base station, the multiple user apparatuses into two or more groups; and a scheduler which plans allocating of uplink resources to the user apparatuses. Uplink signals of each user apparatus that have multiple frequency components lined up in equal frequency intervals are multiplexed using a distributed frequency division multiplexing technique such that they are made mutually orthogonal on a frequency axis, the scheduler plans the resource allocating such that the user apparatuses belonging to different groups utilize different group bands or different time slots, and the group bands are specified by dividing a system band into groups.