Patent ID: 8774107

Claim:
A radio transmitting apparatus comprising: a selector device, for an orthogonal frequency division multiplexing (OFDM) scheme, that selects a localized resource block scheme, in which frequency resources comprised of subcarriers localized in a frequency domain are allocated to a receiving apparatus, or a distributed resource block scheme, in which frequency resources comprised of subcarriers distributed in the frequency domain are allocated to the receiving apparatus, as a resource allocation scheme; an allocator device that allocates the frequency resources to the receiving apparatus according to the selected resource allocation scheme and maps transmission data for the receiving apparatus to the frequency resources allocated to the receiving apparatus; and a transmitting device that performs plural transmissions of the transmission data to the receiving apparatus, wherein the selector selects the localized resource block scheme at a first transmission, and switches the resource allocation scheme from the localized resource block scheme to the distributed resource block scheme according to a number of transmissions at a transmission subsequent to the first transmission among the plural transmissions.