# US 2017/0289977 A1 · Resource assignment for single and multiple cluster transmission > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0289977 A1 - Document ID: US20170289977A1 - Status: Published application - Kind: A1 - Application number: 15/627,282 - Filed: 2017-06-19 - Published: 2017-10-05 - Earliest claimed: 2011-03-23 - Assignees: Sun Patent Trust - Applicants: Sun Patent Trust - Inventors: Alexander Golitschek Edler von Elbwart; Akihiko Nishio - Web page: https://patentgrep.com/patent/US20170289977A1 ## CPC - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04L 5/001: {the frequencies being arranged in component carriers} - H04L 5/0044: {Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH} - H04L 5/0094: {Indication of how sub-channels of the path are allocated} - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract This invention concerns concepts for signaling resource allocation information to a terminal that indicates to the terminal assigned resources for the terminal. The terminal can receives downlink control information (DCI), which comprises a field for indicating the resource allocation information of the terminal. This resource assignment field within the DCI has a predetermined number of bits. The terminal can determines its assigned resource allocation information from the content of the received DCI, even though the bit size of the resource allocation field in the received DCI is insufficient to represent all allowed resource allocations. According to an embodiment, the received bits that are signaled to the terminal in the DCI represent predetermined bits of the resource allocation information. All remaining one or more bits of the resource allocation information that are not included in the field of the received DCI are set to predetermined value. ## Claims ### Claim 1 An integrated circuit comprising: reception circuitry which, in operation, controls reception of downlink control information including a resource allocation field, the resource allocation field signaling resource allocation information that indicates resources allocated to a terminal apparatus; and control circuitry coupled to the reception circuitry; wherein when a plurality of clusters are allocated to the terminal apparatus and a number of available bits in the resource allocation field is smaller than a number of bits necessary to indicate the allocated plurality of clusters, the reception circuitry receives a portion of the bits necessary to indicate the allocated plurality of clusters by the available bits in the resource allocation field; and the control circuitry assumes remaining bit(s) of the bits necessary to indicate the allocated plurality of clusters to be of a defined value, and wherein when the number of available bits in the resource allocation field is equal to or larger than the number of bits necessary to indicate the allocated plurality of clusters, the reception circuitry receives the bits necessary to indicate the allocated plurality of clusters by the available bits in the resource allocation field; and wherein the control circuitry, in operation, determines the resource allocation information based at least on the available bits in the resource allocation field included in the received downlink control information. ### Claim 2 (depends on 1) The integrated circuit s according to claim 1, wherein the portion of the bits necessary to indicate the allocated plurality of clusters are LSBs (Least Significant Bits) of the resource allocation information. ### Claim 3 (depends on 1) The integrated circuit according to claim 1, wherein the remaining bit(s) are MSBs (Most Significant Bits) of the resource allocation information, and the defined value is zero. ### Claim 4 (depends on 1) The integrated circuit according to claim 1, wherein the plurality of clusters are discontinuous on a frequency axis, each cluster including a plurality of resource blocks (RBs) which are continuous on the frequency axis. ### Claim 5 (depends on 1) The integrated circuit according to claim 1, wherein the plurality of clusters are allocated in units of resource block groups (RBGs); and the resource allocation information indicates a start RBG index and an end RBG index of each of the plurality of clusters. ### Claim 6 (depends on 1) The integrated circuit according to claim 1, wherein when one cluster is allocated, the resource allocation information is signaled using the available bits only; and the control circuitry determines the resource allocation information based on the available bits. ### Claim 7 (depends on 1) The integrated circuit according to claim 1, wherein the resource allocation information includes a hopping flag, which indicates whether frequency hopping is applied in case a single cluster is allocated, and resource block assignment information, which indicates resource blocks (RBs) forming the allocated plurality of clusters. ### Claim 8 (depends on 1) The integrated circuit according to claim 1, wherein the number of available bits is determined based on a system bandwidth. ### Claim 9 (depends on 1) The integrated circuit according to claim 1, wherein the control circuitry, in operation, prepares uplink data to be transmitted on uplink resources determined at least based on the available bits in the resource allocation field. ### Claim 10 An integrated circuit comprising: reception circuitry which, in operation, controls reception of downlink control information including a resource allocation field, the resource allocation field signaling resource allocation information that indicates resources allocated to a terminal apparatus; and control circuitry coupled to the reception circuitry and, in operation, determines the resource allocation information based at least on the resource allocation field, wherein: when the reception circuitry receives, in the resource allocation field, less than all bits necessary to indicate clusters allocated to the terminal apparatus, the control circuitry assumes remaining bit(s) necessary to indicate the clusters allocated to the terminal apparatus to be of a defined value to determine the resource allocation information; when the reception circuitry receives, in the resource allocation field, all the bits necessary to indicate the clusters allocated to the terminal apparatus, the control circuitry determines the resource allocation information based on the resource allocation field. ### Claim 11 (depends on 10) The integrated circuit s according to claim 10, wherein the less than all the bits necessary to indicate the clusters allocated to the terminal apparatus are LSBs (Least Significant Bits) of the resource allocation information. ### Claim 12 (depends on 10) The integrated circuit according to claim 10, wherein the remaining bit(s) are MSBs (Most Significant Bits) of the resource allocation information, and the defined value is zero. ### Claim 13 (depends on 10) The integrated circuit according to claim 10, wherein the clusters are discontinuous on a frequency axis, each cluster including resource blocks (RBs) that are continuous on the frequency axis. ### Claim 14 (depends on 10) The integrated circuit according to claim 10, wherein the clusters are allocated in units of resource block groups (RBGs); and the resource allocation information indicates a start RBG index and an end RBG index of each of the clusters. ### Claim 15 (depends on 10) The integrated circuit according to claim 10, wherein, when one cluster is allocated to the terminal apparatus, the control circuitry determines the resource allocation information based only on the resource allocation field. ### Claim 16 (depends on 10) The integrated circuit according to claim 10, wherein the resource allocation information includes a hopping flag, which indicates whether frequency hopping is applied in case a single cluster is allocated, and resource block assignment information, which indicates resource blocks (RBs) forming the clusters allocated to the terminal apparatus. ### Claim 17 (depends on 10) The integrated circuit according to claim 10, wherein the control circuitry, in operation, determines uplink resources for transmitting uplink data based on the resource allocation information.