User equipment, base station device, and communication method

Patent metadata

Field	Value
Publication number	US-2021195620-A1
Application number	US-201917054509-A
Country	US
Kind code	A1
Filing date	May 10, 2019
Priority date	May 10, 2018
Publication date	Jun 24, 2021
Grant date	—

Abstract

A terminal apparatus includes: a higher layer processing unit configured to configure, in the serving cell, the first set of downlink resource blocks (DL RBs) continuous in a frequency domain and the second set, which is different from the first set, of DL RBs continuous in the frequency domain; and a receiver configured to monitor a first PDCCH with a first DCI format in the first set, the first set being activated, and receive a PDSCH scheduled according to the first DCI format in the first set, wherein in a case that the number of different sizes of DCI formats monitored by using a C-RNTI in the serving cell exceeds three, a size of a first frequency domain resource allocation field included in the first DCI format is provided based on the number of the RBs in the second set, and the first frequency domain resource allocation field is used for scheduling the RBs in the first set.

First claim

What is claimed is:

1 . A terminal apparatus for communicating with a base station apparatus in a serving cell, the terminal apparatus comprising:
a higher layer processing unit configured to configure, in the serving cell, the first set of downlink resource blocks continuous in a frequency domain and the second set, which is different from the first set, of downlink resource blocks continuous in the frequency domain; and a receiver configured to monitor a first Physical Downlink Control Channel (PDCCH) with a first Downlink Control Information (DCI) format in the first set, the first set being activated, and receive a Physical Downlink Shared Channel (PDSCH) scheduled according to the first DCI format in the first set, wherein in a case that the number of different sizes of DCI formats monitored using a Common-Radio Network Temporary Identifier (C-RNTI) in the serving cell exceeds three, a size of a first frequency domain resource allocation field included in the first DCI format is provided based on the number of the resource blocks in the second set, and the first frequency domain resource allocation field is used for scheduling the resource blocks in the first set.

2 . The terminal apparatus according to claim 1 , wherein
in a case that the number of different sizes of the DCI formats monitored using the C-RNTI does not exceed three in the serving cell, the size of the first frequency domain resource allocation field included in the first DCI format is provided based on the number of the resource blocks in the first set.

3 . The terminal apparatus according to claim 1 , further comprising:
a transmitter configured to transmit a Physical Uplink Shared CHannel (PUSCH) in a third set of uplink resource blocks continuous in the frequency domain, wherein the serving cell includes the third set and a fourth set, which is different from the third set, of uplink resource blocks continuous in the frequency domain, the third set is activated, the receiver monitors a second PDCCH with a second DCI format in the first set, the PUSCH is scheduled according to the second DCI format, a size of a second frequency domain resource allocation field included in the second DCI format is provided based on the fourth set, and the second frequency resource allocation field is used for scheduling the resource blocks in the fourth set.

4 . A base station apparatus for communicating with a terminal apparatus in a serving cell, the base station apparatus comprising:
a higher layer processing unit configured to configure, in the serving cell, a first set of downlink resource blocks continuous in a frequency domain and the second set, which is different from the first set, of downlink resource blocks continuous in the frequency domain; and a transmitter configured to transmit a first Physical Downlink Control Channel (PDCCH) with a first Downlink Control Information (DCI) format in the first set, the first set being activated, and transmit a Physical Downlink Shared Channel (PDSCH) scheduled according to the DCI format in the first set, wherein in a case that the number of sizes of DCI formats monitored using a Common-Radio Network Temporary Identifier (C-RNTI) in the serving cell exceeds three, a size of a first frequency domain resource allocation field included in the first DCI format is provided based on the number of the second sets, and the first frequency domain resource allocation field is used for scheduling the resource blocks in the first set.

5 . The base station apparatus according to claim 4 , wherein
in a case that the number of sizes of the DCI formats monitored using the C-RNTI does not exceed three in the serving cell, the size of the first frequency domain resource allocation field included in the first DCI format is provided based on the number of the resource blocks of the first set.

6 . The base station apparatus according to claim 4 , further comprising:
a receiver configured to receive a Physical Uplink Shared CHannel (PUSCH) in a third set of uplink resource blocks continuous in the frequency domain, wherein the serving cell includes the third set and a fourth set, which is different from the third set, of uplink resource blocks continuous in the frequency domain, the third set is activated, the transmitter transmits a second PDCCH with a second DCI format in the first set, the PUSCH is scheduled according to the second DCI format, a size of a second frequency domain resource allocation field included in the second DCI format is provided based on the fourth set, and the second frequency resource allocation field is used for scheduling the resource blocks in the fourth set.

7 . A communication method used for a terminal apparatus for communicating with a base station apparatus in a serving cell, the communication method comprising the steps of:
configuring, in the serving cell, the first set of downlink resource blocks continuous in a frequency domain and the second set, which is different from the first set, of downlink resource blocks continuous in the frequency domain; and monitoring a first Physical Downlink Control Channel (PDCCH) with a first Downlink Control Information (DCI) format in the first set, the first set being activated, and receiving a Physical Downlink Shared Channel (PDSCH) scheduled according to the first DCI format in the first set, wherein in a case that the number of different sizes of DCI formats monitored using a Common-Radio Network Temporary Identifier (C-RNTI) in the serving cell exceeds three, a size of a first frequency domain resource allocation field included in the first DCI format is provided based on the number of the resource blocks in the second set, and the first frequency domain resource allocation field is used for scheduling the resource blocks in the first set.

8 . A communication method used for a base station apparatus for communicating with a terminal apparatus in a serving cell, the communication method comprising the steps of:
configuring, in the serving cell, the first set of downlink resource blocks continuous in a frequency domain and the second set, which is different from the first set, of downlink resource blocks continuous in the frequency domain; and transmitting a first Physical Downlink Control Channel (PDCCH) with a first Downlink Control Information (DCI) format in the first set, the first set being activated, and transmitting a Physical Downlink Shared Channel (PDSCH) scheduled according to the first DCI format in the first set, wherein in a case that the number of sizes of DCI formats monitored using a Common-Radio Network Temporary Identifier (C-RNTI) in the serving cell exceeds three, a size of a first frequency domain resource allocation field included in the first DCI format is provided based on the number of the resource blocks in the second sets, and the first frequency domain resource allocation field is used for scheduling the resource blocks in the first set.

Assignees

• Sharp Kk
• Fg innovation co ltd

Inventors

• Yoshimura Tomoki
• Suzuki Shoichi
• Ohuchi Wataru
• Liu Liqing
• Lee Taewoo
• Lin Hui-Fa

Classifications

• H04L5/001 Primary

  the frequencies being arranged in component carriers · CPC title

• H04W72/23

  in the downlink direction of a wireless link, i.e. towards a terminal · CPC title

• H04W72/535

  based on resource usage policies · CPC title

• H04W72/20

  Control channels or signalling for resource management · CPC title

• H04L27/261

  Details of reference signals · CPC title