Methods and apparatuses for resource allocation indication information in a wireless communication system
In the method of present application, a terminal device obtains resource indication information. The resource indication information indicates frequency domain resources of a data channel of a terminal device. The resource indication information comprises S bits, where S is a positive integer. The terminal device determines the frequency domain resources of the data channel of the terminal device based on the resource indication information.
1 . A communication method, performed by a terminal device or a chip in the terminal device, comprising:
obtaining resource indication information, wherein the resource indication information indicates frequency domain resources in a control resource set, the resource indication information comprises S bits, and S is a positive integer; and
determining the frequency domain resources in the control resource set based on the resource indication information;
wherein a most significant bit, MSB, in the S bits is used to indicate whether a resource block set belongs to the frequency domain resources in the control resource set, and the resource block set consist of m consecutive resource blocks of a bandwidth part, BWP, wherein a second offset is an offset between a start resource block of a common index area and a start resource block of the BWP, a quantity of resource blocks offset from a start resource block of the resource block set to the start resource block of the common index area is an integer multiple of m.
2 . The method according to claim 1 , wherein the common index area further comprises one or more BWPs.
3 . The method according to claim 1 , wherein:
a second most significant bit in the S bits indicates whether the m consecutive resource blocks belong to the frequency domain resources in the control resource set, the m consecutive resource blocks are adjacent to m resource blocks indicated by the most significant bit in the S bits, and S>1.
4 . The method according to claim 1 , wherein:
when the resource block set is the m consecutive resource blocks starting from the start resource block of the BWP, S is └(X2−n)/m┘+1; or
when the resource block set is the m consecutive resource blocks adjacent to a difference value n of consecutive resource blocks starting from the start resource block of the BWP, S is └(X2−n)/m┘, wherein
└ ┘ indicates rounding-down, and X2 is a quantity of resource blocks in the BWP, n is greater than zero.
5 . The method according to claim 1 , wherein the resource indication information is a bitmap.
6 . The method according to claim 1 , wherein m is equal to 6.
7 . The method according to claim 1 , wherein the start resource block of the common index area is Common RB 0.
8 . The method according to claim 1 , wherein each of the S bits indicates whether a resource block set in the BWP belongs to the frequency domain resources in the control resource set.
9 . The method according to claim 1 , further comprising:
obtaining the second offset based on an indication.
10 . The method according to claim 9 , wherein the obtaining the second offset based on the indication comprises:
obtaining the second offset based on the indication by using higher layer signaling.
11 . The method according to claim 9 , wherein the obtaining the second offset comprises:
receiving the second offset from a network device.
12 . The method according to claim 11 , wherein the receiving the second offset from a network device comprises:
receiving the second offset from the network device by using higher layer signaling.
13 . The method according to claim 1 , wherein
the start resource block of the common index area is used as a boundary for resource block set configuration.
14 . A wireless apparatus, comprising:
one or more processors; and
at least one memory, wherein the at least one memory stores instructions, and when executing the instructions stored in the memory, the one or more processors executes operations comprising:
obtaining resource indication information, wherein the resource indication information indicates frequency domain resources in a control resource set, the resource indication information comprises S bits, and S is a positive integer; and
determining the frequency domain resources in the control resource set based on the resource indication information;
wherein a most significant bit, MSB, in the S bits is used to indicate whether a resource block set belongs to the frequency domain resources in the control resource set, and the resource block set consist of m consecutive resource blocks of a bandwidth part, BWP, wherein a second offset is an offset between a start resource block of a common index area and a start resource block of the BWP, a quantity of resource blocks offset from a start resource block of the resource block set to the start resource block of the common index area is an integer multiple of m.
15 . The apparatus according to claim 14 , wherein the common index area further comprises one or more BWPs.
16 . The apparatus according to claim 14 , wherein a second most significant bit in the S bits indicates whether the m consecutive resource blocks are the frequency domain resources in the control resource set, the m consecutive resource blocks are adjacent to m resource blocks indicated by the most significant bit in the S bits, and S>1.
17 . The apparatus according to claim 14 , wherein when the resource block (RB) set is the m consecutive resource blocks starting from the start resource block of the BWP, S is └(X2−n)/m┘+1; or
when the resource block (RB) set is the m consecutive resource blocks adjacent to a difference value n of consecutive resource blocks starting from the start resource block of the BWP, S is └(X2−n)/m┘, wherein
└ ┘ indicates rounding-down, and X2 is a quantity of resource blocks in the BWP, n is greater than zero.
18 . The apparatus according to claim 14 , wherein the resource indication information is a bitmap.
19 . The apparatus according to claim 14 , wherein m is equal to 6.
20 . The apparatus according to claim 14 , wherein the start resource block of the common index area is Common RB 0.
21 . The apparatus according to claim 14 , wherein each of the S bits indicates whether a resource block set in the BWP is the frequency domain resources in the control resource set.
22 . The apparatus according to claim 14 , wherein the operations comprise:
obtaining the second offset based on an indication.
23 . The apparatus according to claim 22 , wherein the obtaining the second offset based on the indication comprises:
obtaining the second offset based on the indication by using higher layer signaling.
24 . The apparatus according to claim 22 , wherein the obtaining the second offset comprises:
receiving the second offset from a network device.
25 . The apparatus according to claim 24 , wherein the receiving the second offset from a network device comprises:
receiving the second offset from the network device by using higher layer signaling.
26 . The apparatus according to claim 14 , wherein
the start resource block of the common index area is used as a boundary for resource block set configuration.