METHOD AND APPARATUS FOR CHANNEL RESOURCE DETERMINING AND RESOURCE MAPPING
Disclosed are a method and apparatus for channel resource determining and resource mapping, used for enabling a user equipment to be able to determine a resource position used by a control channel of the user equipment in a resource set used by a control region of a short TTI. The method for channel resource determining provided in the present application comprises: a user equipment determining a resource set used by a control region of a short transmission time interval; and the user equipment determining a resource position used by a control channel of the user equipment in the resource set.
1 . A method for determining a channel resource, comprising:
determining, by a user equipment, a resource set for a control region of a short transmission time interval; and
determining, by the user equipment, a set of resources for a control channel of the user equipment in the resource set.
2 . The method according to claim 1 , wherein determining, by the user equipment, the resource set for the control region of the short transmission time interval comprises:
obtaining, by the user equipment, the resource set for the control region of the short transmission time interval through higher-layer signaling; or
obtaining, by the user equipment, the resource set for the control region of the short transmission time interval according to information carried by a PDCCH transmitted in a legacy control region; or
obtaining, by the user equipment, the resource set for the control region of the short transmission time interval as agreed on in advance with a network side.
3 . The method according to claim 1 , further comprises:
detecting, by the user equipment, blindly the control channel of the user equipment in the set of resources for the control channel of the user equipment.
4 . A method for mapping to a resource, comprising:
determining, by a base station, a resource set for a control region of a short transmission time interval of a user equipment; and
mapping, by the base station, a control channel of the short transmission time interval of the user equipment to a set of resources within the resource set.
5 . The method according to claim 4 , wherein the resource set is a resource set agreed on in advance with the user equipment.
6 . The method according to claim 4 , further comprises: notifying, by the base station, the user equipment of the resource set.
7 . The method according to claim 6 , wherein notifying, by the base station, the user equipment of the resource set comprises:
notifying, by the base station, the user equipment of the resource set for the control region of the short transmission time interval of the user equipment through higher-layer signaling; or
notifying, by the base station, the user equipment of the resource set for the control region of the short transmission time interval of the user equipment in a sub-frame through information carried by PDCCH transmitted in the legacy control region located in the same sub-frame.
8 . The method according to claim 7 , wherein when the base station notifies the user equipment of the resource set for the control region of the short transmission time interval of the user equipment through the higher-layer signaling, a same resource set for control regions of all the short transmission time intervals in a sub-frame is notified through the higher-layer signaling; or the resource set for the control region of each short transmission time interval in the sub-frame is notified through the higher-layer signaling separately.
9 . The method according to claim 7 , wherein when the base station notifies the user equipment of the resource set for the control region of the short transmission time interval in a sub-frame through the information carried by PDCCH transmitted in the legacy control region in the same sub-frame, the resource set for control regions across all short transmission time intervals in the sub-frame is uniform and notified by the information; or the resource set for the control region of each short transmission time interval in the sub-frame is notified respectively through the information carried by PDCCH transmitted in the legacy control region in the same sub-frame.
10 . The method according to claim 4 , wherein the resource set for the control region of the short transmission time interval comprises N resource block groups or P resource blocks in a frequency domain in the short transmission time interval, the N resource block groups are consecutive or discrete in frequency domain, or the P resource blocks are consecutive or discrete in frequency domain, and each resource block group comprises M resource blocks, wherein N, P, and M are positive integers.
11 .- 22 . (canceled)
23 . An apparatus for determining a channel resource, comprising:
a processor configured to read and execute program in a memory:
to determine a resource set for a control region of a short transmission time interval; and to determine a set of resources for a control channel of the user equipment in the resource set; and
a transceiver configured to receive and transmit data under a control of the processor.
24 . The apparatus according to claim 23 , wherein the processor is configured:
to obtain the resource set for the control region of the short transmission time interval through the higher-layer signaling; or
to obtain the resource set for the control region of the short transmission time interval according to information carried by a PDCCH transmitted in the legacy control region; or
to obtain the resource set for the control region of the short transmission time interval as agreed on in advance with a network side.
25 . The apparatus according to claim 23 , wherein the processor is further configured:
to detect blindly the control channel of the user equipment in the set of resources for the control channel of the user equipment.
26 . An apparatus for mapping to a resource, the apparatus comprising:
a processor configured to read and execute program in a memory:
to determine a resource set for a control region of a short transmission time interval of a user equipment; and to map a control channel of the short transmission time interval of the user equipment to a set of resources within the resource set; and
a transceiver configured to receive and transmit data under a control of the processor.
27 . The apparatus according to claim 26 , wherein the resource set is a resource set agreed on in advance with the user equipment.
28 . The apparatus according to claim 26 , wherein the processor is further configured:
to notify the user equipment of the resource set.
29 . The apparatus according to claim 28 , wherein the processor is configured:
to notify the user equipment of the resource set for the control region of the short transmission time interval of the user equipment through higher-layer signaling; or
to notify the user equipment of the resource set for the control region of the short transmission time interval of the user equipment in a sub-frame through information carried by PDCCH transmitted in the legacy control region located in the same sub-frame.
30 . The apparatus according to claim 29 , wherein when the resource set for the control region of the short transmission time interval of the user equipment is notified to the user equipment through the higher-layer signaling, the processor is configured to notify a same resource set for control regions of all short transmission time intervals in a sub-frame through high-layer signaling; or the processor is configured to notify the resource set for the control region of each short transmission time interval in the sub-frame through the higher-layer signaling separately.
31 . The apparatus according to claim 29 , wherein when the processor configured to notify the user equipment of the resource set for the control region of the short transmission time interval of the user equipment in a sub-frame through the information carried by PDCCH transmitted in the legacy control region in the same sub-frame, the resource set for control regions across all short transmission time intervals in the sub-frame is uniform and notified by the information; or the processor is configured to notify the resource set for the control region of each short transmission time interval in the sub-frame respectively through the information carried by PDCCH transmitted in the legacy control region in the same sub-frame.
32 . The apparatus according to claim 26 , wherein the resource set for the control region of the short transmission time interval comprises N resource block groups or P resource blocks in a frequency domain in the short transmission time interval, the N resource block groups are consecutive or discrete in the frequency domain, or the P resource blocks are consecutive or discrete in the frequency domain, and each resource block group comprises M resource blocks, wherein N, P, and M are positive integers.
33 . (canceled)