IP Library › Granted Patent US 12,563,563
Granted Patent B2
US 12,563,563 · App. 18/115,358 · Granted Feb 24, 2026

Random access in control channel repetition

Inventors: Ali Cagatay Cirik (Chantilly, VA); Esmael Hejazi Dinan (McLean, VA); Yunjung Yi (Vienna, VA); Hua Zhou (Vienna, VA); Jonghyun Park (Syosset, NY)
Assignee: Ofinno, LLC
H04W72/23H04W74/0833H04W74/0836H04W74/0838
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Quick Facts
Patent No.
US 12,563,563
App. No.
18/115,358
Granted
Feb 24, 2026
Kind
B2
Abstract

A wireless device may receive, via a control resource set (coreset) activated with at least two transmission configuration indicator (TCI) states, a physical downlink control channel (PDCCH) order triggering a random-access procedure for a cell. The wireless device may transmit a random-access preamble, of the random-access procedure, with a transmission power based on a TCI state among the at least two TCI states of the coreset.

Claims (48)

1 . A method comprising:

receiving, by a wireless device, a control command indicating two transmission configuration indicator (TCI) states;

receiving a physical downlink control channel (PDCCH) order triggering a random-access procedure, wherein the PDCCH order comprises a field, wherein:

a first value of the field indicates to use a first TCI state, of the two TCI states, for pathloss of a physical random access channel (PRACH) transmission of the random-access procedure; and

a second value of the field indicates to use a second TCI state, of the two TCI states, for the pathloss of the PRACH transmission of the random-access procedure;

transmitting, for the random-access procedure, the PRACH using a transmission power determined based on the pathloss; and

receiving downlink control information (DCI) scheduling a random-access response corresponding to the PRACH transmission.

2 . The method of claim 1 , further comprising determining the transmission power for the PRACH transmission.

3 . The method of claim 2 , wherein the transmission power is determined based on:

the first TCI state when the field is set to the first value; and

the second TCI state when the field is set to the second value.

4 . The method of claim 1 , further comprising determining a pathloss estimate of the PRACH transmission based on a TCI state, among the two TCI states, indicated by a value of the field.

5 . The method of claim 1 , further comprising initiating the random-access procedure based on receiving the PDCCH order.

6 . The method of claim 1 , wherein the random-access procedure is a contention-free random-access procedure.

7 . The method of claim 1 , wherein the control command is a MAC-CE.

8 . The method of claim 7 , further comprising receiving one or more radio resource control (RRC) messages comprising one or more configuration parameters, wherein the one or more configuration parameters indicate a plurality of TCI states comprising the two TCI states.

9 . The method of claim 1 , wherein the transmitting the PRACH transmission uses a spatial domain transmission filter determined based on a TCI state among the two TCI states, wherein the TCI state is:

the first TCI state based on the field being set to the first value; or

the second TCI state based on the field being set to the second value.

10 . A wireless device comprising:

one or more processors; and

memory storing instructions that, when executed by the one or more processors, cause the wireless device to:

receive a control command indicating two transmission configuration indicator (TCI) states;

receive a physical downlink control channel (PDCCH) order triggering a random-access procedure, wherein the PDCCH order comprises a field, wherein:

a first value of the field indicates to use a first TCI state, of the two TCI states, for pathloss of a physical random access channel (PRACH) transmission of the random-access procedure; and

a second value of the field indicates to use a second TCI state, of the two TCI states, for the pathloss of the PRACH transmission of the random-access procedure;

transmit, for the random-access procedure, the PRACH using a transmission power determined based on the pathloss; and

receive downlink control information (DCI) scheduling a random-access response corresponding to the PRACH transmission.

11 . The wireless device of claim 10 , wherein the instructions further cause the wireless device to determine the transmission power.

12 . The wireless device of claim 11 , wherein the transmission power is determined based on:

the first TCI state when the field is set to the first value; and

the second TCI state when the field is set to the second value.

13 . The wireless device of claim 10 , wherein the instructions further cause the wireless device to determine a pathloss estimate of the PRACH transmission based on a TCI state, among the two TCI states, indicated by a value of the field.

14 . The wireless device of claim 10 , wherein the instructions further cause the wireless device to initiate the random-access procedure based on receiving the PDCCH order.

15 . The wireless device of claim 10 , wherein the random-access procedure is a contention-free random-access procedure.

16 . The wireless device of claim 10 , wherein the control command is a MAC-CE.

17 . The wireless device of claim 16 , wherein the instructions further cause the wireless device to receive one or more radio resource control (RRC) messages comprising one or more configuration parameters, wherein the one or more configuration parameters indicate a plurality of TCI states comprising the two TCI states.

18 . The wireless device of claim 10 , wherein transmitting the PRACH transmission uses a spatial domain transmission filter determined based on a TCI state among the two TCI states, wherein the TCI state is:

the first TCI state based on the field being set to the first value; or

the second TCI state based on the field being set to the second value.

19 . A non-transitory computer-readable medium comprising instructions that, when executed by one or more processors of a wireless device, cause the wireless device to:

receive a control command indicating two transmission configuration indicator (TCI) states;

receive a physical downlink control channel (PDCCH) order triggering a random-access procedure, wherein the PDCCH order comprises a field, wherein:

a first value of the field indicates to use a first TCI state, of the two TCI states, for pathloss of a physical random access channel (PRACH) transmission of the random-access procedure; and

a second value of the field indicates to use a second TCI state, of the two TCI states, for the pathloss of the PRACH transmission of the random-access procedure;

transmit, for the random-access procedure the PRACH using a transmission power determined based on the pathloss; and

receive downlink control information (DCI) scheduling a random-access response corresponding to the PRACH transmission.

20 . The non-transitory computer-readable medium of claim 19 , wherein the instructions further cause the wireless device to determine the transmission power.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 6, 2023
From: CIRIK, ALI CAGATAY; DINAN, ESMAEL HEJAZI; YI, YUNJUNG; ZHOU, HUA; PARK, JONGHYUN
To: OFINNO, LLC
Reel/Frame 063250/0146 →
Continuity (3)
Continuation PCTUS2021047893 · Aug 27, 2021
Provisional Application 63072752 · Aug 31, 2020
Related Publication 20230363005A1 · Nov 9, 2023
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