IP Library Granted Patent US 12,524,301
Granted Patent B2
US 12,524,301 · App. 18/771,080 · Granted Jan 13, 2026

Error detection and checking in wireless communication systems

Inventor: Kyle Jung-Lin Pan (Saint James, NY)
Assignee: InterDigital Patent Holdings, Inc.
G06F11/1004H03M13/2957H04B7/0413H04B7/0456H04B7/0632H04L1/0041H04L1/0045H04L1/0061H04L1/0073H04L1/0076H04L1/1812H04L1/1861H04L5/0092H04W72/21H04L1/0026H04L1/1607H04L25/03343H04L2025/03426H04L2025/03802
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Quick Facts
Patent No.
US 12,524,301
App. No.
18/771,080
Granted
Jan 13, 2026
Kind
B2
Abstract

A device capable of operating in a wireless communication environment. The device may be configured to determine a plurality of control signaling bits. The device may determine a plurality of cyclic redundancy check (CRC) bits based on the plurality of control signaling bits. The device may apply a channel coding scheme to the plurality of control signaling bits and the plurality of CRC bits. The plurality of CRC bits may be distributed among the plurality of control signaling bits prior to applying the channel coding scheme. The device may transmit the channel coded plurality of control signaling bits and CRC bits.

Claims (35)

1 . A wireless transmit receive unit (WTRU) comprising a processor and memory, the processor and memory configured to:

generate first feedback bits, the first feedback bits comprising a channel quality index (CQI);

attach first cyclic redundancy check (CRC) bits to the first feedback bits;

apply a channel coding scheme to the first feedback bits and the first CRC bits;

generate second feedback bits, the second feedback bits comprising a precoding matrix index (PMI);

attach second CRC bits to the second feedback bits;

apply the channel coding scheme to the second feedback bits and the second CRC bits; and

send a transmission comprising the channel-coded first feedback bits and first CRC bits and the channel-coded second feedback bits and second CRC bits.

2 . The WTRU as in claim 1 , wherein the first feedback bits comprise a plurality of CQIs.

3 . The WTRU as in claim 1 , wherein the first feedback bits comprise at least one hybrid automatic repeat request (HARQ) acknowledge/non-acknowledge (ACK/NACK).

4 . The WTRU as in claim 1 , wherein the second feedback bits comprise a plurality of PMIs.

5 . The WTRU as in claim 4 , wherein each of the plurality of PMIs corresponds to a respective sub-band.

6 . The WTRU as in claim 1 , wherein the second feedback bits comprise at least one CQI.

7 . The WTRU as in claim 1 , wherein (i) the first CRC bits and (ii) the channel coding scheme applied to the first feedback bits and the first CRC bits are selected based on a number of the first feedback bits to be encoded.

8 . The WTRU as in claim 1 , wherein (i) the second CRC bits and (ii) the channel coding scheme applied to the second feedback bits and the second CRC bits are selected based on a number of the second feedback bits to be encoded.

9 . A method implemented by a wireless transmit receive unit (WTRU), the method comprising:

generating first feedback bits, the first feedback bits comprising a channel quality index (CQI);

attaching first cyclic redundancy check (CRC) bits to the first feedback bits;

applying a channel coding scheme to the first feedback bits and the first CRC bits;

generating second feedback bits, the second feedback bits comprising a precoding matrix index (PMI);

attaching second CRC bits to the second feedback bits;

applying the channel coding scheme to the second feedback bits and the second CRC bits; and

sending a transmission comprising the channel-coded first feedback bits and first CRC bits and the channel-coded second feedback bits and second CRC bits.

10 . The method as in claim 9 , wherein the first feedback bits comprise a plurality of CQIs.

11 . The method as in claim 9 , wherein the first feedback bits comprise at least one hybrid automatic repeat request (HARQ) acknowledge/non-acknowledge (ACK/NACK).

12 . The method as in claim 9 , wherein the second feedback bits comprise a plurality of PMIs.

13 . The method as in claim 12 , wherein the plurality of PMIs is divided into multiple groups.

14 . The method as in claim 9 , wherein the second feedback bits comprise at least one CQI.

15 . The method as in claim 9 , wherein (i) the first CRC bits and (ii) the channel coding scheme applied to the first feedback bits and the first CRC bits are selected based on a number of the first feedback bits to be encoded.

16 . The method as in claim 9 , wherein (i) the second CRC bits and (ii) the channel coding scheme applied to the second feedback bits and the second CRC bits are selected based on a number of second feedback bits to be encoded.

17 . A base station comprising a processor and memory, the processor and memory configured to:

receive a transmission comprising channel-coded first feedback bits and first cyclic redundancy check (CRC) bits and channel-coded second feedback bits and second CRC bits, wherein the channel-coded first feedback bits and first CRC bits correspond to first feedback bits attached with first CRC bits that were jointly channel coded using a channel coding scheme, the first feedback bits comprise a channel quality index (CQI), the channel-coded second feedback bits and second CRC bits correspond to second feedback bits attached with second CRC bits that were jointly channel coded using the channel coding scheme, and the second feedback bits comprise a precoding matrix index PMI.

18 . The base station as in claim 17 , wherein the first feedback bits comprise a plurality of CQIs, and the second feedback bits comprise a plurality of PMIs.

19 . The base station as in claim 18 , wherein each of the plurality of PMIs corresponds to a respective sub-band.

20 . The base station as in claim 17 , wherein the first feedback bits comprise at least one hybrid automatic repeat request (HARQ) acknowledge/non-acknowledge (ACK/NACK), and the second feedback bits comprise at least one CQI.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 9, 2025
From: INTERDIGITAL TECHNOLOGY CORPORATION
To: INTERDIGITAL PATENT HOLDINGS, INC.
Reel/Frame 070793/0352 →
Continuity (12)
Continuation 18201558 · May 24, 2023
Continuation 17194638 · Mar 8, 2021
Continuation 16389205 · Apr 19, 2019
Continuation 16017559 · Jun 25, 2018
Continuation 15160034 · May 20, 2016
Continuation 14678560 · Apr 3, 2015
Continuation 14196843 · Mar 4, 2014
Continuation 13922833 · Jun 20, 2013
Continuation 13437343 · Apr 2, 2012
Continuation 12112636 · Apr 30, 2008
Provisional Application 60915040 · Apr 30, 2007
Related Publication 20240362110A1 · Oct 31, 2024
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R1-071679, “ACK/NACK Transmission with UL Data”, Nokia, Siemens, 3GPP TSG RAN WG1 Meeting #48bis, St Julian's, Malta, 4 pages. [cited by applicant]
R1-071712, “Precoding Matrix Feedback BER Requirements”, Motorola, 3GPP TSG RAN WG1, St. Julian, Malta, pp. 1-3. [cited by applicant]
R1-071727, “Data Puncturing and Piggy-Backed Control”, Freescale Semiconductor, 3GPP TSG-RAN1 #48bis, St. Julian's, Malta, pp. 1-3. [cited by applicant]
R1-071808, “Haar-Based Compression for CQI Feedback”, InterDigital Communications Corporation, 3GPP TSG RAN WG1 Meeting #48bis, St. Julian's, Malta, 7 pages. [cited by applicant]
R1-072001, “Draft Report of 3GPP TSG RAN WG1 #48b v0.3.0 (St. Julian, Malta, Mar. 26-30, 2007)”, MCC Support, 3GPP TSG RAN WG1 Meeting #49, Kobe, Japan, 49 pages. [cited by applicant]
R1-072098, “Comparison of Different CQI Transmission Structures”, Huawei, 3GPP TSG-RAN-WG1 Meeting #49, Kobe, Japan, 3 pages. [cited by applicant]
R1-072099, “System Level Evaluation of CQI Compression Schemes for E-UTRA”, Huawei, 3GPP TSG-RAN-WG1 \fleeting #49, Kobe, Japan, 8 pages. [cited by applicant]
R1-072554, “Performance Evaluation of Haar-Based Compression for CQI Feedback for E-UTRA”, InterDigital Communications Corporation, 3GPP TSG RAN WG1 Meeting #49, Kobe, Japan, 11 pages. [cited by applicant]
R1-072590, “Proposed Way Forward for CQI Feedback Control and Content in E-UTRA”, Panasonic, Mitsubishi Electric, Philips, NTT DoCoMo, Huawei, 3GPP TSG-RAN WG1 Meeting #49, Kobe, Japan, pp. 1-2. [cited by applicant]
R1-072646, “Draft Report of 3GPP TSG RAN WG1 #49 v0.4.0 (Kobe, Japan, May 7-11, 2007)”, MCC Support, 3GPP TSG RAN WG1 Meeting #49b, Orlando, Florida—USA, 56 pages. [cited by applicant]
R1-073815, “Draft Report of 3GPP TSG RAN WG1 #49b v0.3.0 (Orlando, Florida—USA, Jun. 25-29, 2007)”, MCC Support, 3GPP TSG RAN WG1 Meeting #50, Athens, Greece, 52 pages. [cited by applicant]
R1-073896, “Draft Report of 3GPP TSG RAN WG1 #50 v0.2.0”, MCC Support, 3GPP TSG RAN WG1 Meeting #50b, Shanghai, China, pp. 1-59. [cited by applicant]
R1-081157, “Draft CR to 36.212 Incorporating Decisions From RAN1#51bis and RAN1#52”, Qualcomm Europe, 3GPP TSG-WG1 #52, Sorrento, Italy, pp. 1-35. [cited by applicant]
R1-081370, “3rd Generation Partnership Project (3GPP)”, “Coding of Control Information on PUSCH”, 3GPP TSG RAN WG1 52bis, Shenzhen, China, Mar. 31-Apr. 4, 2008, 4 pages. [cited by applicant]
R1-081370, “Coding of Control Information on PUSCH”, Texas Instruments, 3GPP TSG RAN WG1 52bis, Shenzhen, China, pp. 1-4. [cited by applicant]
R1-47063470, “Precoding Feedback Overhead”, Motorola, 3GPP TSG RAN WG1, Riga, Latvia, 4 pages. [cited by applicant]
3U, Shing-Fong, “Introduction to UMTS Air Interface and Wireless Engineering”, Lucent Technologies, Inc., Posts and Telecom Press, Jan. 1, 2006 00:00:00.0, 53 pages. [cited by applicant]
Tanner, et al., “WCDMA Requirements and Practical Design”, John Wiley & Sons, Ltd., Dec. 31, 2004 00:00:00.0, 18 pages. [cited by applicant]
Tdoc List RAN 1 # 49, “3rd Generation Partnership Project (3GPP)”, “Tdoc List RAN 1 Meeting # 49”, 15 pages. [cited by applicant]
Tdoc List RANI #50, “3rd Generation Partnership Project (3GPP)”, “Tdoc List RANI Meeting # 50”, 15 pages. [cited by applicant]
Tdoc R1-051045, “CQI Report and Scheduling Procedure”, Samsung, 3GPP TSG-RAN WG1 Meeting #42bis, San Diego, USA, 4 pages. [cited by applicant]
Tdoclist RANI #49B, “3rd Generation Partnership Project (3GPP)”, “Tdoc list RAN 1 Meeting # 49b”, 14 pages. [cited by applicant]
Toskala, et al., “High-speed Downlink Packet Access”, WCDMA for UMTS, Chapter II, 2002, 26 pages, including pp. 279-304. [cited by applicant]
TS 136 212 V8.8.0, “European Telecommunications Standards Institute (ETSI)”, LTE, Evolved Universal Terrestrial Radio Access (E-UTRA), Multiplexing and Channel Coding (3GPP TS 36.212 Version 8.8.0 Release 8), Jan. 1, 20… [cited by applicant]
TS 25.211 V6.7.0, “3rd Generation Partnership Project (3GPP)”, Technical Specification Group Radio Access Network, Physical Channels and Mapping of Transport Channels onto Physical Channels (FDD) (Release 6), Dec. 1, 20… [cited by applicant]
TS 25.212 V6.7.0, “3rd Generation Partnership Project (3GPP)”, Technical Specification Group Radio Access network, Multiplexing and Channel Coding (FDD) (Release 6), Dec. 1, 2005 00:00:00.0, pp. 1-84. [cited by applicant]
TS 25.214 V6.9.0, “3rd Generation Partnership Project (3GPP)”, Technical Specification Group Radio Access network, Physical Layer Procedures (FDD) (Release 6), Jun. 1, 2006 00:00:00.0, pp. 1-59. [cited by applicant]
TS 25.301, V6.4.0, “3rd Generation Partnership Project (3GPP)”, Technical Specification Group Radio Access network; Radio Interface Protocol Architecture (Release 6), Sep. 2005, pp. 1-48. [cited by applicant]
TS 25.302 V.6.6.0, “3rd Generation Partnership Project (3GPP)”, Technical Specification Group Radio Access network; Services Provided by the Physical Layer (Release 6), Mar. 1, 2006 00:00:00.0, pp. 1-74. [cited by applicant]
TS 25.308 V6.4.0, “3rd Generation Partnership Project (3GPP)”, Technical Specification Group Radio Access network; High Speed Downlink Packet Access (HSDPA); Overall description; Stage 2 (Release 6), Mar. 2007, 29 pages. [cited by applicant]
TS 25.321 V6.7.0, “3rd Generation Partnership Project (3GPP)”, Technical Specification Group Radio Access network; Medium Access Control (MAC) Protocol Specification (Release 6), Dec. 1, 2005 00:00:00.0, pp. 1-91. [cited by applicant]
TS 36.211 V1.0.0, “3rd Generation Partnership Project (3GPP)”, Technical Specification Group Radio Access network, Physical Channels and Modulation (Release 8), Mar. 1, 2007 00:00:00.0, 30 pages. [cited by applicant]
TS 36.212 V.8.2.0, “3rd Generation Partnership Project (3GPP)”, Technical Specification Group Radio Access network, Evolved Universal Terrestrial Radio Access (E-UTRA), Multiplexing and Channel Coding (Release 8), Mar. … [cited by applicant]
TS 36.212 V1.0.0, “3rd Generation Partnership Project (3GPP)”, Technical Specification Group Radio Access network, Multiplexing and Channel Coding (Release 8), Mar. 1, 2007 00:00:00.0, 15 pages. [cited by applicant]
TS 36.212 V8.8.0, “3rd Generation Partnership Project (3GPP)”, Technical Specification Group Radio Access network, Evolved Universal Terrestrial Radio Access (E-UTRA), Multiplexing and Channel Coding (Release 8), Dec. 1… [cited by applicant]
TS 36.213 V8.2.0, “3rd Generation Partnership Project (3GPP)”, Technical Specification Group Radio Access network, Evolved Universal Terrestrial Radio Access (E-UTRA), Physical Layer Procedures (Release 8), Mar. 1, 2008… [cited by applicant]
Third Generation Partnership Project (3GPP), “Multiplexing and Channel Coding”, Technical Specification Group Radio Access Network, Release 8, 3GPP TS 36.212 V0.4.2, Feb. 2007, 21 pages. [cited by applicant]
Third Generation Partnership Project (3GPP), “Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall Description”, Technical Specification Group Rad… [cited by applicant]
Third Generation Partnership Project (3GPP), “Physical Layer Measurements in E-UTRAN”, Ericsson, 3GPP TSG-RAN WG1 Meeting #47bis, Sorrento, Italy, Jan. 15-19, 2007, R1-070479, 3 pages. [cited by applicant]
3rd Generation Partnership Project, “Uplink data-non-associated control signaling”, Samsung, R1-071573, 3GPP TSG RAN WG1 Meeting #48bis, St. Julian's, Malta, Mar. 26-30, 2007. [cited by applicant]
[cited by applicant]