Radio communication device and response signal diffusion method

Details Radio communication device and response signal diffusion method Radio communication device and response signal diffusion method

2011-06-21

2011-06-21

Odom, Curtis B (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S130000, C375S135000, C375S149000, C375S260000, C375S267000, C370S203000, C370S208000

Reexamination Certificate

active

07965760

ABSTRACT:
Provided is a radio communication device which can suppress inter-code interference between an ACK/NACK signal and a CQI signal which are code-multiplexed. In this device, a diffusion unit (214) diffuses the ACK/NACK signal inputted from a judgment unit (208) by using a ZC sequence. A diffusion unit (219) diffuses the CQI signal by using a cyclic shift ZC sequence. By using a Walsh sequence, a diffusion unit (216) further diffuses the ACK/NACK signal which has been diffused by using the ZC sequence. A control unit (209) controls the diffusion unit (214), the diffusion unit (216), and the diffusion unit (219) so that the minimum value of the difference between the CQI signals from a plurality of mobile stations and a cyclic shift amount of the ACK/NACK signal is not smaller than the minimum value of the difference between the cyclic shift amounts of the ACK/NACK signals from the plurality of mobile stations.

REFERENCES:
patent: 2008/0075184 (2008-03-01), Muharemovic et al.
patent: 2008/0310540 (2008-12-01), Tiirola et al.
patent: 2008/053930 (2008-05-01), None
KDDI, “Uplink Data-Non-Associated Control Signaling in E-UTRA,” Report R1-073072, 3rd Generation Partnership Project (3GPP™) TSG RAN WG1 Meeting #49bis, Orlando, Florida, Jun. 25-29, 2007, pp. 1-5.
Notice of Reasons for Rejection mailed Feb. 9, 2010, issued in corresponding Japanese Patent Application No. 2009-528033, filed Aug. 6, 2009, 3 pages.
“3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA); Physical Channels and Modulation (Release 8),” Technical Specification 3GPP TS 36.211 V8.3.0, Valbonne, France, May 2008, 77 pages.
3GPP TSG RAN WG1 Meeting #49bis, “Usage of Cyclic Shifts and block-wise spreading codes for Uplink ACK/NACK,” R1-072799, Jun. 2007, 2 pages.
“CDM-Based Multiplexing Method of Multiple ACK/NACK and CQI for E-UTRA Uplink,” Report R1-062742, 3GPP TSG RAN WG1 Meeting #46bis, Seoul, Oct. 9-13, 2006, pp. 1-6.
“Commonality on the Cyclic Shift Hopping Patterns of ACK/NACK and CQI on PUCCH,” Report R1-074901, 3GPP TSG RAN WG1 Meeting #51, Jeju, Korea, Nov. 5-9, 2007, pp. 1-2.
“Cyclic Shift Hopping Pattern for Uplink ACK/NACK,” Report R1-074411, 3GPP TSG RAN WG1 Meeting #50bis, Shanghai, Oct. 8-12, 2007, pp. 1-6.
“Implicit Mapping of CCE to UL ACK/NACK Resource,” Report R1-073122, 3GPP RAN WG1 Meeting #49bis, Orlando, Florida, Jun. 25-29, 2007, pp. 1-4.
International Search Report mailed Nov. 18, 2008, issued in corresponding International Application No. PCT/JP2008/002199, filed Aug. 12, 2008.
“Multiplexing Capability of CQls and ACK/NACKs Form Different UEs,” Report R1-072315, 3GPP TSG RAN WG1 Meeting #49, Kobe, Japan, May 7-11, 2007, 4 pages.
“Scrambling Code for L1/L2 Control Channel With CDM Based Multiplexing in E-UTRA Downlink,” Report R1-062945, 3GPP TSG RAN WG1 Meeting #46bis, Seoul, Oct. 9-13, 2006, pp. 1-4.
“Signaling of Implicit ACK/NACK Resources,” Report R1-073006, 3GPP TSG RAN WG1 Meeting #49bis, Orlando, Florida, Jun. 25-29, 2007, 8 pages.
“Signaling Parameters for UL ACK/NACK Resources,” Report R1-073616, 3GPP TSG RAN WG1 Meeting #50, Athens, Aug. 20-24, 2007, pp. 1-3.
“Variable Phase Definition of the Reference Signal for CQI in PUCCH,” Report R1-073621, 3GPP TSG RAN WG1 Meeting #50, Athens, Aug. 20-24, 2007, pp. 1-5.

Affiliated with

Also associated with

Rating

Radio communication device and response signal diffusion method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Radio communication device and response signal diffusion method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Radio communication device and response signal diffusion method will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2619592