MULTIPLE LOW DENSITY PARITY CHECK (LDPC) BASE GRAPH DESIGN

    公开(公告)号:SG11201905827RA

    公开(公告)日:2019-08-27

    申请号:SG11201905827R

    申请日:2018-01-19

    Applicant: QUALCOMM INC

    Abstract: MaintainLDPC base graphs, each associated thk ... a different Information block length rang foon c R a e t i e o i n ve l i o o o n c f l i r tn 'a be o e n n e b oloc d ek dtsIg a length n of an rate 904 n Select LDPC base graph hat supports information -v-s 908 block length Select LDPC base graph that suppo is code rate 912 Select LDPC base graph with the highest lift size 914 Encode information block using selected LDPC H 910 base graph to produce codeword Transmit codeword to receiver over wireless air H i , interface ( End FIG. 9 W O 20 18/ 14425 1 Al (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 09 August 2018 (09.08.2018) WIP0 I PCT onion °nolo mm0E111°1 Em oimIE (10) International Publication Number WO 2018/144251 Al (51) International Patent Classification: H03M 13/03 (2006.01) H03M 13/00 (2006.01) H03M 13/11 (2006.01) (21) International Application Number: PCT/US2018/014528 (22) International Filing Date: 19 January 2018 (19.01.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/455,450 06 February 2017 (06.02.2017) US 15/709,400 19 September 2017 (19.09.2017) US (71) Applicant: QUALCOMM INCORPORATED [US/US]; ATTN: International IP Administration, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). (72) Inventors: SORIAGA, Joseph Binamira; 5775 More- house Drive, San Diego, California 92121-1714 (US). SARKIS, Gabi; 5775 Morehouse Drive, San Diego, Cal- ifornia 92121-1714 (US). KUDEKAR, Shrinivas; 304 Bencer Court, Raritan, NJ 08869 (US). RICHARDSON, Thomas; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). LONCKE, Vincent; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). (74) Agent: BURGESS, Jeffrey; Loza & Loza, LLP, 305 North Second Avenue #127, Upland, California 91786 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). (54) Title: MULTIPLE LOW DENSITY PARITY CHECK (LDPC) BASE GRAPH DESIGN (57) : Aspects of the present disclosure relate to low density parity check (LDPC) coding utilizing LDPC base graphs. Two or more LDPC base 900 graphs may be maintained that are associated with different ranges of overlap- ping information block lengths. A particular LDPC base graph may be selected for an information block based on the information block length of the informa- tion block. Additional metrics that may be considered when selecting the LDPC base graph may include the code rate utilized to encode the information block and/or the lift size applied to each LDPC base graph to produce the information block length of the information block. [Continued on next page] WO 2018/144251 Al MIDEDIM01101 OlD IIMEN0MMHOM111111011111111111111111111111 Declarations under Rule 4.17: as to applicant's entitlement to apply for and be granted a patent (Rule 4.17(11)) as to the applicant's entitlement to claim the priority of the earlier application (Rule 4.17(iii)) Published: — with international search report (Art. 21(3))

    PAYLOAD SIZE AMBIGUITY AND FALSE ALARM RATE REDUCTION FOR POLAR CODES

    公开(公告)号:CA3060260A1

    公开(公告)日:2018-11-22

    申请号:CA3060260

    申请日:2018-04-16

    Applicant: QUALCOMM INC

    Abstract: Size ambiguity and false alarm rate reduction for polar codes. A user equipment (UE) may determine a decoding candidate bit sequence for a polar-encoded codeword having a codeword size based on a decoding hypothesis for control information having a particular bit length of multiple different bit lengths for the codeword size. The UE may calculate an error detection code (EDC) value for a payload portion of the decoding candidate bit sequence using an EDC algorithm, and may initialize an EDC variable state with at least one non-zero bit value. Scrambling or interleaving of bits may also be performed prior to, or after, polar encoding and may depend on the bit length. In examples, information bits may be bit-reversed prior to generating an EDC value. In examples, the encoded bits may include multiple EDC values to assist the UE in performing early termination and to reduce a false alarm rate.

    POLAR LIST DECODING WITH EARLY TERMINATION

    公开(公告)号:CA3058911A1

    公开(公告)日:2018-11-08

    申请号:CA3058911

    申请日:2018-05-03

    Applicant: QUALCOMM INC

    Abstract: Methods, systems, and devices for wireless communication are described. In a new radio (NR) system, a wireless device may identify a candidate codeword for a channel employing polar coding. The wireless device may perform a decoding operation on the candidate codeword to determine candidate decoding paths corresponding to encoded information bits. The decoding operation may include multiple decoding path candidates, each of which is associated with a path metric. The wireless device may evaluate a spread metric to determine if a decoding hypothesis is incorrect or if the received codeword is too corrupted for decoding. The spread metric may be based on the path metrics of the decoding paths or soft metrics of the decoding paths determined based on a subset of bit channels of the polar code. The wireless device may normalize the spread metric to compensate for signal-to-noise ratio (SNR) variation.

    MULTIPLE LOW DENSITY PARITY CHECK (LDPC) BASE GRAPH DESIGN

    公开(公告)号:CA3049454A1

    公开(公告)日:2018-08-09

    申请号:CA3049454

    申请日:2018-01-19

    Applicant: QUALCOMM INC

    Abstract: Aspects of the present disclosure relate to low density parity check (LDPC) coding utilizing LDPC base graphs. Two or more LDPC base graphs may be maintained that are associated with different ranges of overlapping information block lengths. A particular LDPC base graph may be selected for an information block based on the information block length of the information block. Additional metrics that may be considered when selecting the LDPC base graph may include the code rate utilized to encode the information block and/or the lift size applied to each LDPC base graph to produce the information block length of the information block.

    Multiple low density parity check (LDPC) base graph design

    公开(公告)号:AU2018214491B2

    公开(公告)日:2022-06-09

    申请号:AU2018214491

    申请日:2018-01-19

    Applicant: QUALCOMM INC

    Abstract: Aspects of the present disclosure relate to low density parity check (LDPC) coding utilizing LDPC base graphs. Two or more LDPC base graphs may be maintained that are associated with different ranges of overlapping information block lengths. A particular LDPC base graph may be selected for an information block based on the information block length of the information block. Additional metrics that may be considered when selecting the LDPC base graph may include the code rate utilized to encode the information block and/or the lift size applied to each LDPC base graph to produce the information block length of the information block.

    Métodos e condições de transmissão de relatórios csi de sidelink

    公开(公告)号:BR112022003997A2

    公开(公告)日:2022-05-31

    申请号:BR112022003997

    申请日:2020-09-15

    Applicant: QUALCOMM INC

    Abstract: métodos e condições de transmissão de relatórios csi de sidelink. alguns aspectos fornecem um método para comunicação sem fio por um primeiro dispositivo sem fio. o método geralmente inclui receber uma ou mais instâncias de sinais de referência de informação de estado de canal (csi-rs), gerar csi com base em uma ou mais das instâncias csi-rs, determinar o tempo para transmitir a csi com base, pelo menos em parte, em pelo menos uma condição envolvendo as instâncias csi-rs, e transmitir a csi de acordo com o tempo determinado.

    Monitoramento de sinal de despertar usando identificador comum

    公开(公告)号:BR112021018440A2

    公开(公告)日:2021-11-23

    申请号:BR112021018440

    申请日:2020-02-26

    Applicant: QUALCOMM INC

    Abstract: monitoramento de sinal de despertar usando identificador comum. métodos, sistemas e dispositivos para comunicações sem fio são descritos. de acordo com um ou mais aspectos, um equipamento de usuário (ue) pode receber uma mensagem de configuração de uma estação base. a mensagem de configuração pode configurar o ue com base em um ou mais identificadores associados a um grupo de ues. o ue pode determinar pelo menos um identificador com base no recebimento da mensagem de configuração e pode monitorar um sinal com base em pelo menos um identificador. em alguns casos, o sinal pode indicar se o ue deve pular uma próxima duração associada a uma recepção descontínua. o ue pode, então, comunicar-se com a estação base, com base no monitoramento do sinal.

    SEARCH SPACE SET FOR WAKEUP SIGNAL
    40.
    发明专利

    公开(公告)号:SG11202109585XA

    公开(公告)日:2021-10-28

    申请号:SG11202109585X

    申请日:2020-03-02

    Applicant: QUALCOMM INC

    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may monitor a wakeup signal search space (WUS-SS) set for a physical downlink shared channel (PDCCH) wakeup signal (WUS). The UE may detect the PDCCH WUS in the WUS-SS set based at least in part on monitoring the WUS-SS set. Numerous other aspects are provided.

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