RU2001101534A - FOUR-PHASE EXPANSION CODES IN THE SYSTEM OF COMMUNICATION OF MULTIPLE ACCESS WITH CODE DIVISION OF CHANNELS - Google Patents
FOUR-PHASE EXPANSION CODES IN THE SYSTEM OF COMMUNICATION OF MULTIPLE ACCESS WITH CODE DIVISION OF CHANNELSInfo
- Publication number
- RU2001101534A RU2001101534A RU2001101534/09A RU2001101534A RU2001101534A RU 2001101534 A RU2001101534 A RU 2001101534A RU 2001101534/09 A RU2001101534/09 A RU 2001101534/09A RU 2001101534 A RU2001101534 A RU 2001101534A RU 2001101534 A RU2001101534 A RU 2001101534A
- Authority
- RU
- Russia
- Prior art keywords
- code
- codes
- spreading
- quadruple
- family
- Prior art date
Links
- 238000004891 communication Methods 0.000 title claims 7
- 230000000051 modifying Effects 0.000 claims 8
- 238000010295 mobile communication Methods 0.000 claims 7
- 230000000875 corresponding Effects 0.000 claims 6
- 239000000969 carrier Substances 0.000 claims 3
- 239000000463 material Substances 0.000 claims 3
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 101710039595 DICER1 Proteins 0.000 claims 1
- 239000004606 Fillers/Extenders Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005755 formation reaction Methods 0.000 claims 1
- 229920000306 polymethylpentene Polymers 0.000 claims 1
- 230000011664 signaling Effects 0.000 claims 1
- 238000001228 spectrum Methods 0.000 claims 1
Claims (1)
5. Радиостанция по п. 1, отличающаяся тем, что первая компонентная четверичная последовательность определяется выражением:
ar(n)= h1a(n-l)-h2a(n-2)-. . . -hma(n-m) (mod 4), n≥m,
где h - первый полином, вторая компонентная четверичная последовательность определяется выражением:
bs(n)= g1b(n-l)+g2b(n-2)+. . . +b(n-e) (mod 2), n≥e,
где g - второй полином, третья компонентная четверичная последовательность определяется выражением:
ct(n)= f1ct(n-l)+f2ct(n-2)+. . . +ct (n-e) (mod 2), n≥e,
где f - третий полином.4. The radio station according to claim 3, characterized in that the size of the family of quadruple spreading codes is (L + 2) (L + 1) 2 , and the maximum absolute value of the cross-correlation for the family of quadruple spreading codes is
5. The radio station according to claim 1, characterized in that the first component quadruple sequence is determined by the expression:
a r (n) = h 1 a (nl) -h 2 a (n-2) -. . . -h m a (nm) (mod 4), n≥m,
where h is the first polynomial, the second component quadruple sequence is determined by the expression:
b s (n) = g 1 b (nl) + g 2 b (n-2) +. . . + b (ne) (mod 2), n≥e,
where g is the second polynomial, the third component quaternary sequence is determined by the expression:
c t (n) = f 1 c t (nl) + f 2 c t (n-2) +. . . + c t (ne) (mod 2), n≥e,
where f is the third polynomial.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/097,916 US6393047B1 (en) | 1998-06-16 | 1998-06-16 | Quadriphase spreading codes in code division multiple access communications |
US09/097,916 | 1998-06-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2001101534A true RU2001101534A (en) | 2003-01-27 |
RU2226035C2 RU2226035C2 (en) | 2004-03-20 |
Family
ID=22265751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2001101534/09A RU2226035C2 (en) | 1998-06-16 | 1999-06-11 | Four-phase expansion codes in code-division multiple access communication system |
Country Status (15)
Country | Link |
---|---|
US (1) | US6393047B1 (en) |
EP (1) | EP1088416B1 (en) |
JP (1) | JP4365030B2 (en) |
KR (1) | KR100689562B1 (en) |
CN (1) | CN100352186C (en) |
AR (1) | AR020596A1 (en) |
AU (1) | AU756686B2 (en) |
BR (1) | BRPI9911341B1 (en) |
CA (1) | CA2335018C (en) |
DE (1) | DE69933029T2 (en) |
MY (1) | MY126483A (en) |
RU (1) | RU2226035C2 (en) |
TW (1) | TW448644B (en) |
WO (1) | WO1999066645A2 (en) |
ZA (1) | ZA200007304B (en) |
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1998
- 1998-06-16 US US09/097,916 patent/US6393047B1/en not_active Expired - Lifetime
-
1999
- 1999-06-11 JP JP2000555369A patent/JP4365030B2/en not_active Expired - Lifetime
- 1999-06-11 CA CA002335018A patent/CA2335018C/en not_active Expired - Lifetime
- 1999-06-11 KR KR1020007014253A patent/KR100689562B1/en not_active IP Right Cessation
- 1999-06-11 AU AU48127/99A patent/AU756686B2/en not_active Expired
- 1999-06-11 EP EP99931690A patent/EP1088416B1/en not_active Expired - Lifetime
- 1999-06-11 CN CNB998097195A patent/CN100352186C/en not_active Expired - Lifetime
- 1999-06-11 WO PCT/SE1999/001040 patent/WO1999066645A2/en active IP Right Grant
- 1999-06-11 RU RU2001101534/09A patent/RU2226035C2/en active
- 1999-06-11 BR BRPI9911341A patent/BRPI9911341B1/en active IP Right Grant
- 1999-06-11 DE DE69933029T patent/DE69933029T2/en not_active Expired - Lifetime
- 1999-06-14 MY MYPI99002422A patent/MY126483A/en unknown
- 1999-06-16 AR ARP990102894A patent/AR020596A1/en active IP Right Grant
- 1999-06-21 TW TW088110329A patent/TW448644B/en not_active IP Right Cessation
-
2000
- 2000-12-08 ZA ZA200007304A patent/ZA200007304B/en unknown
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