Title:
無線端末スクランブル識別子を用いることに関連する方法および装置
Document Type and Number:
Japanese Patent JP2009533981
Kind Code:
A
Abstract:
User specific modulation-symbol scrambling is implemented for various uplink segments, e.g., uplink traffic acknowledgement channel (ULTACH), uplink state request channel (ULSRCH), and uplink dedicated control channel (ULDCCH) segments. A wireless terminal is assigned a wireless terminal scrambling identifier. A set of ordered input modulation symbols are determined for an uplink dedicated segment to which user specific scrambling is to be applied. One bit of the assigned wireless terminal scrambling identifier is associated with each of the ordered input modulation symbols of a segment in accordance with a predetermined mapping. For each input modulation symbol a scrambling operation, e.g., a phase rotation of the input modulation symbol, is performed as a function of the associated user specific scrambling identifier bit to obtain a corresponding output modulation symbol. A value of (0,1) for a scrambling ID bit is associated with a (first, second) amount of phase rotation, e.g., (0, 180) degrees, respectively.
Inventors:
Anigstein, Pablo
Handicap, praise
Lee, Juni
Laroya, Rajib
Uppara, Satya Deb Benkata
Handicap, praise
Lee, Juni
Laroya, Rajib
Uppara, Satya Deb Benkata
Application Number:
JP2009505642A
Publication Date:
September 17, 2009
Filing Date:
April 13, 2007
Export Citation:
Assignee:
QUALCOMM INCORPORATED
International Classes:
H04K1/00; H04W72/04; H04W74/00
Domestic Patent References:
| JP2005260791A | 2005-09-22 | |||
| JPH10507322A | 1998-07-14 | |||
| JPH08316951A | 1996-11-29 | |||
| JPH06511371A | 1994-12-15 | |||
| JPH08228180A | 1996-09-03 | |||
| JP2000092139A | 2000-03-31 | |||
| JP2005260791A | 2005-09-22 | |||
| JPH10507322A | 1998-07-14 | |||
| JPH08316951A | 1996-11-29 | |||
| JPH06511371A | 1994-12-15 |
Foreign References:
| EP0565506A2 | 1993-10-13 | |||
| WO2004075023A2 | 2004-09-02 | |||
| WO2005022758A2 | 2005-03-10 | |||
| EP0565506A2 | 1993-10-13 |
Other References:
JPN6011042282; Ｐｉｌ Ｋｗａｎ Ｋｉｍ ｅｔ．ａｌ．: 'Ａｎ ＯＦＤＭ-ＣＤＭＡ Ｓｃｈｅｍｅ Ｕｓｉｎｇ Ｏｒｔｈｏｇｏｎａｌ Ｃｏｄｅ Ｍｕｌｔｉｐｌｅｘｉｎｇ ａｎｄ Ｉｔｓ Ｐａｒａｌｌｅｌ Ｉｎｔｅｒｆｅｒｅｎｃｅ Ｃａｎｃｅｌｌａｔｉｏｎ Ｒｅ' Ｓｐｒｅａｄ Ｓｐｅｃｔｒｕｍ Ｔｅｃｈｎｉｑｕｅｓ ａｎｄ Ａｐｐｌｉｃａｔｉｏｎｓ， ２００２ ＩＥＥＥ Ｓｅｖｅｎｔｈ Ｉｎｔｅｒｎａｔｉｏｎａｌ Ｓｙｍｐｏｓｉｕｍ ｏｎ , 2002, ｐ．３６８-３７２
Attorney, Agent or Firm:
Takehiko Suzue
Kurata Masatoshi
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Naoki Kono
Katsu Sunagawa
Tetsuya Kazama
Katsumura Hiro
Shoji Kawai
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Takenori Masanori
Takuzo Ichihara
Yamashita Gen
Kurata Masatoshi
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Naoki Kono
Katsu Sunagawa
Tetsuya Kazama
Katsumura Hiro
Shoji Kawai
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Takenori Masanori
Takuzo Ichihara
Yamashita Gen