Title:
【発明の名称】可変速度伝送方法および可変速度伝送装置
Document Type and Number:
Japanese Patent JP3365513
Kind Code:
B2
Abstract:
Described herein is a variable rate transmission apparatus for spreading-modulation on data signals by using spreading code sequences and transmission of the so-processed signals therefrom. The variable rate transmission apparatus is provided with means (4, 5 and 6) for spreading-modulating the data signals in a binary sequence using bi-orthogonal signals and transmission of the so-processed signals when a transmission rate of each data signal is greater than or equal to a predetermined transmission rate (128 kbps).
Inventors:
Hideshi Murai
Hisao Tajika
Hisao Tajika
Application Number:
JP50411299A
Publication Date:
January 14, 2003
Filing Date:
September 12, 1997
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
H04J11/00; (IPC1-7): H04B1/707
Domestic Patent References:
| JP8251138A | ||||
| JP6252879A | ||||
| JP6204979A | ||||
| JP8509591A |
Other References:
ＩＥＩＣＥ ＴＲＡＮＳ．ＦＵＮＤＡＭＥＮＴＡＬＳ，ＶＯＬ．Ｅ７９−Ａ，ＮＯ．１２，（１９９６−１２
信学技報、ＳＳＴ９６−１１１（１９９７−０３）、ｐ．７９−８４
信学技報、ＳＳＴ９６−１１１（１９９７−０３）、ｐ．７９−８４
Attorney, Agent or Firm:
Hiroaki Tazawa (1 person outside)