发明名称 |
CDMA system using quasi-orthogonal codes |
摘要 |
A CDMA communication system uses a set of quasi-orthogonal codes to supplement the standard set of Walsh codes used in conventional systems. Users are assigned a code selected from the set of Walsh codes, if available. If the number of users exceeds the number of available Walsh codes, selected users are assigned to quasi-orthogonal codes. The users assigned quasi-orthogonal codes are chosen based on user mobility.
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申请公布号 |
US2002089950(A1) |
申请公布日期 |
2002.07.11 |
申请号 |
US20010756503 |
申请日期 |
2001.01.08 |
申请人 |
SOUROUR ESSAM;ATARIUS ROOZBEH;KHAYRALLAH ALI |
发明人 |
SOUROUR ESSAM;ATARIUS ROOZBEH;KHAYRALLAH ALI |
分类号 |
H04B7/26;H04J11/00;H04L1/20;(IPC1-7):H04J3/14;H04L12/26;H04L1/00;H04J1/16;H04B7/216 |
主分类号 |
H04B7/26 |
代理机构 |
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