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. |
申请公布号 |
WO02058255(A2) |
申请公布日期 |
2002.07.25 |
申请号 |
WO2001US49154 |
申请日期 |
2001.12.19 |
申请人 |
ERICSSON INC.;SOUROUR, ESSAM;ROOZBEH, ATARIUS;KHAYRALLAH, ALI |
发明人 |
SOUROUR, ESSAM;ROOZBEH, ATARIUS;KHAYRALLAH, ALI |
分类号 |
H04B7/26;H04J11/00;H04L1/20 |
主分类号 |
H04B7/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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