GB2377864B - DS-CDMA multi-user interference cenceller and DS-CDMA communication system - Google Patents
DS-CDMA multi-user interference cenceller and DS-CDMA communication systemInfo
- Publication number
- GB2377864B GB2377864B GB0225026A GB0225026A GB2377864B GB 2377864 B GB2377864 B GB 2377864B GB 0225026 A GB0225026 A GB 0225026A GB 0225026 A GB0225026 A GB 0225026A GB 2377864 B GB2377864 B GB 2377864B
- Authority
- GB
- United Kingdom
- Prior art keywords
- cdma
- cenceller
- communication system
- user interference
- cdma communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7107—Subtractive interference cancellation
- H04B1/71075—Parallel interference cancellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/709—Correlator structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
- H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9507698A JP3024750B2 (en) | 1998-04-07 | 1998-04-07 | DS-CDMA multi-user interference canceller and DS-CDMA communication system |
GB9907921A GB2337419B (en) | 1998-04-07 | 1999-04-07 | DS-CDMA multi-user interference canceller and DS-CDMA communication system |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0225026D0 GB0225026D0 (en) | 2002-12-04 |
GB2377864A GB2377864A (en) | 2003-01-22 |
GB2377864B true GB2377864B (en) | 2003-03-12 |
Family
ID=26315391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0225026A Expired - Fee Related GB2377864B (en) | 1998-04-07 | 1999-04-07 | DS-CDMA multi-user interference cenceller and DS-CDMA communication system |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2377864B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2418104B (en) * | 2004-09-09 | 2007-03-28 | Toshiba Res Europ Ltd | An uplink interference cancelling CDMA base station uses the transmission timing of a new mobile station compared with that of other mobile stations |
-
1999
- 1999-04-07 GB GB0225026A patent/GB2377864B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2377864A (en) | 2003-01-22 |
GB0225026D0 (en) | 2002-12-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20130407 |