IL104910A - A device and method for reducing the conflict of messages between mobile stations that are simultaneously accessible to a base station in the SDMA communication system. cellular - Google Patents
A device and method for reducing the conflict of messages between mobile stations that are simultaneously accessible to a base station in the SDMA communication system. cellularInfo
- Publication number
- IL104910A IL104910A IL10491093A IL10491093A IL104910A IL 104910 A IL104910 A IL 104910A IL 10491093 A IL10491093 A IL 10491093A IL 10491093 A IL10491093 A IL 10491093A IL 104910 A IL104910 A IL 104910A
- Authority
- IL
- Israel
- Prior art keywords
- message
- providing
- random number
- signal
- additional
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000010267 cellular communication Effects 0.000 title description 3
- 230000005540 biological transmission Effects 0.000 claims abstract description 49
- 238000001228 spectrum Methods 0.000 claims abstract description 16
- 239000000523 sample Substances 0.000 claims description 144
- 230000003111 delayed effect Effects 0.000 claims description 73
- 238000004891 communication Methods 0.000 claims description 26
- 230000007480 spreading Effects 0.000 claims description 23
- 230000002688 persistence Effects 0.000 claims description 22
- 230000004044 response Effects 0.000 claims description 20
- 230000002401 inhibitory effect Effects 0.000 claims 9
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 21
- 230000001413 cellular effect Effects 0.000 description 12
- 230000001934 delay Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000977 initiatory effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VJYFKVYYMZPMAB-UHFFFAOYSA-N ethoprophos Chemical compound CCCSP(=O)(OCC)SCCC VJYFKVYYMZPMAB-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
- H04W74/0841—Random access procedures, e.g. with 4-step access with collision treatment
-
- 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
- H04B1/7073—Synchronisation aspects
- H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0022—PN, e.g. Kronecker
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1887—Scheduling and prioritising arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/48—TPC being performed in particular situations during retransmission after error or non-acknowledgment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/7097—Direct sequence modulation interference
- H04B2201/709709—Methods of preventing interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/188—Time-out mechanisms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Small-Scale Networks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US84715292A | 1992-03-05 | 1992-03-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
IL104910A0 IL104910A0 (en) | 1993-08-18 |
IL104910A true IL104910A (en) | 1996-07-23 |
Family
ID=25299903
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL10491093A IL104910A (en) | 1992-03-05 | 1993-03-02 | A device and method for reducing the conflict of messages between mobile stations that are simultaneously accessible to a base station in the SDMA communication system. cellular |
Country Status (23)
Country | Link |
---|---|
US (6) | US5544196A (bg) |
EP (7) | EP2317718A1 (bg) |
JP (1) | JP3152353B2 (bg) |
KR (1) | KR100202745B1 (bg) |
CN (1) | CN1072863C (bg) |
AT (5) | ATE386395T1 (bg) |
AU (1) | AU677578B2 (bg) |
BG (1) | BG62022B1 (bg) |
BR (1) | BR9306032A (bg) |
CA (1) | CA2130667C (bg) |
DE (4) | DE69334205T2 (bg) |
DK (3) | DK2058994T3 (bg) |
ES (5) | ES2373626T3 (bg) |
FI (1) | FI114537B (bg) |
HK (4) | HK1015212A1 (bg) |
HU (1) | HU214413B (bg) |
IL (1) | IL104910A (bg) |
MX (1) | MX9301230A (bg) |
PT (2) | PT2058994E (bg) |
RU (1) | RU2171013C2 (bg) |
SK (1) | SK282136B6 (bg) |
WO (1) | WO1993018601A1 (bg) |
ZA (1) | ZA931077B (bg) |
Families Citing this family (173)
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- 1994-09-05 KR KR1019940703125A patent/KR100202745B1/ko not_active IP Right Cessation
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1996
- 1996-01-18 US US08/588,149 patent/US6615050B1/en not_active Expired - Fee Related
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1998
- 1998-12-28 HK HK98116166A patent/HK1015212A1/xx not_active IP Right Cessation
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2003
- 2003-06-10 US US10/457,962 patent/US6985728B2/en not_active Expired - Fee Related
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2006
- 2006-01-09 US US11/328,786 patent/US20060121897A1/en not_active Abandoned
- 2006-03-31 HK HK07107941A patent/HK1109258A1/xx not_active IP Right Cessation
- 2006-03-31 HK HK07107943A patent/HK1109259A1/xx not_active IP Right Cessation
- 2006-03-31 HK HK06104023A patent/HK1084794A1/xx not_active IP Right Cessation
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2007
- 2007-01-11 US US11/622,403 patent/US7426391B2/en not_active Expired - Fee Related
- 2007-01-11 US US11/622,383 patent/US7734260B2/en not_active Expired - Fee Related
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