US Patent No: 7,701,961
Number of patents in Portfolio can not be more than 2000
Method and apparatus for common packet channel access in mobile satellite communication system
Stats
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Apr 20, 2010
Issued date -
Oct 21, 2002
filing date -
10/493,276
serial no -
In Force
status
Importance
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Abstract
Provided is a method and apparatus for common packet channel access to transmit data packet from a mobile terminal to a satellite access network in a mobile satellite communication system. The method and apparatus of this invention reduces transmission delay time, enhances the probability of successful access, and controls the currently used common packet channel by using a common control channel broadcast by the satellite access network. The method includes the steps of: receiving an access preamble including an access signature code and a collision-detection preamble including a collision-detection signature code, which are transmitted together from a plurality of mobile terminals, and transmitting an acknowledgement to the access preamble and collision-detection preamble to mobile terminals through a preamble acknowledgement channel.
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First Claim
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 6,643,318 Hybrid DSMA/CDMA (digital sense multiple access/code division multiple access) method with collision resolution for packet communications | 47 | 2000 | |
| 6,480,525 Second level collision resolution for packet data communications | 52 | 2000 | |
| 6,757,319 Closed loop power control for common downlink transport channels | 40 | 2000 | |
| 7,046,717 Pre-data power control common packet channel | 31 | 2003 | |
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| 6,831,910 Power control device and method for controlling a reverse link common channel in a CDMA communication system | 47 | 1999 | |
| 6,859,445 Channel assignment apparatus and method for a common packet channel in a WCDMA mobile communication system | 56 | 2000 | |
| 7,233,577 Method for measuring confusion rate of a common packet channel in a CDMA communication system | 5 | 2001 | |
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| 6,597,675 Random access in a mobile telecommunications system | 54 | 1998 | |
| 6,442,153 Random access in a mobile telecommunications system | 16 | 1998 | |
| 6,665,282 Method and apparatus for configuring a RAKE receiver | 3 | 1998 | |
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| 5,822,359 Coherent random access channel in a spread-spectrum communication system and method | 116 | 1994 | |
| 6,700,867 Method and system for reduced memory hybrid automatic repeat request | 59 | 2001 | |
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| 4,888,763 Method and apparatus for detecting the collision of data packets utilizing a preassigned transceiver code in the preamble | 11 | 1988 | |
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| 5,828,662 Medium access control scheme for data transmission on code division multiple access (CDMA) wireless systems | 104 | 1996 | |
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| 7,079,507 Method and apparatus for common packet channel assignment | 12 | 2001 | |
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| 2008/0062,951 Collision detection | 20 | 2007 | |
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| 5,734,833 Shared communications channel with enhanced reservation and collision resolution protocols allows any subset of stations to transmit data after collision occured in contention slot | 56 | 1996 | |
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| 5,963,557 High capacity reservation multiple access network with multiple shared unidirectional paths | 199 | 1997 | |
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| 7,058,038 Method for allocating common packet channels | 7 | 2001 | |
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| 6,317,585 Mobile satellite communication system with quick retransmission determination function | 5 | 1999 | |
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| 7,113,496 Apparatus and method for assigning a common packet channel in a CDMA communication system | 28 | 2001 | |
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| 5,673,259 Random access communications channel for data services | 231 | 1995 | |
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| 2003/0174,672 Network with common transmission channels | 3 | 2002 | |
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| 2006/0203,753 Common packet channel assignment method and apparatus | 4 | 2006 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Oct 20, 2013 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Oct 20, 2017 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 20, 2021 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |