US Patent No: 6,091,954

Number of patents in Portfolio can not be more than 2000

Channel assignment in enhanced fixed-plan mobile communications systems

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Importance

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Abstract

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In a multi-reuse level cellular communications system, a channel is assigned for use by a mobile unit by first determining whether the mobile unit is a non-enhanced mobile unit or an enhanced mobile unit. Then a determination is made as to the type of communication service being requested. A minimum link quality required by the mobile unit can then be established based on factors that include the mobile unit type and the type of communication service being requested. A base station that has the necessary receiver detection capabilities and transceiver processing capabilities is then selected, and a channel, corresponding to a highest reuse plan, available to the base station is assigned to the call.

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First Claim

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Patent Owner(s)

  • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dent, Paul W Pittsboro, NC 292 13607
Haartsen, Jacobus C Staffanstorp, SE 42 1796

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (18)
* 4,989,230 Cellular cordless telephone 374 1988
* 5,014,342 Communication system employing a nine channel pattern allocation to eliminate interference 18 1989
* 5,257,398 Hopped-carrier dynamic frequency reuse 60 1990
* 5,247,699 Cellular frequency reuse cell plan 86 1990
* 5,038,399 Method for assigning channel reuse levels in a multi-level cellular system 165 1990
* 5,212,684 Protocol and transceiver for cordless/cellular telephone service 180 1990
* 5,251,249 Method of upgrading a cellular network 30 1990
* 5,127,042 Cellular cordless telephone 254 1991
* 5,428,815 Communication system with geographic reuse dynamically sensitive to communication unit type 30 1991
* 5,280,630 Method and apparatus for dynamic channel allocation 171 1992
* 5,313,653 Method for a communication unit to maintain a data base of system services 43 1992
* 5,471,645 Method of allocating channels in multi-rate channel environment 36 1992
* 5,483,666 Method for allocating channels in a microcellular system 67 1992
* 5,392,458 Trunked communication system with variable communication capability support for roamers 44 1993
* 5,412,375 Method of selecting an air interface for communication in a communication system 83 1993
* 5,504,939 Communication channel selection in cellular radio communication systems 57 1993
* 5,386,589 Transmission power control system capable of keeping signal quality constant in mobile communication network 115 1993
* 5,561,843 Mobile radio communications system 3 1995
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (39)
* 6,788,952 Cell selection and reselection in a multiple modulation cellular radio system 11 1998
* 6,650,872 Method and device for estimating a carrier-to-interference ratio in a radio communication system 31 1999
* 6,466,794 Channel allocation in a mobile communications system 6 1999
* 6,970,709 Method for dynamic allocation of wireless base station DSP resources 9 1999
* 6,975,865 Method for channel configuration of cellular radio network, and cellular radio network 7 2000
6,836,473 Method for downlink attenuation based on mobile protocol version 5 2000
* 7,577,188 Physical layer and MAC enhancements using complex sequences on a wireless channel 5 2001
* 2003/0117,953 Method, system, and apparatus for pre-allocation of call channels 24 2001
* 8,000,970 Distributed voice browser 0 2002
7,460,865 Self-configuring communication networks for use with process control systems 17 2003
* 2004/0259,533 Self-configuring communication networks for use with process control systems 69 2003
7,053,780 Methods, systems, and devices for location specific alerts 60 2003
7,630,391 CQICH allocation request header for communicating feedback information 24 2006
* 2006/0250,963 CQICH allocation request header for communicating feedback information 36 2006
8,160,574 Wireless architecture utilizing geo-referencing 5 2006
7,873,319 Methods and apparatus for channel assignment 7 2008
* 2008/0274,748 Methods and Apparatus for Channel Assignment 17 2008
7,933,594 Self-configuring communication networks for use with process control systems 5 2008
* 2008/0250,162 SELF-CONFIGURING COMMUNICATION NETWORKS FOR USE WITH PROCESS CONTROL SYSTEMS 8 2008
8,144,622 Wireless architecture and support for process control systems 6 2008
8,050,286 CQICH allocation request header for communicating feedback information 2 2009
* 9,026,109 Radio base station and radio communication method 0 2009
* 2011/0136,499 RADIO BASE STATION AND RADIO COMMUNICATION METHOD 1 2009
8,311,536 Peer-to-peer redirection of a roaming wireless communication device to a nearby home base station 3 2009
8,391,859 Redirection of a roaming wireless communication device and nearby home base station to achieve home carrier service 3 2009
8,170,881 Distributed voice browser 0 2011
* 8,767,576 Accessing an application based on a level of service quality 0 2011
* 2013/0044,614 ACCESSING AN APPLICATION BASED ON A LEVEL OF SERVICE QUALITY 6 2011
8,559,454 CQICH allocation request header for communicating feedback information 0 2011
* 8,837,400 Method of transmitting small amount of uplink data and method of receiving small amount of uplink data 0 2011
* 2012/0163,296 METHOD OF TRANSMITTING SMALL AMOUNT OF UPLINK DATA AND METHOD OF RECEIVING SMALL AMOUNT OF UPLINK DATA 4 2011
9,264,973 Wireless architecture and support for process control systems 0 2012
* 9,467,999 Base station configuration using massive multiple input multiple output (M-MIMO) 0 2014
* 2014/0307,818 Base Station Configuration Using Massive Multiple Input Multiple Output (M-MIMO) 1 2014
9,503,163 Methods and apparatus for overlapping MIMO physical sectors 0 2014
9,344,873 Limiting data service for a home terminal roaming near home coverage 0 2015
9,525,468 Methods and apparatus for overlapping MIMO physical sectors 0 2015
9,496,930 Methods and apparatus for overlapping MIMO physical sectors 0 2015
9,496,931 Methods and apparatus for overlapping MIMO physical sectors 0 2015
* Cited By Examiner