Patent EP0652680A2 successfully refreshed from Google Patents.
EP0652680A2
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EP
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Method for communicating in a wireless communication system
Assignee: Telefonaktiebolaget LM Ericsson AB
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Filing: 1994-11-01
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Granted: —
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Expires: 2014-11-01
Abstract
Abstract A communications system in which information is transmitted in a plurality of time slots grouped into a plurality of superframes which are, in turn, grouped into a plurality of paging frames. A remote station receives paging messages once in each paging frame.
Inventors
- 👤 Alex K. Raith
- 👤 Bengt Persson
- 👤 Anthony J. Sammarco
- 👤 Anders Carl Eric Hoff
- 👤 John Walter Diachina
- 👤 Joseph Eric Turcotte
- 👤 Hans Clas Andersson
- 👤 Francois Sawyer
- 👤 Patrice Marsolais
- 👤 Roland Stig Bodin
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 17:30
CPC Classifications
H; H04; H04W; H04W48/00; H04W48/20; H04W68/00; H04W68/02; H04B; H04B7/00; H04B7/24; H04B7/26; H04B7/2643; H04B7/2656; H04L; H04L1/00; H04L1/004; H04L1/0045; H04L1/0046; H04L1/0056; H04L1/0057; H04L1/0059; H04L1/0061; H04L1/0071; H04L1/0072; H04L1/0078; H04L1/0083; H04L1/08; H04L1/12; H04L1/16; H04L1/1607; H04L1/1614; H04L1/1685; H04L1/18; H04L1/1803; H04L1/1809; H04L1/1829; H04L1/1848; H04L1/1867; H04L1/188; H04L1/20; H04L9/00; H04L9/40; H04W48/16; H04W68/025; H04W72/00; H04W72/04; H04W72/044; H04W72/0446; H04L1/0001; H04L1/0002; H04L2001/0092; H04L2001/0093; H04W48/08; H04W48/10; H04W52/00; H04W52/02; H04W52/0209; H04W52/0212; H04W52/0225; H04W52/0245; H04W88/00; H04W88/02; Y; Y02; Y02D; Y02D30/00; Y02D30/70
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
84 words
A method for communicating information to a remote station comprising the steps of: grouping the information into a plurality of time slots; grouping said time slots into a plurality of superframes; grouping said superframes into a plurality of paging frames; assigning said remote station to one of said time slots in each of said paging frames, said assigned slot being used for paging said remote station; and sending to said remote station in said assigned slot an indication of a change in paging frame.
Claim 2
Independent Claim
100 words
A method for registration of a remote station with a communications system comprising the steps of: sending a registration number from said system to said remote station; comparing in said remote station the received registration number with a list of registration numbers stored in memory; sending a registration message from said remote station to said system if said registration number is found in said list; sending a list of registration numbers from said system to said remote station; and replacing the list of registration numbers stored in said remote station with the list of registration numbers received from said system.
Claim 3
Independent Claim
59 words
A method for acknowledging registration of remote stations, each of which is assigned an identity number, with a communications system comprising the steps of: receiving a plurality of registration messages sent from said remote stations; and transmitting to at least two of said remote stations an acknowledgement message containing the identity numbers of said at least two remote stations.
Claim 4
Independent Claim
61 words
A method for communicating information to a remote station comprising the steps of: grouping the information into a plurality of repeating time slots; grouping said time slots into a plurality of superframes; assigning said time slots in said superframes to a plurality of logical channels; and varying the repetition rate of messages transmitted in at least one of said logical channels.
Claim 5
Independent Claim
74 words
A method for identifying to a remote station the services available in one of a plurality of communication systems comprising the steps of: assigning an operator code to each of said systems; storing in said remote station a list of the services associated with each of said operator codes; sending from said remote station a request for an operator code; and sending the operator code from one of said systems to said remote station.
Claim 6
Independent Claim
56 words
A method for communicating information to a remote station comprising the steps of: grouping the information into a plurality of time slots; grouping said time slots into a plurality of superframes; and sending in each slot in each of said superframes superframe phase information to enable said remote station to identify the start of each superframe.
Claim 7
Independent Claim
101 words
A method for supervising the transmission of messages from a communications system to a remote station comprising the steps of: segmenting each message into layer two (L2) frames; sending said frames over a first channel from said system to said remote station; sending over a second channel from said system to said remote station an indication of the identity of said remote station; and sending over a third channel from said remote station to said system, if said identity indication matches an identity indication stored in said remote station, an indication of whether each of said frames has been received correctly.
Claim 8
Independent Claim
77 words
A method of registration of a remote station with a communications system comprising the steps of: sending from said system to said station a message containing a list of communication channels in neighboring cells, an indication of whether registration is required in each of the corresponding cells and an indication of signal strength hystersis for each cell; and using said signal strength hystersis for selecting one of said channels if registration is required in the corresponding cell.
Claim 9
Independent Claim
85 words
A method for registering mobile stations in a cellular communication system comprising the steps of: broadcasting a different registration number on each of a plurality of digital control channels in said cellular communication system; comparing one of said different registration numbers which is broadcast on one of said digital control channels used by a mobile station with a list of registration numbers stored in said mobile station; and registering said mobile station with said communication system based upon a result of said step of comparing.
Claim 10
Dependent Claim
41 words
The method of claim 9, wherein said step of registering further comprises the step of: registering said mobile station if said step of comparing indicates no match between said one of said different registration numbers and said list of registration numbers.
Claim 11
Dependent Claim
54 words
A mobile station comprising: a receiver for receiving supervisory messages via a control channel, said supervisory messages including a registration number associated with said control channel; a memory for storing a list of registration numbers; and a processor for comparing said registration number associated with said control channel and said list of registration numbers.
Claim 12
Dependent Claim
25 words
The mobile station of claim 11, further comprising: a transmitter for transmitting a registration message based upon a result of said comparison in said processor.
Claim 13
Independent Claim
36 words
A method for identifying a base station type in a radiocommunication system comprising the steps of: broadcasting, from a base station, a base station manufacturer code; and receiving, at a mobile station, said base station code.
Claim 14
Independent Claim
42 words
A method for identifying a base station type in a radiocommunication system comprising the steps of: requesting, from a mobile station, a base station identity code; and transmitting, in response to said request, said base station identity code from a base station.
Claim 15
Independent Claim
47 words
A method for identifying a system operator in a radiocommunication system comprising the steps of: assigning a system operating code which identifies each different system operator; broadcasting, from a base station, a system operator code associated therewith; and receiving, at a mobile station, said system operator code.
Claim 16
Independent Claim
39 words
A method for identifying a system operator in a radiocommunication system comprising the steps of: requesting, from a mobile station, a system operator code; and transmitting, in response to said request, said system operator code from a base station.
Claim 17
Dependent Claim
33 words
A base station comprising: means for receiving a request over an air interface for said base station's identity code; and means for transmitting, in response to said request, said base station's identity code.
Claim 18
Independent Claim
44 words
A method for identifying private subsystems in a radiocommunication system comprising the steps of: assigning an identification code for each private subsystem in said radiocommunication system; and transmitting, from a base station, said identification codes for each private subsystem served by said base station.
Claim 19
Independent Claim
98 words
A method for verifying access privilege in a radiocommunication system comprising the steps of: assigning an identification code for each private subsystem in said radiocommunication system; assigning a system operator code which identifies an operator of said system; assigning a mobile country code which identifies a country associated with said system; transmitting said identification code, system operator code and said mobile country code from a base station in said system; and using, in a remote station receiving said transmission, said identification code, system operator code and said mobile country code to verify access rights to said base station.
Claim 20
Independent Claim
69 words
A method for selecting a control channel in a radiocommunication network comprising the steps of: generating a ranked list of candidate cells for potential selection by a remote station; evaluating said ranked list until a candidate cell is identified which offers a desired service; selecting a control channel associated with said identified candidate cell unless a quality criteria of said control channel is less than a first predetermined threshold.
Claim 21
Dependent Claim
38 words
The method of claim 20, wherein said first predetermined threshold, for candidate cells offering said desired service, is lower than a second predetermined threshold, for candidate cells which do not offer said desired service, by some offset value.
Claim 22
Independent Claim
54 words
A method for allowing directed retry in a radiocommunication system comprising the steps of: transmitting a neighbor list identifying candidate control channels for reselection from a base station; and including, for each entry in said neighbor list, an attribute indicating if a directed retry can be performed in a cell associated with that entry.
Claim 23
Dependent Claim
46 words
A base station comprising: a transmitter for transmitting a neighbor list identifying candidate control channels for reselection; and a processor for including, for each entry in said neighbor list, an attribute indicating if a directed retry can be performed in a cell associated with that entry.
Claim 24
Dependent Claim
47 words
A mobile station comprising: a receiver for receiving a neighbor list identifying candidate control channels for reselection; and a processor for permitting directed retry for cells associated with said candidate control channels based upon an attribute associated with each candidate control channel found in said neighbor list.
Claim 25
Dependent Claim
34 words
A base station comprising: a processor which identifies private subsystems served by said base station; and a transmitter for transmitting identification codes for at least one of said private subsystems identified by said processor.
Claim 26
Independent Claim
74 words
A method for informing a remote station in a radiocommunication about candidate cells for reselection comprising the steps of: transmitting, from a base station, a neighboring cell list identifying at least one control channel; including an attribute associated for each of said at least one control channels indicating whether an associated cell is synchronized with a cell that is currently serving said remote station; and receiving said neighboring cell list at said remote station.
Claim 27
Dependent Claim
42 words
A base station comprising: a transmitter for transmitting a list of control channels; and a processor which includes in said list an attribute associated with said control channels that indicates whether said control channels are synchronized relative to a serving control channel.
Claim 28
Dependent Claim
51 words
A mobile station comprising: a receiver for receiving a list of including at least one control channel over an air interface; and a processor which determines if said at least one control channel is synchronized with a control channel serving said mobile station based upon an attribute found in said list.
Claim 29
Dependent Claim
27 words
The method of claim 28, wherein said attribute indicates if timeslots of said at least one control channel are synchronized with timeslots of said serving control channel.
Claim 30
Dependent Claim
27 words
The method of claim 28, wherein said attribute indicates if superframes of said at least one control channel are synchronized with superframes of said serving control channel.
References Cited (Backward Citations)
No citation records indexed.
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