CN1303548A - System, device and method for registration in communication network - Google Patents
System, device and method for registration in communication network Download PDFInfo
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- CN1303548A CN1303548A CN 99806790 CN99806790A CN1303548A CN 1303548 A CN1303548 A CN 1303548A CN 99806790 CN99806790 CN 99806790 CN 99806790 A CN99806790 A CN 99806790A CN 1303548 A CN1303548 A CN 1303548A
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- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2801—Broadband local area networks
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Abstract
A system, device, and method for registration in a communication network informs a secondary station of an acceptable alternate channel when a selected channel is unacceptable. Specifically, upon receiving an initial registration request message, a primary station determines an alternate shared channel that is acceptable, and rejects the registration request by sending a registration response message indicating the alternate shared channel. Upon receiving the registration response message indicating the alternate shared channel, the secondary station switches immediately to the alternate shared channel and completes the registration on the alternate shared channel by transmitting another registration request message that is accepted by the primary station in due course.
Description
The present invention relates to communication system, relate in particular to poll device in communication network.
In the information age of today,, ever-increasing communication user increases for providing the needs of the high-speed communicating network of access to the Internet and other online service.For this reason, the development of communication network and technology will be satisfied requirement at present and in the future.Particularly, new network is configured to reach considerable terminal use, and the agreement of being developed can effectively utilize the additional bandwidth of these networks.
It is a kind of that to be widely adopted and will in a foreseeable future still to keep the technology of important function be the shared medium communication network.The shared medium communication network be single communication channel (shared channel) by the shared network of some users, like this, may the phase mutual interference from the non-coordination transmission of different user.The shared medium communication network generally comprises several secondary stations that transmits on shared channel, and one is positioned at and is used for receiving main website transmission, that be positioned at the public receiving terminal of shared channel of secondary station.Because communication network generally has a limited number of communication channel, the shared medium communication network allows many users to visit this network on a communication channel, allows remaining communication channel to be used for other purpose thus.
When secondary station was connected to the shared medium communication network or attempts to connect in the shared medium communication network, main website must discern and register this secondary station.Registration generally is that this secondary station selects shared channel and utilizes selected shared channel that register request message is sent to main website from a plurality of channels, and main website receives this registration request subsequently.This enrollment process can fast as far as possible finishing be desired.
Though prior information cannot be known by secondary station, selected shared channel might be acceptable or unacceptable to main website.For example, if selected shared channel transships or the desired bandwidth of this secondary station and other operation requirements can not be provided, then this shared channel is unacceptable.Therefore, in case received this register request message on selected shared channel, main website just determines that selected shared channel is acceptable or unacceptable.If selected shared channel is acceptable, then main website accepts this registration request by suitable enrollment response message being delivered to secondary station.But if selected shared channel is unacceptable, then main website accepts or refuses this registration request by suitable enrollment response message being delivered to secondary station.If main website accepts this registration request, then main website determines standby shared channel subsequently and utilizes the additional messages exchange that secondary station is moved to this standby shared channel.If this registration request is refused by main website, then secondary station repeats to seek the process of another shared channel and transmission register request message, till main website accepts the registration request.In either case, enrollment process is all unnecessarily complicated and expend time in too much.
Therefore, need a kind of simple and efficient improvement enrollment process.
In the accompanying drawing:
Fig. 1 is the block diagram of expression according to the exemplary shared medium communication network of the preferred embodiment of the present invention;
Fig. 2 is the block diagram of expression according to the exemplary master station of the preferred embodiment of the present invention;
Fig. 3 is the block diagram of expression according to the exemplary secondary station of the preferred embodiment of the present invention;
Fig. 4 is the logical flow chart of expression according to the exemplary secondary station logic of the preferred embodiment of the present invention;
Fig. 5 is the logical flow chart of expression according to the exemplary master station logic of the preferred embodiment of the present invention;
Fig. 6 is the block diagram of expression according to the form of the standard enrollment response message of MCNS (MCNS) agreement;
Fig. 7 A is the block diagram of expression according to the form of the exemplary enrollment response message of the preferred embodiment of the present invention;
Fig. 7 B is the block diagram of expression according to the form of exemplary producer special use (Vendor-Specific) the data message unit of the preferred embodiment of the present invention;
Fig. 8 is the block diagram of expression form of the exemplary enrollment response message of first alternative embodiment according to the present invention;
Fig. 9 is the block diagram of expression form of the exemplary enrollment response message of second alternative embodiment according to the present invention; With
Figure 10 is the logical flow chart of expression according to the exemplary secondary station logic of the preferred embodiment of the present invention.
As above-mentioned, need simple and effective improvement enrollment process.When selected shared channel when being unacceptable,, the invention provides this improved enrollment process by the acceptable standby shared channel of notice secondary station.This allows secondary station to be directly switch to acceptable standby shared channel, need not repeat this enrollment process on a plurality of shared channels.
Specifically, when having received the initial registration request message on unacceptable selected shared channel, main website determines it is acceptable standby shared channel, and comes refusal of registration request by the enrollment response message that sends this standby shared channel of indication.When having received the enrollment response message that shows this standby shared channel, secondary station switches to standby shared channel immediately and can be finished registration on standby shared channel by another register request message that main website accepts by sending by prior defined procedure.Enrollment process according to the present invention is simple, does not accept the initial registration request because of main website refusal initial registration request, and carries out subsequently secondary station being moved to the additional step on the standby shared channel.In addition, enrollment process according to the present invention is efficient, need not search for a plurality of shared channels before finding an acceptable shared channel because secondary station switches to standby shared channel immediately.Here will proprietary feature of the present invention and advantage be described with reference to various exemplary embodiments.
Fig. 1 represents shared medium communication network 100 according to the preferred embodiment of the invention.Shared medium communication network 100 allows several terminal uses 110
1To 110
NThe distal outer network 108 of visit such as internet.Shared medium communication network 100 is used for transmission information between terminal use 110 and external network 108 as conveyance conduit.
Shared medium communication network 100 comprises the main website 102 that is coupled to external network 108.Main website 102 utilizes channel 106 and 107 and a plurality of secondary station 104
1To 104
N(collectively being called " secondary station 104 " and individually being called " secondary station 104 ") communicates by letter.Channel 106 carrying from main website 102 to secondary station 104 be the information of " downstream " direction, and after this be called as " downstream channel 106 ".Channel 107 carrying from secondary station 104 to main website 102 be the information of " upstream " direction, and after this be called as " upstream channel 107 ".Each terminal use 110 utilizes secondary station 104 to be connected with shared media communication network 100.
In the preferred embodiment, shared medium communication network 100 is (DOC) communication systems of cable data (data-over-cable), and wherein downstream channel 106 and upstream channel 107 are the separately channels that are carried on the common physical medium.In a preferred embodiment, common physical medium is hybrid fiber and coaxial cable (HFC) network.Downstream channel 106 is to be carried on one of a plurality of downstream channels on the hfc plant.Upstream channel 107 is to be carried on one of a plurality of upstream channel on the hfc plant.In other embodiments, common physical medium can be a coaxial cable, and optical fiber cable, multiple twin be to line or the like, and can comprise the aerial of wireless and satellite communication, atmosphere, or space.Therefore, various upstream and downstream channels can be identical physical channels, for example by time division multiplexing/duplex, or the physical channel that separates, for example by frequency division multiplex/duplex.
In the shared medium communication network 100 of preferred embodiment, comprise that the downstream channel of downstream channel 106 generally is positioned on the frequency band that is approximately on the 50MHz, although special frequency band can be from the system to the system change, and often decide according to country.Downstream channel is categorized as broadcast channel, because any information of transmitting on the specific downstream channel such as downstream channel 106 by main website 102 arrives all secondary stations 104.Be tuned to any secondary station 104 that on specific downstream channel, receives and receive this information.
In the shared medium communication network 100 of preferred embodiment, comprise that the upstream channel of upstream channel 107 generally is located on the frequency band that is approximately between 5 to 42MHz, although specific frequency band can be from the system to the system change, and often decide according to country.Upstream channel is classified as shared channel, and a secondary station 104 can successfully send on the particular upstream channel because only go up at any given time, therefore must be by shared at a plurality of secondary stations 104 middle and upper reaches channels.If on particular upstream channel, send simultaneously such as upstream channel 107 more than a secondary station 104, then there is conflict, make that to send the information of secondary station 104 simultaneously from all destroyed.
In order to allow a plurality of secondary stations 104 shared particular upstream channels such as upstream channel 107, main website 102 and secondary station 104 participate in media interviews control (MAC) agreement.The MAC agreement provides one group of rules and procedures, is used to coordinate the visit by 104 pairs of shared upstream channel 107 of secondary station.On behalf of its terminal use, each secondary station 104 participate in the MAC agreement.For convenience, each participant of MAC agreement is called as " MAC user ".
In a preferred embodiment, the MAC agreement comprises the agreement that is commonly referred to MCNS (MCNS), and it defines in the file of the interim standard of MCNS data-over-cable service interface standard radio frequency interface standard SP-RFI-102-971008 (after this being called " MCNS protocol specification ").Here quote is to be used for reference.In a preferred embodiment, the MAC agreement is divided into continuous slot with upstream channel 107.The MAC agreement is supported a plurality of time slot types that are used to carry different types of information.Each time slot can unit of transfer's information (for example, packet or controlling packet).Main website 102 is assigned to specific MAC user or MAC user's group with each time slot.Having the MAC user that will send data is allowed to only send in the time slot by main website 102 appointments.MAC user's transmission must begin in the time slot of appointment and finish, to avoid destroying the transmission of other MAC user in other time slot.
Fig. 2 is the block diagram of expression according to the exemplary master station 102 of the preferred embodiment of the present invention.In the preferred embodiment, main website 102 comprises the functional module that realizes on some single cards in being suitable for common chassis.In order to communicate by letter in shared medium communication network 100, main website 102 requires the functional module of smallest group at least.Specifically, the functional module of smallest group comprises adaptor module 210, MAC module 220, transmitter module 240 and receiver module 230.In a preferred embodiment, the functional module of smallest group allows main website 102 to support single downstream channel and maximum 8 upstream channel.Be convenient and simple cause, the exemplary embodiment that describes below relates to single upstream channel 107, certainly for the technical staff, apparently, can support a plurality of upstream channel in a similar fashion.
Data flow and control messages between adaptor module 210 controlling centers 102 and the secondary station 104.Adaptor module 210 comprises the control logic 218 that is coupled to memory 212.Except other thing, control logic 218 also comprises: be used to handle the data that receive from secondary station 104 and the logical gate of control (for example registration request) message, and be used to produce the data that send to secondary station 104 and the logical gate of control (for example register response) message.Memory 212 is divided into only by the private memory 216 of control logic 218 uses and by control logic 218 and the shared common storage that is used for swap data and control messages 214 of MAC logic 224 (the following describes).
Control logic 218 and MAC logic 224 use 3 circulus (not shown) in the common storage 214 to come swap data and control messages.Press the reception queue stores from data and control (for example registration request) message that secondary station 104 receives common storage 224 by MAC logic 224.Control (for example register response) message that is produced by control logic 218 is stored in the common storage 214 with the MAC transmit queue by control logic 218.The data-message that sends to secondary station 104 is stored in the common storage 214 with the data transmit queue by control logic 218.Control logic 218 monitors and receives formation to obtain data and control (for example registration request) message.MAC logic 224 monitoring MAC transmit queues are with acquisition control (for example register response) message, and the monitoring data transmit queue is to obtain data-message.
MAC module 220 realizes the MAC function in main website 102.MAC module 220 comprises the MAC logic 224 of utilizing interface 250 to be coupled to local storage 222 and common storage 214.MAC transmit queue and data transmit queue that MAC logic 224 monitors in the common storage 214.MAC logic 224 utilizes interface 253 any data queued and control (for example register response) message to be sent to the encoder/modulator 241 of transmitter module 240.MAC logic 224 utilizes interface 255 also to handle data and the control messages that receives from receiver module 230.MAC logic 224 utilize interface 250 with the data that received and control messages to receive queue stores in common storage 214.
Transmitter module 240 provides interface for downstream channel 106, is used for data and control (for example register response) message are sent to secondary station 104.Transmitter module 240 comprises the transmitter, front 242 that can be coupled to downstream channel 106 and encoder/modulator 241.Encoder/modulator 241 comprises and is used for the data that processing and utilizing interface 253 receives from MAC logic 224 and the logical gate of control (for example register response) message.More particularly, encoder/modulator 241 comprises: be used for coming according to predetermined set of encode parameters the codimg logic part of coded data and control (for example register response) message, be used for modulating according to predetermined modulation pattern the modulation logic part of coded data and control (for example register response) message.Transmitter, front 242 comprises that being used for the modulated signals of own coding device/modulator 241 in the future sends to logical gate on the downstream channel 106.More particularly, transmitter, front 242 comprises: be used for be tuned to downstream channel 106 centre frequencies the tuning logic part and be used for the filtering logical gate of modulation signal that filtering sends.Both comprise adjustable parameter encoder/modulator 241 and transmitter, front 242, and it comprises the downstream channel centre frequency that is used for transmitter, front 242, and modulating mode, modulated symbol speed and be used for the coding parameter of encoder/modulator 241.
Receiver module 230 provides interface for upstream channel 107, except that other thing, is used to receive data and control (for example registration request) message from secondary station 104.Receiver module 230 comprises the receiver front end 232 that can be coupled to upstream channel 107 and demodulator/decoder 231.Receiver front end 232 comprises the logical gate that is used to receive from the modulated signals of upstream channel 107.More particularly, receiver front end 232 comprises: be used for be tuned to upstream channel 107 centre frequencies the tuning logic part and be used for the filtering logical gate of modulation signal that filtering receives.Demodulator/decoder 231 comprises the logical gate that is used to handle from the filtering modulation signal of receiver front end 232 receptions.More particularly, demodulator/decoder 231 comprises the demodulation logic part that is used for according to the predetermined modulation pattern demodulating modulated signals, and be used for decoding by the decode logic part of restituted signal according to the decoding parametric of predetermined group, to recover data and control (for example registration request) message from secondary station 104.Both comprise adjustable parameter demodulator/decoder 231 and receiver front end 232, it comprises the upstream channel centre frequency that is used for receiver front end 232, and modulating mode, modulated symbol speed, modulation preamble sequence and be used for the decoding parametric of demodulator/decoder 231.
In a preferred embodiment, main website 102 comprises configuration interface 254, disposes customized parameter on relevant receiver module 230 and the transmitter module 240 by it.Configuration interface 254 can be coupled to demodulator/decoder 231 with MAC logic 224, receiver front end 232, encoder/modulator 241 and transmitter, front 242.Configuration interface 254 is preferably series connection peripheral interface well known in the art (SPI) bus.
Fig. 3 is the block diagram of expression according to the exemplary secondary station 104 of the preferred embodiment of the present invention.Secondary station 104 comprises and is used for the user interface 310 that is connected with terminal use 110.The data that send by terminal use 110 are received and are stored in the memory 308 by user interface 310.Secondary station 104 also comprises the control messages processor 304 that is coupled to memory 308.Control messages processor 304 GC group connector users 110 participate in the MAC agreement as MAC user.Specifically, control messages processor 304 utilizes transmitter 302 that data and control (for example registration request) message are sent to main website 102, and it can be coupled to send data and control (for example registration request) message on upstream channel 107.Control messages processor 304 also utilizes receiver 306 to handle data and control (for example register response) message that receives from main website 102, and it can be coupled to receive data and control (for example register response) message on downstream channel 106.
Fig. 4 is the logical flow chart of expression according to the exemplary secondary station logic of the preferred embodiment of the present invention.Logic starts from step 402 and selects upstream channel in step 404.Finish range finding processing (ranging process) according to the MAC agreement afterwards on selected upstream channel, this logic sends the initial registration request messages on selected upstream channel main website 102 in step 406.Suppose that selected upstream channel is unacceptable for main website 102, then in the enrollment response message of this logic reception of step 408 from main website 102, it is refused this initial registration request and discerns standby upstream channel.When having received this enrollment response message, this logic switches to standby upstream channel in step 410, and finishes on standby upstream channel after the range finding processing, sends second register request message to main website 102 on standby upstream channel in step 412.This logic is in the enrollment response message of step 414 reception from main website 102, and it accepts second registration request.Logic finishes in step 499.
Fig. 5 is the logical flow chart of expression according to the exemplary master station logic of the preferred embodiment of the present invention.Logic starts from step 502, and step 504 on the selected upstream channel when secondary station 104 has received the initial registration request message, determine that in step 506 selected upstream channel is acceptable or unacceptable.If selected upstream channel is acceptable (accepting of step 508), then in step 510, this logic sends enrollment response message for secondary station 104 on selected upstream channel, and it accepts the initial registration request.But, if selected upstream channel is unacceptable (step 508 unacceptable), then in step 512, this logic is determined standby upstream channel and is sent enrollment response message for secondary station 104 in step 514, its refusal initial registration request and the standby upstream channel of identification.This logic receives second register request message from secondary station 104 in step 516 subsequently on standby upstream channel, and on standby upstream channel enrollment response message is sent to secondary station 104, and it accepts this second registration request.This logic finishes in step 599.
In the MCNS agreement of stipulating in the MCNS protocol specification, enrollment response message does not comprise field or other method that is used to discern standby upstream channel.Fig. 6 illustrates the form according to the standard enrollment response message 600 of MCNS agreement.Standard enrollment response message 600 comprises MAC administrative messag head 602, service identifier (SID) 604, response 606 and some information units (IE) 608.This registration request of response 606 expressions is accepted or refuses, and if refusal represents that then this refusal is because authorization failure or service class failure.IE608 has from main website 102 to secondary station 104 additional information.Each IE comprises the single eight bit byte type field of the type that is identified in the information that has among the IE uniquely, the single length in octets field (except type and length field) of eight bit word joint number among the expression IE, and have maximum value fields to 254 octet of data.In the MCNS protocol specification, IE is called as " TLV coded message ".
The MCNS protocol specification has defined several can be included in IE in the enrollment response message.Specifically, enrollment response message can comprise modem performance IE, and service class data I E can not obtain professional IE, and the exclusive data IE of producer.By modem performance, service class data and can not obtain professional IE loaded information and in the MCNS protocol specification, stipulate.Do not stipulate in the MCNS protocol specification by producer's exclusive data IE loaded information, and can independently define for each producer.
In a preferred embodiment, carry among the exclusive data IE of producer that standby upstream channel identifier comprises in enrollment response message.Just as shown in Figure 7A, exemplary according to the preferred embodiment of the invention enrollment response message 700 comprises standard MAC administrative messag head 602, SID604, and the response 606 of expression service fail class, modem performance IE702, and can not obtain professional IE704.Enrollment response message 700 also comprises the exclusive data IE706 of producer, the exemplary exclusive data IE of producer shown in Fig. 7 B for example, and it comprises standby upstream channel identifier.Preferred embodiment is suitable in existing MCNS protocol frame, and does not require the MCNS protocol specification is carried out any change.And, other producer is foreclosed, preferred embodiment is practical for single producer, therefore the improved registration process according to preferred embodiment comes the product of this producer and the difference of other producer.
In first alternative embodiment, standby upstream channel identifier is contained in carrying in one of IE in the enrollment response message current.Specifically, one of IE for example can not obtain professional IE, is redefined to comprising this standby upstream channel identifier.As shown in Figure 8, the exemplary enrollment response message 800 of first alternative embodiment comprises standard MAC administrative messag head 602 according to the present invention, SID604, the response 606 of expression service fail class, and modem performance IE702.What enrollment response message 800 also comprised the modification that includes standby upstream channel identifier can not obtain professional IE802.Practical first alternative embodiment in the MCNS protocol frame hereto, must revise the MCNS protocol specification with redefine be used to carry standby upstream channel identifier can not obtain professional IE (perhaps another IE).
In second alternative embodiment, standby upstream channel identifier is not to carry in the IE of the current IE that is contained in enrollment response message at one.Specifically, enrollment response message is redefined to comprising another IE, for example is upstream channel ID IE that defines in the MCNS protocol specification or the new IE that is used to carry the special definition of standby upstream channel identifier.As shown in Figure 9, the exemplary enrollment response message 900 of second alternative embodiment comprises standard MAC administrative messag head 602 according to the present invention, SID604, the response 606 of expression service fail class, modem performance IE702 and can not obtain professional IE704.Enrollment response message 900 also comprises IE902, the upstream channel ID IE that for example in the MCNS protocol specification, defines or be used to carry standby upstream channel identifier and the new IE of special definition, and it includes standby upstream channel identifier.Second alternative embodiment that can be practical in the MCNS protocol frame hereto must revise the MCNS protocol specification redefining the enrollment response message form, and if desired, definition is used to carry the new IE of standby upstream channel identifier.
In order to keep the back compatible with existing main website, the standard enrollment response message that secondary station 104 must not comprise standby upstream channel identifier with comprise that the enrollment response message of standby upstream channel identifier differentiates, and react in view of the above.Figure 10 is the logical flow chart 1000 of expression according to exemplary secondary station 102 logics of the preferred embodiment of the present invention.Logic starts from step 1002, and selects upstream channel in step 1004.Finish on selected upstream channel after the range finding processing, this logic sends to main website 102 with the initial registration request message in step 1006 on selected upstream channel.Suppose that selected upstream channel is unacceptable for main website 102, then this logic receives enrollment response message in step 1008 from main website 102, its refusal initial registration request.When having received this enrollment response message, this logic determines in step 1010 whether this enrollment response message comprises standby upstream channel identifier.If enrollment response message comprises standby upstream channel identifier (step 1012 be), then logic switches to standby upstream channel in step 1014, and on standby upstream channel, finish after the range finding processing, on standby upstream channel, second register request message is sent to main website 102 in step 1018.If enrollment response message does not comprise standby upstream channel identifier (step 1012 deny), then logic is selected standby upstream channel in step 1016, and on selected standby upstream channel, finish after the range finding processing, on selected standby upstream channel, second register request message is sent to main website 102 in step 1018.Logic finishes in step 1099.
All logics described here can both be by using discrete parts, integrated circuit, be used in the FPGA (Field Programmable Gate Array) that combines with programmable logic device, comprise that perhaps any other device of its any combination is realized such as field programmable gate array (FPGA) or microprocessor.FPGA (Field Programmable Gate Array) can be temporarily or for good and all is fixed on for example ROM chip, and computer storage is in the tangible medium of dish or other storage medium.FPGA (Field Programmable Gate Array) can also be fixed in the computer data signal that is presented as carrier wave, and it allows FPGA (Field Programmable Gate Array) to transmit on the interface such as computer bus or communication network.All such embodiment should fall within the scope of the invention.
Therefore, the present invention is made of various embodiment, it includes, but is not limited to: the secondary station 104 that comprises secondary station logic 400 and 1000, the main website 102 that comprises main website logic 500, comprise shared medium communication network 100 according to main website 102 of the present invention and at least one secondary station 104, and the enrollment response message 700,800 and 900 that comprises standby upstream channel identifier.
According to the present invention, secondary station 104 can be presented as method, device, computer-readable medium or data-signal, it can make secondary station 104 select upstream channel, on selected upstream channel, send first register request message, receive first enrollment response message that standby upstream channel was asked and discerned in this first registration of refusal, switch to standby upstream channel and on standby upstream channel, send second register request message.
According to the present invention, main website 102 can be presented as method, device, computer-readable medium or data-signal, it can make main website 102 receive first register request message on selected upstream channel, determine that according to predetermined standard selected upstream channel is unacceptable, determine standby upstream channel, send this first registration of refusal and ask and discern first enrollment response message of standby upstream channel, on standby upstream channel, receive second register request message, and on standby upstream channel, send second enrollment response message of accepting the second registration request.
According to the present invention, shared medium communication network 100 can be presented as method or system, and it comprises the main website that communicates by letter with at least one secondary station, is used for: select upstream channel by secondary station; On selected upstream channel, from the secondary station to the main website, send first register request message; On selected upstream channel, receive first register request message by main website; Determine that according to predetermined standard selected upstream channel is unacceptable by main website; Determine standby upstream channel by main website; From the main website to the secondary station, send this first registration of refusal and ask and discern first enrollment response message of standby upstream channel; Receive first enrollment response message that standby upstream channel was asked and discerned in this first registration of refusal by secondary station; Switch to standby upstream channel by secondary station; On standby upstream channel, from the secondary station to the main website, send second register request message; On standby upstream channel, receive second register request message by main website; And second enrollment response message that on standby upstream channel, from the main website to the secondary station, sends the acceptance second registration request.
According to the present invention, be used in the enrollment response message (700 of MCNS (MCNS) agreement, 800,900) comprise the standby upstream channel identifier of discerning the standby upstream channel that is used to register, wherein standby upstream channel identifier is included in producer's exclusive data information unit, the modem performance information unit, service class data message unit, can not obtain the business information unit, upstream channel id information unit perhaps is included in any other the existing or new information unit in the enrollment response message.
Under the situation that does not break away from substantive characteristics, the present invention can realize with other form.Illustrated embodiment is as just illustrative and not restrictive.
Claims (21)
1. method that is used in communication network registration secondary station comprises step:
Select upstream channel;
On selected upstream channel, send first register request message;
Receive refusal first registration and ask and discern first enrollment response message of standby upstream channel;
Switch to standby upstream channel; With
On standby upstream channel, send second register request message.
2. device comprises:
Select logic, it can be coupled to select a upstream channel from a plurality of upstream channel;
First sends logic, and it can be coupled to send first register request message on selected upstream channel;
Receive logic, it can be coupled first enrollment response message to receive the refusal first registration request and to discern standby upstream channel;
Switch logic, it can be coupled to switch to standby upstream channel; With
Second sends logic, and it can be coupled to send second register request message on standby upstream channel.
3. the device of claim 2 comprises:
Be used to select the device of upstream channel;
Be used on selected upstream channel, sending the device of first register request message;
The device that is used to receive the refusal first registration request and discerns first enrollment response message of standby upstream channel;
Be used to switch to the device of standby upstream channel; With
Be used on standby upstream channel, sending the device of second register request message.
4. an equipment includes computer-usable medium, has wherein had computer-readable program, is used for registering secondary station at communication network, and this computer-readable program comprises the computer-readable program instructions that can make computer finish following step:
Select upstream channel;
On selected upstream channel, send first register request message;
Receive refusal first registration and ask and discern first enrollment response message of standby upstream channel;
Switch to standby upstream channel; With
On standby upstream channel, send second register request message.
5. the equipment of claim 4, wherein computer-readable program comprises:
Be used to select the computer-readable program code means of upstream channel;
Be used on selected upstream channel, sending the computer-readable program code means of first register request message;
The computer-readable program code means that is used to receive the refusal first registration request and discerns first enrollment response message of standby upstream channel;
Be used to switch to the computer-readable program code means of standby upstream channel; With
Be used on standby upstream channel, sending the computer-readable program code means of second register request message.
6. data-signal that is embodied in the carrier wave, what wherein embody in the data-signal is the computer-readable program that is used in communication network registration secondary station, computer-readable program comprises the computer-readable program instructions that can make computer finish following step:
Select upstream channel;
On selected upstream channel, send first register request message;
Receive refusal first registration and ask and discern first enrollment response message of standby upstream channel;
Switch to standby upstream channel; With
On standby upstream channel, send second register request message.
7. the data-signal of claim 6, wherein computer-readable program comprises:
Be used to select the computer-readable program code means of upstream channel;
Be used on selected upstream channel, sending the computer-readable program code means of first register request message;
The computer-readable program code means that is used to receive the refusal first registration request and discerns first enrollment response message of standby upstream channel;
Be used to switch to the computer-readable program code means of standby upstream channel; With
Be used on standby upstream channel, sending the computer-readable program code means of second register request message.
8. method that is used in communication network registration secondary station comprises step:
On selected upstream channel, receive first register request message;
Determine that according to preassigned selected upstream channel is unacceptable;
Determine standby upstream channel;
Send refusal first registration and ask and discern first enrollment response message of standby upstream channel;
On standby upstream channel, receive second register request message; With
On standby upstream channel, send second enrollment response message of accepting the second registration request.
9. device comprises:
First receive logic, it can be coupled to receive first register request message on selected upstream channel;
First determines logic, and it can be coupled to determine that according to preassigned selected upstream channel is unacceptable;
Second determines logic, and it can be coupled to determine standby upstream channel from a plurality of upstream channel;
First sends logic, and it can be coupled first enrollment response message to send the refusal first registration request and to discern standby upstream channel;
Second receive logic, it can be coupled to receive second register request message on standby upstream channel; With
Second sends logic, and it can be coupled second enrollment response message of accepting second registration request to send on standby upstream channel.
10. the device of claim 9 comprises:
Be used on selected upstream channel, receiving the device of first register request message;
Be used for determining that according to preassigned selected upstream channel is unacceptable device;
Be used for determining the device of standby upstream channel;
The device that is used to send the refusal first registration request and discerns first enrollment response message of standby upstream channel;
Be used on standby upstream channel, receiving the device of second register request message; With
Be used on standby upstream channel, sending the device of second enrollment response message of accepting the second registration request.
11. an equipment includes computer-usable medium, wherein has computer-readable program, is used for registering secondary station at communication network, this computer-readable program comprises the computer-readable program instructions that can make computer finish following step:
On selected upstream channel, receive first register request message;
Determine that according to preassigned selected upstream channel is unacceptable;
Determine standby upstream channel;
Send refusal first registration and ask and discern first enrollment response message of standby upstream channel;
On standby upstream channel, receive second register request message; With
On standby upstream channel, send second enrollment response message of accepting the second registration request.
12. the equipment of claim 11, wherein computer-readable program comprises:
Be used on selected upstream channel, receiving the computer-readable program code means of first register request message;
Be used for determining that according to preassigned selected upstream channel is unacceptable computer-readable program code means;
Be used for determining the computer-readable program code means of standby upstream channel;
The computer-readable program code means that is used to send the refusal first registration request and discerns first enrollment response message of standby upstream channel;
Be used on standby upstream channel, receiving the computer-readable program code means of second register request message; With
Be used on standby upstream channel, sending the computer-readable program code means of second enrollment response message of accepting the second registration request.
13. data-signal that is embodied in the carrier wave, what wherein embody in the data-signal is the computer-readable program that is used in communication network registration secondary station, and computer-readable program comprises the computer-readable program instructions that can make computer finish following step:
On selected upstream channel, receive first register request message;
Determine that according to preassigned selected upstream channel is unacceptable;
Determine standby upstream channel;
Send refusal first registration and ask and discern first enrollment response message of standby upstream channel;
On standby upstream channel, receive second register request message; With
On standby upstream channel, send second enrollment response message of accepting the second registration request.
14. the data-signal of claim 13, wherein computer-readable program comprises:
Be used on selected upstream channel, receiving the computer-readable program code means of first register request message;
Be used for determining that according to preassigned selected upstream channel is unacceptable computer-readable program code means;
Be used for determining the computer-readable program code means of standby upstream channel;
The computer-readable program code means that is used to send the refusal first registration request and discerns first enrollment response message of standby upstream channel;
Be used on standby upstream channel, receiving the computer-readable program code means of second register request message; With
Be used on standby upstream channel, sending the computer-readable program code means of second enrollment response message of accepting the second registration request.
15. a method that is used at communication network poll device, this communication network comprises the main website that communicates by letter with at least one secondary station, and the method comprising the steps of:
Select upstream channel by secondary station;
On selected upstream channel, from the secondary station to the main website, send first register request message;
On selected upstream channel, receive first register request message by main website;
Determine that according to preassigned selected upstream channel is unacceptable by main website;
Determine standby upstream channel by main website;
From the main website to the secondary station, send refusal first registration and ask and discern first enrollment response message of standby upstream channel;
Receive first enrollment response message that standby upstream channel was asked and discerned in refusal first registration by secondary station;
Switch to standby upstream channel by secondary station;
On standby upstream channel, from the secondary station to the main website, send second register request message;
On standby upstream channel, receive second register request message by main website; With
On standby upstream channel, from the main website to the secondary station, send second enrollment response message of accepting the second registration request.
16. a system that comprises the main website that communicates by letter with secondary station, wherein:
Secondary station selects upstream channel and sends first register request message to main website on selected upstream channel;
Main website receives first register request message on selected upstream channel, determine that according to preassigned selected upstream channel is unacceptable, first enrollment response message of determining standby upstream channel and sending the refusal first registration request and discern standby upstream channel is to secondary station;
Secondary station receives the refusal first registration request and discerns first enrollment response message of standby upstream channel, switches to standby upstream channel and sends second register request message to main website on standby upstream channel; With
Main website receive second register request message on the standby upstream channel and on standby upstream channel, send accept the second registration request second enrollment response message to secondary station.
17. an enrollment response message that is used in MCNS (MCNS) agreement, this enrollment response message comprise the standby upstream channel identifier of the standby upstream channel that identification is used to register.
18. the enrollment response message of claim 17, wherein standby upstream channel identifier are included in producer's exclusive data information unit in the enrollment response message.
19. the enrollment response message of claim 17, wherein standby upstream channel identifier be included in following among:
The modem performance information unit;
Service class data message unit; With
Can not obtain the business information unit.
20. the enrollment response message of claim 17, wherein standby upstream channel identifier are included in the upstream channel id information unit in the enrollment response message.
21. the enrollment response message of claim 17, wherein standby upstream channel identifier are included in the unique information unit in the enrollment response message.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US8734298P | 1998-05-29 | 1998-05-29 | |
| US09/087,342 | 1998-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1303548A true CN1303548A (en) | 2001-07-11 |
Family
ID=22204622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99806790 Pending CN1303548A (en) | 1998-05-29 | 1999-03-19 | System, device and method for registration in communication network |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1082829A1 (en) |
| CN (1) | CN1303548A (en) |
| AU (1) | AU3196299A (en) |
| CA (1) | CA2333385A1 (en) |
| MX (1) | MXPA00011680A (en) |
| WO (1) | WO1999063690A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1754352B (en) * | 2003-02-21 | 2011-09-21 | 日本电信电话株式会社 | Device and method for correcting a path trouble in a communication network |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002009428A1 (en) * | 2000-07-24 | 2002-01-31 | Nagravision Sa | Return channel for pay television decoder |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5847660A (en) * | 1994-12-21 | 1998-12-08 | Motorola, Inc. | Method for avoiding interference in a cable telephony system |
| US5583863A (en) * | 1995-01-31 | 1996-12-10 | Bell Atlantic Network Services, Inc. | Full service network using asynchronous transfer mode multiplexing |
| US5835723A (en) * | 1995-12-28 | 1998-11-10 | Intel Corporation | Dynamic assignment of multicast addresses |
| US5903558A (en) * | 1996-06-28 | 1999-05-11 | Motorola, Inc. | Method and system for maintaining a guaranteed quality of service in data transfers within a communications system |
-
1999
- 1999-03-19 MX MXPA00011680A patent/MXPA00011680A/en unknown
- 1999-03-19 WO PCT/US1999/006169 patent/WO1999063690A1/en not_active Application Discontinuation
- 1999-03-19 EP EP99914019A patent/EP1082829A1/en not_active Withdrawn
- 1999-03-19 CA CA002333385A patent/CA2333385A1/en not_active Abandoned
- 1999-03-19 CN CN 99806790 patent/CN1303548A/en active Pending
- 1999-03-19 AU AU31962/99A patent/AU3196299A/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1754352B (en) * | 2003-02-21 | 2011-09-21 | 日本电信电话株式会社 | Device and method for correcting a path trouble in a communication network |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1082829A1 (en) | 2001-03-14 |
| CA2333385A1 (en) | 1999-12-09 |
| AU3196299A (en) | 1999-12-20 |
| MXPA00011680A (en) | 2002-06-04 |
| WO1999063690A1 (en) | 1999-12-09 |
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