CN101147338B - Method of executing scanning in broadband wireless access system - Google Patents
Method of executing scanning in broadband wireless access system Download PDFInfo
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- CN101147338B CN101147338B CN2006800089131A CN200680008913A CN101147338B CN 101147338 B CN101147338 B CN 101147338B CN 2006800089131 A CN2006800089131 A CN 2006800089131A CN 200680008913 A CN200680008913 A CN 200680008913A CN 101147338 B CN101147338 B CN 101147338B
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- 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
- H04B7/2603—Arrangements for wireless physical layer control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
Abstract
The primitives between an upper management layer and the MAC layer within a mobile station and a base station are defined in order to specify and clarify the operations within the protocol stack layers in a broadband wireless access system to allow a mobile station to perform scanning procedures. Media Independent Handover (MIH) procedures can be achieved because the NCMS and MIH layer can communicate through use of these primitives.
Description
Technical field
The present invention relates to a kind of BWA, and more specifically, relate to a kind of clearly definition and be used for the interior protocol stack of mobile radio station and the primitive of the protocol stack in the base station, with the scan operation of supporting to carry out by mobile radio station, thus the method for the channel quality of check neighbor base station.
Background technology
System's experience of IEEE802.16e is about the International standardization of BWA, this system does not have and comprises HLR (Home Location Register) in existing 2G and the 3G mobile communication system, VLR (Visited Location Registor), MSC (mobile switching centre), BSC (base station controller), the hierarchy of RNC (radio network controller) etc., but only comprise MSS (mobile subscriber station), BS (base station) and ASA (authentication service mandate).
BWA is defined in the agreement of MAC public between base station and the mobile radio station (MSS) (media interviews control) layer and PHY (physics) layer.Fig. 1 illustrates the example protocol layer architecture that is used for BWA.
Fig. 2 illustrates the process that is used for searching for and broadcasting in BWA neighbours' base station information according to prior art.
If mobile radio station (MSS) receives neighbours' base station information broadcasts (MOB_NBR-ADV) [S21] from serving BS, mobile radio station stops from the Data Receiving of serving BS provisionally and sends scan request message (MOB_SCN-REQ) with a certain amount of time of obtaining to be used to carry out the channel quality measurement of neighbours base station (duration=N frame) [S22].When the channel quality of moving station measuring neighbours base station, serving BS stops any transfer of data to mobile radio station, and stores this data that may send after the duration in the scanning of finishing by the mobile radio station request (search).MOB_NBR-ADV is broadcast to mobile radio station so that the message of the information relevant with the neighbours base station to be provided by serving BS, and can comprise the sum of neighbours base station, is used for the identifier of neighbours base station, by the frequency that use the neighbours base station, the channel information of neighbours base station etc.
In response to this scan request message (MOB_SCN-REQ) that sends from mobile radio station, this serving BS sends scanning response message (MOB_SCN-RSP) [S23].In Fig. 2, guarantee that the duration of serving BS from the M frame to the N frame is to carry out the channel quality measurement of neighbours base station.In other words, guarantee scanning (search) duration, and mobile radio station and serving BS agree that the duration of this assurance should begin after the M frame by the mobile radio station request by scan request message between mobile radio station and the serving BS and scanning response message.Mobile radio station is measured the channel quality [S24, S25] of the neighbours base station during sweep time of assurance subsequently.Mobile radio station provides scanning result to serving BS [S26] by sending scanning result report message (MOB_SCAN-REPORT).
Summary of the invention
Technical problem
As mentioned above, in the prior art, what definition sent with the base station and received is used carrying out the message of scanning by mobile radio station, but does not define in fact and scan relevant operation for protocol stack in the mobile radio station (layer) and protocol stack (layer) in the base station.That is, respectively in the protocol stack of mobile radio station and base station, be not used in about definition via the primitive of information transmitted between the MAC layer of NCMS (network control management system) and the upper management entity.
Technical scheme
One aspect of the present invention comprises the shortcoming of being discerned aforesaid prior art by the inventor.In order to address this is that, to the invention provides and a kind ofly define primitive between upper management layer and the MAC layer with regulation with illustrate operation in the protocol stack layers in the BWA, thereby allow mobile radio station to carry out the method for scanning process.
According to an aspect of the present invention, a kind of method that is used to ask the sweep spacing of BWA is provided, this method comprises: receive first primitive from the network control management system (NCMS) of mobile radio station, described first primitive is included in the sweep spacing information of mobile radio station; Transmission comprises the scan request of described sweep spacing information to the base station; Receive the scanning response from this base station; Arrive this NCMS with transmission second primitive, described second primitive is included in the object information of the sweep spacing request of described mobile radio station execution.
According to another aspect of the present invention, provide a kind of method that is used to ask the sweep spacing of BWA, this method comprises: receive the scan request that comprises sweep spacing information from mobile radio station by the base station; Send the base station network control management system (NCMS) of first primitive to described base station, described first primitive comprises described sweep spacing information; Receive second primitive from the NCMS of this base station, described second primitive comprises the object information of the sweep spacing request of execution; The scanning that comprises described object information with transmission responds mobile radio station.
Description of drawings
The accompanying drawing that comprises is in order to the further the present invention of understanding and incorporate the present invention into and become the part of application, accompanying drawing show embodiments of the invention and simultaneously with use one and be used from and explain principle of the present invention.In the accompanying drawing:
Fig. 1 illustrates the example protocol layer architecture that is used for BWA.
Fig. 2 illustrates the process that is used for searching for and broadcasting in BWA neighbours' base station information according to prior art.
Fig. 3 illustrates the example protocol architectural model of considering medium independence handovers (MIH).
Figure 4 and 5 illustrate the principle of how to operate according to primitive of the present invention.
Fig. 6 illustrates the flow chart of exemplary embodiment of the present invention.
Fig. 7 illustrates the flow chart of another exemplary embodiment of the present invention.
Embodiment
The present invention is described as be in BWA, such as what realize in the 802.16e network.Yet, because notion of the present invention and instruction can be applied to the various communication plans of working in a similar manner based on common techniques, the present invention can also be suitable for and the communication system of under the communication specification of other types, working in realize (for example, 802.16g, 802.21,802.1Iu etc.).Explain non-restrictive example embodiment of the present invention below with reference to accompanying drawing.
And, will be about being used for entity, interface, primitive, the specific title of message etc. is described definite aspect of the present invention.It is non-limiting that but those skilled in the art will be expressly understood this title, because also can use other titles (label, term etc.), as long as their function instruction according to the invention.
The invention provides a kind of passing through and transmit primitive to necessary upper management entity by NCMS (network control management system), and allow management or the entity management MAC layer of control and the method for PHY layer of executive system (mobile radio station or base station) from the MAC layer.Specifically, when mobile radio station is carried out scanning, provide the method for the primitive that need between MAC layer and upper management entity, transmit in the protocol stack that is defined in mobile radio station and the base station via NCMS.
Below, management entity is meant that interface connects whole entities of NCMS, and can be to be present in interior IP layer of device or any logic manage entity or the physical management entity in its upper strata.Because from the upper management entity via NCMS to management SAP (M-SAP) or control SAP (C-SAP) executive communication, operation of the present invention can seem NCMS and directly send (transmission) primitive.
Be used for upper management entity of the present invention and can be positioned at more than the layer management entity of protocol stack as shown in Figure 1, and be divided into the physics or the logic higher level management entity of the management SAP communication by NCMS or layer management entity.This upper management entity may reside in the particular protocol stack, perhaps can be used as independent and independently system or storehouse exist, but be called as the upper management entity conceptually.
Fig. 3 illustrates the example protocol architectural model of considering medium independence handovers (MIH).
Transmitted (transmission) to NCMS (network control and management system) by primitive provided by the invention via management SAP (M-SAP) or control SAP (C-SAP), and NCMS can transmit the position of (transmission) this primitive to the necessity that comprises the upper management entity.
M-SAP can have the executive system of being used for configuration, is used for the monitoring statistics, the function that is used to notify/trigger etc.But be not limited to only these functions.C-SAP can have the function that is used to carry out handover (for example, from notice of the HO request of MS or the like), (for example is used for idle mode mobility management, move into idle pulley), be used for user and session management (for example, mobile queued session is set up), be used for RRM etc.But be not limited to only these functions.Although can transmit this primitive by M-SAP and/or C-SAP according to their above function distinguishing primitive of the present invention.
Figure 4 and 5 illustrate the principle of how to operate according to primitive of the present invention.Fig. 4 show need with the primitive of remote entity cooperation, simultaneously Fig. 5 shows the primitive that only transmits in local stack.
As shown in Figure 4, when the cooperation that exists with remote entity, carry out comprise request-and-confirm or comprise response-with-a pair of operation of indicating.
As shown in Figure 5, when in local stack, operation taking place, have two situations: mutual exchange between management entity and NCMS (in other words, bidirectional operation) or one-way operation.For bidirectional operation, be known as request by M-SAP/C-SAP to the transmission of NCMS from management entity, and its response that sends is known as indication.For one-way operation, be known as request by M-SAP/C-SAP to the transmission of NCMS from management entity, and one-way transmission in the opposite direction is known as indication.
Can be used for that management entity is wherein indicated corresponding pattern or when the multi-mode mobile station of corresponding pattern transmission information during according to primitive of the present invention to the whole multimodal entity of management.In the case, can there be following two situations.
At first, when from MIH layer or MIH function when lower floor transmits primitive, MIH (layer or function) can explain the information that receives from the upper strata (for example, order etc.) or can and send it with this upper layer information of command mapping of the present invention (order) when transmitting corresponding primitive.
Second, when transmitting primitive to MIH layer or MIH function from lower floor, when send will be transmitted to the upper strata corresponding primitive (promptly, unified primitive in the MIH definition) time, MIH (layer or function) can explain the primitive that receives from lower floor, and perhaps the primitive of lower floor and the primitive that will be sent to the upper strata can and send subsequently by mapping simply.
When being used for medium independence handover (MIH), the primitive that is defined by the present invention can be passed through to transmit at SAP between NCMS and the MIH or the SAP between management entity and MIH, so that can realize the MIH technology.
A kind of method for scanning of carrying out in BWA comprises: the MAC layer by mobile radio station receives the neighbours' base station information broadcast (MOB_NBR-ADV) that sends from the base station; Transmit the information be included in neighbours' base station information broadcast to the upper management entity by the MAC layer by first primitive; Transmit second primitive that indication should be carried out scanning at the MAC layer from the upper management entity; Carry out scanning about the neighbours base station at the MAC layer; With transmit scanning result to the upper management layer by the MAC layer by the 3rd primitive.
For allowing mobile radio station by using the MAC message that sends and receive with the base station and carry out scanning, will the embodiment that explain in mobile radio station and base station via the operation of carrying out of NCMS be described between upper management entity and MAC layer with reference to figure 6 and 7 by primitive provided by the invention.
Fig. 6 illustrates the flow chart of exemplary embodiment of the present invention, and wherein, this mobile radio station is carried out scanning and do not provided scan request to the base station.Even without send neighbours' base station information from the base station, mobile radio station can ask scanning and mobile radio station itself can carry out scanning.
The MAC layer of mobile radio station receives the MOB_NBR-ADV message [S51] from the base station, and the information that is included in this message can be by the upper management entity [S52] that sends it by M_Neighbor-indication primitive to.MOB_NBR-ADV be by base station broadcast to the message of mobile radio station with information that neighbours' situation is provided, and MOB_NBR-ADV message comprises the sum of base station, is used for the identifier of neighbours base station, by the frequency that use the neighbours base station, channel information of neighbours base station or the like.
The NCMS entity of mobile radio station transmits indication will carry out the MAC layer [S53] of the M_scanning.request of scanning to mobile radio station.After the MAC of mobile radio station layer is carried out scanning [S54], send its result to upper management entity [S55] by using M_Scanning.confirmation primitive.
Fig. 7 illustrates the flow chart of another exemplary embodiment of the present invention, wherein, carries out scanning at mobile radio station after base station requests scanning.
After mobile radio station MAC layer receives MOB_NBR-ADV message from the base station [S61], by using M-ScanScheduling.request primitive the information in these message of will being included in to send its upper management entity [S63] to, with indication base station requests MOB_SCN-REQ message.
Mobile radio station MAC layer sends MOB_SCN-REQ message to base station MAC layer [S64], and base station MAC layer transmits the upper management entity [S65] of the content of MOB_SCN-REQ message to it by M_ScanScheduling.indication primitive.
Here, should be understood that scan schedule can comprise from comprising: duration scanning, scan iterations, at least one factor of the scanning start frame and the group at interval that interweaves.
The upper management entity of this base station is carried out the scheduling of the start frame that is used for duration scanning and mobile radio station, subsequently by using M_ScanScheduling.response primitive to transmit these to base station MAC layer [S66].
Base station MAC layer sends MOB_SCN-RSP message to mobile radio station [S67] in response to MOB_SCN-REG message.
After the base station received MOB_SCN-RSP message, this was passed through to use M_ScanSceduling at mobile radio station MAC layer, and indication primitive sends its upper management entity [S68] to.The upper management entity of mobile radio station transmits M-Scanning, and request primitive is carried out scanning [S69] with indication mobile radio station MAC layer.After the MAC of mobile radio station layer is carried out scanning [S70], the result is sent to the upper management entity [S71] of mobile radio station by using M_Scanning.confirmation primitive.The upper management entity of mobile radio station transmits M_ScanReport.request primitive to mobile radio station MAC layer [S72], and indication is sent to the base station with MOB_SCAN-REPORT message.Send MOB_SCAN-REPORT message [S73] after the base station at mobile radio station MAC layer, this is sent to the upper management entity [S74] of mobile radio station by use M_ScanReport.confirmation primitive.
Explain as reference Fig. 6 and 7, below will explain the primitive to carry out scanning and to scan that should send by management SAP (M_SAP) and/or control SAP (C_SAP) in more detail from base station requests by mobile radio station.
(1) M_Neighbor.indication primitive
1) function
This M_Neighbor.indication sends to the upper management entity by management SAP from mobile radio station MAC layer, so that the primitive of the information relevant with the neighbours base station that receives as the MAC administrative messag to be provided.
2) semanteme
M_Neighbor.indication
{
The source,
The destination,
Operator ID,
N_Neighbors，
Neighbours BS-ID,
HO handles optimization,
Usable radio resources,
}
Expressed the exemplary data format of M_Neighbor.indication primitive below.
[table 1]
3) formation time
After the upper management entity, form this M_Neighbor.indication primitive by mobile radio station MAC layer in the essential information that is included in transmission this message from base station reception MOB_NBR-ADV message.
Effect when 4) receiving
The upper management entity receives M_Neighbor.indication primitive to obtain the information relevant with the neighbours base station from mobile radio station MAC layer.
(2) M_ScanScheduling.request primitive
1) function
M_ScanScheduling.request is the primitive that the indication MBO_SCN-REQ message from the upper management entity to mobile radio station MAC layer will be sent to the base station for the purpose that scans.
2) semanteme
M_ScanScheduling.request
{
The source,
The destination,
Duration scanning,
BS-ID
}
Expressed the exemplary data format of M_ScanScheduling.request primitive below
[table 2]
3) formation time
Form M_ScanScheduling.request primitive so that the upper management entity of mobile radio station indication mobile radio station MAC layer sends MOB_SCN-REQ message to the base station.
Effect when 4) receiving
After mobile radio station MAC layer received M_ScanScheduling.request primitive, MOB_SCN-REQ message was sent to the base station.
(3) M_ScanScheduling.indication primitive
1) function
M_ScanScheduling.indication uses primitive with the upper management entity that is sent to the base station by base station MAC layer, receives the information relevant with MOB_SCN-REQ message from mobile radio station.
2) semanteme
M_ScanScheduling.indication
{
The source,
The destination,
The MS MAC Address,
Duration scanning
}
Expressed the exemplary data format of M_ScanScheduling.indication primitive below.
[table 3]
3) formation time
After receiving MOB_SCN-REQ message, mobile radio station forms M_ScanScheduling.indication primitive at base station MAC layer, to transmit the upper management entity of corresponding information to it.
Effect when 4) receiving
After receiving M_ScanScheduling.indication primitive, determine to allow or refuse the scan request of mobile radio station.
(4) M_ScanScheduling.response primitive
1) function
M_ScanScheduling.response is that the upper management entity that is used for the base station transmits the primitive of the result of mobile radio station scan request to its MAC layer.
2) semanteme
M_ScanScheduling.response
{
The source,
The destination,
The MS MAC Address,
Duration scanning,
Start frame
}
Following table shows the exemplary data format of M_ScanScheduling.response primitive.
[table 4]
3) formation time
After the definite scan request result of base station upper management entity, form M_ScanScheduling.response primitive, to transmit the MAC layer of corresponding information to it about mobile radio station.
Effect when 4) receiving
Under the situation that receives this primitive, mobile radio station MAC layer sends MOB_SCN-RSP message to mobile radio station.
(5) M_ScanScheduling.confirmation primitive
1) function
M_ScanScheduling.confirmation is used by mobile radio station MAC layer, with after receiving MOB_SCN-REQ message, transmits the primitive of the information relevant with the message that receives to its upper management entity.
2) semanteme
M_ScanScheduling.confirmation
{
The source,
The destination,
Duration scanning,
Start frame
}
Following table shows the exemplary data format of M_ScanScheduling.confirmation primitive.
[table 5]
3) formation time
Form M_ScanScheduling.confirmation primitive so that mobile radio station MAC layer transmits the relevant information of the scanning that receives from the base station in response to NCMS or management entity.
Effect when 4) receiving
The upper management entity of portable terminal can be based on the information in the primitive that is included in this transmission to the mobile radio station beacon scanning.
(6) M_Scanning.request primitive
1) function
M_Scanning.request is that the upper management entity indication mobile radio station MAC layer that is used for mobile radio station is carried out the primitive that scans.
2) semanteme
M_Scanning.request
{
The source,
The destination,
Duration scanning,
The link-quality threshold value,
Link State reporting period
}
Following table shows the exemplary data format of M_Scanning.request primitive.
[table 6]
3) formation time
Form M_Scanning.request primitive so that its MAC layer of the upper management entity of portable terminal indication is carried out scanning.
Effect when 4) receiving
Mobile radio station MAC layer is carried out scanning after receiving this primitive.
(7) M_Scanning.confirmation primitive
1) function
M_Scanning.confirmation is used with transmission by mobile radio station MAC layer to carry out the primitive of the result of scanning to its upper management entity.Scanning result can comprise the message of broadcasting, and such as DL-MAP, FCH or neighbours' advertisement can determine whether to support MIH and whether support IS (information service) by its base station, and if like this, comprises this information (whether the MIH performance supports IS).If scan a plurality of base stations and transmit the information of this a plurality of base stations, can in a message, repeatedly comprise and transmit the information of a plurality of base stations, perhaps can transmit a plurality of message (sum of the base station of=scanning).
2) semanteme
M_Scanning.confirmation
{
The source,
The destination,
Object code,
BS?ID，
The MIH performance,
The Event Service of supporting,
The command service of supporting,
The IS support,
CINR，
RSSI
}
Following table shows the exemplary data format of M_Scanning.confirmation primitive.
[table 7]
3) formation time
Form M_Scanning.confirmation primitive with the result that transmits the scanning of carrying out by mobile radio station upper management entity to it.
Effect when 4) receiving
Under the situation that receives this primitive, the upper management entity of mobile radio station is identified for the handover of available base stations.
(8) M_ScanReport.request primitive
1) function
M_ScanReport.request is used for the primitive of the upper management entity indication mobile radio station reporting scanning result of mobile radio station to the base station.
2) semanteme
M_ScanReport.request
{
The source,
The destination
}
Following table shows the exemplary data format of M_ScanReport.
[table 8]
| Title | Type | Effective range | Describe |
| The source | The starting point of request | ||
| The destination | The impact point that request is sent to |
3) formation time
Form M-ScanReport.request so that the upper management entity of mobile radio station indication mobile radio station sends MOB_SCAN-REPORT message to the base station.
Effect when 4) receiving
Under the situation that receives M_ScanReport.request primitive, mobile radio station MAC layer sends MOB_SCAN-REPORT message to the base station.
(9) M_ScanReport.confirmation primitive
1) function
M_ScanReport.confirmation is that mobile radio station MAC layer uses, and after transmission MOB_SCAN-REPORT is to the base station, notifies this fact to give the primitive of its upper management entity.
2) semanteme
M_ScanReport.confirmation
{
The source,
The destination,
Object code
}
Following table shows the exemplary data format of M_ScanReport.confirmation primitive.
[table 9]
| Title | Type | Effective range | Describe |
| The source | The starting point of confirming | ||
| The destination | The impact point that affirmation is sent to | ||
| Object code | Indication is failed about the success of scan report transmission of messages |
3) formation time
M_ScanReport.confirmation forms so that mobile radio station MAC layer after the transmission scanning result is to the base station, notifies this fact to give the primitive of its upper management entity.
Effect when 4) receiving
The upper management entity of mobile radio station knows that mobile radio station finished the transmission of MOB_SCAN-REPORT message.
For realizing above-mentioned various feature, the present invention can adopt various types of hardware and/or software to form (module).For example, the different hardware module can comprise above-mentioned required various circuit and the assembly of step of carrying out method for scanning in BWA of execution.Simultaneously, different software module (being carried out by processor and/or other hardware) can comprise required various codes and the agreement of step of carrying out the inventive method.
For scanning (viewpoint of MAC), the invention provides a kind of execution method for scanning that is used for BWA, this method comprises: first primitive that receives the beacon scanning request from network control management system (NCMS); Under the situation that receives first primitive, carry out scanning; Second primitive relevant with the scanning of carrying out with transmission is to NCMS, and second primitive comprises Base Station Identification (BS-ID) thus.The sign of the base station that this BS-ID indication has scanned.This scan request comprises the duration of scanning.This second primitive comprises scanning result.This result indicates whether to exist any base station that sends wireless signal.This result comprises signal strength values.This signal strength values comprise among CINR and the RSSI at least one of them.Whether this result indicates the base station can support media independence handover (MIH) function.This MIH function comprises the information service of MIH at least.This first and second primitive is via one of them transmission at least in management service accessing points (M-SAP) and control service access point (C-SAP).This NCMS supports the management function of mobile radio station, and is as the layer in the independent community of management entity.This BS-ID is 48 long fields of identification base station, and this BS-ID is programmable, and the highest 24 are used as the operator identification.
For neighbours' indications (viewpoint of MSMAC), this method may further include: receive neighbours' advertisement information from base station media interviews controls (MAC) layer; Indicate relevant primitive to NCMS with transmission with neighbours, this neighbours' indication comprises at least one parameter in the group of forming below: operator ID, current BS MIH performance, current BS information service (IS) is supported, neighbours' number, neighbours BS ID, neighbours BS MIH performance, neighbours BS IS supports, the HO process optimization, usable radio resources and the mapping of MIH information bit.The mapping of MIH information bit comprises heterogeneous network information.Whether this heterogeneous network information indication heterogeneous network can carry out MIH.
For scanning (viewpoint of MIH), the invention provides a kind of execution method for scanning that is used for BWA, this method comprises: first primitive that sends the beacon scanning request is to network control management system (NCMS); With the second relevant primitive of scanning from NCMS reception and execution, second primitive comprises Base Station Identification (BS-ID) thus.The sign of the base station that this BS-ID indication has scanned.This scan request comprises the duration of scanning.This second primitive comprises scanning result.This result indicates whether to exist any base station that sends wireless signal.This result comprises signal strength values.This signal strength values comprise among CINR and the RSSI at least one of them.Whether this result indicates the base station can support media independence handover (MIH) function.This MIH function comprises the information service of MIH at least.This first and second primitive is via one of them transmission at least in management service accessing points (M-SAP) and control service access point (C-SAP).This NCMS supports the management function of mobile radio station, and is as the layer in the independent community of management entity.This BS-ID is 48 long fields of identification base station, and this BS-ID is programmable, and the highest 24 are used as the operator identification.
For neighbours' indications (viewpoint of MIH), this method may further include: receive from NCMS and indicate relevant primitive with neighbours, this NCMS receives the primitive that is used for neighbours' indication from mobile radio station media interviews controls (MAC) layer, and this mobile radio station media interviews controls (MAC) layer receives neighbours' advertisement information from the base station, this neighbours' indication comprises at least one parameter in the group of forming below: operator ID, current BS MIH performance, current BS information service (IS) is supported, neighbours' number, neighbours BS ID, neighbours BS MIH performance, neighbours BS IS supports, HO process optimization, usable radio resources and the mapping of MIH information bit.The mapping of MIH information bit comprises heterogeneous network information.Whether this heterogeneous network information indication heterogeneous network can carry out MIH.This method may further include: the unified interface that is established to the upper strata of mobile radio station is used for managing and the message of one of them at least from homogeneous network and heterogeneous network.
For scan schedule (viewpoint of MS MAC), the invention provides a kind of method that is used for the scan schedule of BWA, this method comprises: first primitive that receives the beacon scanning dispatch request from network control management system (NCMS); Transmission comprises that the scan request of scan schedule information is to base station media interviews controls (MAC) layer; Receive the scanning response from base station MAC layer; With the result's who sends the scan schedule that indication carries out second primitive to NCMS.The scan schedule of first primitive comprises duration scanning, scan iterations, the scanning start frame and interweave at interval at least one of them.The scan schedule of second primitive comprises duration scanning, scan iterations, the scanning start frame and interweave at interval at least one of them.
For neighbours' indications (viewpoint of MS MAC), this method may further include: receive from mobile radio station NCMS and indicate relevant primitive with neighbours, this NCMS receives the primitive that is used for neighbours' indication from mobile radio station media interviews controls (MAC) layer, and this mobile radio station media interviews controls (MAC) layer receives neighbours' advertisement information from the base station, this neighbours' indication comprises at least one parameter of the group of forming below: operator ID, current BS MIH performance, current BS information service (IS) is supported, neighbours' number, neighbours BS ID, neighbours BS MIH performance, neighbours BS IS supports, HO process optimization, usable radio resources and the mapping of MIH information bit.The mapping of MIH information bit comprises heterogeneous network information.Whether heterogeneous network information indication heterogeneous network can carry out MIH.
For scan schedule (viewpoint of BS MAC), the invention provides a kind of method that is used for the scan schedule of BWA, this method comprises: receive the scan request that comprises scan schedule information from mobile radio station media interviews controls (MAC) layer, send indication and received first primitive of scan schedule request to base station network control management system (NCMS); Receive second primitive that scan schedule has been carried out in indication from base station NCMS; Respond mobile radio station MAC layer with sending to scan.The scan schedule of this first primitive comprises duration scanning, scan iterations, the scanning start frame and interweave at interval at least one of them.The scan schedule of this second primitive comprises duration scanning, scan iterations, the scanning start frame and interweave at interval at least one of them.
For neighbours' indications (viewpoint of BS MAC), this method may further include: send neighbours' advertisement information to mobile radio station media interviews controls (MAC) layer, indicate relevant primitive to MS NCMS to allow MS MAC layer to send with neighbours, this neighbours' indication comprises at least one parameter of the group of forming below: operator ID, current BS MIH performance, current BS information service (IS) is supported, neighbours' number, neighbours BS ID, neighbours BS MIH performance, neighbours BS IS supports, the HO process optimization, usable radio resources and the mapping of MIH information bit.The mapping of MIH information bit comprises heterogeneous network information.Whether heterogeneous network information indication heterogeneous network can carry out MIH.
For scan schedule (viewpoint of MIH), the invention provides a kind of method that is used for the scan schedule of BWA, this method comprises: first primitive that sends the beacon scanning dispatch request is to NCMS; With second primitive that receives the result who carries out scan schedule from NCMS.This scan schedule comprises duration scanning, scan iterations, the scanning start frame and interweave at interval at least one of them.This first and second primitive is via one of them transmission at least in management service accessing points (M-SAP) and control service access point (C-SAP) and reception.
For neighbours' indications (viewpoint of MIH), this method may further include: receive from NCMS and indicate relevant primitive with neighbours, this NCMS receives the primitive that is used for neighbours' indication from mobile radio station media interviews controls (MAC) layer, and this mobile radio station media interviews controls (MAC) layer receives neighbours' advertisement information from the base station, this neighbours' indication comprises at least one parameter in the group of forming below: operator ID, current BS MIH performance, current BS information service (IS) is supported, neighbours' number, neighbours BSID, neighbours BS MIH performance, neighbours BS IS supports, HO process optimization, usable radio resources and the mapping of MIH information bit.The mapping of MIH information bit comprises heterogeneous network information.Whether heterogeneous network information indication heterogeneous network can carry out MIH.This method may further include: the unified interface that is established to the upper strata of base station is used for managing and the message of one of them at least from homogeneous network and heterogeneous network.
For scan report (viewpoint of MS MAC), the invention provides a kind of method that is used for the scan report of BWA, this method comprises: carry out scanning process; Receive first primitive of beacon scanning report request from mobile radio station network control management system (NCMS); Send scan report to the base station; Second primitive that report is confirmed with the transmission beacon scanning is to mobile radio station NCMS, and this scan report confirms to comprise the result of transmission scan report to the base station.This result indicates whether to exist any base station that sends wireless signal.This result comprises signal strength values.This signal strength values comprise among CINR and the RSSI at least one of them.Whether this result indicates the base station can support media independence handover (MIH) function.This MIH function comprises the information service of MIH at least.
For scan report (viewpoint of MIH), the invention provides a kind of method that is used for the scan report of BWA, this method comprises: first primitive that sends beacon scanning report request is to network control management system (NCMS); With second primitive that receives beacon scanning report affirmation from NCMS, this scan report confirms to comprise the result of transmission scan report to the base station.This result indicates whether to exist any base station that sends wireless signal.This result comprises signal strength values.This signal strength values comprise among CINR and the RSSI at least one of them.Whether this result indicates the base station can support media independence handover (MIH) function.This MIH function comprises the information service of MIH at least.This first and second primitive is via one of them transmission at least in management service accessing points (M-SAP) and control service access point (C-SAP).This method may further include: the unified interface that is established to the upper strata of mobile radio station is used for managing and the message of one of them at least from homogeneous network and heterogeneous network.
For SAP, the invention provides a kind of protocol architecture that is used for BWA, comprising: the protocol stack that comprises data and control plane and management plane; The network control management system (NCMS) of communicating by letter with protocol stack; Management service accessing points (M-SAP) and control service access point (C-SAP) to allow to send betwixt and receive primitive between protocol stack and NCMS; Be positioned on protocol stack and the NCMS to allow to send and receive via one or more MIH service access points betwixt medium independence handover (MIH) layer of primitive.
For the primitive that is stored among the MS, the invention provides a kind of mobile radio station, comprising: the protocol stack that comprises data and control plane and management plane; The network control management system (NCMS) of communicating by letter with protocol stack; Memory, it has stores therein and defines to carry a plurality of primitive of information between protocol stack and NCMS, with the relevant information of execution method for scanning that is used for BWA; With with protocol stack, the processor of NCMS and memory collaborative work, it is carried out by using primitive to carry out the method for scanning that is used for BWA.This mobile radio station may further include: be positioned on protocol stack and the NCMS allowing definition with at upper management entity and protocol stack, NCMS perhaps carries the upper management entity of the primitive of information between the two, and this information is relevant with support media independence handover.
For the primitive that is stored among the BS, the invention provides a kind of base station, comprising: the protocol stack that comprises data and control plane and management plane; The network control management system (NCMS) of communicating by letter with protocol stack; Memory, it has and is stored therein and defines to carry a plurality of primitive of information between protocol stack and NCMS, with the relevant information of execution method for scanning that is used for BWA; With with protocol stack, the processor of NCMS and memory collaborative work, it is carried out by using primitive to carry out the method for scanning that is used for BWA.This base station may further include: be positioned on protocol stack and the NCMS allowing definition with at upper management entity and protocol stack, NCMS perhaps carries the upper management entity of the primitive of information between the two, and this information is relevant with support media independence handover.
As for result of the present invention, when mobile radio station is carried out scanning by the primitive that uses the definition according to the present invention, can realize the accurate operation in the protocol stack layers.Therefore, because NCMS can communicate by letter with direct or indirect mode by using primitive with the MIH layer, can realize medium independence handover (MIH) process.
The embodiment of these specification descriptions multiple declaration of the present invention.The scope of claim is intended to cover various modifications and the equivalent arrangements of disclosed illustrative embodiment in the specification.Therefore, following claim should meet the modification of disclosed spirit of the present invention and protection range, equivalent structure, and feature here with covering according to reasonably wide explanation.
Claims (8)
1. method that is used to ask the sweep spacing of BWA, this method comprises:
Receive first primitive from the network control management system (NCMS) of mobile radio station, described first primitive is included in the sweep spacing information of mobile radio station;
Transmission comprises the scan request of described sweep spacing information to the base station;
Receive the scanning response from this base station; With
Send second primitive to this NCMS, described second primitive is included in the object information of the sweep spacing request of described mobile radio station execution.
2. the method for claim 1, wherein described sweep spacing information comprises duration scanning and destination.
3. the method for claim 1, wherein described object information comprises duration scanning and scanning start frame.
4. the method for claim 1, wherein, described NCMS docks with described entity by C-SAP or M-SAP, and described primitive is to be delivered to described NCMS (network control management system) via management SAP (M-SAP) or control SAP (C-SAP), and described NCMS can be delivered to described primitive the position of the necessity that comprises the upper management entity.
5. method that is used to ask the sweep spacing of BWA, this method comprises:
Receive the scan request that comprises sweep spacing information from mobile radio station by the base station;
Send the base station network control management system (NCMS) of first primitive to described base station, described first primitive comprises described sweep spacing information;
Receive second primitive from the NCMS of this base station, described second primitive comprises the object information of the sweep spacing request of execution; With
The scanning that transmission comprises described object information responds mobile radio station.
6. method as claimed in claim 5, wherein, this sweep spacing information comprises duration scanning.
7. method as claimed in claim 5, wherein, this object information comprises duration scanning and scanning start frame.
8. method as claimed in claim 5, wherein, described NCMS docks with described entity by C-SAP or M-SAP, and described primitive is to be delivered to described NCMS (network control management system) via management SAP (M-SAP) or control SAP (C-SAP), and described NCMS can be delivered to described primitive the position of the necessity that comprises the upper management entity.
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| KR10-2005-0024695 | 2005-03-24 | ||
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| KR10-2006-0020225 | 2006-03-03 | ||
| KR1020060020225 | 2006-03-03 | ||
| KR1020060020225A KR101165637B1 (en) | 2005-03-24 | 2006-03-03 | Method of transferring primitives for scanning in braodband wireless access system |
| PCT/KR2006/001086 WO2006101367A1 (en) | 2005-03-24 | 2006-03-24 | Method of executing scanning in broadband wireless access system |
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| CN101147338B true CN101147338B (en) | 2011-05-11 |
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| KR100986141B1 (en) | 2007-06-29 | 2010-10-07 | 삼성전자주식회사 | Apparatus and method for supporting handover in broadband wireless communacation system |
| KR102018663B1 (en) * | 2013-06-11 | 2019-09-05 | 에스케이텔레콤 주식회사 | Base station apparatus and control method thereof |
| KR102018697B1 (en) * | 2013-06-12 | 2019-09-05 | 에스케이텔레콤 주식회사 | Base station apparatus and control method thereof |
| CN104856468A (en) * | 2014-02-21 | 2015-08-26 | 赵百华 | Round table with foldable chairs |
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| FI104680B (en) | 1997-01-09 | 2000-04-14 | Nokia Mobile Phones Ltd | Method for analyzing neighbor cell data in a cellular network and mobile station |
| US6542490B1 (en) | 1999-01-29 | 2003-04-01 | Nortel Networks Limited | Data link control proctocol for 3G wireless system |
| US6542741B2 (en) | 1999-07-01 | 2003-04-01 | Ericsson, Inc. | Method of establishing an adaptive public neighbor cell list for mobile stations of a private cellular system |
| KR100943901B1 (en) | 2003-08-19 | 2010-02-24 | 엘지전자 주식회사 | Method of Sharing Radio Protocol Entity for Broadcasting and Multicast |
| AU2004303041B2 (en) * | 2003-09-04 | 2008-07-24 | Samsung Electronics Co., Ltd. | System and method for selecting a serving base station according to a drop of a mobile subscriber station in a broadband wireless access communication system |
| KR100689508B1 (en) * | 2003-09-04 | 2007-03-02 | 삼성전자주식회사 | Method for performing handover in a communication system |
| JP2005101788A (en) * | 2003-09-24 | 2005-04-14 | Sony Corp | System and apparatus of radio communication |
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- 2006-03-24 CN CN2006800089131A patent/CN101147338B/en not_active Expired - Fee Related
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| TW200642399A (en) | 2006-12-01 |
| CN101147338A (en) | 2008-03-19 |
| IL185876A (en) | 2013-05-30 |
| TWI369109B (en) | 2012-07-21 |
| JP2008533942A (en) | 2008-08-21 |
| IL185876A0 (en) | 2008-01-06 |
| JP4619434B2 (en) | 2011-01-26 |
| KR20060103105A (en) | 2006-09-28 |
| KR101165637B1 (en) | 2012-07-17 |
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