CN101253708B

CN101253708B - For distributing method and the mobile station of CDMA Channel

Info

Publication number: CN101253708B
Application number: CN200680031704.9A
Authority: CN
Inventors: 金暎埈; 庆讚浩; 安淙会
Original assignee: LG Electronics Inc
Current assignee: LG Electronics Inc
Priority date: 2005-09-02
Filing date: 2006-09-01
Publication date: 2016-12-14
Anticipated expiration: 2026-09-01

Abstract

A kind of method of the CDMA Channel being applicable to mobile communication system for distribution, described mobile communication system performs communication by using two or more CDMA Channels, said method comprising the steps of: for each active sector corresponding with specific mobile station, distribute CDMA Channel (that is, frequency distribution) independently so that each active sector is allocated at least one CDMA Channel；And the CDMA Channel distributed by use sends grouped data.

Description

For distributing method and the mobile station of CDMA Channel

Technical field

The present invention relates to the method for distributing CDMA Channel, more particularly to for for each active sector independently The method of distribution CDMA Channel.

Background technology

HRPD (HRPD) is at a high speed, large-capacity data transmission and wireless (radio) that optimize connects Enter the standard of technology.HRPD system application CDMA (CDMA) technology and time division multiplexing (TDM) technology are mobile to allow Platform sends data.Accordingly, because the message transmission rate of the improvement of HRPD system and capacity, therefore it can be led in various technology The application in territory provides content of multimedia, such as, wireless Internet access, real-time road traffic information, wireless live broadcasts, electricity Shadow, game etc..

In order to send Large Volume Data with higher speed, when the CDMA Channel more than one to a mobile assignment Time (frequency distribution), Nx HRPD system sends multiple packets.That is, a kind of method by using multicarrier to send packet is used.

According to correlation technique, by using multicarrier to send in the system of packet, distribute identical for active sector CDMA Channel (frequency distribution).That is, divide according to serving sector (it the most sends grouped data to specific mobile station) It is problematic for joining the identical mode of CDMA Channel to every other sector distribution CDMA Channel (frequency distribution), because from wireless It is inefficient from the viewpoint of radio resource management.

Additionally, in the related, when the CDMA Channel (FA) that data are distributed by use sends when, do not determine Which in many CDMA Channels (FA) whether should be used for sending control message.But, because control signal is considered ratio Business datum more importantly, so needing to send this control signal in a more efficient way.

Summary of the invention

Have been developed for the present invention to solve the problems referred to above of correlation technique.Therefore, the invention provides a kind of for Effective manner distribution CDMA in each active sector in the mobile communication system of such as HRPD (HRPD) system The method of channel (frequency distribution).Among the allocated cdma channels, one can be selected and use it for sending control signal.

Accompanying drawing explanation

Fig. 1 shows the example sending and receiving message according to one embodiment of the present invention between mobile station and base station The flow chart of property process.

Fig. 2 shows the embodiment of the active sector according to one embodiment of the present invention, this active sector have from Four sectors of three communities.

Fig. 3 shows and distributes CDMA Channel according to one embodiment of the present invention in the way of for each sector independence (frequency is distributed: the embodiment of method FA).

Detailed description of the invention

One aspect of the present invention is that the present inventor to the problem of correlation technique that is above-mentioned and that be described in more detail below and lacks The understanding of point.It is based on the recognition, has been developed for inventive feature.

In order to solve the problem of correlation technique, the invention provides a kind of for distribution be applicable to mobile communication system The method of CDMA Channel (frequency distribution), wherein this mobile communication system is logical by using two or more CDMA Channels to perform Letter, the method comprises the following steps: for each active sector corresponding with specific mobile station, distribute CDMA Channel independently (frequency distribution) is so that each active sector is allocated at least one CDMA Channel (frequency distribution)；And distributed by use CDMA Channel (frequency distribution) send grouped data.

By the following description of in conjunction with the accompanying drawings, it is better understood with various features and the aspect of the present invention.With reference to attached Figure, will describe some illustrative embodiments of the present invention.

Fig. 1 shows the flow process of the example process sending and receiving message according to the present invention between mobile station and base station Figure.

With reference to Fig. 1, base station sends information to mobile station, and this information and the frequency that can process high speed data rate services are divided The sum joining (FA) (or CDMA Channel) is relevant.Here, relevant with the sum of CDMA Channel (FA) information can be via fan District's parameter message sends (S11).

Table 1 below illustrates the embodiment of the Sector Parameter Message used in the present invention.

[table 1]

Field	Length (position)
		MessageID	8
CountryCode	12
		SectorID	128
SubnetMask	8
		[…]
Channelcount	5

There is Channelcount in following field:

Channelcount

24

[…]

Retain

0-7 (as required)

Referring again to Fig. 1, if mobile station changes to connection status from idle pulley, if or when being in connection status Active sector list is updated, then mobile station sends the information relevant with active sector to base station.Can disappear via routing update Breath sends the information (S12) relevant with active sector.

It should be noted that, a community may be typically divided into three regions (part).One active sector can be determined Justice is one or more region of single subdistrict, or the group in one or more region of two or more different districts Close.One active sector is properly termed as having the strongest link to mobile station.Such active sector is defined as allowing quickly Community selects.

When using fast cell to select (FCS) when, this terminal (mobile station) recommends downlink packet transfer Good community, and signaled to network.The determination of best cell may be not only based on radio propagation condition, but can To consider available resources (such as, the power of the community in the middle of active set and code space).The actual reality selected in fast cell Whether existing aspect, be particularly determined aspect, no to the community of next downlink packet transfer at terminal or network Same wireless system is discrepant each other.Such as, in CDMA 2,000 1 × EV-DO, network follows the recommendation of terminal, and In CDMA 2,000 1 × EV-DV, network is additionally contemplates that available resources are determined.

Table 2 below illustrates the embodiment of the routing update message according to the present invention.

[table 2]

Field	Length (position)
		MessageID	8
MessageSequence	8
		ReferencePilotPN	9
ReferencePilotStrength	6
		ReferenceKeep	1
NumPilots	4

There is NumPilots in following field:

Field	Length (position)
		PilotPNPhase	15
ChannelIncluded	1
		Channel	0 or 24
PilotStrength	6
		Keep	1
Retain	Variable

Referring again to Fig. 1, once receiving the information relevant with active sector via routing update message, base station is just to movement Platform sends CDMA Channel (FA) the distribution information for sending grouped data.This CDMA Channel (FA) distribution information can be via industry Business channel assignment message and sent (S13).

Table 3 below illustrates the embodiment of traffic channel assignment message.

[table 3]

Field	Length (position)
		MessageID	8
MessageSequence	8
		ChannelIncluded	1
Channel	0 or 24
		FrameOffset	4
DRCLength	2
		DRCChannelGainBase	6
ACKChannelGain	6
		NumPilots	4

Hereinafter record and NumPilots occur:

PilotPN	9
		SofterHandoff	1
MACIndexLSBs	6
		DRCCover	3
RABLength	2
		RABOffset	3
RAChannelGainIncluded	0 or 1

There is NumPilots in following field:

RAChannelGain

0 or 2

MACIndexMSBsIncluded

0 or 1

There is NumPilots in following field:

MACIndexMSB	0 or 1

DSCChannelGainBase	0 or 5

Following field occurs 0 or N, and wherein N is the number of the SoftHandoff field being set to " 0 " within the message.

DSC	0 or 3
		Retain	Variable

As seen from Table 3, many fields with different length (position) use in the traffic channel assignment for specifying Various parameters.Some in these fields will be illustrated by the context of the non-limiting example described thereafter. Those of ordinary skill in the art still are able to be expressly understood the specific fields being not described in.

Fig. 2 shows the embodiment of the active sector according to one embodiment of the present invention, this active sector have from Four sectors of three communities.But, this is only exemplary, because the number of community and sector can become as desired Change.

Fig. 3 shows and distributes CDMA Channel according to one embodiment of the present invention in the way of for each sector independence (frequency is distributed: the embodiment of method FA).Fig. 3 illustrates how three CDMA Channels (FA) are distributed to four active sector One illustrative methods.

In the embodiment of Fig. 2 and 3, the active sector for mobile station has the first sector, the second sector, the 3rd fan District and the 4th sector (that is, sector 1 to 4).As it is shown on figure 3, CDMA Channel can be distributed independently for each active sector (FA).I.e., it is possible to distribute FA 1 and FA 2 for sector 1, and distribute FA 2 and FA 3 for sector 2.It should be noted that, for The sum of the CDMA Channel (FA) of each active sector distribution is probably different.That is, as it is shown on figure 3, can for sector 1 and 2 With distribution two CDMA Channels (FA) altogether, single CDMA Channel (FA) can be distributed for sector 3, and can for sector 4 With distribution total of three CDMA Channel (FA).

From the viewpoint of CDMA Channel (frequency distribution), FA 1 is assigned to sector 1,3 and 4, and FA 2 is assigned to fan District 1,2 and 4, and FA 3 is assigned to sector 2 and 4.

As it has been described above, when distributing CDMA Channel (FA) independently for each active sector when, pre-set permissible The sum of the CDMA Channel (FA) distributed for all active sector, and channel based on each sector or loading condition, The number of CDMA Channel (FA) to be allocated is may determine that among the sum of CDMA Channel (FA).Although Fig. 3 depicts pin Single sector is distributed the illustrative methods of continuous CDMA Channel (FA), but can be according to discontinuous mode by such as FA 1 He The CDMA Channel (FA) of FA 3 distributes to single sector.

If as it has been described above, CDMA Channel (FA) is independently assigned to each active sector, then need to send out to mobile station Send and distribute relevant information with CDMA Channel (FA).FA distribution information to be sent can include and the whole CDMA that can distribute Information that channel (FA) is relevant and the information relevant with the CDMA Channel to each sector to be allocated (FA) or with distribute to The information that the sector of each CDMA Channel (FA) is relevant.This FA distribution information can be sent out via traffic channel assignment message Send.

Table 4 below shows the embodiment of traffic channel assignment message.

[table 4]

Field	Length (position)
		MessageID	8
MessageSequence	8
		[…]
NumSectors	3
		NumForwardChannels	4
[…]

………………………………………………………

Following SectorInformation records there is NumSectors:

[…]
		PilotPN	9
DRCCover	3
		[…]

…………………………………………………

Following ActiveSetParameters record ((includes from the beginning of AssignedChannel AssignedChannel) and end at MACIndex (including MACIndex)) NumForwardChannels occurs:

{

The channel of distribution	0 or 24
		[…]
NumAssignedSectors	3

Hereinafter record and NumAssignedSectors occur:

{

AssignedSectorIndex	3
		[…]
TrafficMACIndex	3
		[…]
MACIndex	0 or 8

}

[…]
		Retain	Variable

Traffic channel assignment message can include specific mobile station active sector distribution information and with activity to be distributed to The information that the CDMA Channel (FA) of sector is relevant.

In the embodiment illustrated in table 4, NumSectors field represents and the active sector for specific mobile station The information that current number is relevant.NumForwardChannels field represents the CDMA Channel (FA) distributing to all active sector Sum.

Additionally, traffic channel assignment message can include the information relevant with each small active area (that is, with Pilot PN code and The DRC of each active sector covers relevant information).In the embodiment of table 4, the information relevant with PN code is by using PilotPN field represents, and the information relevant with DRC covering is by using DRCCover field to represent.

It addition, traffic channel assignment message can comprise the letter relevant with distributing to each CDMA Channel (FA) active sector Breath.That is, in the embodiment being shown in Table 4, AssignedChannel field refers to specific CDMA Channel (FA).Additionally, NumAssignedSectors refers to distribute to the number of the sector of specific CDMA Channel (FA).Further, relevant with active sector The quantity (number) of information corresponding to the sum of active sector.Additionally, in the embodiment of table 4, AssignedSectorIndex field represents the active sector distributing to this specific CDMA Channel (FA), and TrafficMACIndex field refers to the index with the packet service of the mobile station that CDMA Channel (FA) is assigned.MAC rope Draw the MAC index referring to that the power with the reverse link that CDMA Channel (FA) is assigned controls.

As the embodiment of table 4, based on specific CDMA Channel (FA), traffic channel assignment message can include and have The each active sector of specific CDMA Channel (FA) relevant information is assigned (that is, in table 4 AssignedSectorIndex～MACIndex), and with there is each active fan that specific CDMA Channel (FA) is assigned The information (that is, AssignedSectorIndex～MACIndex in table 4) that district is relevant.

By making in aforementioned manners, traffic channel assignment message comprises each CDMA Channel (FA) (that is, in table 4 AssignedChannel～NumAssignedSectors) the information relevant with CDMA Channel (FA), and divided with having Joined the relevant information in the active sector of CDMA Channel (FA) (that is, the AssignedSectorIndex in table 4～ MACIndex)。

By using the traffic channel assignment message shown in table 4, the method for such as Fig. 2 and 3 can be expressed as CDMA Channel (FA) distribution method.

Having, firstly, because exist, four active sector that FA is assigned, the value of NumSectors field is 4.Due to The sum of the FA of distribution is 3, and therefore the value of NumForwardChannels field is 3.Each in four active sector Including having PilotPN field and the active sector information of DRCCover field.

Additionally, first, including the AssignedChannel field value corresponding with FA 1.Owing to FA 1 is assigned to fan District 1, sector 3 and sector 4, therefore the value of NumAssignedSectors field is 3.Meanwhile, including AssignedSectorIndex field～MACIndex field value, with the sum corresponding to having the sector that FA 1 is assigned. That is, AssignedSectorIndex field～MACIndex field are included for sector 1, sector 3 and sector 4.

It addition, include the AssignedChannel field value corresponding with FA 2.Owing to FA 2 is assigned to sector 1, fan District 2 and sector 4, the value of NumAssignedSector field is 3.Meanwhile, including AssignedSectorIndex field～ MACIndex field value, with the sum corresponding to having the sector that FA 2 is assigned.That is, for sector 1, sector 2 and sector 4 Including AssignedSectorIndex field～MACIndex field.

It addition, include the AssignedChannel field value corresponding with FA 3.Owing to FA 3 is assigned to sector 2 He Sector 4, the value of NumAssignedSector field is 2.Meanwhile, including AssignedSectorIndex field～MACIndex Field value, with the sum corresponding to having the sector that FA3 is assigned.That is, include for sector 2 and sector 4 AssignedSectorIndex field～MACIndex field.

As mentioned above, although the sector that traffic channel assignment message can utilize with each CDMA Channel (FA) distributes is relevant Information represent, its information that the CDMA Channel (FA) distributed with each sector can also be utilized relevant represents.

As the result of the present invention, (frequency is distributed: FA) to be suitable for each active sector to distribute CDMA Channel independently Condition, and therefore, it is possible to more efficiently use radio resource.

A kind of method that the invention provides CDMA Channel being applicable to mobile communication system for distribution, wherein this moves Communication system is by using two or more CDMA Channels to perform communication, and the method comprises the following steps: according to independent side Formula distribution CDMA Channel, described distribution is to perform, the most often for each active sector corresponding with specific mobile station Individual active sector is respectively allocated at least one CDMA Channel；And use the frequency distribution of described distribution to send packet count According to.

The method can also comprise the following steps: sends a message, and this message includes and two channels in more channels Relevant information and the information relevant with having the active sector that CDMA Channel is assigned.This message can be business letter Road assignment messages.This traffic channel assignment message can include the information relevant with active sector number and CDMA Channel number. Traffic channel assignment message can also include PilotPN information and the DRC coverage information relevant with each active sector.Business is believed Road assignment messages can also include the information relevant with each CDMA Channel and one or more is assigned with having The information that the active sector of CDMA Channel is relevant.Traffic channel assignment message can also include the letter relevant with each active sector Breath and the information relevant with each CDMA Channel distributing to each active sector.Mobile communication system can be Nx high speed Rate block data system.A CDMA Channel can be selected from the CDMA Channel of multiple distribution and use it for sending forward chain Road control signal.

Additionally, the present invention is directed to mobile station to provide a kind of CDMA Channel being applicable to mobile communication system for distribution Method, this mobile communication system is by using two or more CDMA Channels to perform communication, and the method comprises the following steps: First group of CDMA Channel is distributed in the first sector for the active sector of mobile station；The second sector for the active sector of mobile station is divided Join second group of CDMA Channel；And the CDMA Channel distributed by use sends packet.

The method can also comprise the following steps: sends the Traffic Channel including the information relevant with the CDMA Channel of distribution Assignment messages.Traffic channel assignment message may include that Part I, and it includes and small active area number and CDMA Channel number Relevant information；Part II, it includes the information of each active sector；And Part III, it includes believing for each CDMA The information of the active sector of road distribution.Traffic channel assignment message may include that Part I, and it includes and small active area number The information relevant with CDMA Channel number；Part II, it includes the information of each active sector；And Part III, its bag Include the information of the CDMA Channel distributed for each active sector.The method can also comprise the following steps: updates and includes active fan The active sector list in district；And transmission traffic channel assignment message, wherein said traffic channel assignment message includes for updating After the information of CDMA Channel of active sector distribution.A CDMA Channel can be selected also from the CDMA Channel of multiple distribution Use it for sending forward link control signal.

Additionally, a kind of method that the invention provides CDMA channel being applicable to mobile communication system for distribution, should Mobile communication system is by using two or more CDMA Channels to perform communication, and the method comprises the following steps: receives and includes The traffic channel assignment message of the information relevant with CDMA Channel, wherein this CDMA Channel is for corresponding with specific mobile station The CDMA Channel that distributes independently of each active sector；And according to the traffic channel assignment message received, by using CDMA Channel receives grouped data from base station.

Additionally, the invention provides a kind of mobile station, this mobile station includes: be suitable to utilize mobile communications network send and connect The transceiver of the collection of letters number；And processor, this processor is suitable to the information relevant with Traffic Channel via transceivers base In receive information by using this Traffic Channel to receive grouped data via transceiver from network, wherein this Traffic Channel be by The Traffic Channel that network distributes independently for each active sector corresponding with mobile station.

Active sector may refer to one or more region of single subdistrict, or two or more different districts The combination in one or more region, and wherein active sector has to the strongest link of mobile station and allows fast cell to select Select.This information can receive from network via the message representing traffic channel assignments.This processor can collaborative with transceiver with Receiving message from network, this message represents the sum of the CDMA Channel that can process high speed data rate services, is wherein receiving This reception is performed before representing the message of traffic channel assignments.If mobile station changes to connection status from idle pulley, or If have updated active sector list in connected state, then in response to the message representing CDMA Channel sum received, place Reason device can be collaborative with transceiver to send the message including active sector information to network, is wherein receiving expression Traffic Channel This transmission is performed before the message of distribution.Mobile communications network can be cdma network, and Traffic Channel is CDMA Channel.By Network is that each active sector is selected independently a Traffic Channel among the Traffic Channel of multiple distribution and uses it for connecing Receive control signal.

It should be noted that, the These characteristics of the present invention refers at least to 3GPP2 standard.That is, 3GPP2TSG-C WG3C.S0024-B and relevant chapters and sections and the improvement various the most under development partly and to the present invention thereof belong to this Bright.The invention is characterized in that by using particular term and labelling to describe.However, it is possible to it is expressly understood that, this labelling It is only exemplary with other terms, and therefore can be changed as result that is ongoing or that discuss in the future (or illustrating after a while).

Additionally, inventive feature can be implemented in various product.One non-limiting embodiments is to support cdma2000 The mobile station of 1x EV-DO HRPD Rev.B and/or network.However, it is possible to it is expressly understood that, it is also possible to there is other enforcement Mode.

Present specification describes the various exemplary embodiment of the present invention.The scope of claim is intended to explanation The various amendments of the illustrative embodiments disclosed in book and equivalence are arranged.Therefore, following right should the most broadly be explained Require to contain the amendment of the spirit and scope meeting invention disclosed herein, equivalent structure and feature.

Claims

1. the method being applicable to the CDMA Channel of mobile communication system for distribution, this mobile communication system is by using Two or more CDMA Channels perform communication, and the method comprises the following steps:

The traffic channel assignment message comprising the information relevant with CDMA Channel distribution is sent from base station,

The wherein said information relevant with CDMA Channel distribution is for servicing multiple sectors of described mobile station in multiple communities In each sector independent assortment CDMA Channel,

Wherein said information include MessageID field, message sequence field, NumSectors field and NumForwardChannels field,

Active sector in wherein said multiple sector is the combination in one or more region of multiple community,

Wherein said NumSectors field represents the number of described active sector, and described traffic channel assignment message is also wrapped Include PilotPN information and the bit-rate control coverage information relevant with each active sector；And

Wherein said NumForwardChannels field is for representing the sum of the CDMA Channel distributing to all active sector； And

According to the traffic channel assignment message sent, CDMA Channel based on distribution sends packet count from described base station to mobile station According to.

Method the most according to claim 1, described method is further comprising the steps of:

Send a message, this message include the information relevant with two channels in more channels and be assigned The information that the active sector of described CDMA Channel is relevant.

Method the most according to claim 1, wherein said traffic channel assignment message also include be assigned one or The information that the active sector of more CDMA Channels is relevant.

Method the most according to claim 1, described mobile communication system is multi-carrier high-speed rate block data system.

Method the most according to claim 1, wherein selects a CDMA Channel among the CDMA Channel of multiple distribution also Use it for sending forward link control signal.

6. the method being applicable to the CDMA Channel of mobile communication system for distribution, this mobile communication system is by using Two or more CDMA Channels perform communication, and the method comprises the following steps:

Wherein said information includes NumSectors field and NumForwardChannels field,

Wherein said NumSectors field represents the number of described active sector, and described traffic channel assignment message is also wrapped Include PilotPN information and the bit-rate control coverage information relevant with each active sector, and

7. the method being applicable to the CDMA Channel of mobile communication system for distribution, described mobile communication system is by making Perform communication with two or more CDMA Channels, said method comprising the steps of:

The traffic channel assignment message comprising the information relevant with CDMA Channel distribution is received at mobile station,

According to the traffic channel assignment message received at described mobile station, CDMA Channel based on distribution receives packet from base station Data.

8. a mobile station, this mobile station includes:

Transceiver, its be configured to from base station receive comprise the information relevant with CDMA Channel distribution traffic channel assignment message,

Processor, it is configured to allow described receptor according to the traffic channel assignment message received, CDMA letter based on distribution Road receives grouped data from described base station.

Mobile station the most according to claim 8, wherein said processor is collaborative with transceiver to disappear to receive from described base station Breath, this message represents the sum of the CDMA Channel that can process high speed data rate services, is wherein receiving expression Traffic Channel Described reception is performed before the described message of distribution.

Mobile station the most according to claim 9, wherein said processor is collaborative with described transceiver to send out to described base station Send the message of the information including described active sector, before receiving the described message representing traffic channel assignments, wherein perform institute State transmission.

11. mobile stations according to claim 10, wherein in response to the message representing CDMA Channel sum received Perform described transmission.

12. mobile stations according to claim 11, if the most described mobile station changes to connection status from idle pulley, If or have updated active sector list in connected state, then would perform described transmission.

13. mobile stations according to claim 8, wherein by described base station for each active sector from the industry of multiple distribution A Traffic Channel it is selected independently among business channel and uses it for receiving a control signal.