WO2008131692A1

WO2008131692A1 - Resource distributing method and wireless network system in communication system

Info

Publication number: WO2008131692A1
Application number: PCT/CN2008/070821
Authority: WO
Inventors: Bo Lin; Xijun Xue; Jie Ma
Original assignee: Huawei Technologies Co., Ltd.
Priority date: 2007-04-29
Filing date: 2008-04-28
Publication date: 2008-11-06
Also published as: CN101296475B; CN101296475A

Abstract

A resource distributing method and a wireless network system in a communication system, increase the utilization rate of wireless resources in the system. In the case that there is at least a partial overlap in the coverage areas of the first wireless network system and the second wireless network system controlling different physical resources, the controlled physical resources are cooperatively distributed by the first wireless network system and the second wireless network system. The shared physical resources may be the physical resources which is pre-distributed to one of the wireless network systems but not used currently. When the distributed shared physical resources are released, the opposing wireless network system is informed. The wireless network system may be: a system comprising a wireless network controlled and a base station node of a traditional network; or a system comprising an evolutional base station node of an evolutional high-speed data access network; or a system comprising an evolutional base station node of an long term evolutional network.

Description

Resource allocation method in communication system and wireless network system

TECHNICAL FIELD The present invention relates to the field of wireless communications, and in particular, to a technology for allocating physical resources. Background technique

In 2006, the 3rd Generation Partnership Project (3GPP) passed the High Speed Packet Access (HSPA) evolution research project, HSPA's evolution network architecture (called HSPA+ network) based on packet domain (PS) service, will provide high bit rate user rate and shorter call delay for PS service; circuit for current third generation mobile communication (The Third Generation, referred to as "3G") system The domain (CS) service will no longer be optimized. In the HSPA+ network, the radio network controller (Radio Network Controller, referred to as "RNC") functions of the existing 3G system are all placed on the evolved HSPA base station node (NodeB+). On the connection with the core network, as shown in FIG. 1, from the perspective of the control plane, the NodeB+ is directly connected to the Serving GPRS Support Node (SGSN) through the control interface of the Iu-PS; From the perspective of the user plane, NodeB+ can be connected to the gateway GPRS Support Node (GGSN) through the SGSN through the user plane of the Iu-PS, or through a single tunnel approach. Directly connected to the GGSN. Since there is no user plane connection between the NodeB+ and the core network (Core Net, referred to as "CN") node of the CS in the HSPA+ network, such as the Mobile Switching Center (Mobile Switching Center) "MSC") / Visit Location Register (VTR), so the CS service cannot be provided separately. In order to have backward compatibility, that is, to support CS services, it is necessary to implement interconnection between an HSPA+ network supporting PS services and a legacy network supporting both PS and CS services. According to the above situation, there are two types of existing HSPA+ network deployment scenarios. As shown in Figure 2, Figure 2 (a) is an HSPA+ independent deployment scenario. In this scenario, the NodeB+ supports only PS services. The NodeB+ accesses the core network. The CS service still needs to access the core network through the NodeB and RNC of the traditional network. The lur interface exists between the NodeB+ and the RNC of the traditional network. Figure 2 (b) is the HSPA+ carrier frequency sharing deployment scenario. In the scenario, the NodeB+ of the HSPA+ network supports the air interface access of the PS service and the CS service. The PS service can directly access the core network through the NodeB+. The CS service needs to be accessed by the NodeB+ and the RNC of the traditional network. The NodeB+ and the RNC are connected. There is an Iub/Iur interface between them. In addition, the HSPA+ independent deployment scenario and the HSPA+ carrier-frequency shared deployment scenario can also exist together in one network. FIG. 3 shows a schematic diagram of a network structure in which two scenarios are combined. It can be seen that in the prior art, in order to support the CS service, the NodeB+ of the HSPA+ network and the base station node (NodeB) of the legacy network cover the same area. For the independent deployment scenario, the NodeB+ of the HSPA+ network can only support the PS service, and is mainly deployed in some hotspot areas. The CS service support is also supported by the traditional RNC and the NodeB. Therefore, in order to support the CS and PS services at the same time, usually A geographical area covered by the NodeB+ in the independent deployment scenario should also be covered by the NodeB controlled by the traditional RNC. The NodeB+ and NodeB use different frequencies, and there is no co-channel interference between them. For the carrier-frequency shared deployment scenario, the NodeB+ of the HSPA+ network can only support the PS service, while the support for the CS service is also supported by the NodeB+ and the traditional RNC, or through the traditional network NodeB. And RNC, therefore, in order to support both CS and PS services, the NodeB+ in the carrier-frequency sharing deployment scenario should be connected to the RNC of the traditional network. The NodeB+ is a NodeB upgrade, using the original NodeB radio resources, and the coverage is the original NodeB. Coverage. The inventors of the present invention have found that for NodeB+ and NodeB with overlapping coverage, each uses

The frequency resources used by NodeB+ and NodeB are specified and cannot match the load conditions of devices in the actual service process. Therefore, there may be: One party's service is very idle, its frequency resources are vacant, and the other party's service is very Busy, the frequency of resources is not enough to use. For example, when the PS service on NodeB+ is very idle, the utilization rate of the frequency point is not high; at this time, the NodeB is very busy and the resources are not enough, which results in unreasonable resource utilization and low utilization of frequency resources. SUMMARY OF THE INVENTION The main technical problem to be solved by embodiments of the present invention is to provide a resource allocation method and a wireless network system in a communication system, so that the utilization rate of wireless resources in the system can be improved. To solve the above technical problem, an embodiment of the present invention provides a resource allocation method in a communication system, where a first wireless network system and a second wireless network system that control different physical resources are at least partially overlapped in coverage. The method comprises the following steps: The first wireless network system and the second wireless network system negotiate to allocate physical resources controlled by the second wireless network system. Embodiments of the present invention also provide a wireless network system that at least partially overlaps with other wireless network systems. The wireless network system includes: a negotiation unit, configured to perform resources with other wireless network systems. Distribution negotiation; And an allocating unit, configured to allocate physical resources controlled by the wireless network system and other wireless network systems according to the result of the negotiation. Compared with the prior art, the main effect of the embodiment of the present invention is that: the shared physical resource can be dynamically allocated between multiple wireless network systems with overlapping overlays, and the physical resources can be reasonably determined according to factors such as the load of the wireless network system. Allocation, avoiding the shortage of resources of some wireless network systems, and the problem of idle resources of another part of the wireless network system, improving the utilization of physical resources. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic diagram of a connection between a NodeB+ and a core network in an HSPA+ network in the prior art; FIG. 2 is a schematic diagram of two deployment scenarios of a HSPA+ network in the prior art; FIG. 3 is a schematic diagram of two HSPA+ networks in the prior art. 4 is a schematic diagram of a resource allocation method in a communication system according to a first embodiment of the present invention; and FIG. 5 is a schematic diagram of a wireless network system according to a fourth embodiment of the present invention.

DETAILED DESCRIPTION OF THE EMBODIMENTS In order to make the objects, technical solutions, and advantages of the present invention more comprehensible, the embodiments of the present invention will be further described in detail with reference to the accompanying drawings. A first embodiment of the present invention relates to a resource allocation method in a communication system. In this embodiment, a first wireless network system negotiates with a second wireless network system, and allocates the controlled physical resources according to the negotiation result. The first wireless network system and the second wireless network system have at least part of the coverage Coincidence, because physical resources can be dynamically allocated between overlapping wireless network systems, so physical resources can be allocated reasonably according to factors such as the load of the wireless network system, to avoid a part of the wireless network system resources are not enough, and another part of the wireless The problem of idle network resources is improved, and the utilization of physical resources is improved. In the present embodiment, the wireless network system is negotiated. The case where the coverage is at least partially overlapped in the embodiment of the present invention means that one wireless network system has a part of coverage with another wireless network system. Or all coincident. The wireless network system referred to in the embodiment of the present invention is a logical concept. In a real network, the wireless network system may be a system including a radio network controller RNC and a base station node NodeB in a traditional network; or may include evolved high-speed data. A system for accessing an evolved base station node NodeB+ in a network HSPA+; or a system including an evolved base station node eNodeB in a long term evolution network LTE. The following is an example in which the wireless network system is a conventional network system, and the second wireless network system is an HSPA+ network system. The negotiation process is performed between the NodeB+ of the HSPA+ network and the RNC of the legacy network. The information exchanged during the negotiation may include the requested physical resource, the load information of the two parties, the frequency point information, the code resource information, the cell information, the RNC/NodeB+ information, the cell capacity, and the like. The specific process is as shown in FIG. 4. In step 401, when there are physical resources that are not currently used on the NodeB+ (that is, there are physical resources that can be allocated to the RNC), the NodeB+ sends an indication to the RNC of the traditional network that these can be allocated to Information about the physical resources of the RNC, which is called available resource information. The available resource information may also include time information available for the physical resources. At the same time, the load condition of the NodeB+ can also be sent to the RNC. In this step, the timing at which the NodeB+ sends the available resource information may be periodic or event triggered. For example, NodeB+ can periodically (such as every 5 seconds) that this NodeB+ is not enabled. The information of the used physical resource is sent to the RNC; or when the event is triggered, if the available resource information changes, or when the NodeB+ receives the RNC query request, the information indicating the physical resource that the NodeB+ can allocate to the RNC is sent to The RNC. There are many ways to use it, it is very flexible and convenient. It should be noted that the physical resource may include one or any combination of the following: a frequency resource, a code resource, and a subcarrier resource; the code resource includes at least a scrambling resource and/or a channelization code resource. In step 402, when the RNC needs to use at least one physical resource indicated by the available resource information, the RNC sends a request message requesting the physical resource to the NodeB+. The request message may specifically include the requested physical resource, the time of request for use, and the allocation of the physical resource to the NodeB or the cell. In step 403, after receiving the request message, the NodeB+ determines whether the physical resource requested by the request message is currently available for use by the RNC. If it can be allocated for use by the RNC, proceed to step 404 to return a response that the physical resource can be used to the RNC, and then proceed to step 405. If the requested physical resource is currently occupied or partially occupied, then step 406 is entered, and information about other physical resources that can be allocated to the RNC on the NodeB+ (ie, available resource information) is returned to the RNC, and then proceeds to step 407. In step 405, the requested physical resource can be allocated to the RNC for use. After receiving the response that the physical resource can use, the RNC allocates the physical resource to the NodeB controlled by the NodeB, and the NodeB and the NodeB+ have at least partial coverage. The area coincides. In addition, the RNC can also return a confirmation message to the NodeB+. Or, in step 404, after returning the response that the physical resource can be used to the RNC, the NodeB+ may directly allocate the physical resource to the corresponding cell of the NodeB that is controlled by the RNC and needs to use the resource, in this case, In step 405, the RNC no longer needs to allocate the physical resource to The NodeB it controls. In addition, the RNC can return an acknowledgment message directly to the NodeB+. In step 407, the requested physical resource is currently occupied by all or part of the RNC. After receiving the other available resource information returned by the NodeB+, the RNC allocates the physical resource indicated by the available resource information to the NodeB controlled by the RNC. The NodeB and the NodeB+ have at least part of the coverage area, and the RNC can also return an acknowledgement message to the NodeB+. Or, in step 406, after returning the other available resource information to the RNC, the NodeB+ directly allocates the other physical resource to the cell corresponding to the NodeB that is controlled by the RNC and needs to use the physical resource, in this case, in step 407. The RNC no longer needs to allocate this physical resource to the NodeB it controls. In addition, the RNC can return an acknowledgment message directly to the NodeB+. It should be noted that, if the physical resource requested by the RNC is currently occupied or partially occupied, the above step 406 is only one of the processing methods. In fact, instead of using the method described in step 406, the RNC may return a response message that the requested physical resource cannot be allocated to the RNC. After receiving the response, the RNC performs step 402 again. The NodeB+ sends a request message requesting other physical resources. In this embodiment, the physical resources that can be allocated to the RNC on the NodeB+ are physical resources that are controlled by the NodeB+ but are not currently used. By negotiating and utilizing the resources, the utilization of the wireless resources in the system can be improved. In step 408, after the NodeB releases the allocated physical resource, the RNC notifies the information of the released physical resource of the NodeB+, so that the physical resource can be used by the NodeB+ to prevent the resource from being vacant due to the information being out of synchronization. After receiving the notification, the NodeB+ can return a confirmation message. In addition, in step 408, if the allocated physical resource is released at the NodeB controlled by the RNC Previously, the load information of the NodeB+ changed. For example, if the service becomes very busy, the request for the resource needs to be used. After receiving the request, the RNC releases the occupied physical resources and returns the physical resources to the NodeB+. This ensures that resource sharing and resource utilization are achieved without affecting the resource usage of NodeB+ itself. In addition, if the NodeB+ controls a certain physical resource but does not use it for a long time, it can also send a physical resource idle message to the RNC, and inform the RNC that the physical resource can be used by the RNC without sending a request message requesting the physical resource. After receiving the physical resource idle message, the RNC may send a response message to the NodeB+ indicating the usage of the idle physical resource. This can also be seen as a way to negotiate the allocation of physical resources. The flow is described below in conjunction with a specific example. For example, in an independent deployment scenario, NodeB+12 and RNC25 control NodeB25 cover the same cell, and NodeB+12 reserves a part of resources in advance and notifies RNC25 of the information of this part of resources. Alternatively, the NodeB+12 may periodically communicate to the RNC 25, for example, every 5 seconds, "the information of its own available resources, that is, the physical resources that can be allocated to the RNC on the NodeB+ 12. The terminal initiates the CS service, and the NodeB+12 from the common control channel. (Common Control Channel, abbreviated as "CCCH") receives the corresponding RRC Connect Request. After checking the request to determine the CS domain, it forwards it to the RNC 25 through the Iur interface.

The RNC 25 decides to accept the request, but the current load of the NodeB 25 controlled by the RNC 25 is large, so the RNC 25 starts to request the corresponding resource from the NodeB+12 in the following manner: The RNC 25 selects the required resource information according to the information previously notified by the NodeB+12. Resources, send the minimum requirements of the selected resources and the required resources of the RNC25 through the RL Setup Request message. Give NodeB+12. The NodeB+12 determines that the resource selected by the RNC 25 has been completely or partially occupied, so that the NodeB+12 automatically allocates resources according to the minimum requirement indicated in the radio link setup request message, and establishes a wireless chain for the terminal on the NodeB+12. Road, and get downlink synchronization. At the same time, the NodeB+12 returns a radio link setup response (RL Setup Request) message to the RNC 25, and carries the information of the physical resource re-allocated by the NodeB+12 in the radio link setup response message. By sharing physical resources that are not currently used on the NodeB+12, the utilization of radio resources in the system can be improved, and the resource shortage of the RNC25 can be alleviated. In the above process, as shown in the shaded portion of Table 1, the RNC 25 includes the uplink scrambling code, the minimum length of the uplink channel coding, the maximum number of uplink dedicated physical data channels, and the Uu port (RNC and terminal) in the radio link setup request. The maximum rate and guaranteed rate of the inter-interface) indicates the minimum requirements for the selected resource and the resources required by the RNC 25.

Inormaton

Table 1 Table 2 shows the specific contents of the maximum rate and guaranteed rate of the Uu port in Table 1.

Generic Traffic BIT STRING (8)

Category Bit String (8)

M

Universal transmission category

>Maximum Bit M 1 to INTEGER Desc: This IE indicates the

Rate

<nbr-Separ (L.16,000,000) maximum number of bits delivered ateTrafficD integer by UTRA and to UTRA at a SAP maximum rate

Irrections> (0..16,000,000) within a period of time, divided by the duration of the period.

The unit is: bit/s

This information element indicates the maximum number of bits transmitted from the access network to the access network over a period of time.

Its unit is: bit / sec

Usage:

When nbr-SeparateTrafficDirections is equal to 2, then Maximum Bit Rate attribute for downlink is signalled first, then Maximum Bit Rate attribute for uplink

>Guaranteed Bit C-iftraff O to INTEGER Desc: This IE indicates the

Rate icConv- <nbr-Separ (0..16,000,000) guaranteed number of bits delivered

Stream ateTrafficD integer at a SAP within a period of time

Irrections> (0..16,000,000) (provided that there is data to

The unit is: bit/s This information element indicates the number of guaranteed bits transmitted from the access network to the access network over a period of time.

Its unit is: bit / sec

Usage:

When

nbr-SeparateTrafficDirections is equal to 2, then Guaranteed Bit Rate for downlink is signalled first, then Guaranteed Bit Rate For uplink

Delay and reliability attributes only apply up to the guaranteed bit rate

Conditional valuefor the case of Support Mode for pre-defined SDU sizes:

Set to highest not rate controllable bitrate, where bitrate is either

- one of the RAB subflow combination bitrate IEs (when present)

Or

- one of the calculated values given when dividing the compound Subflow combination SDU sizes by the value of the IE Maximum SDU Size and then multiplying this result by the value of the IE Maximum Bit Rate. Table 2 Similarly, as in the shaded part of Table 3 shown, the NodeB + 12 through a radio link setup response message includes the uplink scrambling code, the uplink channel coding minimum length, the maximum number of uplink dedicated physical data channel, indicating NodeB + 12 physical resource reallocation information ₍

>Limited Power Increase M

>Inner Loop DL PC M

Status

DCH Information M

M

RL Information l.. <ma

Response xnoofR

Ls>

>RL ID M

>RL Set ID M

>Received Total Wide M

Band Power

>CHOICE Diversity M

Indication

>> Combining

»>RL ID M

»Non Combining or

First RL

»>DCH Information M

Response

»>E-DCH FDD 0

Information Response

>Not Used 0

>SSDT Support M

Indicator

>DL Power Balancing 0

Activation Indicator

>E-DCH RL Set ID 0

>E-DCH FDD DL 0

Control Channel

Information

>Initial DL DPCH 0

Timing Adjustment

Criticality Diagnostics 0

HS-DSCH Information 0

Response Table 3 This embodiment mainly describes the method for the RNC of the traditional network to allocate idle resources on the NodeB+ of the evolved network by negotiation. Correspondingly, the NodeB+ can also share the idle resources on the RNC in the same way. The second embodiment of the present invention also relates to a resource allocation method in a communication system, which is substantially the same as the first embodiment. The difference is that in the first embodiment, the NodeB+ actively sends available resource information to the RNC, that is, the NodeB+ can The information of the physical resource allocated to the RNC, the RNC selects the physical resource according to the available resource information, and sends a request message requesting the selected physical resource to the NodeB+. In the embodiment, the RNC directly needs to use the physical resource. Sending a request message requesting a physical resource to the NodeB+, the NodeB+ selects a specific physical resource allocated to the RNC, and returns a response message, where the response message includes a physical resource allocated for use by the RNC. The present embodiment is described below with reference to a specific scenario. In this embodiment, the information exchange between the NodeB+ and the RNC can be implemented by using the information exchange process of the Iur interface. Specifically, since the information exchange start request (Information EXCHANGE INITIATION REQUEST) message is mainly used for exchanging information between the Universal Mobile Telecommunications System (UMTS) and GSM in the prior art. In this embodiment, an evolved HSPA network cell (HSPA+ Cell) is added to the message, and the part of the traditional network cell (UTRAN Cell), as shown in the shaded part of Table 4, enables the message to be used for the evolved HSPA (ie HSPA+) network. Communication between a cell and a legacy network cell. Moreover, in the information type (Information Type) of the information interaction start request, the information type Item is added with two types of information types: a request resource, and a return resource, and optionally, a confirmation resource type may be added. . At the same time, the use range of this field is removed, as shown in the shaded part of Table 5.

Table 4 IE/Group Name Presence Range IE Type Semantics Description Information element/group name exists range and semantic description

Reference

IE type and

Parameter

Infoinuition l ypc Item M ENUMER

Information type item ATED This section is removed.

(UTRAN

Access

Point

Position

With

Altitude,

UTRAN

Access

Point

Position,

IPDL

Parameter

s,

GPS

Informatio

n,

DGPS

Correction

s,

GPS RX

Pos,

SFN-SFN

Measurem

Ent

Reference

Point

Position,

Cell

Capacity

Class,

NACC

MBMS

Bearer

Service

Full

Address,

Inter-frequ Ency Cell

Informatio

n, request

Resource,

Request resource

Return

Resource,

Returning resources

Confirm

Resource

Identify resources

)

GPS Information C-GPS L.<maxnoofGP

STypes>

>GPS Information ENUMER

Item ATED

(GPS

Navigatio

n Model

And Time

Recovery,

GPS

Lonospheri

c Model,

GPS UTC

Model,

GPS

Almanac,

GPS

Real-Time

Integrity,

...)

In implementation, the requesting party sends an INFORMATION EXCHANGE INITIATION REQUEST message to the RNC, such as NodeB+, where the Information Type Item is set to request the resource, and NodeB+ also assigns a Transaction ID to it. After receiving the message, the receiving party judges according to its own load information, capability, and the like. If there is currently a pre-allocated but unused physical resource that can be provided to the NodeB+, the RNC returns a message interaction start response to the NodeB+. ( INFORMATION EXCHANGE INITIATION RESPONSE ) message, as shown in Table 6. The available resource information, such as the frequency band or scrambling code information that can be allocated to the NodeB+, is indicated in the Requested Data Value field of the message, as shown in Table 7. The Transaction ID of the message is the same as in the INFORMATION EXCHANGE INITIATION REQUEST message. By sharing the physical resources that are not currently used on the RNC, the utilization of wireless resources in the system can be improved, and the shortage of NodeB+ resources can be alleviated. After the NodeB+ service ends and the physical resource is released, the INFORMATION EXCHANGE INITIATION REQUEST message is sent to the RNC again. The Transaction ID of the message is the same as the first sent message, and the Information Type Item is set to return the resource; the RNC receives the message. After that, according to the Transaction ID, it can be determined that the NodeB+ needs to return the physical resource; afterwards, the RNC can return the INFORMATION EXCHANGE INITIATION RESPONSE message to the NodeB+ again, the Transaction ID is unchanged, the Information Type Item is set to confirm the resource, and the NodeB+ is notified to the RNC to accept the physics. Resources. After the allocated physical resource is released, the NodeB+ notifies the corresponding RNC of the released physical resource information, so that the physical resource can be used by the RNC to prevent the resource from being vacant due to the information being out of synchronization. This embodiment mainly describes a method for the NodeB of the evolved network to share the idle resources on the RNC of the legacy network. Correspondingly, the RNC can also share the idle resources on the NodeB+ in the same manner. In addition, the present embodiment can be applied to any of the following two wireless network systems, except for the RNC and the NodeB+: a system composed of a RNC and a NodeB of a conventional network, a NodeB+ system of an HSPA+ network, an eNodeB system of an LTE network, and other wireless technologies. Network system, etc. Between the RNC and the RNC including the traditional network, between the NodeB+ and the NodeB+ of the HSPA+ network, between the eNodeB and the eNodeB of the LTE network, and between other wireless network systems, only the coverage areas of the two are at least partially heavy. Can be combined,

Table 6

The third embodiment of the present invention also relates to a resource allocation method in a communication system, which is substantially the same as the first and second embodiments, except that in the first and second embodiments, the eNodeB+ and the RNC directly pass the lur. The /Iub interface performs information exchange to complete the negotiation. In the present embodiment, the eNodeB+ The information exchange with the RNC through a third-party device completes the negotiation. The third-party device may be an SGSN of the core network, and performs information negotiation through the Iu interface with the SGSN to complete the negotiation. A fourth embodiment of the present invention relates to a wireless network system. As shown in FIG. 5, the wireless network system overlaps with other wireless network systems at least partially. The wireless network system includes: a negotiation unit, configured to The other wireless network system performs resource allocation negotiation; and the allocating unit is configured to allocate the physical resources controlled by the wireless network system and the other wireless network system according to the result of the negotiation. The physical resources allocated by negotiation can be dynamically allocated among multiple wireless network systems with overlapping overlays. The physical resources can be allocated reasonably according to the load of the wireless network system, etc., to avoid the shortage of resources of some wireless network systems, and the other part. The problem of idle resources of the wireless network system improves the utilization of physical resources. The negotiating unit and the allocating unit described above may be included in a base station controller of the wireless network system. The wireless network system may be a system including a radio network controller and a base station node in a legacy network; or a system including an evolved base station node in an evolved high speed data access network; or, including an evolved base station node in a long term evolution network system. The application scenario of the embodiment of the present invention is more common because the two wireless network systems have a partial coverage overlap. The foregoing physical resources include at least one of the following: a frequency point resource, a code resource, and a subcarrier resource; the code resource includes at least one of the following: a scrambling code resource, a channelization code resource. The negotiating unit may further include: a requesting subunit, configured to send a request message requesting physical resources to the other wireless network system; and a first receiving subunit, configured to receive a response message from the other wireless network system, where the response message may be Contains information about the physical resources available to the wireless network system. The negotiating unit may further include: a second receiving subunit, configured to receive from the other wireless network a request message for requesting a physical resource of the system; a first sending subunit, configured to return a response message to the other wireless network system, where the response message may include information of a physical resource available to the other wireless network system; And a determining subunit, configured to determine whether the physical resource requested by the request message is currently used by the wireless network system, and if the determination result is no, instructing the first sending subunit to return the response message to the other wireless network system. The negotiating unit may further include: a second sending subunit, configured to return the physical resource requested by the request message to the other wireless network system when the first determining subunit determines that at least part of the physical resource requested by the request message is currently used by the wireless network system a response message that the physical resource cannot be allocated; or, the second sending subunit, when the first determining subunit determines that at least part of the physical resource requested by the request message is currently used by the wireless network system, to the other wireless network system Returns information about other physical resources that can be assigned to the other wireless network system. The negotiating unit may further include: an assignable resource indicating unit, configured to send information to the other wireless network system indicating physical resources that the wireless network system can allocate to the other wireless network system. The timing at which the allocatable resource indicating unit transmits the information that the local wireless network system can allocate to the physical resources of the other wireless network system is one of the following: when receiving the query request of the other wireless network system; or, periodically timing When the device completes a timing period; or, the wireless network system can be assigned to the other wireless network system when the physical resource changes, it is very flexible. It should be noted that the foregoing units are all logical units, and may be in different physical units when implemented, or combined in the same physical unit. In summary, in the embodiment of the present invention, when the first wireless network system and the second wireless network system that control different physical resources overlap at least partially in coverage, the first wireless network system and the second wireless The network system negotiates to allocate the physical resources it controls. Since physical resources can be dynamically allocated between multiple wireless network systems with overlapping overlays, it can be based on the load of the wireless network system. Other factors make reasonable allocation of physical resources, avoiding the shortage of resources of some wireless network systems, and the problem of idle resources of other wireless network systems, improving the utilization of physical resources. The wireless network system may be a system including a radio network controller and a base station node in a legacy network; or a system including an evolved base station node in an evolved high speed data access network; or, including an evolved base station node in a long term evolution network system. The application scenario of the embodiment of the present invention is more common because the two wireless network systems have a partial coverage overlap. At the time of negotiation, information of an assignable physical resource, that is, a physical resource that can be allocated to another wireless network system but is not currently used, can be transmitted from one wireless network system to another wireless network system; When the physical resource included in the received information is used, requesting the first wireless network system for the physical resource to be used, if the first wireless network system determines that the physical resource can be allocated for use by the second wireless network system, the result of the negotiation The physical resource may be allocated, if the first wireless network system determines that the physical resource is at least partially unusable, the result of the negotiation is that the physical resource cannot be allocated to the second wireless network system, thereby ensuring that the physical resource is not misused The physical resource being used. Each wireless network system may not send available resource information to the other party, but when the wireless network system of the opposite party requests physical resources from the wireless network system, the physical resources available to the other party are determined autonomously, which makes the wireless network system better. The resource may be allocated periodically; the available resource information may be periodically sent to the other party, and the other party selects the resource to be used according to the available resource information, and requests the selected resource from the wireless network system, so that the wireless network system of the opposite party can Choose the most appropriate resource. After the physical resource obtained through the negotiation distribution is released, a release notification is sent to the wireless network system of the opposite party, so that the physical resource can be used by the wireless network system of the opposite party, thereby further improving the presence of the system. Utilization of line resources. The inventors of the present invention have found that this method can be extended to other communication systems, and as long as the coverage has overlapping portions, the radio resources of the communication system can be coordinated and re-used in the overlapping portion to achieve reuse. For different communication systems, the wireless resources may be information such as frequency, code, power, and the like. While the invention has been illustrated and described with reference to the preferred embodiments embodiments The spirit and scope of the invention.

Claims

Rights request

A resource allocation method in a communication system, characterized in that, in a case where a first wireless network system and a second wireless network system for controlling different physical resources are at least partially overlapped in coverage, the method includes the following steps The first wireless network system and the second wireless network system negotiate to allocate physical resources for their control.

The resource allocation method in a communication system according to claim 1, wherein the first wireless network system and/or the second wireless network system are: comprising a radio network controller and a base station node in a legacy network a system; or a system including an evolved base station node in an evolved high speed data access network; or a system including an evolved base station node in a long term evolution network.

The resource allocation method in the communication system according to claim 1, wherein the physical resource includes at least one of: a frequency point resource, a code resource, and a subcarrier resource; and the code resource includes at least one of the following: : Scrambling resources, channelization code resources.

The method for allocating resources in a communication system according to claim 1, wherein the first wireless network system and the second wireless network system negotiating and distributing physical resources controlled by the first wireless network system include: The second wireless network system sends a request message requesting a physical resource; if the physical resource requested by the first wireless network system is not currently used by the second wireless network system, the second wireless network system is Said first wireless network system returns a response message, The response message includes information of physical resources available to the first wireless network system; the first wireless network system allocates the physical resource after receiving the response that the physical resource can use; or The second wireless network system allocates the physical resources available to the first wireless network system to the first wireless network system.

The method for allocating a resource in a communication system according to claim 4, wherein the first wireless network system sends a request message requesting a physical resource to the second wireless network system: The wireless network system sends a radio link setup request message to the second radio network system, where the radio link setup request message includes at least one of the following information: uplink scrambling code information, uplink channel coding minimum length, and uplink dedicated physical data. a maximum number of channels, downlink coding information; the manner in which the second wireless network system returns a response message to the first wireless network system is: the second wireless network system sends a wireless link establishment to the first wireless network system The response message includes at least one of the following information in the radio link setup response message: uplink scrambling code information, minimum length of the uplink channel coding, and maximum number of uplink dedicated physical data channels.

The method for allocating a resource in a communication system according to claim 4, wherein the first wireless network system sends a request message requesting a physical resource to the second wireless network system: The wireless network system sends an information interaction start request message to the second wireless network system, where the message includes a transaction identifier, and the information type item field in the message is set as the request resource; the second wireless network system is configured to The manner in which the wireless network system returns a response message is: the second wireless network system returns an interaction start response message to the first wireless network system, Included in the message with the same transaction identifier as in the information interaction start request message, including the physical resource available to the first wireless network system in the requested data value field of the exchange start response message information.

The method for allocating resources in a communication system according to claim 4, wherein after the second wireless network system returns a response message to the first wireless network system, the method further includes: the first wireless network system The second wireless network system transmits an acknowledgement message indicating receipt of the response message.

The method for allocating resources in a communication system according to claim 1, wherein the first wireless network system and the second wireless network system negotiate to allocate physical resources controlled by the first wireless network system, including: the first wireless network system The second wireless network system sends a request message requesting a physical resource; if at least part of the physical resource requested by the first wireless network system is used by the second wireless network system, the second wireless network system The first wireless network system returns a response message that the physical resource may not be allocated to the first wireless network system; the first wireless network system sends a request message requesting other physical resources to the second wireless network system Or the second wireless network system returns to the first wireless network system other information that may be allocated to physical resources used by the first wireless network system; the first wireless network system may assign the other Physical resources are allocated; or, the second wireless network system can assign the other to Said first physical resource allocated to the wireless network system of the first wireless network system.

The method for allocating resources in a communication system according to claim 1, wherein the first wireless network system and the second wireless network system negotiate to allocate physical resources controlled by the second wireless network system, including: the second wireless network system The first wireless network system sends a physical resource idle message indicating that the second wireless network system can allocate physical resources used by the first wireless network system; the first wireless network system receives After the physical resource is the idle message, the physical resource is allocated; or the second wireless network system allocates the idle physical resource to the first wireless network system.

The method for allocating resources in a communication system according to claim 9, wherein after the second wireless network system sends a physical resource idle message to the first wireless network system, the first wireless network system The second wireless network system transmits a response message indicating usage of the idle physical resource.

The resource allocation method in a communication system according to claim 4 or 8, wherein before the step of the first wireless network system transmitting a request message requesting a physical resource to the second wireless network system, The second wireless network system transmits information to the first wireless network system that can be allocated to physical resources of the first wireless network system.

The resource allocation method in a communication system according to claim 11, wherein the second wireless network system sends the physical indication that the second wireless network system can be allocated to the first wireless network system The timing of the information of the resource is one of the following: upon receiving the query request of the first wireless network system; or The periodic timer completes a timing period; or the second wireless network system can allocate a physical resource change to the first wireless network system.

The method for allocating resources in a communication system according to claim 1, wherein after the step of the first wireless network system and the second wireless network system negotiating the physical resources that are controlled by the first wireless network system, the method includes: a wireless network system notifying information of a physical resource released by the second wireless network system after the allocated physical resource is released; or the first wireless network system receiving a release from the second wireless network system The request of the allocated physical resource releases the allocated physical resource.

The method for allocating resources in a communication system according to claim 13, wherein the first wireless network system notifies the information of the physical resources released by the second wireless network system: The network system sends an information interaction start request message to the second wireless network system, where the request message includes a transaction identifier, and the information type item field in the message is set as a return resource.

The resource allocation method in a communication system according to claim 1, wherein the first wireless network system and the second wireless network system negotiate to allocate physical resources controlled by the third party device.

16. A wireless network system, the wireless network system at least partially overlapping with other wireless network systems, wherein the wireless network system comprises: a negotiating unit, configured to perform resource allocation negotiation with the other wireless network system; and an allocating unit, configured to allocate, according to the result of the negotiation, a physical resource controlled by the local wireless network system and the other wireless network system.

17. The wireless network system according to claim 16, wherein the wireless network system is a system including a radio network controller and a base station node in a legacy network; or comprises an evolved base station in an evolved high speed data access network. a system of nodes; or a system comprising evolved base station nodes in a long term evolution network.

The radio network system according to claim 16, wherein the physical resource includes at least one of: a frequency point resource, a code resource, and a subcarrier resource; and the code resource includes at least one of the following: a scrambling code Resources, channelization code resources.

The wireless network system according to claim 16, wherein the negotiating unit further comprises: a requesting subunit, configured to send a request message requesting a physical resource to the other wireless network system; And for receiving a response message from the other wireless network system.

The wireless network system according to claim 16, wherein the negotiating unit further comprises: a second receiving subunit, configured to receive a request message requesting physical resources from the other wireless network system; a sending subunit, configured to return a response message to the other wireless network system;

a first determining subunit, configured to determine whether the physical resource requested by the request message is currently The line network system uses, if the determination result is no, instructing the first sending subunit to return the response message to the other wireless network system. The negotiating unit further includes: a second sending subunit, configured to: when the first determining subunit determines that the physical resource requested by the request message is at least partially used by the wireless network system, to the other wireless network Returning, by the system, a response message that the physical resource cannot be allocated; or when the first determining subunit determines that at least part of the physical resource requested by the request message is currently used by the wireless network system, to the other wireless network system Returns information about other physical resources that can be assigned to the other wireless network system.

The wireless network system according to claim 16, further comprising: an assignable resource indicating unit, configured to send, to the other wireless network system, an indication that the wireless network system can be allocated to the other wireless network system Information about physical resources.

The wireless network system according to claim 21, wherein the time at which the allocatable resource indicating unit transmits the information that the local wireless network system can allocate to the physical resources of the other wireless network system is as follows One: upon receiving an inquiry request from the other wireless network system; or when the periodic timer completes a timing period; or when the physical network resource that the local wireless network system can allocate to the other wireless network system changes.