WO2013143105A1 - 无线资源竞价及分配方法、相关装置及系统和基站设备 - Google Patents
无线资源竞价及分配方法、相关装置及系统和基站设备 Download PDFInfo
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- WO2013143105A1 WO2013143105A1 PCT/CN2012/073268 CN2012073268W WO2013143105A1 WO 2013143105 A1 WO2013143105 A1 WO 2013143105A1 CN 2012073268 W CN2012073268 W CN 2012073268W WO 2013143105 A1 WO2013143105 A1 WO 2013143105A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
Definitions
- Radio resource bidding and distribution method related device and system, and base station device
- the present invention relates to the field of wireless technologies, and in particular, to a radio resource bid and allocation method, related apparatus and system, and a base station device. Background technique
- the macroscopic spectrum resource allocation among multiple operators' heterogeneous wireless networks can be seen as a game between multiple operators with overlapping coverage areas: operators with lower traffic load will lease their spectrum resources to other operators. In contrast, carriers with higher loads will lease spectrum resources from other operators to provide service support to users of the network.
- the operator renting the spectrum resource is called the leaser
- the network of the renter is called the renter network
- the operator renting the spectrum resource is called the renter
- the network of the renter is called the lease network. Due to the different user behaviors in heterogeneous wireless networks, the traffic load and spectrum resource requirements in different wireless networks vary greatly. Therefore, spectrum resource transactions are an effective way to optimize spectrum resource utilization and profitability of operators in heterogeneous wireless networks.
- the spectrum resources are usually allocated by static allocation.
- the embodiments of the present invention provide a radio resource bidding and allocation method, a related device, a system, and a base station device, which are used to ensure the validity of radio resource utilization while allocating radio resources to multiple operators through a price-based method. Improve the fairness of wireless resource allocation.
- An embodiment of the present invention provides a radio resource bidding method, including:
- the bid vector is adjusted according to a preset utility function until the bid vector of all rented network owners renting the radio resource reaches a Nash equilibrium state.
- the number of radio resources allocated for each rented network is determined according to the obtained bids of each rented network.
- a wireless resource bidding device comprising:
- a first determining unit configured to separately determine an initial bid for a radio resource provided by each rental network, and form an initial bid for a radio resource provided by each rental network to form a bid price
- a obtaining unit configured to obtain a bidding vector of a wireless resource provided by each renting network provider for each rental network; an adjusting unit, configured to adjust the bidding vector according to a preset utility function until all leases of the wireless resource are rented The bidder's bidding vector reaches the Nash equilibrium state.
- a wireless resource allocation device includes:
- an obtaining unit configured to obtain, by each of the rented network providers, a bid of the wireless resource to be allocated when the bidding vector provided by all the rented network providers reaches a Nash equilibrium state, and the rented network provider determines, by using the wireless resource surrogating device, the Bid for wireless resources;
- an allocating unit configured to determine, according to the obtained bids of each rented network, the number of wireless resources allocated for each rented network.
- a base station apparatus comprising: the above-mentioned radio resource bidding apparatus including a first determining unit, an obtaining unit, and an adjusting unit, and/or the above-mentioned radio resource allocating apparatus including an obtaining unit and an allocating unit.
- a radio resource allocation system including a first base station device and a second base station device, where the first base station device is configured with the radio resource scoring device including the first determining unit, the obtaining unit, and the adjusting unit, and the second base station
- the above-described wireless resource allocation device including the obtaining unit and the allocating unit is provided in the device.
- each rented network user separately determines a bid for the wireless resource provided by each rental network, and the plurality of bids thus obtained constitute a bid vector, and obtains the rented wireless
- the bidding vector of the other renting network of the resource and adjusting the bidding vector according to the preset utility function until the bidding vector of all rented networkers reaches the Nash equilibrium state, so that the bidding vectors of each renting network are mutually constrained, It is possible to control the bidding vector of each rented network within a reasonable range, and avoid the bidding of some rented network owners.
- the method and device for allocating radio resources allocates radio resources to each rented network according to the bidding vector of the rented network to reach the bid of the radio resource in the Nash equilibrium state, because in the Nash equilibrium state, each leased network
- the utility of the user is at a relatively high level, thus ensuring the effectiveness of wireless resource utilization.
- the bidding vector of each rented network is within a reasonable range, the bidding of some rented network providers is avoided.
- the allocation of too many wireless resources improves the fairness of resource allocation.
- FIG. 1 is a schematic structural diagram of a wireless resource transaction model according to an embodiment of the present invention.
- FIG. 2 is a schematic flowchart of an implementation process of a radio resource bidding method according to an embodiment of the present invention
- FIG. 3 is a schematic flowchart of an implementation process of a radio resource allocation method according to an embodiment of the present invention.
- the embodiment of the present invention provides a radio resource bid and allocation method, Related devices and systems and base station devices.
- radio resource bidding and allocation method provided by the embodiments of the present invention is particularly applicable to the price allocation of spectrum resources.
- FIG. 1 it is a schematic diagram of the structure of a wireless resource transaction model, in which there are w leased network providers and a rental network.
- the network renter is the player in the game. Every renter needs to rent wireless resources to this rental network.
- These wireless resources are used to provide business support to users who rent network partners and to help renters to gain profits.
- the wireless resource transaction can be performed periodically, which is called the transaction cycle.
- the trading cycle can be based on the characteristics of the heterogeneous network (can be set to half an hour or other) and can be flexibly adjusted according to the situation.
- the renter network in the embodiment of the present invention needs to rent one of its wireless resources to the rental network.
- the embodiment of the present invention provides a radio resource bidding method, as shown in FIG. 2, which is a schematic diagram of an implementation process of a radio resource bidding method, including the following steps:
- S201 Determine initial bids for radio resources provided by each rental network, and initial bids for radio resources provided by each rental network to form a bid price
- x y is defined as the bid of the radio resource provided by the renter network (1 ⁇ i ⁇ m) to the rental network I ⁇ j ⁇ n
- x t ( ⁇ ⁇ , ,. . ⁇ ⁇ ) is the bidding vector for the rented network, representing the bid of the rented network for the wireless resources provided by all rental networks.
- the rental network allocates resources to each of the rented networkers based on the bidding vector provided by the renting network.
- the network matching coefficient of the leased network 1 to the wireless resource of the rental network 1 is 0.2.
- the network matching coefficient of the radio resource of the leased network 2 is 0,
- the network matching coefficient of the radio resource of the rented network 3 is 0.6, etc.
- the rented network owner will own funds
- the total amount is allocated proportionally, so that an initial bid can be provided for each wireless resource provided by the rental network, and the initial bid provided by each rented networker constitutes the initial bidding vector.
- the rental is based on the rented network.
- the network match factor of the network determines the initial bid.
- the initial bid price of the renter 1 is ⁇ 60 , 40 ⁇ .
- the leased network of the leased network since the leased network of the leased network has the same coverage between the leased network, the leased network is relatively close in geographical distance, so each leased network can pass a dedicated channel.
- the bidding vectors of the wireless resources provided to each rental network are exchanged with each other.
- the bidding strategy of each rented network is to maximize their utility.
- the bids between all rented networkers interact with each other and dynamically adjust the bidding vector based on the behavior of other rented networkers to maximize their utility.
- the obtained wireless resources account for the proportion of wireless resources that the rental network j can provide.
- the renter has different degrees of "preference" to the wireless resources provided by different rental networks, such as the linear utility function ⁇ ⁇ ..., ⁇ + ⁇ +...+ ⁇ , where w tJ is the leased network
- the network matching coefficient with the rental network ⁇ indicates the degree of preference of the rented network to the wireless resources of the rental network j.
- the renter network has different network matching coefficients for the wireless resources provided by different leases.
- FDD's Global System of Mobile communication GSM
- GSM Global System of Mobile communication
- the use and allocation, and the frequency band of the TDD system network is often isolated and scattered, and it is easy to introduce the interference problem between the uplink and downlink channels. Therefore, the GSM network (tenant network 1) prefers the spectrum resources of the WCDMA network (rental network 1) rather than the spectrum resources of the TD-SCDMA network (rental network 2), ie wsammlung > w u .
- each rented networker constantly adjusts its own bidding vector to achieve a stable state, so that all rented networkers no longer have the desire to change the bidding vector.
- Each leased network thinks that its utility has been optimized, and the bidding vector of each rented network is the best response to other rented networkers, which reaches the Nash equilibrium state. Describe in mathematical language, that is: For any other bid vector X; ⁇ , there are ⁇ / ! 0 1 ,” ⁇ repet ! ) ⁇ / ! 0 1 ,” ⁇ )(where ( , . . ⁇ repet !
- the utility of renting network 1 is maximized.
- the obtained wireless resources account for the rental network.
- the radio resource allocation is performed according to a preset algorithm.
- the algorithm When the algorithm is running, it is required to determine when the game reaches the Nash equilibrium state, that is, a criterion for determining the convergence of the algorithm.
- a criterion based on utility gap can be obtained, that is, when the difference between two utility functions obtained by two leased network players in two consecutive games is less than a certain smaller threshold £, the spectrum allocation process is considered to have reached Nash. Equilibrium state.
- the renter and the leasing network play a game on the distribution of revenue from the leased spectrum resources.
- the income distribution is settled at the end of each trading period.
- the leased network needs to return the leased spectrum to the rental network.
- the utility function Ui of any rented network i is defined as:
- ⁇ is the bidding vector of the renter, the element in the vector is ⁇ / ⁇ " ⁇ indicates the leased network
- the resources rented from the rental network j account for the proportion of the total resources that can be provided (rented) by the rental network _/ ⁇
- i (l ⁇ i ⁇ m) is the identifier of the rented network; • (1 ⁇ _ / ⁇ w)
- m is the number of leased network; "for the number of leased networks; w y . for the network matching coefficient between the leased network and the rental network _ / ⁇ ; x y .
- the preset utility function is a linear utility function, and satisfies the condition that the game is a strong competition game (the strong competition game always has a Nash equilibrium solution), that is, for any (1 ⁇ _ / ⁇ « ), exists such that > 0, ⁇ 3 ⁇ 4 ⁇ > 0.
- Step 1 Calculate the ratio of w y . to ( + £);
- Step 2 Sort all the rental networks according to the calculated ratio from large to small;
- each network needs to predict the respective traffic load to determine the number of radio resources that need to be rented or leased, and the load prediction may be periodically run according to the transaction period. Will be on a certain network
- the upper limit of the line resource is recorded as B.
- the radio resource required by the network in the next period of prediction is recorded as the number of radio resources required by the network at the following transaction time is
- each rental network can allocate a corresponding radio resource according to the bid of each rented network.
- the embodiment of the present invention further provides a radio resource allocation method, as shown in FIG. 3 .
- the schematic diagram of the implementation process of the method for allocating radio resources includes the following steps:
- step S302 Determine, according to the obtained bid of each rented network, the number of radio resources allocated to each rented network.
- the number of radio resources allocated for each leased network may be determined according to the following formula:
- R t R where: represents the radio resource allocated for the leased network; R represents the number of radio resources to be allocated by any leased network (ie, the number of radio resources to be rented); x represents the bid of the acquired leased network; Represents the sum of the bids of each rented network owner for the assigned wireless resources.
- the embodiment of the present invention provides a dynamic wireless resource allocation method that considers fairness when reaching a Nash equilibrium state.
- the radio resource allocation method has a significant impact on the operator's profit distribution, and the allocation method should be fair and reasonable. Therefore, it is necessary to consider the fairness factor.
- Envy-freeness is the standard for measuring the fairness of resource allocation schemes in the field of economics.
- the fairness of the degree of freedom By adjusting the fairness of the degree of freedom, the fairness of the distribution results can be considered. Every renter may be concerned about other renters, which reflects the distribution of the leased network to other renters.
- the subjective feeling of its resource share, and the degree of freedom gives this subjective feeling an objective expression.
- the result of the allocation is referred to as the distribution result of the absence of ⁇ .
- the degree of freedom reflects the degree to which the renter's share of the resources earned by other networked competitors is compared to the share of the resources earned by other renters.
- the radio resource allocation method provided by the embodiment of the present invention can make the parameter of the degree of freedom reflecting the fairness only slightly smaller than 1, so that the radio resource is relatively fairly distributed.
- the embodiment of the present invention further provides a radio resource bid and distribution device, a base station device, and a radio resource allocation system, and the foregoing apparatus, system, and base station device solve the problem and the above-mentioned radio resource price
- the implementation of the foregoing apparatus, system, and base station apparatus can be referred to the implementation of the foregoing radio resource bid and allocation method, and the repeated description is not repeated.
- a schematic structural diagram of a radio resource bidding apparatus includes: a first determining unit 401, configured to separately determine initial bids for radio resources provided by each rental network, for each The initial bid of the wireless resource provided by a rental network constitutes a bidding vector;
- the obtaining unit 402 is configured to obtain a bidding vector of the radio resources provided by each of the renting network providers for each of the rented networks; and the adjusting unit 403 is configured to adjust the bidding vector according to the preset utility function until the bidding vector of all the rented network providers Achieve the Nash equilibrium state.
- the default utility function can:
- ⁇ is the bidding vector of the renter network.
- the element in the vector is ⁇ / ⁇ « ⁇ , which indicates the proportion of the rented network from the rental network j to the rental network and the total resources that can be provided (rented);
- Leased network identity; _ / is the rental network identifier; the utility function for renting the network; "the number of leased networks;
- w y is the network matching coefficient between the leased network and the leased network j; x y . is the leased network
- the bid of the wireless resource provided by the rental network j indicates the sum of the bids of the rented network ⁇ provided wireless resources, except for the rented network other than the rented network; £ is the preset minimum positive number.
- the adjusting unit 403 may include:
- a sorting subunit for sorting all rental networks in descending order of the ratio obtained by calculating the subunits
- ⁇ is the total amount of funds for renting a network
- the wireless resource bidding device may further include:
- a second determining unit configured to determine that the bidding vectors of all the rented network users reach the Nash equilibrium state when the bidding vectors of all the rented network providers satisfy the following conditions:
- ⁇ , ⁇ ., ⁇ indicates the bidding vector of the renter other than the renter, and W is the number of renters;
- a radio resource allocation apparatus includes: The obtaining unit 501 is configured to obtain, by each of the rented network providers, a bid for the allocated wireless resource when the bid vector provided by all the rented network providers reaches the Nash equilibrium state, and the rented network provider determines the wireless to be allocated by using the wireless resource surrogate device. The bid of the resource;
- the allocating unit 502 is configured to determine, according to the following formula, the number of radio resources allocated for each leased network: *, where: indicates the number of radio resources allocated for the leased network; R indicates that any leased network is to be allocated The wireless resource; x t represents the bid of the obtained rented network i; ; ⁇ represents the sum of the bids of the rented network for the wireless resource.
- the foregoing wireless resource bidding device and the radio resource allocation device may be respectively disposed in the base station device, and the base station device completes the radio resource bid and the radio resource allocation, and the two devices may be set in the same base station device.
- the embodiment of the present invention further provides a radio resource allocation system, including a first base station device and a second base station device, where the first base station device is provided with the radio resource scoring device, and the second device is configured with the radio resource. Distribution device.
- the method and device for allocating radio resources allocates radio resources to each rented network according to the bidding vector of the rented network to reach the bid of the radio resource in the Nash equilibrium state, because in the Nash equilibrium state, each leased network
- the utility of the user is at a relatively high level, thus ensuring the effectiveness of wireless resource utilization.
- the bidding vector of each rented network is within a reasonable range, the avoidance of bidding by some rented network owners is avoided. Allocating more radio resources improves the fairness of resource allocation.
- embodiments of the present application can be provided as a method, system, or computer program product.
- the application can be in the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware.
- the application can be in the form of a computer program product embodied on one or more computer-usable storage interfaces (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer usable program code.
- These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
- the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.
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CN101965043A (zh) * | 2010-10-27 | 2011-02-02 | 北京邮电大学 | 一种基于自适应功率控制的小区间干扰协调方法 |
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