CN102067471B - Resource management in a wireless communication network - Google Patents
Resource management in a wireless communication network Download PDFInfo
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- CN102067471B CN102067471B CN200880009627.6A CN200880009627A CN102067471B CN 102067471 B CN102067471 B CN 102067471B CN 200880009627 A CN200880009627 A CN 200880009627A CN 102067471 B CN102067471 B CN 102067471B
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- frame
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0079—Formats for control data
- H04L1/008—Formats for control data where the control data relates to payload of a different packet
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A method for advance allocation of one or more resources to a frame for a mobile communication terminal comprises transmitting resource allocation data in advance over several frames to allow for additional diversity in providing a mobile with resource allocation data.
Description
Technical field
The present invention relates to a kind of method that uses aerogram resource, in particular to a kind of for being efficient mobile network and the method for valid wireless allocation of communications resource.
Background technology
In aerogram industry, 1G, 2G and 3G be exactly be used to carry out communication between mobile terminal in cellular communications networks first, second, and third generation communication protocol.
1G represents to be known as the analog telephone system of Advanced Mobile Phone Service (AMPS) telephone system.2G is normally used for representing the Digital Cellular System of current popular, and it comprises CDMAOne, global system for mobile communications (GSM) and time division multiple access (TDMA).2G system is supported more users in the comparable 1G system of close quarters.
The current Digital Cellular System of disposing of 3G ordinary representation.Concept is identical each other for these 3G communication systems, but has significant difference.In wireless communication system, importantly improve the efficiency of transmission for active data transmission.For this reason, the more effective mode of development dataset communication and resource management importantly.
Be called EV-DO or EVDO for short, and be often called the optimization evolution data (Evolution-Data Optimized) of EV or be only that evolution data (Evolution-Data only) is the wireless transmission for the data by wireless signal, be typically the telecommunication standard for broadband the Internet access.Its use comprises that the multiplex technique of CDMA and TDMA is to maximize each user's throughput and the throughput of whole system.
EVDO is designed to support High Data Rate, and disposes with together with the speech business of radio bearer.EVDO is provided to the access of the mobile device with forward direction and reverse link air interface, and this mobile device is designed as IP-based network and operates end to end.Therefore, EVDO can support any application that can operate in network under the restriction of specific bit rate.
The key property of EVDO communication channel is that the forward link from access network (AN) to access terminal (AT) (namely from base station to mobile phone) be time-multiplexed.This means that single mobile phone can use the forward communication channel in specific geographical area (sector) completely in given time slot.Use this technology, can modulate independently each user's time slot.This permission provides the better service with very complicated modulation technique to the user under good radio frequency (RF) condition, and the services with simpler and more redundant signals are provided to the user in severe RF condition.
Forward channel can be divided into multiple time slots (slot), and it is also referred to as frame.Outside telex network, overhead channel is interleaved in stream.This comprises: help mobile phone to find the also pilot channel of identification communication channel, inform when the data that mobile phone is assigned to this mobile phone are scheduled by the media access channels (MAC) of traffic channel transmission, and one or more logic channel (for example control channel) that the mobile phone out of Memory (for example resource allocation data) that appropriate signal post will know in wireless network is provided.
Referring to Figure 1A, for example, put forward former frame for the resource allocation data of frame (superframe (UF)) and specify in MAC head in being with, or in broadcast overhead channel (BOC).Mobile phone uses the data in MAC head, thus the grouping receiving in present frame if it has been decoded, and mobile phone does not just need to monitor BOC.The resource allocation data of transmitting by BOC can be by what add recently, also have no chance decoding early the mobile phone of frame use, or by watchdog logic channel, the mobile phone of the data that will not receive in that frame uses.Need to be carrying the redundancy that provides extra in multiple frames of resource allocation data or channel to increase efficiency and to reduce because lose the error rate of carrying the grouping of resource allocation data and cause.
In addition, in cellular communications networks, current in community the method for Resources allocation be to distribute more resources to the community of the boundary of (cellular zone) in honeycomb area, rather than middle section Nei community, honeycomb area.Internal zone has aerial download combination (over-the-air combined) advantage.That is to say, if mobile radio station in the central community that is arranged in broadcast region (broadcast zone), it most possibly has better broadcast signal strength, because identical signal is all transmitted in all neighbor cells.But the mobile radio station being located in the community at edge of broadcast region does not have this advantage.For the community at ground area edge, the Radio Resource outside allocation is to make same signal more reliable.
The shortcoming of said method is because in the community of regional borderline region designated have there are more resources, the resource allocation information of each community changes.That is to say, all communities in identical area cannot utilize identical BOC.Same, need to be for each community custom configuration MAC head be only to comprise the resource allocation data for this community.We are desirably in all communities of broadcast region and use identical BOC or have the identical resource allocation data being included in MAC head, thereby the signal for BOC & MAC head is identical, and can be combined by aerial download from these signals of different districts.
Summary of the invention
For the object of summarizing, particular aspects of the present invention, advantage and new feature will be described here.Be understandable that according to any one specific embodiment of invention and cannot reach all such advantages.Therefore, the present invention can be by reaching or advantage of optimization or advantage group, but not reach, instruct in this place or the advantageous mode of suggestion is implemented or carries out.
For example, in one embodiment, a kind of mobile communication terminal that is used to distributes one or more resources to comprise to the method for frame in advance: the MAC head in the transmission that is associated with the first grouping of transmitting in frame N-X comprises the resource allocation data for frame N, wherein a MAC head is included in X frame before the grouping transmitted in described frame N and in the first grouping of transmitting, and wherein X is greater than 0.The method can further comprise the resource allocation data for frame N by broadcast overhead channel (BOC) transmission relevant to frame N-Y, and wherein Y is not equal to X.The method can further comprise the extra resource allocation data that is used for frame N by the broadcast overhead channel (BOC) relevant to frame N-Z or the transmission of MAC head, and wherein Z is not equal to Y or Z.
In another embodiment, provide a kind of for the method for the resource of set X being distributed to the first community and the resource in Y is distributed to the second community by set, wherein the first and second communities are all in the first area, but at the geographical neighborhood of difference.The method comprises uses the single frequency internet message coming from the one or more cell transmission the first area to carry out transfer resource distribute data at least one mobile communication terminal in the first area, and the associating of this single frequency internet message identification set X and Y is as the resource of distributing to the one or more communities in the first area; Wherein, in response to receiving the first non-single frequency network notification message, be designated as and distribute to the first community to the resource of the first mobile communication terminal notice in set X in the first community.
Expect, in response to receiving the second non-single frequency network notification message, be designated as and distribute to the second community to the resource of the second mobile communication terminal notice in set Y in the second community.The information of being transmitted by the Resources allocation in the first and second geographical neighborhoods in the first area is identical.
According to another embodiment, provide the system that comprises one or more logical blocks.One or more logical blocks are configured to carry out the function and the operation that are associated with above disclosed method.According to another embodiment, provide a kind of computer program that comprises the computer-usable medium with computer-readable program.In the time carrying out in computer, computer-readable program makes computer carry out the function and the operation that are associated with above disclosed method.
More detailed one or more above disclosed embodiment and certain other alternative scheme are provided referring to accompanying drawing.But the present invention is not limited to disclosed any specific embodiment.
Accompanying drawing explanation
By being appreciated that embodiments of the invention referring to the figure in accompanying drawing, as described below:
Figure 1A-1C represents the example resource allocation scheme according to use MAC head and the BOC of an embodiment.
Fig. 2 is the example logic channel definition according to an embodiment.
According to one or more embodiment, that feature of the present invention, element and the aspect being represented by same tag in different accompanying drawings represents is identical, be equal to or similar feature, element or aspect.
Embodiment
According to an aspect of invention, provide a kind of method that is used to mobile communication terminal to distribute one or more resources.The method be included in be associated with in frame N-X, transmit first grouping and transmission a MAC head comprise the resource allocation data for frame N; Wherein N and X are integers, and X is positive number.The one MAC head can be included in X frame before the grouping transmitted in described frame N and in the first grouping of transmitting.
In one or more embodiments, can for example, by being associated with the BOC transmission of frame N-Y (N-X+1) for the resource allocation data of frame N, wherein Y is not equal to X.Also can transmit the extra resource allocation data for frame N by the BOC or the MAC head that are associated with frame N-Z, wherein Z is not equal to Y or X.
Resource as above is distributed the extra diversity (additional diversity) allowing in the time providing resource allocation data to mobile phone, if therefore mobile phone is because mistake is lost or do not received resource allocation data, mobile phone will have extra chance to fetch resource allocation data by additive method.
For instance, referring to Figure 1B, according to an embodiment, resource allocation data for example can be included in, in the front MAC head of several frames (2 Uf), rather than is included in (for example as shown in Figure 1A) in previous frame.In such mode, if mobile phone does not receive at UF
n-2in (namely current previous frame before frame) transmission be included in the resource allocation data in MAC head, mobile phone has for the second time chance to be received in UF
n-1transmission is included in the identical data in MAC head in (namely current previous frame).
In a particular embodiment, for extra redundancy is provided, resource allocation data also can be included in multiple frames (for example UF
n-2and UF
n-1) during in the BOC that is transmitted, rather than be only transmitted by the BOC being transmitted in single image duration.According to execution mode, the transmission of the resource allocation data by BOC can be combined with resource allocation data included in multiple MAC heads.
Referring to Figure 1B, for example, visible is to be different from Figure 1A, by being associated with UF again
n-1bOC transmission for UF
nresource allocation data, be also associated with UF simultaneously
n-2mAC head in transmit identical resource allocation data.In which, lost the mobile phone of the packet of transmitting in frame compared with morning may by next image duration the tuning BOC of entering fetch resource allocation data.
Referring to Fig. 1 C, as another example, resource allocation data for example can be included in, in the front MAC head of three frames (3 UF), and carrys out repetition identical information by the BOC for example, transmitting before in multiframe (2 UF).In this example, if not receiving, mobile phone is being associated with UF
n-3mAC head in resource allocation data, then mobile phone still can be from UF
n-2or UF
n-1in the BOC of middle transmission, fetch resource allocation data.
Other variation of it should be noted that above-mentioned execution mode can build the additional redundancy in network.That is to say, the resource allocation data relevant with target frame can be included in multiple different combination with the MAC head or BOC that are associated in other frame of target frame transmission in advance.For example, for redundancy is provided, thereby reduce and the relevant error rate of grouping of not transmission, can shift to an earlier date 2,3,4 or n frame provide extra resource allocation data by BOC or at MAC head.
According to another aspect of the present invention, wherein multiple communities are present in cellular network, and than the community of the middle section of the area for broadcast message (zone), more resources are assigned in regional fringe region Zhong community.In this mode, internal zone has obtained the advantage of downloading combination of transmitted aspect in all cell null in area,, if mobile radio station is in the central community that is arranged in broadcast region, because identical signal is all transmitted in all neighbor cells, its most probable has better broadcast signal strength.But the mobile radio station being located in the community at edge of broadcast region does not have this advantage.For the community at ground area edge, the Radio Resource outside allocation is to make same signal more reliable.
Be desirably in all communities of broadcast region and transmit identical resource allocation data in BOC or MAC head, thereby be identical for the signal of BOC & MAC head, and the combination that can be downloaded in the air from these data of different districts.In certain embodiments, the resource allocation information between the community at regional central authorities or edge can be different.
In order to overcome the problems referred to above, according to an embodiment, MAC head and BOC are configured to comprise the resource allocation data for all communities.In one embodiment, which resource the community that has a more under absorbed resource can transmit about uncared-for notice.In optional execution mode, the community with more under absorbed resource can be transmitted the broadcast object being designated as in area and is used to the notice of another object in community the specific resources of distributing.In which, distribute at BOC identical with the quantity of the resource of all communities of specifying in MAC head.That is to say, no matter distribute to the quantity of the resource of each community, all communities are received in the identical resource allocation data in BOC or MAC head.
In one embodiment, for Xiang Yige community provides about the information of resource of distributing to it, by the cell transmission signal of intended target resource, thereby make the receiver in each community know to ignore the resource of not distributing to it, the resource allocation data that is used in these resources is included in BOC or MAC head.In optional embodiment, signal can be sent to mobile phone (for example non-broadcast reception mobile terminal) to use the resource of eliminating.
Referring to Fig. 2, in regional central community (it has less relevant broadcasts resource), can use non-single frequency network (SFN) message, indicate a part of resource not to be configured to or do not support broadcasting multicast service (BCMCS) to mobile phone in that community.Because the main Broadcast Control Channel (PBCCH) of sector may not be configured for the resource after the eliminating of BCMCS, this just can not need extra resource.Can not need extra message for information not to be covered.For the community at the edge regional, such scheme provides the gain of the SFN in BOC, and MAC encapsulation header (capsule header).
In one embodiment, BOC can be utilized to specify the resource in all sons area with different resource distribution and the sector ID being associated with them.Therefore mobile phone can the current sector ID based in its active set learn it is in which area.BOC also can be utilized to specify has the regional resource of all sons that different resource distributes.Non-SFN message can be used to notify its sub regional ID to mobile phone.
In one embodiment, also in can BCMCS logic channel, specify or the advertisement resource that district takes out inwardly, the information of therefore getting rid of also has SFN gain.Same, also can in BCMCS logic channel, advertisement increase the resource to outside area, the information therefore comprising also has SFN gain.
According to execution mode, it is possible that the present invention can adopt hardware implementation example completely, completely implement software example or the form that simultaneously comprises the embodiment of hardware and software element.Implement software example can include, but are not limited to firmware, resident software, microcode etc.
In addition, invention can adopt from providing by the form that is connected the computer-usable medium of used procedure code or the computer program of computer-readable media access with computer or other instruction execution system.In order to facilitate this description, computer-usable medium or computer-readable media can be to comprise arbitrarily, store, communicate by letter, propagate or transmit the device using for and instruction executive system, device or equipment connection.
The data handling system that is suitable for storage and/or program code will comprise that at least one is directly or indirectly coupled to the processor of memory element by system bus.Memory element can be included in local storage, the memory in bulk that procedure code adopts actual the term of execution, and for reduce the term of execution must fetch the number of times of code and the buffer memory of the temporary transient storage of at least some procedure codes is provided from memory in bulk.
Other element can be coupled to system.I/O or I/O arrange (including but not limited to keyboard, display, pointer equipment etc.) can directly or by intervening formula I/O controller be coupled to system.Network adapter (for example modulator-demodulator, cable modem, Ethernet card) also can be coupled to system so that must data handling system can be coupled to other data handling systems or remote printer or memory device by privately owned or open network by intervention formula.
The logic code, program, module, processing, method and the order that should be understood that each element of carrying out each method are only exemplary.According to execution mode, can according to any order or parallel execution these, unless indication in addition in the disclosure.In addition, logic code does not relate to or is limited to specific program language, and it can be included in one or more modules of carrying out on the one or more processors in distributed, non-distributed or multiprocessing environment.
Said method can be used to ic core blade technolgy.Final integrated circuit (IC) chip can be by technique with undressed wafer form (namely having the single wafer of multiple unpackaged chips), and as exposed model, or packing forms distributes.Under latter event, chip is for example installed in, in one single chip encapsulation (having the plastic carrier of the feeler that is attached to mainboard or other higher grade carrier), or is arranged in multi-chip package and (for example has each or whole ceramic monolith of the surperficial interconnector of hiding interconnector).
Under any circumstance, this chip is then integrated into (a) intermediate products with other chip, discrete circuit element and/or other signal handling equipment, a part for for example mainboard, or (b) part for final products.Final products can be any products that comprises integrated circuit (IC) chip, and scope covers from toy and other low-end applications, to the high level computer product with display, keyboard or other input equipment and central processing unit.
Therefore the enforcement the present invention that can revise and replace within the spirit and scope of accessory claim who, is to be understood that.More than explanation is not attempted detailed invention or be restricted to accurate open.Therefore, these of the disclosed embodiments and multiple other adaptation and compound mode fall into scope of the present invention, and claim and the four corner that is equal to thereof have defined scope of the present invention.
Claims (6)
1. distribute in advance the method for one or more resources to frame for mobile communication terminal, described method comprises:
In the MAC head transmitting, comprise the resource allocation data for frame N being associated with the first grouping of transmitting in frame N-X,
To comprise that the described MAC hair for the described resource allocation data of described frame N gives described mobile communication terminal, and
The described resource allocation data for described frame N is sent to extraly described mobile communication terminal by broadcast overhead channel BOC via each frame from frame N-X+1 to frame N-1,
Wherein N and X are integers, and X is greater than 1.
2. method according to claim 1, it further comprises:
The described resource allocation data for described frame N is sent to described mobile communication terminal by broadcast overhead channel BOC by described frame N-X.
3. method according to claim 1, it further comprises:
In the 2nd MAC head transmitting, comprise the described resource allocation data for described frame N being associated with the second grouping of transmitting in frame N-W, and
Give described mobile communication terminal by described the 2nd MAC hair in described frame N-W,
Wherein W>0.
4. method according to claim 3, wherein W=X+1.
5. distribute in advance the system of one or more resources to frame for mobile communication terminal, described system comprises:
For being associated with the first grouping that frame N-X transmits, the one MAC head of transmission comprises the module for the resource allocation data of frame N,
For comprising the module of giving described mobile communication terminal for a described MAC hair of the described resource allocation data of described frame N, and
For will sending to extraly the module of described mobile communication terminal for the described resource allocation data of described frame N via the broadcast overhead channel BOC of each frame from frame N-X+1 to frame N-1,
Wherein N and X are integers, and X is greater than 1.
6. system according to claim 5, it further comprises:
For being associated with the second grouping that frame N-W transmits, the 2nd MAC head of transmission comprises the module for the resource allocation data of frame N, and
For the module of giving described mobile communication terminal by described the 2nd MAC hair of described frame N-W,
Wherein W>0, and W=X+1.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US89686307P | 2007-03-23 | 2007-03-23 | |
| US60/896,863 | 2007-03-23 | ||
| PCT/KR2008/001641 WO2008117965A2 (en) | 2007-03-23 | 2008-03-24 | Resource management in a wireless communication network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102067471A CN102067471A (en) | 2011-05-18 |
| CN102067471B true CN102067471B (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200880009627.6A Expired - Fee Related CN102067471B (en) | 2007-03-23 | 2008-03-24 | Resource management in a wireless communication network |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4977216B2 (en) |
| KR (1) | KR101087115B1 (en) |
| CN (1) | CN102067471B (en) |
| WO (1) | WO2008117965A2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9154260B2 (en) * | 2010-03-26 | 2015-10-06 | Qualcomm Incorporated | Method and apparatus for reliable transmission of control information in a wireless communication network |
| CN108063654B (en) * | 2012-09-18 | 2023-06-16 | 北京禾怡管理咨询有限公司 | Communication method, terminal and transmission point |
Citations (3)
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| CN1554167A (en) * | 2001-09-10 | 2004-12-08 | ����ɭ�绰�ɷ�����˾ | Advance resource allocations for association state transitions for wireless LAN systems |
| CN1757205A (en) * | 2003-03-06 | 2006-04-05 | 艾利森电话股份有限公司 | Method and arrangement for resource allocation in a radio communication system using pilot packets |
| CN1885973A (en) * | 2005-06-21 | 2006-12-27 | 华为技术有限公司 | Method for processing assistant service channel burst |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| ATE258739T1 (en) * | 2001-05-25 | 2004-02-15 | Cit Alcatel | METHOD FOR ALLOCATING TRANSMISSION RESOURCES TO THE UPWARD DIRECTION OF A WIRELESS COMMUNICATIONS NETWORK AND CORRESPONDING RADIO TERMINAL |
| US8018969B2 (en) * | 2004-03-12 | 2011-09-13 | Samsung Electronics Co., Ltd | Method and apparatus for constructing MAP IE using reduced CID in broadband OFDMA systems |
| AU2005241847B2 (en) * | 2004-05-07 | 2008-10-09 | Nokia Technologies Oy | Method for receiving broadcast service using broadcast zone identifier in a mobile communication system |
| KR100810290B1 (en) * | 2004-12-14 | 2008-03-07 | 삼성전자주식회사 | Method and system for allocation data burst in a wireless communication system |
| KR100866210B1 (en) * | 2005-01-03 | 2008-10-30 | 삼성전자주식회사 | Method and system for service provide using same frequency in a wireless communication systems |
| WO2006075870A1 (en) * | 2005-01-11 | 2006-07-20 | Samsung Electronics Co., Ltd. | Method and system for indicating data burst allocation in a wireless communication system |
| KR100966044B1 (en) * | 2005-02-24 | 2010-06-28 | 삼성전자주식회사 | System and method for allocating frequency resource in a multicell communication system |
| US8744465B2 (en) | 2005-06-16 | 2014-06-03 | Qualcomm Incorporated | Resource allocation method in a communication system |
| US7616610B2 (en) * | 2005-10-04 | 2009-11-10 | Motorola, Inc. | Scheduling in wireless communication systems |
-
2008
- 2008-03-24 KR KR1020097020855A patent/KR101087115B1/en not_active IP Right Cessation
- 2008-03-24 JP JP2009554455A patent/JP4977216B2/en not_active Expired - Fee Related
- 2008-03-24 CN CN200880009627.6A patent/CN102067471B/en not_active Expired - Fee Related
- 2008-03-24 WO PCT/KR2008/001641 patent/WO2008117965A2/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1554167A (en) * | 2001-09-10 | 2004-12-08 | ����ɭ�绰�ɷ�����˾ | Advance resource allocations for association state transitions for wireless LAN systems |
| CN1757205A (en) * | 2003-03-06 | 2006-04-05 | 艾利森电话股份有限公司 | Method and arrangement for resource allocation in a radio communication system using pilot packets |
| CN1885973A (en) * | 2005-06-21 | 2006-12-27 | 华为技术有限公司 | Method for processing assistant service channel burst |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008117965A3 (en) | 2011-03-10 |
| JP2010530145A (en) | 2010-09-02 |
| CN102067471A (en) | 2011-05-18 |
| WO2008117965A2 (en) | 2008-10-02 |
| KR101087115B1 (en) | 2011-11-25 |
| KR20090128455A (en) | 2009-12-15 |
| JP4977216B2 (en) | 2012-07-18 |
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