TWI462620B - Apparatus and method of allocating bandwidth - Google Patents
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本發明是有關於一種分配頻寬的機制，且特別是有關於一種分配頻寬的裝置及方法。The present invention relates to a mechanism for allocating bandwidth, and more particularly to an apparatus and method for allocating bandwidth.
各種無線通訊產品的出現，使得無線網路的使用需求逐漸普及。由於網路技術的發展，各種需要傳送接收大量資料的行為因應而生，例如使用流媒體(Streaming Media)、收看網路電視(Internet Protocol Television，IPTV)、使用P2P(Peer-To-Peer)、FTP(File Transfer Protocol)、藍芽技術(Bluetooth)等，這些行為必須仰賴足夠的頻寬。The emergence of various wireless communication products has made the use of wireless networks increasingly popular. Due to the development of network technology, various kinds of behaviors that need to transmit and receive a large amount of data are generated, for example, using streaming media (Streaming Media), watching Internet Protocol Television (IPTV), using P2P (Peer-To-Peer), FTP (File Transfer Protocol), Bluetooth technology (Bluetooth), etc., these behaviors must rely on sufficient bandwidth.
習知的無線網路環境是許多站台(Station，STA)同時連接於同一個無線基地台(Access Point，AP)，共享無線基地台的頻寬。其中，站台可為各種無線通訊產品，如行動電話、個人數位助理(PDA)、筆記型電腦、平板電腦等。由於每個站台與無線基地台的距離不相同，距離之遠近會造成頻寬使用不均的問題，通常近端站台享有較多的頻寬，若近端站台傳送大量資料，佔據大量的頻寬，遠端站台便無法享用頻寬，造成使用上的不方便。The conventional wireless network environment is that many stations (Stations) are simultaneously connected to the same wireless base station (Access Point, AP) to share the bandwidth of the wireless base station. Among them, the platform can be a variety of wireless communication products, such as mobile phones, personal digital assistants (PDAs), notebook computers, tablets and so on. Since the distance between each station and the wireless base station is different, the distance between the stations will cause uneven use of the bandwidth. Usually, the near-end station enjoys more bandwidth. If the near-end station transmits a large amount of data, it occupies a large amount of bandwidth. The remote station cannot enjoy the bandwidth, which is inconvenient to use.
因此，與無線基地台距離不同而造成遠端使用者使用頻寬不足成為一種問題。Therefore, the distance from the wireless base station is different, which causes the bandwidth usage of the remote user to be insufficient.
因此，本發明之一態樣是在提供一種分配頻寬的裝置，以解決頻寬分配的問題。分配頻寬的裝置包含無線通訊模組、運算模組以及分配模組。Accordingly, an aspect of the present invention is to provide a device for allocating bandwidth to solve the problem of bandwidth allocation. The device for allocating bandwidth includes a wireless communication module, a computing module, and a distribution module.
無線通訊模組用以連接複數個站台，分別取得各站台之接收訊號強度，並找出這些接收訊號強度中的最小接收訊號強度。運算模組用以計算各個接收訊號強度減最小接收訊號強度，得複數個計算結果，進而自這些站台中選擇其對應之計算結果小於相對接受訊號強度者設定為第一群組，並且自這些站台中選擇其對應之計算結果大於相對接受訊號強度者設定為第二群組。分配模組則用以指派第一頻寬給第一群組，以及指派第二頻寬給第二群組。The wireless communication module is configured to connect a plurality of stations, respectively obtain the received signal strength of each station, and find the minimum received signal strength among the received signal strengths. The computing module is configured to calculate the intensity of each received signal minus the minimum received signal strength, and obtain a plurality of calculation results, and then select the corresponding calculation result from the stations to be less than the relative received signal strength, and set the first group, and from the stations Taichung selects the corresponding calculation result that is greater than the relative acceptance signal strength and sets it to the second group. The distribution module is configured to assign a first bandwidth to the first group and a second bandwidth to the second group.
依據本發明之一實施例，一種分配頻寬的裝置更包含計時模組。計時模組用以設定一間隔時間於指派第一、第二頻寬之後，此間隔時間之後，無線通訊模組會重新取得各連接站台之接收訊號強度，並找出各個接收訊號強度中的最小接收訊號強度。According to an embodiment of the invention, a device for allocating bandwidth further includes a timing module. The timing module is configured to set an interval time after the first and second bandwidths are assigned. After the interval, the wireless communication module regains the received signal strength of each connected station, and finds the minimum of each received signal strength. Receive signal strength.
依據本發明之另一實施例，其中當站台個別發出複數個連線信息時，無線通訊模組將根據連線信息，以取得對應之站台的接收訊號強度。According to another embodiment of the present invention, when the station individually sends a plurality of connection information, the wireless communication module will obtain the received signal strength of the corresponding station according to the connection information.
依據本發明又一實施例，一種分配模組包含第一分配單元。第一分配單元用以依據第一群組包含的站台數量，指派第一頻寬之大小。According to still another embodiment of the present invention, a distribution module includes a first allocation unit. The first allocation unit is configured to assign a size of the first bandwidth according to the number of stations included in the first group.
依據本發明再一實施例，一種分配模組包含第二分配單元。第二分配單元用以依據第二群組包含的站台數量，指派第二頻寬之大小，其中當第一群組包含的站台數量與第二群組包含的站台數量相同時，第一頻寬可大於第二頻寬。According to still another embodiment of the present invention, a distribution module includes a second distribution unit. The second allocation unit is configured to allocate a size of the second bandwidth according to the number of stations included in the second group, where the first bandwidth is the same when the number of stations included in the first group is the same as the number of stations included in the second group Can be greater than the second bandwidth.
本發明之另一態樣是在提供一種分配頻寬的方法，以解決頻寬分配的問題。此分配頻寬的方法首先要連接複數個站台，從這些站台分別取得複數個接收訊號強度，找出各個接收訊號強度中的最小接收訊號強度。然後，計算各接收訊號強度減最小接收訊號強度，得複數個計算結果，比較各計算結果與相對接收訊號強度的關係。接著，自這些站台選擇其對應之計算結果小於相對接受訊號強度者設定為第一群組，指派第一頻寬給第一群組，自這些站台選擇其對應之計算結果大於相對接受訊號強度者設定為第二群組，以及指派第二頻寬給第二群組。Another aspect of the present invention is to provide a method of allocating bandwidth to solve the problem of bandwidth allocation. The method of allocating the bandwidth firstly connects a plurality of stations, and obtains a plurality of received signal strengths from the stations to find the minimum received signal strength among the received signal strengths. Then, each received signal strength is reduced by the minimum received signal strength, and a plurality of calculation results are obtained, and the relationship between each calculation result and the relative received signal strength is compared. Then, from the stations, the corresponding calculation result is less than the relative received signal strength, and the first bandwidth is assigned to the first group, and the corresponding calculation result is selected from the stations to be greater than the relative received signal strength. Set to the second group and assign the second bandwidth to the second group.
依據本發明之一實施例，一種分配頻寬的方法更包含在指派第一、第二頻寬之後設定一間隔時間，在間隔時間後，重新找出接收訊號強度中的最小接收訊號強度。According to an embodiment of the invention, a method for allocating bandwidth further includes setting an interval time after assigning the first and second bandwidths, and re-finding the minimum received signal strength in the received signal strength after the interval time.
依據本發明另一實施例，一種分配頻寬的方法更包含當站台個別發出複數個連線信息時，將根據連線信息以取得對應站台之接收訊號強度。According to another embodiment of the present invention, a method for allocating a bandwidth further includes: when the station individually sends a plurality of connection information, the connection signal strength of the corresponding station is obtained according to the connection information.
依據本發明又一實施例，指派頻寬給第一群組之步驟是指依據第一群組包含的站台數量，指派第一頻寬之大小。According to still another embodiment of the present invention, the step of assigning a bandwidth to the first group means assigning a size of the first bandwidth according to the number of stations included in the first group.
依據本發明再一實施例，指派頻寬給第二群組之步驟是指依據第二群組包含的站台數量，指派第二頻寬之大小，若第一群組包含的站台數量與第二群組包含的站台數量相同時，第一頻寬可大於第二頻寬。According to still another embodiment of the present invention, the step of assigning a bandwidth to the second group means assigning a size of the second bandwidth according to the number of stations included in the second group, and if the number of stations included in the first group is the second When the number of stations included in the group is the same, the first bandwidth may be greater than the second bandwidth.
綜合上述，本發明之分配頻寬的方法及裝置與現有技術相比具有明顯的優點和有益效果。當站台連接分配頻寬的裝置後，依據每一個站台的接收訊號強度計算後，透過與相對接收訊號強度的比較，來區分所屬的群組，並且適性化(Adaptive)的定義各群組中每一個站台的頻寬，來達到頻寬不會被某一些站台強佔。In summary, the method and apparatus for allocating bandwidth of the present invention have significant advantages and advantageous effects over the prior art. When the station is connected to the device for allocating the bandwidth, according to the received signal strength of each station, the group is distinguished by comparing with the strength of the received signal, and each of the groups defined in the adaptive (Adaptive) The bandwidth of a station to reach the bandwidth will not be occupied by some stations.
以下將以實施例對上述之說明以及接下來的實施方式做詳細的描述，並對本發明之技術方案提供更進一步的解釋。The above description and the following embodiments will be described in detail with reference to the embodiments, and further explanation of the technical solutions of the present invention.
為了使本發明之敘述更加詳盡與完備，可參照所附之圖式及以下所述各種實施例，圖式中相同之號碼代表相同或相似之元件。另一方面，眾所週知的元件與步驟並未描述於實施例中，以避免對本發明造成不必要的限制。In order to make the description of the present invention more complete and complete, reference is made to the accompanying drawings and the accompanying drawings. On the other hand, well-known elements and steps are not described in the embodiments to avoid unnecessarily limiting the invention.
請參照第1圖，第1圖是依照本發明一實施例的一種分配頻寬的裝置100的方塊示意圖。分配頻寬的裝置100可適用於無線接入點、無線基地台或各種相關的技術環節。於使用時，分配頻寬的裝置100可供站台無線連接，進而為站台分配頻寬，其中之站台可為各種無線通訊產品，如行動電話、個人數位助理(PDA)、筆記型電腦、平板電腦等。應瞭解到，第1圖之站台的數量僅為例示，並非用以限制本發明，熟習此項技藝者應視實際需要，彈性制定站台的實際數目。Please refer to FIG. 1. FIG. 1 is a block diagram of an apparatus 100 for allocating bandwidth according to an embodiment of the invention. The device 100 for allocating bandwidth can be adapted for use in a wireless access point, a wireless base station, or various related technical aspects. In use, the bandwidth-distributing device 100 can be wirelessly connected to the station to allocate bandwidth to the station. The station can be used for various wireless communication products, such as mobile phones, personal digital assistants (PDAs), notebook computers, and tablet computers. Wait. It should be understood that the number of stations in FIG. 1 is merely an example and is not intended to limit the present invention. Those skilled in the art should flexibly formulate the actual number of stations according to actual needs.
分配頻寬的裝置100包含無線通訊模組110、運算模組120、以及分配模組130。如第1圖所示，運算模組120耦接於無線通訊模組110，分配模組130耦接於運算模組120。The device 100 for allocating bandwidth includes a wireless communication module 110, a computing module 120, and a distribution module 130. As shown in FIG. 1 , the computing module 120 is coupled to the wireless communication module 110 , and the distribution module 130 is coupled to the computing module 120 .
根據本發明之一實施例，站台152、站台162、站台164個別發出連線信息，無線通訊模組110根據連線信息以取得站台152、站台162、站台164之接收訊號強度；站台172、站台174、站台176對分配頻寬的裝置100發出斷線訊息，因此分配頻寬的裝置100不會分配頻寬給站台172、站台174、站台176。According to an embodiment of the present invention, the station 152, the station 162, and the station 164 individually send connection information, and the wireless communication module 110 obtains the received signal strength of the station 152, the station 162, and the station 164 according to the connection information; the station 172 and the platform 174. The station 176 sends a disconnection message to the device 100 that allocates the bandwidth. Therefore, the device 100 that allocates the bandwidth does not allocate the bandwidth to the station 172, the station 174, and the station 176.
分配頻寬的裝置100接著連接於站台152、站台162、站台164，於本實施例中，與分配頻寬的裝置100距離最近者為站台152，其次為站台162，站台164最遠。The device 100 for allocating the bandwidth is then connected to the station 152, the station 162, and the station 164. In the present embodiment, the closest to the device 100 that allocates the bandwidth is the station 152, and the station 162, the station 164 is the farthest.
無線通訊模組110用以自複數個站台152、站台162、站台164分別取得複數個接收訊號強度(Received Signal Strength Indication，RSSI)，並找出接收訊號強度中的一最小接收訊號強度。接收訊號強度可以是一個判斷站台與分配頻寬的裝置的訊號強度指標，站台距離分配頻寬的裝置愈近的接收訊號強度愈強，愈遠則愈弱。The wireless communication module 110 is configured to obtain a plurality of Received Signal Strength Indication (RSSI) from the plurality of stations 152, the station 162, and the station 164, and find a minimum received signal strength in the received signal strength. The received signal strength may be a signal strength indicator for determining the station and the device for allocating the bandwidth. The closer the station is to the device for allocating the bandwidth, the stronger the received signal strength and the weaker the farther.
運算模組120用以計算接收訊號強度減最小接收訊號強度，以得複數個計算結果，進而自站台152、站台162、站台164選擇其對應之計算結果小於相對接受訊號強度者(即，站台162、站台164)設定為第一群組，第一群組即為遠端群組。另一方面，運算模組120自站台152、站台162、站台164選擇其對應之計算結果大於相對接受訊號強度者(即，站台152)設定為第二群組，第二群組為近端群組。The computing module 120 is configured to calculate the received signal strength minus the minimum received signal strength to obtain a plurality of calculation results, and then the station 152, the station 162, and the station 164 select the corresponding calculation result to be less than the relative received signal strength (ie, the station 162). The station 164) is set as the first group, and the first group is the remote group. On the other hand, the computing module 120 selects from the station 152, the station 162, and the station 164 that the corresponding calculation result is greater than the relative received signal strength (ie, the station 152) is set to the second group, and the second group is the near group. group.
於一實施例中，運算模組120可依據各接受訊號強度來作分析以決定相對接受訊號強度的具體數值，因此相對接受訊號強度的數值可依照實際情形作調整。或者，相對接受訊號強度的具體數值可由系統設計者設定之。In an embodiment, the computing module 120 can analyze the received signal strength to determine a specific value of the received signal strength, so the value of the received signal strength can be adjusted according to actual conditions. Alternatively, the specific value of the received signal strength can be set by the system designer.
舉例來說，站台152、站台162、站台164與分配頻寬的裝置100之距離分別約為100公尺、1800公尺、2000公尺。無線通訊模組110取得站台152、站台162、站台164之接收訊號強度分別約為-40dBm、-88dBm、-90dBm，故最小接收訊號強度約為-90dBm。相對接受訊號強度設定為10dBm，由運算模組120將各接收訊號強度減最小接收訊號強度所得之計算結果分別為50dBm、2dBm、0dBm，其中2dBm、0dBm小於10dBm的相對接受訊號強度，故運算模組120選擇站台162及站台164設定為第一群組(遠端群組)，站台152設定為第二群組(近端群組)。For example, the distance between station 152, station 162, station 164 and device 100 that allocates bandwidth is about 100 meters, 1800 meters, and 2000 meters, respectively. The wireless communication module 110 obtains the received signal strengths of the station 152, the station 162, and the station 164 by about -40 dBm, -88 dBm, and -90 dBm, respectively, so the minimum received signal strength is about -90 dBm. The relative received signal strength is set to 10 dBm, and the calculation result obtained by the computing module 120 by reducing the received signal strength by the minimum received signal strength is 50 dBm, 2 dBm, 0 dBm, respectively, wherein 2 dBm and 0 dBm are less than 10 dBm of the relative received signal strength, so the operation mode The group 120 selects the station 162 and the station 164 to be set as the first group (remote group), and the station 152 is set as the second group (near-end group).
接著，分配模組130用以指派第一頻寬給第一群組的站台162、站台164，以及第二頻寬給第二群組的站台152。藉此，裝置100依據每一個站台152、162、164的接收訊號強度計算後，透過與相對接收訊號強度的比較，來區分所屬的群組，並且適性化(Adaptive)的定義各群組中每一個站台的頻寬，來達到頻寬不會被某一站台強佔。Next, the distribution module 130 is configured to assign the first bandwidth to the station 162 of the first group, the station 164, and the second bandwidth to the station 152 of the second group. Therefore, the device 100 calculates the group according to the received signal strength of each of the stations 152, 162, and 164, and compares the strengths of the received signals with each other to distinguish the group to which it belongs, and each of the groups defined by the adaptive (Adaptive) The bandwidth of a station to reach the bandwidth will not be occupied by a certain station.
由本發明之一實施例，分配模組130可更包含第一分配單元132，第一分配單元132會依據第一群組包含的站台數量，來指派第一頻寬之大小。第一頻寬之數值可依據實際使用情況來做調整。舉例來說，第一分配單元132依照下列表1做指派，第一群組包含站台162、站台164總共兩個站台，故第一分配單元132將指派5000Kbps之頻寬給站台162、站台164。According to an embodiment of the present invention, the distribution module 130 may further include a first allocation unit 132, and the first allocation unit 132 may allocate the size of the first bandwidth according to the number of stations included in the first group. The value of the first bandwidth can be adjusted according to the actual use. For example, the first allocating unit 132 performs the assignment according to the following list 1. The first group includes the station 162 and the station 164 for a total of two stations, so the first allocating unit 132 will assign a bandwidth of 5000 Kbps to the station 162 and the station 164.
此外，分配模組130可更包含第二分配單元134，第二分配單元134依據第二群組包含的站台數量，指派第二頻寬之大小。其中，第二頻寬之數值可依據實際使用情況來做調整。舉例來說，第二分配單元134依照下列表2做指派，第二群組包含站台152共一個站台，故站台152將被指派3000Kbps之頻寬。In addition, the distribution module 130 may further include a second allocation unit 134, and the second allocation unit 134 assigns a size of the second bandwidth according to the number of stations included in the second group. Among them, the value of the second bandwidth can be adjusted according to the actual use situation. For example, the second allocation unit 134 performs the assignment according to the following list 2, and the second group includes the station 152 for a total of one station, so the station 152 will be assigned a bandwidth of 3000 Kbps.
另外，當第一群組包含的站台數量與第二群組包含的站台數量相同時，分配模組130指派的第一頻寬可大於第二頻寬。舉例來說，依據上述表1、表2做指派，若兩群組站台數量皆五個，則第一頻寬將為3000Kbps，第二頻寬為2000Kbps。這樣的安排是因為第一群組的接收訊號強度較第二群組弱，可造成資訊傳送的錯誤，必須將資料再次傳送，為解決這樣的問題，故指派第一頻寬大於第二頻寬。In addition, when the number of stations included in the first group is the same as the number of stations included in the second group, the first bandwidth assigned by the distribution module 130 may be greater than the second bandwidth. For example, according to Table 1 and Table 2 above, if the number of stations in both groups is five, the first bandwidth will be 3000 Kbps and the second bandwidth will be 2000 Kbps. This arrangement is because the received signal strength of the first group is weaker than that of the second group, which may cause an error in information transmission, and the data must be transmitted again. To solve such a problem, the first bandwidth is assigned to be larger than the second bandwidth. .
由本發明之一實施例，分配頻寬的裝置100亦可包含計時模組140。計時模組140耦接於分配模組130與無線通訊模組110。在分配模組130指派第一、第二頻寬給第一群組、第二群組之後，計時模組140設定一間隔時間，在間隔時間之後，無線通訊模組110會找出接收訊號強度中的最小接收訊號強度。其中，間隔時間可依需求做選擇、調整。設置計時模組140是因為在間隔時間之內，可能有站台移動位置的狀況，因此必須針對狀況改變而重新指派頻寬。In an embodiment of the invention, the device 100 for allocating bandwidth may also include a timing module 140. The timing module 140 is coupled to the distribution module 130 and the wireless communication module 110. After the distribution module 130 assigns the first and second bandwidths to the first group and the second group, the timing module 140 sets an interval time. After the interval time, the wireless communication module 110 finds the received signal strength. The minimum received signal strength in . Among them, the interval can be selected and adjusted according to the needs. The timing module 140 is set because there may be a situation in which the station moves the position within the interval time, so the bandwidth must be reassigned for the status change.
實作上，上述之無線通訊模組110、運算模組120、分配模組130以及計時模組140的具體實施方式可為軟體程式或硬體電路，熟習此項技藝者應當視當時需要彈性選擇其實施方式，而不需全為軟體程式或全為硬體電路，得部分為軟體程式或部分為硬體電路。In practice, the specific implementation manner of the wireless communication module 110, the computing module 120, the distribution module 130, and the timing module 140 may be a software program or a hardware circuit. Those skilled in the art should select an elastic option at that time. The implementation method does not need to be all software programs or all hardware circuits, and some of them are software programs or partially hardware circuits.
第2圖是繪示依照本發明之一種分配頻寬的方法200的流程圖。分配頻寬的方法200其可適用於分配頻寬的裝置(如：無線接入點、無線基地台)，或是廣泛地運用在相關之技術環節。2 is a flow chart showing a method 200 of allocating bandwidth in accordance with the present invention. The method 200 of allocating bandwidth can be applied to devices that allocate bandwidth (eg, wireless access points, wireless base stations), or widely used in related technical aspects.
應瞭解到，在本實施例中所提及的步驟，除特別敘明其順序者外，均可依實際需要調整其前後順序，甚至可同時或部分同時執行。另外，關於實施方法200的硬體裝置，由於上一實施例已具體揭露，因此不再重複贅述之。It should be understood that the steps mentioned in the embodiment can be adjusted according to actual needs, and can be performed simultaneously or partially simultaneously, unless the order is specifically stated. In addition, as for the hardware device implementing the method 200, since the previous embodiment has been specifically disclosed, the description thereof will not be repeated.
如第2圖所示，於步驟210中，連接複數個站台。於步驟220中，自站台分別取得複數個接收訊號強度，並找出接收訊號強度中的最小接收訊號強度。於步驟230中，計算接收訊號強度減最小接收訊號強度，得複數個計算結果，比較計算結果與相對接收訊號強度的關係，若計算結果小於相對接收訊號強度進行步驟240，若計算結果大於相對接收訊號強度則進行步驟250。於步驟240中，自站台選擇其對應之計算結果小於相對接受訊號強度者設定為第一群組，並指派第一頻寬給第一群組。於步驟250中，自站台選擇其對應之計算結果大於相對接受訊號強度者設定為第二群組，並指派第二頻寬給第二群組。其中，第一群組中各站台之訊號強度相對較小，第二群組中各站台之訊號強度相對較大，因此第一群組為遠端群組，第二群組為近端群組。As shown in FIG. 2, in step 210, a plurality of stations are connected. In step 220, the self-destination station obtains a plurality of received signal strengths respectively, and finds the minimum received signal strength in the received signal strength. In step 230, calculating the received signal strength minus the minimum received signal strength, obtaining a plurality of calculation results, comparing the calculated result with the relative received signal strength, and if the calculation result is less than the relative received signal strength, performing step 240, if the calculation result is greater than the relative reception The signal strength proceeds to step 250. In step 240, the station selects that the corresponding calculation result is less than the relative received signal strength, and sets the first bandwidth to the first group. In step 250, the station selects that the corresponding calculation result is greater than the relative received signal strength and sets the second bandwidth to the second group. The signal strength of each station in the first group is relatively small, and the signal strength of each station in the second group is relatively large, so the first group is a remote group, and the second group is a near-end group. .
於步驟210中，當站台個別發出數個連線信息時，會根據連線信息以取得對應之接收訊號強度，進行分配頻寬；亦有其他站台發出數個斷線訊息，則根據斷線訊息，不需向對應之站台做頻寬的分配。In step 210, when the station individually sends out a plurality of connection information, the connection signal strength is obtained according to the connection information to allocate the bandwidth; and other stations issue a plurality of disconnection messages, according to the disconnection message. There is no need to allocate bandwidth to the corresponding station.
步驟240中，指派第一頻寬給第一群組是依據第一群組包含的站台數量，指派第一頻寬之大小。實務上，第一頻寬之數值可依據實際使用情況來做調整。In step 240, assigning the first bandwidth to the first group is to assign a size of the first bandwidth according to the number of stations included in the first group. In practice, the value of the first bandwidth can be adjusted according to the actual use.
於步驟250中，指派第二頻寬給第二群組是依據第二群組包含的站台數量，指派第二頻寬之大小。第二頻寬之數值可依據實際使用情況來做調整。In step 250, assigning the second bandwidth to the second group is to assign a size of the second bandwidth according to the number of stations included in the second group. The value of the second bandwidth can be adjusted according to the actual use.
另外於步驟240、步驟250中，若第一群組包含的站台數量與第二群組包含的站台數量相同時，第一頻寬大於第二頻寬。這樣的安排是因為第一群組的接收訊號強度較第二群組弱，可造成資訊傳送的錯誤，必須將資料再次傳送，為解決這樣的問題，故指派第一頻寬大於第二頻寬。In addition, in step 240 and step 250, if the number of stations included in the first group is the same as the number of stations included in the second group, the first bandwidth is greater than the second bandwidth. This arrangement is because the received signal strength of the first group is weaker than that of the second group, which may cause an error in information transmission, and the data must be transmitted again. To solve such a problem, the first bandwidth is assigned to be larger than the second bandwidth. .
在本發明之一實施例中，一種分配頻寬的方法200可更包含步驟260。於步驟260中，在指派第一、第二頻寬(步驟240、步驟250)之後設定一間隔時間，在間隔時間後重新執行步驟220，即找出接收訊號強度中的最小接收訊號強度。間隔時間可依需求做選擇、調整，例如設定間隔時間為4小時，則每4小時，會重新執行步驟220。In an embodiment of the invention, a method 200 of allocating bandwidth may further include step 260. In step 260, an interval time is set after the first and second bandwidths are assigned (step 240, step 250), and step 220 is re-executed after the interval time to find the minimum received signal strength in the received signal strength. The interval time can be selected and adjusted according to requirements. For example, if the interval is set to 4 hours, step 220 will be re-executed every 4 hours.
於一實施例中，分配頻寬之方法200實作成一種電腦程式，在執行之前會先初始化，讀取相對接收訊號強度、間隔時間、第一頻寬、第二頻寬等數值，讀取完畢後，才進行步驟210。In an embodiment, the method 200 for allocating bandwidth is implemented as a computer program, which is initialized before being executed, and reads the relative received signal strength, interval time, first bandwidth, second bandwidth, etc., and the reading is completed. After that, step 210 is performed.
綜合上述可知，應用本發明具有下列優點。In summary, the application of the present invention has the following advantages.
1. 依據每一個站台的接收訊號強度計算後，透過與相對接收訊號強度的比較，來區分所屬的群組，並且適性化的定義各群組中每一個站台的頻寬，來達到頻寬不會被某一些站台強佔。1. According to the received signal strength of each station, the group is distinguished from the relative received signal strength, and the bandwidth of each station in each group is defined to achieve the bandwidth. Will be occupied by some platforms.
2.設定間隔時間，藉此若有站台移動，仍能在間隔一段時間以後自動重新調整頻寬大小。2. Set the interval time, so if there is a station move, the bandwidth can be automatically re-adjusted after a period of time.
雖然本發明已以實施方式揭露如上，然其並非用以限定本發明，任何熟習此技藝者，在不脫離本發明之精神和範圍內，當可作各種之更動與潤飾，因此本發明之保護範圍當視後附之申請專利範圍所界定者為準。Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and the present invention can be modified and modified without departing from the spirit and scope of the present invention. The scope is subject to the definition of the scope of the patent application attached.
100．．．裝置100. . . Device
110．．．無線通訊模組110. . . Wireless communication module
120．．．運算模組120. . . Computing module
130．．．分配模組130. . . Distribution module
132．．．第一分配單元132. . . First distribution unit
134．．．第二分配單元134. . . Second distribution unit
140．．．計時模組140. . . Timing module
152．．．站台152. . . Platform
162．．．站台162. . . Platform
164．．．站台164. . . Platform
172．．．站台172. . . Platform
174．．．站台174. . . Platform
176．．．站台176. . . Platform
200．．．方法200. . . method
210～260．．．步驟210~260. . . step
為讓本發明之上述和其他目的、特徵、優點與實施例能更明顯易懂，所附圖式之說明如下：The above and other objects, features, advantages and embodiments of the present invention will become more apparent and understood.
第1圖是依照本發明一實施例的一種分配頻寬的裝置100的方塊示意圖。1 is a block diagram of an apparatus 100 for allocating bandwidth in accordance with an embodiment of the present invention.
第2圖是繪示依照本發明之一種分配頻寬的方法200的流程圖。2 is a flow chart showing a method 200 of allocating bandwidth in accordance with the present invention.
100．．．裝置100. . . Device
110．．．無線通訊模組110. . . Wireless communication module
120．．．運算模組120. . . Computing module
130．．．分配模組130. . . Distribution module
132．．．第一分配單元132. . . First distribution unit
134．．．第二分配單元134. . . Second distribution unit
140．．．計時模組140. . . Timing module
152．．．站台152. . . Platform
162．．．站台162. . . Platform
164．．．站台164. . . Platform
172．．．站台172. . . Platform
174．．．站台174. . . Platform
176．．．站台176. . . Platform
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| CN101998638A (en) * | 2009-08-21 | 2011-03-30 | 中兴通讯股份有限公司 | Method and system for realizing group resource assigning |
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| CN101940019A (en) * | 2008-02-08 | 2011-01-05 | 三菱电机株式会社 | Method for allocating bandwidth from radio frequency spectrum in cellular network including set of cells |
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