M283339 八·新型說明： 【新型所屬之技術領域】 本創作係有關於一種平面雙極化天線結構，特別是應用於多輸 入多輸出（ΜΙΜΟ)系統的平面雙極化天線結構；主要結構特徵係在一 印刷電路板上設置一偶極天線與一環狀天線，且該偶極天線與環狀 天線相互平行。 【先前技術】M283339 8. New type description: [Technical field to which the new type belongs] This creation relates to a planar dual-polarized antenna structure, especially a planar dual-polarized antenna structure applied to a multiple-input multiple-output (MIMO) system; A dipole antenna and a loop antenna are arranged on a printed circuit board, and the dipole antenna and the loop antenna are parallel to each other. [Prior art]
I 按，多輸入多輸出正交分頻多工（MIM〇 〇FDM)已為無線通 信系統的應用主流。現行應用於多輸入多輸出（mim〇）無線通信系 統天線為平面雙偶極（Double Dipole)天線，參考第一圖，該習用平面 雙偶極（Double Dipole)天線的第一偶極天線1〇丨、第二偶極天線ι〇2 設置於印刷電路板（PCB)103上，且第一、二偶極天線⑻、ι〇2相互 垂直排置成T字型。I press, multiple input multiple output orthogonal frequency division multiplexing (MIM〇〇FDM) has become the mainstream of wireless communication system applications. Currently, the antenna used in a multiple-input multiple-output (mim〇) wireless communication system is a planar double dipole (Double Dipole) antenna. Referring to the first figure, the conventional planar double dipole (Double Dipole) antenna is the first one.丨 The second dipole antenna ι〇2 is disposed on the printed circuit board (PCB) 103, and the first and second dipole antennas ⑻ and ι〇2 are arranged vertically in a T shape with each other.
習用平面雙偶極（Double Dipole)天線雖然可以達到多輸入多輪 ΜΙΜΟ)的通信目的，但其缺點在於： 第一、一偶極天線1〇1、1〇2相互垂直，棑置於印刷電路板 (PCB) lCb ’形成天線的面積約為5⑴鶴以⑴細，面積過大，不 利於天線小型化的訴求。 ⑷在2.45MHz頻帶的增益值（Gain)不佳。參考第二圖為習用平面 雙偶極（Double Dipole)天線在2.45MHz頻帶測得的s參數強度 圖，第一偶極天線101的增益值（Gain)僅為2.4dBi，第二偶極 天線102的增益值（Qain)僅為19犯丨。 【新型内容】 M283339 所欲解決之技術問題： 本創作在於解決習用平面雙偶極（Double Dipole)天線的面積大、不 利於小型化、增益值不佳的缺點，達到天線面積減少、小型化及提高 增益值。 u 解決問題的技術手段： 本創作係一種平面雙極化天線結構，其係於一印刷電路板上 没置一偶極天線與一環狀天線，其中，該偶極天線與環狀天線相 _互平行。 新型之技術手段功效： 本創作一種平面雙極化天線結構，其主要目的功效在於，該 偶極天線與環狀天線相互平行，有效縮減天線所佔面積，達到小 型化天線的功效。 本創作之次一目的功效在於，偶極天線與環狀天線各自輸入 訊號，激發不同極化，達到信號分歧、頻寬加大的效果。 ► 本創作之再一目的功效在於，提高偶極天線與環狀天線的輻 射收發增益值。 $ 【實施方式】 為能詳細揭露本創作之目的、特徵及功效，茲藉由下述較作 之具體實施例，配合所附之圖式，對本創作做一詳細說明如后^ 如第三圖所示，係為本創作實施例之組合結構圖；本創作— 種平面雙極化天線結構，其包含有一偶極天線1 0、一環狀天、線 M283339 及一印刷電路板;其中， 該偶極天線1 〇與環狀天線2〇共同排置於該一印刷電路板3〇 上’且該偶極天線丨〇與環狀天線2〇彼此相互平行。 藉由偶極天線10與環狀天線20彼此平行排置，有效縮減天 線所佔面積，達到小型化天線的功效。 同時，偶極天線10與環狀天線2〇各自輸入訊號，激發不同 極化，達到信號分歧、頻寬加大的效果。 • 參考第四圖本創作實施例的偶極天線10在2.45MHz頻帶測得 的反射損失圖及電壓駐波比圖，其顯示偶極天線1〇的輕射收發增 益值（Gain)提高至4.咖；參考第五圖本創作實施例的環狀天線 2〇在2.45MHz頻帶測得的反射損失圖及電壓駐波比圖，其顯示環 狀天線20的輕射收發增益值（Gain)提高至5·議土。 如上具體實施例說明，本創作平面雙極化天線結構的 貫用功效，並且為_未見之新設計，具有功效 ^已 ^新型之專利法定要件，爰依法具文中請之。為此已 委貝料《，並祈早日賜准翻，至感德便。 、審查 以上已將本新型作一詳細說明，以 較佳實施例而已，當不能限定本 &者，僅為本創作之 請範圍所料圍。即域本創作申 ^白應仍屬本創作專利涵蓋範圍内。 7 M283339 【圖式簡單說明】 第 圖係為習用平面雙偶極（D〇L1ble Dipole)天線的組合結構圖； 第一圖係為習用平面雙偶極(〇〇油丨e Dip〇ie)天線在2·45ΜΗζ頻帶 測得的S參數強度圖； 第二圖係為本創作實施例之組合結構圖； 第四圖係為本創作實施例的偶極天線在2.45MHz頻帶測得的反 射損失圖及電壓駐波比圖；Although the conventional planar double dipole (Double Dipole) antenna can achieve the communication purpose of multiple inputs and multiple rounds, its disadvantages are: The first and first dipole antennas 101 and 102 are perpendicular to each other and are placed on the printed circuit. The area of the PCB (PCB) lCb 'forming the antenna is about 5 mm, and the area is too large, which is not conducive to the miniaturization of the antenna. ⑷ Gain in the 2.45MHz band is not good. Refer to the second figure for the s-parameter strength chart of a conventional planar double dipole antenna at 2.45 MHz. The gain value (Gain) of the first dipole antenna 101 is only 2.4 dBi, and the second dipole antenna 102 The gain value (Qain) is only 19 offenses. [New content] M283339 The technical problem to be solved: This creation is to solve the shortcomings of the conventional planar double dipole (Double Dipole) antenna, which has a large area, is not conducive to miniaturization, and has a poor gain value. It reduces the antenna area, miniaturization, and Increase the gain value. u Technical means to solve the problem: This creation is a planar dual-polarized antenna structure, which is not provided with a dipole antenna and a loop antenna on a printed circuit board. Among them, the dipole antenna is in phase with the loop antenna_ Parallel to each other. Efficacy of new technical means: The main purpose of this plan is to create a planar dual-polarized antenna structure. The dipole antenna and the loop antenna are parallel to each other, effectively reducing the area occupied by the antenna, and achieving the effect of miniaturizing the antenna. The second purpose of this creation is that the dipole antenna and the loop antenna each input signals to stimulate different polarizations to achieve the effect of signal divergence and increased bandwidth. ► Another purpose of this creation is to increase the radiated transmit / receive gain of dipole antennas and loop antennas. $ [Embodiment] In order to reveal the purpose, features and effects of this creation in detail, we will make a detailed description of this creation with the following specific embodiments and the accompanying drawings as follows ^ See the third figure Shown is the combined structure diagram of this creative embodiment; this creative—a planar dual-polarized antenna structure, which includes a dipole antenna 10, a loop antenna, wire M283339, and a printed circuit board; The dipole antenna 10 and the loop antenna 20 are arranged on the printed circuit board 30 ′, and the dipole antenna 10 and the loop antenna 20 are parallel to each other. By arranging the dipole antenna 10 and the loop antenna 20 in parallel with each other, the area occupied by the antenna is effectively reduced, and the effect of miniaturizing the antenna is achieved. At the same time, the dipole antenna 10 and the loop antenna 20 each input signals to excite different polarizations to achieve the effects of signal divergence and increased bandwidth. • Refer to the fourth figure. The reflection loss graph and voltage standing wave ratio graph of the dipole antenna 10 measured in the 2.45 MHz band of this creative embodiment show that the light transmit and receive gain (Gain) of the dipole antenna 10 is increased to 4 Coffee; refer to the fifth figure. The reflection loss graph and voltage standing wave ratio graph of the loop antenna 20 measured in the 2.45 MHz band of the creative embodiment of this creative example show that the light transmitting and receiving gain (Gain) of the loop antenna 20 is improved. To 5. Yitu. As described in the specific embodiment above, the conventional dual-polarization antenna structure of this creative function has been used in the past, and it is a new design that has not been seen. It has the effect. ^ Already ^ A new type of patent legal requirements, please request it according to the law. For this reason, I have been entrusted with "I hope that I can turn it over as soon as possible. Examination The above has described the new model in detail, and it is based on the preferred embodiments. When it is not possible to limit this &, it is only for the scope of this creation. That is, the domain creation application should still be covered by this creation patent. 7 M283339 [Brief description of the diagram] The first diagram is a combined structure diagram of a conventional planar dual dipole (DOL1ble Dipole) antenna; the first diagram is a conventional planar double dipole (〇〇 油 丨 e Dip〇ie) antenna S-parameter intensity chart measured in the 2.45MHz band; the second chart is a combined structure chart of the creative embodiment; the fourth chart is the reflection loss chart of the dipole antenna measured in the 2.45MHz band of the creative embodiment And voltage standing wave ratio chart;
第五圖係為本創作實施例的環狀天線在2·45ΜΗζ頻帶測得的反 射損失圖及電壓駐波比圖。 【主要元件符號說明】 1〇 偶極天線 2〇環狀天線 30印刷電路板(pcb) 1〇1第一偶極天線 102第二偶極天線 103印刷電路板(PCB)The fifth graph is a reflection loss graph and a standing voltage ratio graph of the loop antenna measured in the 2.45 MHz band of the creative example. [Description of Symbols of Main Components] 10 Dipole Antenna 20 Loop Antenna 30 Printed Circuit Board (pcb) 10 First Dipole Antenna 102 Second Dipole Antenna 103 Printed Circuit Board (PCB)