CAJ | 학술논문

基于MR的无线优化方法在无线网络中正逐步推广应用，而其中位置指纹定位算法可应用在2G/3G通信网络的无线优化中。分析比较了几种不同的定位算法优劣性，并就其中位置指纹定位的优化算法作了优化改进，使用余弦距离函数作为与指纹库的匹配算法，兼顾计算量和存储空间2方面，使其具有对传播模型、站间距的依赖度较低、对单次测量的偏差不敏感、定位精度较高等优点。通过现网的数据弱覆盖和邻区优化实践，验证了其有效性。
기우MR적무선우화방법재무선망락중정축보추엄응용，이기중위치지문정위산법가응용재2G/3G통신망락적무선우화중。분석비교료궤충불동적정위산법우렬성，병취기중위치지문정위적우화산법작료우화개진，사용여현거리함수작위여지문고적필배산법，겸고계산량화존저공간2방면，사기구유대전파모형、참간거적의뢰도교저、대단차측량적편차불민감、정위정도교고등우점。통과현망적수거약복개화린구우화실천，험증료기유효성。
Wireless optimization method based on MR is gradual y popularized in communication network, and the location of the finger-print positioning algorithm can be used in wireless optimization of GSM or TD-SCDMA system. It analyzes and compares sev-eral different positioning algorithms and the optimization algorithm of which location fingerprinting positioning method, uses the cosine distance function to value the conformity of fingerprint database. The optimized algorithm considers two aspects of computational and storage advantages. It has a low dependence on the radio propagation model and the distance between sites, and also has the advantages of high location accuracy, which is proved by coverage and handover optimization results on the living network data.