diff --git a/gnss/1.1/default/GnssMeasurement.h b/gnss/1.1/default/GnssMeasurement.h
new file mode 100644
index 0000000..650cb27
--- /dev/null
+++ b/gnss/1.1/default/GnssMeasurement.h
@@ -0,0 +1,42 @@
+#ifndef ANDROID_HARDWARE_GNSS_V1_1_GNSSMEASUREMENT_H
+#define ANDROID_HARDWARE_GNSS_V1_1_GNSSMEASUREMENT_H
+
+#include <android/hardware/gnss/1.1/IGnssMeasurement.h>
+#include <hidl/MQDescriptor.h>
+#include <hidl/Status.h>
+
+namespace android {
+namespace hardware {
+namespace gnss {
+namespace V1_1 {
+namespace implementation {
+
+using ::android::hardware::hidl_array;
+using ::android::hardware::hidl_memory;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::sp;
+
+struct GnssMeasurement : public IGnssMeasurement {
+    // Methods from ::android::hardware::gnss::V1_0::IGnssMeasurement follow.
+    Return<::android::hardware::gnss::V1_0::IGnssMeasurement::GnssMeasurementStatus> setCallback(
+        const sp<::android::hardware::gnss::V1_0::IGnssMeasurementCallback>& callback) override;
+    Return<void> close() override;
+
+    // Methods from ::android::hardware::gnss::V1_1::IGnssMeasurement follow.
+    Return<::android::hardware::gnss::V1_0::IGnssMeasurement::GnssMeasurementStatus>
+    setCallback_1_1(const sp<::android::hardware::gnss::V1_1::IGnssMeasurementCallback>& callback,
+                    bool enableFullTracking) override;
+
+    // Methods from ::android::hidl::base::V1_0::IBase follow.
+};
+
+}  // namespace implementation
+}  // namespace V1_1
+}  // namespace gnss
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_GNSS_V1_1_GNSSMEASUREMENT_H