JP5885854B2 - サーチスペース決定 - Google Patents
サーチスペース決定 Download PDFInfo
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- JP5885854B2 JP5885854B2 JP2014539921A JP2014539921A JP5885854B2 JP 5885854 B2 JP5885854 B2 JP 5885854B2 JP 2014539921 A JP2014539921 A JP 2014539921A JP 2014539921 A JP2014539921 A JP 2014539921A JP 5885854 B2 JP5885854 B2 JP 5885854B2
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
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- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Description
方程式3において、
式中、
Λは、複数のアグリゲーションレベルのうちの1つであってもよい。
式中、
Claims (15)
- エンハンスド物理ダウンリンク制御チャネル(E−PDCCH)のサーチスペース候補のセットを、ダウンリンク制御情報(DCI)のアグリゲーションレベルと、隣接するサーチスペース候補間の所定の間隔と、前記E−PDCCHの仮想リソースブロック(VRB)の数とに基づいて決定するとともに、サーチスペース候補の前記セットをDCIの想定し得るベアラとなるように決定し、
サーチスペース候補の前記セットから1つ以上のVRBを選択し、
DCIを選択された前記VRBへとエンコードする、
ように構成されるエンコーダと、
ダウンリンクフレームでのユーザ機器への送信のために前記E−PDCCHの前記VRBを物理リソースブロック(PRB)へマッピングするように構成されるマッパーと、
を備え、
前記エンコーダは、選択された前記VRB間の所定の間隔を前記DCIのアグリゲーションレベルに基づいて決定するように構成され、
前記エンコーダは、
- エンハンスド物理ダウンリンク制御チャネル(E−PDCCH)のサーチスペース候補のセットを、ダウンリンク制御情報(DCI)のアグリゲーションレベルと、隣接するサーチスペース候補間の所定の間隔と、前記E−PDCCHの仮想リソースブロック(VRB)の数とに基づいて決定するとともに、サーチスペース候補の前記セットをDCIの想定し得るベアラとなるように決定し、
サーチスペース候補の前記セットから1つ以上のVRBを選択し、
DCIを選択された前記VRBへとエンコードする、
ように構成されるエンコーダと、
ダウンリンクフレームでのユーザ機器への送信のために前記E−PDCCHの前記VRBを物理リソースブロック(PRB)へマッピングするように構成されるマッパーと、
を備え、
前記エンコーダは、選択された前記VRB間の所定の間隔を前記DCIのアグリゲーションレベルに基づいて決定するように構成され、
前記エンコーダは、
- 前記装置がeNodeBを含む、請求項1または2に記載の装置。
- 前記PRBは、前記E−PDCCHと関連する物理ダウンリンク共有チャネル(PDSCH)からの所定数のリソースブロックを含む、請求項1から3のいずれか1項に記載の装置。
- 前記PDSCHは、第3世代パートナーシッププロジェクト(3GPP)ロングタームエボリューション−アドバンスト(LTE−A)通信規格のリリース10によって規定される、請求項4に記載の装置。
- 選択された前記VRB間の所定の間隔は、前記E−PDCCHの所定数の前記VRB間の選択された前記VRBの均一な分配に基づく、請求項1から5のいずれか1項に記載の装置。
- 前記アグリゲーションレベルは、第1、第2、第3、および第4のDCIアグリゲーションレベルを含む複数のDCIアグリゲーションレベルのうちの1つである、請求項1から6のいずれか1項に記載の装置。
- 前記エンコーダは、前記アグリゲーションレベルΛと関連する隣接する前記サーチスペース候補から1つ以上のVRBを選択するように構成される、請求項1から7のいずれか1項に記載の装置。
- アンテナと、
請求項1〜8のいずれか1項に記載の装置と、
を備える基地局。 - 装置によって実行される方法であって、
エンハンスド物理ダウンリンク制御チャネル(E−PDCCH)のサーチスペース候補のセットを、ダウンリンク制御情報(DCI)のアグリゲーションレベルと、前記E−PDCCHの仮想リソースブロック(VRB)の数と、候補セット識別子とに基づいて決定するとともに、サーチスペース候補の前記セットを前記DCIの想定し得るベアラとなるように決定する段階と、
サーチスペース候補の前記セットから1つ以上のVRBを選択する段階と、
サーチスペース候補の前記セットと関連する所定数の前記VRBのうちの幾つかへDCIをエンコードする段階と、
ダウンリンクフレームでのユーザ機器への送信のために前記E−PDCCHの所定数の前記VRBを物理リソースブロック(PRB)へとマッピングする段階と
を備え、
選択された前記VRB間の所定の間隔を前記DCIのアグリゲーションレベルに基づいて決定する段階と、
前記VRBの数
を含む、
方法。 - 装置によって実行される方法であって、
エンハンスド物理ダウンリンク制御チャネル(E−PDCCH)のサーチスペース候補のセットを、ダウンリンク制御情報(DCI)のアグリゲーションレベルと、前記E−PDCCHの仮想リソースブロック(VRB)の数と、候補セット識別子とに基づいて決定するとともに、サーチスペース候補の前記セットを前記DCIの想定し得るベアラとなるように決定する段階と、
サーチスペース候補の前記セットから1つ以上のVRBを選択する段階と、
サーチスペース候補の前記セットと関連する所定数の前記VRBのうちの幾つかへDCIをエンコードする段階と、
ダウンリンクフレームでのユーザ機器への送信のために前記E−PDCCHの所定数の前記VRBを物理リソースブロック(PRB)へとマッピングする段階と
を備え、
選択された前記VRB間の所定の間隔を前記DCIのアグリゲーションレベルに基づいて決定する段階と、
を含み、式中、Λは前記DCIのアグリゲーションレベルであり、式中、
方法。 - 前記装置がeNodeBを含む、請求項10または11に記載の方法。
- サーチスペース候補の前記セットを決定する段階と、
1つ以上の前記VRBを選択する段階と、
前記DCIをエンコードする段階と
を備える請求項10から12のいずれか1項に記載の方法。 - 所定数の前記VRB間で等しい所定の間隔を伴ってサブセットを分配する段階
を備える請求項10から13のいずれか1項に記載の方法。 - コンピュータに、請求項10から14のいずれか1項に記載の方法を実行させるためのプログラム。
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